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Questions and Answers

Bacteria are prokaryotes. What does it mean? (Select one)

  • Have a nucleus
  • They can move
  • Don’t have a nucleus (correct)
  • They are small

Bacteria can move. What is the name of the structure that moves them ? (Select one)

  • Flagellum (correct)
  • Whip
  • Tail
  • Appendage

Examples of oral condition caused by bacteria are (select one or more):

  • Periodontal disease (correct)
  • Caries (correct)
  • Coldsores
  • Thrush

The cell wall of gram negative bacteria produce endotoxins during cell lysis

<p>True (A)</p> Signup and view all the answers

The cell wall of gram negative bacteria produce endotoxins whilst the bacteria is replicating

<p>False (B)</p> Signup and view all the answers

What would you NOT expect to find in cell structure?

<p>Microflora (D)</p> Signup and view all the answers

Which of the following statements about the Golgi apparatus is INCORRECT?

<p>Plays an important part in cell division (D)</p> Signup and view all the answers

Which of the following statements about the nuclear envelope is INCORRECT? (Select one):

<p>The outer layer is covered with cilia (B)</p> Signup and view all the answers

Which of the following statements about the nucleus is INCORRECT?

<p>Is the smallest feature in a cell (C)</p> Signup and view all the answers

Which of the following statements is false? (Select one)

<p>The plasma membrane comprises a single layer (D)</p> Signup and view all the answers

Which of the following statements is INCORRECT? (Select one)

<p>Each daughter nuclei contains 34 chromosomes (A)</p> Signup and view all the answers

Which organelle contains enzymes to digest foreign material? (Select one):

<p>Lysosome (C)</p> Signup and view all the answers

Which organelle is known as the power house of the cell? (select one)

<p>Mitochondrion (D)</p> Signup and view all the answers

Fungal microflora is present throughout the human body

<p>True (A)</p> Signup and view all the answers

The diversity of fungal presence varies from person to person but will remain the same for all sited on an individual

<p>False (B)</p> Signup and view all the answers

The structural forms of fungi are (select one or more)

<p>Mould (C), Yeast (D)</p> Signup and view all the answers

The term commensal microflora refers to the pathogenic nature of micro-organisms to the host

<p>False (B)</p> Signup and view all the answers

The term dimorphic relates to the ability of fungi to: (select one)

<p>Switch between being a yeast and mould (C)</p> Signup and view all the answers

Which of the following statements on fungi are true? (Select one or more)

<p>Fungal mycelium contains an abundance of hyphal elements (A), Fungi are eukaryotic organisms (C), Fungi are oral commensals of approximately 50% of humans (D)</p> Signup and view all the answers

Yeast is unlike bacteria in being (select one or more)

<p>Eukaryotic (A), Unicellular (C)</p> Signup and view all the answers

An example of a virus exhibiting viral latency is (select one)

<p>Herpes zoster (B)</p> Signup and view all the answers

Genetic material of a virus can be (select one or more)

<p>RNA (A), DNA (B)</p> Signup and view all the answers

Penetration occurs by the following (select one or more)

<p>Endocytosis (A), Translocation (C), Fusion (D)</p> Signup and view all the answers

Select the correct order of replication of viruses (select one)

<p>Adsorption, penetration, uncoating, transcription, synthesis of viral components, assembly, release (A)</p> Signup and view all the answers

Viruses are predominantly made out of (select one):

<p>Proteins (D)</p> Signup and view all the answers

Viruses can multiply by asexual and sexual reproduction

<p>False (B)</p> Signup and view all the answers

Why are viruses not classed as living organisms (select one):

<p>All of the above (D)</p> Signup and view all the answers

In order to survive, pathogens require a source of nutrients, protection from harmful elements and (select one):

<p>Colonization of a niche in the host (B)</p> Signup and view all the answers

Some enveloped viruses use antigenic variation which makes it difficult for the immune system to recognise different strains of the virus. Which type of antigenic variation results in a major change in spike proteins due to gene reassortment ? (Select one)

