Nervous System Quiz

Nervous System Quiz 1. The term central nervous system refers to the: E) brain and spinal cord 2. The peripheral nervous system consists of: E) the spinal and cranial nerves 3. Which of these cells are not a type of neuroglia found in the CNS: C) Schwann cells 4. The Schwann cells form a myelin sheath around the: D) axon 5. The neuron processes that normally receives incoming stimuli are called: B) dendrites 6. Collections of nerve cell bodies inside the PNS are called: A) ganglia 7. Which of the following best describes the waxy-appearing material called myelin: D) a mass of white lipid material that insulates the axon of a neuron 8. A neuron with a cell body located in the CNS whose primary function is connecting other C) interneuron 9. White matter refers to myelinated fibers in the: A) CNS 10. Impulse conduction is fastest in neurons that are: A) myelinated 11. An action potential: A) is essential for nerve impulse propagation 12. Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid: D) potassium 13. The ability to respond to a stimulus is termed: B) irritability 14. Which one of the following is the correct sequence of events that follows a threshold potential: 1. the membrane becomes depolarized 2. sodium channels open and sodium ions diffuse inward 3. the membrane becomes repolarized 4. potassium channels open and potassium ions diffuse outward while sodium is actively transported out of the cell B) 2,1,4,3 15. Which one of the following describes saltatory conduction: D) is faster than conduction on an unmyelinated fiber E) is slower than conduction on an unmyelinated fiber 16. The substance that is released at axonal endings to propagate a nervous impulse is called: C) a neurotransmitter 17. Which of the following is the correct sequence in a typical reflex arc: B) receptor, afferent neuron, integration centre, efferent neuron, effector 18. The elevated ridges of tissue on the surface of the cerebral hemispheres are known as ______ while the shallow grooves are termed ______. B) gyri; sulci 19. The olfactory area is found within the: B) temporal lobe 20. Sally has a brain injury; she knows what she wants to say but can’t vocalize the words. The part of her brain that deals with the ability to speak is the: D) Broca’s area 21. The midbrain, pons and medulla oblongata are housed in the: C) brain stem

22. Lobe that contains the primary motor area that enables voluntary control of skeletal muscle movements: D) frontal lobe 23. Afferent nerves are called ______, and motor nerves are called ______. D) sensory nerves; efferent nerves 24. The area of the brain stem that plays a role in consciousness and the awake/sleep cycle is the: C) pineal gland 25. Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the: C) hypothalamus 26. The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the: B) medulla oblongata 27. Loss of muscle coordination results from damage to the: C) cerebellum 28. Which of the following is a traumatic brain injury: D) cerebral edema 29. Which one of the following is the correct sequence of nerves that exit the spinal cord, going E) cervical spinal nerves, thoracic spinal nerves, lumbar spinal nerves, sacral spinal nerves 30. The nerve that contains sensory fibers that are involved in hearing is: D) cranial nerve VIII 31. Preparing the body for “fight-or-flight” response during threatening situations is the role of the: A) sympathetic nervous system

Digestive System Test True/False Indicate whether the statement is true or false. T 1. Fat molecules with longer chains of carbon atoms tend to be transported away from the intestine by lymph. F 2. The cecum is located at the inferior end of the descending colon. T 3. Words that end in -ase are enzymes. T 4. The pyloric sphincter is a valve that controls the movement of food between the stomach and small intestine. T 5. Digestion refers to the mechanical and chemical breakdown of food. F 6. Stomach absorbs only small amounts of water, certain salts, alcohol, some lipid soluble drugs, and fats. F 7. Food passing from the stomach through the small intestine would first pass into the duodenum, then the ileum, and lastly the jejunum. F 8. The double-layered folds of peritoneum, a connective tissue, that support portions of the small intestine are called omentum. F 9. Peristalsis is defined as a mixing movement that results in food in small segments of the alimentary canal being mixed with digestive enzymes. T 10. The process by which bile causes the breakdown of fat globules into smaller droplets is emulsification. Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 11. What are the 3 major salivary glands? a. parotid, submandibular, and sublingual ____ 12. The liver functions to a. store vitamin D. c. destroy damaged red blood cells.

b. form glucose from noncarbohydrates. d. All of the choices are correct. ____ 13. The salivary enzyme amylase functions to digest b. carbohydrates. ____ 14. Peristalsis occurs in the digestive tract d. from the pharynx to the anus. ____ 15. What kind of movements occur when the smooth muscles contract rythmically in small sections of the tube? a. mixing movement ____ 16. What kind of smooth muscle movement includes a wavelike motion of contraction behind a mass of food? c. peristalsis movement ____ 17. Digestion of which of the following would be affected the most if the liver were severely damaged? b. lipids ____ 18. What constituent of bile has a digestive function? a. bile salts ____ 19. Heartburn is usually caused by effects of gastric juice on the d. esophagus. ____ 20. One of the major functions of the large intestine is to d. reabsorb water from chyme. ____ 21. The correct sequence for the layers within the wall of the alimentary canal from inside to outside is b. mucous membrane, submucosa, muscular layer, serous layer. ____ 22. What breaks food into smaller pieces to begin mechanical digestion? d. teeth ____ 23. Which of the following is NOT a secretory cell in the alimentary canal? a. Mucous cell c. Kupffner cell b. Parietal cell d. Chief cell ____ 24. The purpose of the intestinal villi is to d. increase surface area for nutrient absorption. Short Answer 25. The gall bladder is a pear-shaped sac found on the interior surface of the liver. 26. Which part of the alimentary canal contains villi? Small intestine 27. 22 -primary teeth are replaced by 32 secondary teeth. 28. The liver is the bodies largest internal organ. 29. Name 3 of the 4 accessory organs. Salivary glands Liver Gall bladder pancreas 30. Identify the function of the lettered structures by writing in the correct letter for each listed function. (DACB)

