Biology Study Notes - ABEKA Test 4
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Questions and Answers

What disease of the spinal cord is caused by a virus that destroys motor neurons?

Poliomyelitis

What are the four front teeth on each jaw that cut food?

Incisors

What type of nutrient are starches and sugars?

Carbohydrates

Which of the following (ileum, jejunum, duodenum, rectum) is NOT a division of the small intestine?

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

What are neurons that relay messages between other neurons?

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

What is the long fiber of a neuron that transmits signals from other nerve cells?

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

What are the fibers of a neuron that carry information toward the cell body?

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

What acid does the stomach produce to kill bacteria and help soften foods?

<p>Hydrochloric acid</p> Signup and view all the answers

What is another name for the digestive tract?

<p>Alimentary canal</p> Signup and view all the answers

What are the rhythmic waves of muscular contractions that move food through the digestive system?

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

What is the hollow area of a tooth that contains nerves and blood vessels?

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

What division of the nervous system includes the cranial and spine nerves?

<p>Peripheral nervous system</p> Signup and view all the answers

Which of the following (vitamin A, C, K, D) is a water-soluble vitamin?

<p>Vitamin C</p> Signup and view all the answers

What is the lowest part of the brain stem which controls breathing and heartbeat?

<p>Medulla oblongata</p> Signup and view all the answers

What are fats that are liquid at room temperature?

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

What is the process that breaks a droplet of fat into smaller droplets?

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

What are the protective layers of tissue that surround the brain and spinal cord?

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

What is the defective vision caused by an asymmetrically curved cornea?

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

What part of the brain that functions primarily to coordinate skeletal muscle activity?

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

What part of the brain that is primarily responsible for thought, memory, voluntary actions, thinking, and intelligence?

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

What is the primary organ of digestion and absorption?

<p>Small intestine</p> Signup and view all the answers

What is a serious injury of the nervous system caused by an internal blockage or rupture of a blood vessel in the brain?

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

What are the sensory structures within the ear that contribute to balance?

<p>Semicircular canals</p> Signup and view all the answers

What is the technical name for cavities?

<p>Dental caries</p> Signup and view all the answers

What is the snail-shaped structure of the inner ear that senses sound vibrations and generates nerve impulses?

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

What are neurons that carry information from the brain and spinal cord to the body parts

<p>Motor neurons</p> Signup and view all the answers

What is any junction that allows an impulse to be transmitted from a nerve cell to another cell?

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

What is the simplest type of nervy pathway involved in quick, automatic responses to stimuli?

<p>Reflex arc</p> Signup and view all the answers

What are the tiny projections of the wall of the small intestine that help it absorb food?

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

What is the small flap of cartilage that keeps food out of the windpipe?

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

What is the region of the light-sensitive layer of the eye that produces the clearest vision?

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

What structure produces tears?

<p>Lacrimal gland</p> Signup and view all the answers

What is the transparent front portion of the eye?

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

What is the inner layer of the eye that detects light and produces nerve impulses?

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

What cell type is responsible for color vision?

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

What is the tough, white, outer layer of the eyeball?

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

An open sore in the lining of the digestive tract is an ULCER.

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

Myelin-covered nerve fibers form the GREY matter.

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

Bile is stored in the gallbladder but produced by the LIVER.

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

The tube that connects the pharynx to the stomach is the PYLORIC DUCT.

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

The rectum is a division of the small intestine.

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

What type of fats are typically liquid at room temperature?

<p>Unsaturated fats</p> Signup and view all the answers

The protective layers of tissue that surround the brain and spinal cord are called __________.

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

Match the following parts of the eye with their functions:

<p>Cornea = Transparent front portion Lens = Focuses light onto the retina Retina = Detects light Iris = Controls pupil size</p> Signup and view all the answers

Myelin-covered nerve fibers are responsible for forming white matter.

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

What is the name of the process that breaks a droplet of fat into smaller droplets?

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

A serious injury of the nervous system caused by a blood vessel blockage in the brain is called a __________.

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

What are the tiny projections of the wall of the small intestine that help it absorb food called?

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

Which structure is primarily responsible for thought, memory, and voluntary actions?

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

The cochlea is responsible for balancing rather than sensing sound vibrations.

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

What are the protective layers of tissue that surround the brain called?

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

The __________ is a serious injury caused by a blockage or rupture of a blood vessel in the brain.

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

Match the following terms with their correct definitions:

<p>Emulsification = Breaks fat into smaller droplets Astigmatism = Defective vision due to curved cornea Villi = Tiny projections in the small intestine Epiglottis = Flap that prevents food from entering the windpipe</p> Signup and view all the answers

What are fats that are liquid at room temperature called?

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

Motor neurons carry information from the body parts to the brain.

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

What is the area of the eye that produces the clearest vision?

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

___________ are sensory structures within the ear that contribute to balance.

<p>Semicircular canals</p> Signup and view all the answers

Which part of the brain coordinates skeletal muscle activity?

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

What structure in the eye is responsible for producing tears?

<p>Lacrimal gland</p> Signup and view all the answers

What organ stores bile?

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

The _____ is the inner layer of the eye that detects light and produces nerve impulses.

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

Match the following terms with their descriptions:

<p>Sclera = Tough, white outer layer of the eyeball Cone = Cell type responsible for color vision Cornea = Transparent front portion of the eye Retina = Inner layer of the eye that detects light</p> Signup and view all the answers

Which function of the stomach necessitates its three muscle layers?

<p>Mixing food with gastric juice</p> Signup and view all the answers

Taste and smell are considered chemical senses because they detect sound waves.

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

What are the building blocks of proteins?

<p>Amino acids</p> Signup and view all the answers

A wave of electrical activity that transmits an impulse through a nerve is known as an _____ potential.