<p>Antigenic shift (B)</p> Signup and view all the answers

Which pathogen type is always a member of the normal microbiota and only causes disease in an immunocompromised host? (Select one)

<p>Opportunistic pathogen (D)</p> Signup and view all the answers

Which type of pathogen is an environmental microbe that is able to cause disease in an otherwise healthy individual? (Select one):

<p>Primary pathogen (C)</p> Signup and view all the answers

Virulence factors can be described as (select one):

<p>All of the above (D)</p> Signup and view all the answers

What kind of virulence factors are proteases, nucleases, phospholipases and glycohydrolases? (Select one):

<p>Exoenzymes (A)</p> Signup and view all the answers

Which of these virulences factors act as adhesins? (Select one):

<p>All of the above (D)</p> Signup and view all the answers

Which of these virulence factors assist in promoting colonization of the host? (Select one):

<p>Adhesins (C)</p> Signup and view all the answers

Which of these virulence factors enable damage to be caused to the host? (Select one):

<p>Toxins and Exoenzymes (A)</p> Signup and view all the answers

Which virulence factor does Porphyromonas Gingivalis use which leads to disregulated immunity in the gingival tissues and breakdown of the structures around the teeth? (Select one):

<p>Fimbrae and Exoenzyme Gingipains (C)</p> Signup and view all the answers

The most abundant organisms on the human body are (select one):

<p>Microbes (A)</p> Signup and view all the answers

What type of medicine kills bacteria? (Select one):

<p>Antibiotics (C)</p> Signup and view all the answers

Connective tissue is made up of water, cells and extracellular matrix

<p>True (A)</p> Signup and view all the answers

Large fixed cells with irregular processes. They secrete non-rigid extracellular matrix, collagen and fibres. Which connective tissue cell is being described? (Select one):

<p>Fibroblasts (A)</p> Signup and view all the answers

The lamina propria of the oral mucosa is made up of which type of connective tissue? (Select one):

<p>Areolar (D)</p> Signup and view all the answers

These fixed connective tissue cells contain granules of heparin and histamine. They play a key role in the inflammatory process of the immune system. Which connective tissue cell is being described? (Select one):

<p>Mast cells (D)</p> Signup and view all the answers

Which of the following are the most prevalent fibres in connective tissue? (Select one):

<p>Collagen (B)</p> Signup and view all the answers

Which of the following is a function of the connective tissue? (Select one):

<p>A, B and C (D)</p> Signup and view all the answers

Which of the following is NOT a loose connective tissue? (Select one):

<p>Elastic (D)</p> Signup and view all the answers

Which of the following is NOT a specialised connective tissue? (Select one):

<p>Adipose (A)</p> Signup and view all the answers

Which type of cartilage can be found in the articular disc of the TMJ? (Select one):

<p>Fibrocartilage (C)</p> Signup and view all the answers

Which type of connective tissue is found in ligaments and tendons? (Select one):

<p>Dense regular (C)</p> Signup and view all the answers

Which of the following are accessory organs of the digestive system? (Select one):

<p>The salivary glands (A), The pancreas (B), The liver (D)</p> Signup and view all the answers

Which of the following form the walls of the digestive tract? (Select one or more):

<p>Adventitia (serosa) (A), Muscle layer (B), Mucosa (D)</p> Signup and view all the answers

Which of the following is NOT an activity of the digestive system? (Select one):

<p>Ablation (D)</p> Signup and view all the answers

Which of the following statements about digestion ARE correct? (Select one or more):

<p>Digestion includes mechanical and chemical breakdown of food (B), The large intestine absorbs vitamin K and certain B vitamins (C), The majority of absorption takes place in the jenunum (D)</p> Signup and view all the answers

Which of the following statements about the large intestine is INCORRECT? (Select one):

<p>White blood cells are made (B)</p> Signup and view all the answers

Which of the following statements about the liver is NOT correct? (Select one)

