BIOMED QUIZ 2
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Questions and Answers

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

True (A)

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

  • Macrophages
  • Fibroblasts (correct)
  • Mast cells
  • Adipocytes

    • The lamina propria of the oral mucosa is made up of which type of connective tissue?

  • Adipose
  • Dense regular
  • Reticular
  • Areolar (correct)

    • 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?

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

    Which of the following are the most prevalent fibres in connective tissue?

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

    Which of the following is a function of the connective tissue?

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

    Which of the following is NOT a loose connective tissue?

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

    Which of the following is NOT a specialised connective tissue?

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

    Which type of cartilage can be found in the articular disc of the temporomandibular joint?

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

    Which type of connective tissue is found in ligaments and tendons?

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

    Which of the following are accessory organs of the digestive system?

    <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?

    <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?

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

    Which of the following statements about digestion ARE correct?

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

    Which of the following statements about the large intestine is INCORRECT?

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

    Which of the following statements about the liver is NOT correct?

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

    Which of the following statements about the salivary glands are true?

    <p>The parotid glands lie below the external acoustic meatus. The duct opens into the hard palate opposite the buccal surface of the second upper premolar. They source 15% of saliva. (B)</p> Signup and view all the answers

    Which of the following statements about the stomach is NOT correct?

    <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?

    <p>Amylase converts starch into maltose (B), Lipase converts lipids into fatty acids and glycerol (C), Protease converts proteins into amino acids (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 reduces 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 secretes 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:

    <p>Antidiuretic hormone (A)</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?

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

    Which of the following statements about hormones is incorrect?

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

    Which of the following statements is incorrect about the function of glucocorticoids?

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

    Which of the following statements is incorrect?

    <p>The production of thymosin increases as we get older (A)</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 have 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>False (B)</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>True (A)</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 stretch and recoil

    <p>True (A)</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 than that of a vein because arteries transport blood at a high pressure

    <p>True (A)</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?

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

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