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

Which lobe of the brain is primarily responsible for personality and voluntary movement?

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

What is the primary function of Schwann cells in the nervous system?

<p>They speed impulse transmission in neurons.</p> Signup and view all the answers

The diaphragm in a camera is analogous to the pupil in the human eye.

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

What division of the autonomic nervous system is activated during stress?

<p>sympathetic division</p> Signup and view all the answers

Enzymes are essential for digestion because digestion requires many __________ changes.

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

Match the following parts of the autonomic nervous system with their functions:

<p>Sympathetic Division = Inhibits digestion during stress Parasympathetic Division = Stimulates digestion during rest</p> Signup and view all the answers

What effect does prolonged stress have on digestion?

<p>It causes functional dyspepsia.</p> Signup and view all the answers

The parasympathetic division of the autonomic nervous system mimics the effects of stress on the body.

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

What role does the parasympathetic division play in digestion?

<p>It stimulates the digestive system.</p> Signup and view all the answers

During periods of stress, the body diverts energy from digestion to the heart, lungs, and __________.

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

Why are enzymes critical for digestion?

<p>They assist in the chemical changes required for food breakdown.</p> Signup and view all the answers

Study Notes

Biology Study Notes

  • ABEKA Biology: Test 4 Focused Study Material.
  • Study Material Marketplace: Stuvia offers notes, summaries, flashcards, and more for various schools and universities.
  • Website: www.stuvia.com
  • Polio: A viral disease of the spinal cord, destroying motor neurons.
  • Incisors: Front teeth used for cutting food.
  • Carbohydrates: Nutrients like starches and sugars.
  • Small Intestine Divisions: Ileum, jejunum, and duodenum; the rectum is not part of the small intestine.
  • Interneurons: Neurons that relay messages between other neurons.
  • Axon: The long fiber of a neuron that transmits signals.
  • Dendrites: Nerve fibers that carry information toward the cell body.
  • Hydrochloric Acid: Stomach acid, killing bacteria and softening foods.
  • Alimentary Canal: Another name for the digestive tract.
  • Peristalsis: Rhythmic muscular contractions moving food through the digestive system.
  • Pulp: Hollow area in a tooth with nerves and blood vessels.
  • Peripheral Nervous System: Nervous system division including cranial and spinal nerves.
  • Vitamin C: A water-soluble vitamin.
  • Medulla Oblongata: Lowest part of the brain stem controlling breathing and heartbeat.
  • Oils: Liquid fats at room temperature.
  • Emulsification: Process breaking fat droplets into smaller droplets.
  • Meninges: Protective tissue layers surrounding the brain and spinal cord.
  • Astigmatism: Defective vision due to an asymmetrically curved cornea.
  • Cerebellum: Brain part primarily coordinating skeletal muscle activity.
  • Cerebrum: Brain part responsible for thought, memory, voluntary actions, and intelligence.
  • Small Intestine: Primary organ for digestion and absorption.
  • Stroke: Serious injury to the nervous system due to blood vessel blockage or rupture in the brain.
  • Semicircular Canals: Sensory structures in the ear contributing to balance.
  • Dental Caries: Cavities
  • Cochlea: Snail-shaped inner ear structure sensing sound vibrations.
  • Motor Neurons: Neurons carrying information from the brain and spinal cord to body parts.
  • Synapse: Junction allowing impulse transmission between nerve cells.
  • Reflex Arc: Simplest nerve pathway for quick, automatic responses to stimuli.
  • Villi: Tiny projections in the small intestine absorbing food.
  • Epiglottis: Flap of cartilage preventing food from entering the windpipe.
  • Fovea: Region in the eye's light-sensitive layer with clearest vision.
  • Lacrimal Gland: Structure producing tears.
  • Cornea: Transparent front portion of the eye.
  • Retina: Inner eye layer detecting light and producing nerve impulses.
  • Cones: Eye cells responsible for color vision.
  • Sclera: Tough, white outer layer of the eyeball.
  • Ulcer: Open sore in the digestive tract lining (True).
  • Grey Matter: Myelin-covered nerve fibers (False, it's white).
  • Liver: Organ producing bile, stored in the gallbladder. (True).
  • Esophagus: Tube connecting pharynx to the stomach, not the pyloric duct (False).
  • Frontal Lobe: Part of the brain controlling personality, self-control, and voluntary movements, not the parietal lobe (False).
  • Hypothalamus: Structure in the limbic system controlling physical effects of emotions, not Amygdala (False).
  • Cellulose: Carbohydrate that cannot be digested by humans (True).
  • Auditory Nerve: Carries sound impulses from the inner ear to the brain, not the Median Nerve (False).
  • Action Potential: Electrical impulse/wave travelling through a nerve (True).
  • Amino Acids: Building blocks of proteins, not proteinoïds (False).
  • Gastric Juice: Stomach's function mixing food with it.
  • Breakdown of ATP: Process releasing a free phosphate group in many biological processes.
  • Chemical Senses: Taste and smell, detecting chemical substances for sensory input.
  • Brain's Role (Mind): Brain is the physical seat of the mind (not the best explanation but a short answer).
  • Main Calorie Nutrient: Carbohydrates.
  • Schwann Cells Function: Speeding impulse transmission in neurons.
  • Camera Diaphragm Analog to: Eye's iris.
  • Enzymes in Digestion: Necessary for many chemical changes in digestion..
  • Stress and Digestion: Prolonged stress inhibits digestion, reducing stress allows proper function. Autonomic Nervous System (sympathetic and parasympathetic divisions) responsible for response.

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Prepare for ABEKA Biology Test 4 with focused study notes covering key concepts such as polio, intestines, and neuron functions. This material includes insights into carbohydrates, digestion, and more, making it essential for effective studying.

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