<p>Glucose is stored by the liver in the form of glucagon (C)</p> Signup and view all the answers

Which of the following statements about the salivary glands are true? (Select one or more):

<p>The submandibular glands lie at the angle of the jaw and open into the floor of the mouth. They source 70% of saliva (B), The sublingual glands lie in front of the submandibular pair and open into the floor of the mouth. They source 5% of saliva (A)</p> Signup and view all the answers

Which of the following statements about the stomach is NOT correct? (Select one)

<p>The pyloric sphincter separates the stomach from the oesophagus (D)</p> Signup and view all the answers

Which of the following statements on enzymes are TRUE? (select one or more):

<p>Amylase converts starch into maltose (A), Protease converts proteins into amino acids (B), Lipase converts lipids into fatty acids and glycerol (D)</p> Signup and view all the answers

In response to adrenaline heart rate and metabolic rate slow down

<p>False (B)</p> Signup and view all the answers

Insulin converts glycogen to glucose for energy

<p>False (B)</p> Signup and view all the answers

Insulin promotes the storage of glucose by increasing conversion of glucose as glycogen

<p>True (A)</p> Signup and view all the answers

Insulin reduced blood glucose levels

<p>True (A)</p> Signup and view all the answers

Insulin regulates blood glucose and other absorbed nutrients

<p>True (A)</p> Signup and view all the answers

Noradrenaline influences the diameter of blood vessels

<p>True (A)</p> Signup and view all the answers

The adrenal medulla secreted 2 hormones adrenaline and noradrenaline

<p>True (A)</p> Signup and view all the answers

The anterior pituitary gland secretes all the following hormones except (select one):

<p>Antidiuretic hormone (B)</p> Signup and view all the answers

The endocrine system comprises a number of glands with ducts

<p>False (B)</p> Signup and view all the answers

The endocrine system is concerned with homeostasis

<p>True (A)</p> Signup and view all the answers

The fight or flight reflex is initiated in response to acute stress

<p>True (A)</p> Signup and view all the answers

The hypothalamus is connected to the pituitary gland via a duct

<p>False (B)</p> Signup and view all the answers

The pituitary and hypothalamus regulate the activity of most other endocrine glands

<p>True (A)</p> Signup and view all the answers

The pituitary gland and hypothalamus work together as a unit

<p>True (A)</p> Signup and view all the answers

Together the hypothalamus and pituitary gland work a system called Negative Feedback Regulation

<p>True (A)</p> Signup and view all the answers

Which of the following hormones is not secreted by the thyroid gland? (Select one):

<p>Cortisone (A)</p> Signup and view all the answers

Which of the following statements about hormones is incorrect? (Select one)

<p>Hormones are transported to their target tissue via lymph (A)</p> Signup and view all the answers

Which of the following statements is incorrect about the function of glucocorticoids? (Select one):

<p>Glucocorticoids are not essential for life (D)</p> Signup and view all the answers

Which of the following statements is incorrect? (Select one)

<p>The production of thymosin in increases as we get older (B)</p> Signup and view all the answers

Atrial systole accounts for most of ventricular filling

<p>False (B)</p> Signup and view all the answers

Cardiac muscle fibres are uninucleate, striated, branched and contain intercalated discs

<p>True (A)</p> Signup and view all the answers

Cardiac muscle fibres are multinucleate, have an irregular arrangement of actin and myosin and are long and cylindrical

<p>False (B)</p> Signup and view all the answers

In the foetal circulation blood by-passes the lungs and passes from the right atrium to the left atrium via the foramen ovale

<p>True (A)</p> Signup and view all the answers

In this blood pressure reading 120/80mmHg, 80 represents the systolic blood pressure

<p>False (B)</p> Signup and view all the answers

The circulatory system does not include the pulmonary circulation

<p>False (B)</p> Signup and view all the answers

The circulatory system transports nutrients, oxygen and hormones to the cells of the body

<p>True (A)</p> Signup and view all the answers

The elastic layer in arteries allows them to

<p>Stretch and recoil (B)</p> Signup and view all the answers

The inferior vena cava drains the upper half and limbs of the body

<p>False (B)</p> Signup and view all the answers

The pulmonary vein returns oxygenated type of blood to the heart

<p>True (A)</p> Signup and view all the answers

The wall of an artery is thicker that that of a vein because arteries (select one):

<p>Transport blood at higher pressure (B)</p> Signup and view all the answers

Venous return to the heart is assisted by the skeletal muscle and respiratory pumps

<p>True (A)</p> Signup and view all the answers

Which valves would be open during ventricular systole? (Select one)

<p>Aortic and pulmonary (B)</p> Signup and view all the answers

Lymph is circulated by (select one or more):

<p>Contraction of adjacent muscles and the pulsation of large arteries (B), Changes in thoracic pressure (D)</p> Signup and view all the answers

Lymphatic capillaries are (select one)

<p>Blind ended (A)</p> Signup and view all the answers

Lymphatic contains lymph nodes located at certain intervals along their course

<p>True (A)</p> Signup and view all the answers

Lymphatic have thinner walls than large veins

<p>True (A)</p> Signup and view all the answers

Mucosa-associated lymphoid tissue are associated with the (select one or more):

<p>Respiratory tract (C), Gastrointestinal tract (D)</p> Signup and view all the answers

What happens in the lymph nodes as lymph flows through them (select one or more)

<p>Reticular fibres filter debris (A), Plasma and mature T-cells are added (C), Foreign substances are destroyed (D)</p> Signup and view all the answers

Which best describes a lymph node (select one)

<p>A capsule in the lymph vessel that is filled with B cells and T cells (A)</p> Signup and view all the answers

Which of the following is NOT a function of the lymphatic system (select one):

<p>Filtering metabolic waste (B)</p> Signup and view all the answers

Which of the following is NOT part of the lymphatic system (select one):

<p>Liver (A)</p> Signup and view all the answers

A nerve impulse running TO the brain and CNS is known as

<p>Afferent</p> Signup and view all the answers

A nerve impulse running FROM the brain and CNS is known as

<p>Efferent</p> Signup and view all the answers

How long is the spinal cord? (Select one)

<p>45 cm (D)</p> Signup and view all the answers

How many pairs of cranial nerves are there? (Select one)

<p>12 (B)</p> Signup and view all the answers

What are the key features of neurones? (Select one or more)

<p>Dendrites (A), Axon (C), Schwann cells (D)</p> Signup and view all the answers

What is the largest part of the brain called? (Select one)

<p>Cerebrum (D)</p> Signup and view all the answers

Which of the following are properties of neurones? (Select one or more)

<p>Irritability (C), Conductivity (D)</p> Signup and view all the answers

Aldosterone increases the reabsorption of sodium

<p>True (A)</p> Signup and view all the answers

Antidiuretic hormone decreases water reabsorption

<p>False (B)</p> Signup and view all the answers

Calcitonin lowers blood calcium

<p>True (A)</p> Signup and view all the answers

Parathormone raises blood calcium

<p>True (A)</p> Signup and view all the answers

The kidney contains 1-2 thousand nephrons

<p>False (B)</p> Signup and view all the answers

The urinary system is one of the excretory systems of the body

<p>True (A)</p> Signup and view all the answers

What does not take place in the glomerulus capsule as blood flows through it? (Select one)

<p>Foreign substances are destroyed (A)</p> Signup and view all the answers

Which of the following does glomerular filtrate NOT include? (Select one):

<p>Blood cells (A)</p> Signup and view all the answers

Which of the following is not a function of the kidneys (select one):

<p>Production of white blood cells (D)</p> Signup and view all the answers

Which of the following is NOT a part of the urinary system? (Select one):

<p>Adrenal gland (B)</p> Signup and view all the answers

Which of the following is not correct when describing a nephron? (Select one)

<p>The capsule walls are lined with ciliated epithelium (D)</p> Signup and view all the answers

Which of the following processes is NOT involved in the formation of urine (select one)

<p>Chemical digestion (A)</p> Signup and view all the answers

What are the anatomical feature papillae and where are they found?

<p>On the tongue: filiform, foliage, circumvallate, fungiform</p> Signup and view all the answers

The tragus in the ear plays a part in directing the sounds into the inner ear

<p>True (A)</p> Signup and view all the answers

The Oflactory Receptors are located in the nasal cavity embedded in the olfactory bone

<p>False (B)</p> Signup and view all the answers

What are the cilia in the nasal cavity? Select one

<p>Small nasal hairs within the nose (A)</p> Signup and view all the answers

What cranial nerve supplies the ear? (Select one):

<p>Auditory nerve (A)</p> Signup and view all the answers

What function does the pupil play in the eye? (Select one)

<p>Controls the amount of light into the eye (A)</p> Signup and view all the answers

What is the importance of having tears? (Select one)

<p>Prevents dryness of eyes/protection of external irritants/foreign bodies are washed away by tears/oxygen and nutrients are transported to the surface cells (C)</p> Signup and view all the answers

Where are the bitter taste receptors found? (Select one)

<p>The back of the tongue (A)</p> Signup and view all the answers

What 5 taste receptors are present in the mouth?

<p>Salt sour salty butter umami</p> Signup and view all the answers

What are the four layers of the skin?

<p>Subcutaneous Hypodermis Derma Epidermis</p> Signup and view all the answers

Where are the Olfactory Receptors located?

<p>In the nasal cavity embedded in the olfactory epithelium</p> Signup and view all the answers

Branchial arches (select one)

<p>Each have their own nerve supply (D)</p> Signup and view all the answers

Derivates of the ectoderm include (select one or more)

<p>Enamel (B), Skin (C)</p> Signup and view all the answers

During embryology the blastocyst (select one):

<p>Is a fluid ball of cells that forms after formation of the morula (C)</p> Signup and view all the answers

Neural crest cells give rise to (select one):

<p>Ectomesenchyme and connective tissue in the head (D)</p> Signup and view all the answers

Select the correct answer regarding the development of the tongue (select one):

<p>The tongue is innervated by the glossopharyngeal nerve and the trigeminal nerve (B)</p> Signup and view all the answers

This branchial arch does not give rise to any structures (select one):

<p>V (D)</p> Signup and view all the answers

The branchial arches innervated by the glossopharyngeal nerve (cranial nerve IX) are (select one):

<p>III (A)</p> Signup and view all the answers

The derivates of these branchial arches are innervated by the trigeminal nerve (cranial nerve V) (select one):

<p>I (C)</p> Signup and view all the answers

The development of the face begins in (select one):

<p>Week 4 (A)</p> Signup and view all the answers

The development of the secondary palate (select one):

<p>Creates the barrier between the oral and nasal cavities (D)</p> Signup and view all the answers

The face begins to form from which processes (select one):

<p>Frontonasal (D)</p> Signup and view all the answers

The muscular derivates of these branchial arches are the muscles of facial expression (select one):

<p>II (A)</p> Signup and view all the answers

The philtrum forms (select one):

<p>From fusion of the maxillary and medial nasal processes (B)</p> Signup and view all the answers

The three layers of the embryonic trilaminar disc are (select one):

<p>Ectoderm, mesoderm and endoderm (D)</p> Signup and view all the answers

Which branchial arches give rise to the mandible (select one):

<p>I (A)</p> Signup and view all the answers

Which branchial arches give rose to the palatine tonsils (select one):

<p>None of the above (D)</p> Signup and view all the answers

Cleft palate is a developmental anomalies that results from (select one):

<p>The failure of the fusion of the palatine shelves together and the nasal septum (D)</p> Signup and view all the answers

During childhood development, at age 4, environmental factors such as too much fluoride, can disrupt the amelogenesis process for permanent teeth.

<p>True (A)</p> Signup and view all the answers

Ameloblasts form conical projection called Tomes Processes during which of the following stages of amelogenesis (select one):

<p>Secretory (A)</p> Signup and view all the answers

Differentiation of ameloblasts from pre-ameloblasts takes place in which of the following stages of tooth development (select one)

<p>Bell stage (C)</p> Signup and view all the answers

Enamel, gingiva and the skin are direct derivatives of the ectoderm.

<p>True (A)</p> Signup and view all the answers

During amelogenesis which cellular layer of the enamel organ collapses to allow for space for the ameloblasts (select one):

<p>Stellate reticulum (A)</p> Signup and view all the answers

During fetal development, amelogenesis for all primary teeth is completed before birth.

<p>True (A)</p> Signup and view all the answers

During odontogenesis, the dental sac gives rise to: (select one)

<p>The supporting structures of the teeth (A)</p> Signup and view all the answers

Cleft palate develops when there is a failure of fusion of which structure? (Select one)

<p>The palatine shelves together and the nasal septum (B)</p> Signup and view all the answers

Odontogenesis starts with the following cellular layers at its initiation stage (select one):

<p>Ectomesenchyme and oral epithelium (D)</p> Signup and view all the answers

Select the single best answer: (select one)

<p>The Stellate reticulum plays a key role in amelogenesis by providing nutrients to the ameloblasts (D)</p> Signup and view all the answers

Select the single best answer (select one):

<p>All oral tissues originate from the ectoderm and ectomesenchyme (neural crest cells) (B)</p> Signup and view all the answers

The 2 stages of amelogenesis and dentinogenesis can be described as (select one):

<p>All of the above (C)</p> Signup and view all the answers

The origin of the dento-gingival junction is the (select one):

<p>Reduced enamel epithelium (B)</p> Signup and view all the answers

The lifecycle of the ameloblast is (select one):

<p>Limited to the time the tooth erupts (B)</p> Signup and view all the answers

The long junctional epithelium originates from: (select one)

<p>Ectoderm - oral epithelium - outer enamel epithelium (B)</p> Signup and view all the answers

The morphology of the tooth crown starts to be determined at which stage of development (select one):

<p>Early bell stage (D)</p> Signup and view all the answers

The prevalence of cleft lip and palate in the UK is approximately 1 in 700 births

<p>True (A)</p> Signup and view all the answers

The lifecycle of the odontoblast (select one):

<p>Continues throughout the life of the tooth (D)</p> Signup and view all the answers

Which branchial arches do the facial muscles derive from? (Select one)

<p>II (C)</p> Signup and view all the answers

Which branchial arches do the muscles of mastication derive from? (Select one)

<p>I (D)</p> Signup and view all the answers

Which cellular layer of the enamel organ shrinks during amelogenesis to allow for space for the ameloblasts? (Select one)

<p>Stellate reticulum (C)</p> Signup and view all the answers

Which statement best describes the development of the secondary palate? (Select one)

<p>It creates the barrier between the oral and nasal cavities (B)</p> Signup and view all the answers

Which two cellular layers are present at the dental lamina stage of tooth development (select one)

<p>Oral epithelium and ectomesenchyme (C)</p> Signup and view all the answers

Which branchial arches does the trigeminal nerve derive from? (Select one)

<p>I (C)</p> Signup and view all the answers

Which stage of tooth development is the morphology of the tooth of the tooth crown determined? (Select one):

<p>Bell stage (D)</p> Signup and view all the answers

List the four types of hypersensitivity (select one or more)

<p>Type I - anaphylaxis (A), Type II - antibody mediated hypersensitivity (B), Type III - immune complex mediated hypersensitivity (C), Type IV - delayed (cell-mediated) hypersensitivity (D)</p> Signup and view all the answers

What type of hypersensitivity is penicillin allergy an example of? (Select one)

<p>Type I - anaphylaxis (B)</p> Signup and view all the answers

The dental nurse you work with eventually develops sore cracked skin on her hands after wearing gloves in the dental surgery . What type of hypersensitivity is this? (Select one):

<p>Type IV - delayed (cell-mediated) hypersensitivity (A)</p> Signup and view all the answers

Which of these is an autoimmune disease? (Select one or more):

<p>Psoriasis (A), Rheumatoid arthritis (D)</p> Signup and view all the answers

What happens to the immune system in autoimmune disease (pick the best answer)?

<p>Antibodies from the immune system mistakenly attack the body’s tissues (D)</p> Signup and view all the answers

Autoimmune diseases strike which group most often? (Select one)

<p>Women of childbearing age (B)</p> Signup and view all the answers

Which of these autoimmune diseases is NOT treated with immunosuppressants? (Select one)

<p>Type I diabetes (C)</p> Signup and view all the answers

The skin, joints and kidney can be affected by autoimmune diseases

<p>True (A)</p> Signup and view all the answers

Tissue that covers a body surface and lines a body cavity, forms parts of most glands is known as what?

<p>Epithelial cells</p> Signup and view all the answers

What three features are used to classify epithelia?

<p>All of the above (D)</p> Signup and view all the answers

What shapes of epithelial cells are found on the surface of epithelia?

<p>All of the above (D)</p> Signup and view all the answers

Increase the apical surface area in cells - absorption (eg intestinal cells)?

<p>Microvilli</p> Signup and view all the answers

Longer than microvilli, sweeping motions - movement of substance (e.g. cells lining the upper respiratory tract moves mucus upwards in the respiratory tract)?

<p>Cilia</p> Signup and view all the answers

Layers of the intermediate filament protein keratin, protection from abrasion and water loss (skin)?

<p>Keratin</p> Signup and view all the answers

Secretion - secrete mucus onto the apical surface (eg. Digestive tract and glands)?

<p>Goblet cells</p> Signup and view all the answers

What are the two specialized forms of epithelia? (select one or more)

<p>Transitional (A), Olfactory (C)</p> Signup and view all the answers

What separates an epithelium from the underlying connective tissue? (select one)

<p>Basement membrane</p> Signup and view all the answers

In observing epithelial cells under a miscroscope, the cells are arranged in a single layer and look tall and narrow, and the nucleus is located close to the basal side of the cell. The specimen is what type of epithelial tissue?

<p>Columnar (A)</p> Signup and view all the answers

Which of the following is the epithelial tissue that lines the interior of blood vessels? (Select one)

<p>Pseudostratified (B)</p> Signup and view all the answers

Which type of epithelial tissue specializes in moving particles across its surface and is found in airways and lining of the oviduct? (Select one)

<p>Pseudostratified ciliated columnar (D)</p> Signup and view all the answers

What are the 6 functions of epithelium? (Select one)

<p>All of the above (D)</p> Signup and view all the answers

What are the 5 characteristics of epithelium (select one or more)

<p>Cellularity, polarity (A), Supportive by connective tissue, avascular (B), Regenerative (C)</p> Signup and view all the answers

What epithelium lines the Oral Cavity?

<p>Stratified squamous epithelium</p> Signup and view all the answers

What epithelium covers the hard palate and the tongue and the external surface of the gingiva?

<p>Keratinised stratified squamous epithelium</p> Signup and view all the answers

What epithelium is found within salivary glands?

<p>Pseudostratified cuboidal, simple cuboidal, stratified cuboidal</p> Signup and view all the answers

What membrane is found inside the oral cavity and where is its lubricant formed?

<p>Mucous membrane - lubricant is formed in mucous glands, produced from the epithelial exocrine glands</p> Signup and view all the answers

What is meant by the term Osteomyelitis? (Select one)

<p>A chronic infection of the bone (A)</p> Signup and view all the answers

What is an osteoblast?

<p>Are bone forming cells (C)</p> Signup and view all the answers

How many red blood cells are produced int he bone marrow every second? (Select one)

<p>2 million (B)</p> Signup and view all the answers

Which of the following statements is correct? (Select one)

<p>It is importantly to know about bone as it is a diagnostic tool (C)</p> Signup and view all the answers

Which of the following is not a function of bone? (Select one)

<p>Contains a myofibril (D)</p> Signup and view all the answers

Which type of cartilage would be found at the TMJ? (Select one)

<p>Fibrous (C)</p> Signup and view all the answers

In adulthood, how many bones should we have? (Select one)

<p>206-213 (C)</p> Signup and view all the answers

Which term is not a part of bone development? (Select one)

<p>Extracellular ossification (A)</p> Signup and view all the answers

Elastic cartilage can be found in? (Select one0:

<p>Pinna of the ear (A)</p> Signup and view all the answers

Which of the following is a flat bone? (Select one)

<p>Parietal bone (A)</p> Signup and view all the answers

Which of the following is not a type of bone? (Select one)

<p>Thin (B)</p> Signup and view all the answers

What do the letters ATP stands for? (Select one)

<p>Adenosine triphosphate (C)</p> Signup and view all the answers

In health what is the normal temperature range? (Select one)

<p>35.8-36.9 (C)</p> Signup and view all the answers

How many times a muscle can be stretched without rupturing? (Select one)

<p>3 times (A)</p> Signup and view all the answers

The ability for a muscle to be stretched (select one)

<p>Extensibility (B)</p> Signup and view all the answers

Ability of a muscle to forcefully shorten

<p>Contractility (A)</p> Signup and view all the answers

Muscle: The ability to respond to a stimulus (select one)

<p>Extensibility (B)</p> Signup and view all the answers

The ability for the muscle to recoil or bounce back to its original length after being stretched? (Select one)

<p>Elasticity (D)</p> Signup and view all the answers

The most abundant organisms on the human body are (select one)

<p>Microbes (C)</p> Signup and view all the answers

Which of the following is not a function of the liver? (Select one)

<p>Produces haemoglobin (D)</p> Signup and view all the answers

Haemochromatosis can cause liver damage:

<p>True (A)</p> Signup and view all the answers

Hepatitis A can be transmitted via the faecal-oral route

<p>True (A)</p> Signup and view all the answers

Hepatitis B is not detectable in saliva

<p>False (B)</p> Signup and view all the answers

The approximate percentage of people who go onto become chronic Hepatitis carrier is (select one)

<p>5 % (C)</p> Signup and view all the answers

At what time intervals is the Hepatitis B vaccine administrated? (Select one)

<p>0, 1 and 6 months (A)</p> Signup and view all the answers

Which of the following is not normally a sign or symptom of Liver Cirrhosis? (Select one):

<p>Testicular enlargement (B)</p> Signup and view all the answers

Which of the following statement is incorrect in relation to the management of patients with liver disease? (Select one)

<p>Avoid dental treatment until one moth after a liver transplant (B)</p> Signup and view all the answers

The liver can repair itself and regenerate from as little as 25%

<p>True (A)</p> Signup and view all the answers

Sialosis can be seen in patient suffering from Liver Cirrhosis

<p>True (A)</p> Signup and view all the answers

Flashcards

Prokaryote Characteristics?

Prokaryotes lack a nucleus, meaning their genetic material is not enclosed within a membrane-bound organelle.

Bacterial Movement Structure

A whip-like appendage that enables bacteria to move.

Periodontal Disease

An inflammatory disease affecting the soft and hard structures that support the teeth.

Gram-Negative Bacteria Endotoxins

A component of the cell wall of Gram-negative bacteria that is released upon cell lysis (disintegration).

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Golgi Apparatus Function

A cellular structure found in eukaryotic cells, it modifies, sorts, and packages proteins and lipids.

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Nuclear Envelope

A double membrane surrounding the nucleus in eukaryotic cells.

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Nucleus Function

The control center of the cell, containing the cell's genetic material.

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Plasma Membrane

The outer boundary of a cell, composed of a lipid bilayer with embedded proteins.

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