Respiratory Quiz 1. The exchange of gases between blood and cells is called b. internal respiration 2. The nose serves all the following functions EXCEPT: a. as the initiator of the cough reflex 3. Surface tension of the alveolar fluid is reduced by the presence of c. surfactant 4. When the diaphragm and external intercostals muscles contract, which of the following actions does NOT occur? a. air moves into the lung b. the intrapleural pressure increases c. the diaphragm moves inferiorly d. the intrapulmonary pressure decreases 5. When we inhale c. both alveolar pressure and intrapleural pressure decrease 6. Which of the body systems listed below cooperate to supply O2 to cells and eliminate CO2? 1) digestive system 2) cardiovascular system 3) urinary system 4) respiratory system 5) endocrine system a. 3, 5 b. 2, 4 c. 1, 2 d. 1, 2, 4 7. In the lungs d. PCO2 in the alveoli is lower than that in the capillaries 8. As blood enters the systemic capillaries b. PO2 in the blood is higher than that in the tissues 9. During swallowing, the glottis is covered by c. epiglottis 10. Which of the following describes a correct order of structures in the respiratory passageways? d. pharynx, larynx, trachea, bronchi, bronchioles 11. The volume of air that can be exhaled after normal exhalation is the d. expiratory reserve volume 12. The primary chemical stimulus for breathing is the concentration of

b. carbon dioxide in the blood 13. During internal and external respiration, gases move by c. diffusion 14. Most oxygen in the blood is transported b. as oxyhemoglobin

MCQ: Enzymes that digest fats are known as lipase

Answer MCQ: After processing of food in stomach, it moves into small Intestine

Answer MCQ: Enzyme which is formed in mouth, is known as amylase

Answer MCQ: Mechanical breakdown of food is due to

chewing

Answer MCQ: Everything we eat is made up of molecules MCQ: Feces" gets hard and dry in constipation soft and wet in constipation MCQ: Main cause of indigestion of food is lack of chewing MCQ:Diarrhea takes out too much water and minerals which causes dehydration MCQ: Acid that is found in our stomach, is hydrochloric acid MCQ: Entrance of germs in body due to contaminated food is known as food poisoning MCQ: Removal of waste products from a body is known as egestion MCQ: Proteins are converted into amino acids

Answer MCQ: If we eat too much contaminated food, stomach forces us to vomit MCQ: Diarrhea takes place due to eating contaminated food MCQ: Process of absorption of food molecules from digestive track by blood vessels is called

Absorption MCQ: Large molecules in food that we eat are carbohydrates, fats and proteins MCQ: Acid in stomach provides acidic medium for enzymes MCQ: Conversion of starch into glucose and other simple sugars is generally known as carbohydrate MCQ: To enter blood vessels, large molecules are digested

Answer MCQ: Amino acids are basically used for growth and repair MCQ: Diameter of small intestine is 3 cm

Answer MCQ: Excessive carbohydrates are converted into fats only MCQ: Digestive track runs from mouth to anus MCQ: Stomach can hold 1.5 liters food MCQ: Glucose is chiefly required for respiration MCQ: First step in digestion process is chewing MCQ: Eating food quickly stimulates production of acid and gastric juice

Answer MCQ: Muscles contraction in 'esophagus' is known as peristalsis

Answer MCQ: Chemical breakdown of food is because of acids and chemicals

Answer MCQ: Common name for 'enzymes' which digest protein is protease Objective 3.01 – Describe the basic functions of the circulatory system. 1. All of the following are functions of the circulatory system EXCEPT? a. Thermoregulation b. Transport of oxygen, carbon dioxide, nutrients, and waste products c. Hematopoiesis d. Transport of hormones and antibodies Objective 3.02 – Identify the basic structures and functions of the heart, blood vessels, and blood. 2. The chamber of the heart responsible for receiving blood as it returns from the lungs after it has been reoxygenated. a. Right Atrium b. Right Ventricle c. Left Atrium d. Left Ventricle 3. This is the only artery that carries unoxygenated blood away from the heart. a. Aorta b. Pulmonary Trunk c. Superior Vena Cava d. Inferior Vena Cava 4. The bicuspid valve is also known as the: a. Right atrioventricular valve b. Aortic semilunar valve c. Pulmonary semilunar valve d. Mitral valve 5. The correct sequence of heart chambers a red blood cell would pass through as

it travels through the heart. a. Right Atrium – Left Ventricle – Left Atrium – Right Ventricle b. Right Atrium – Right Ventricle – Left Atrium – Left Ventricle c. Left Atrium – Left Ventricle – Right Atrium – Right Ventricle d. Left Atrium – Right Atrium – Left Ventricle – Right Ventricle 6. The vessels in the circulatory system where the exchange of gas takes place are the? a. Veins b. Aorta c. Arteries d. Capillaries Introduction to Health Science Unit Three - Transportation 4 Utah State Office of Education 7. Which of the following is NOT a formed element of blood? a. Red Blood Cells b. White Blood Cells c. Plasma d. Platelets 8. The type of blood vessels that have one way valves preventing back flow of blood. a. Capillaries b. Arteries c. Veins d. Arterioles 9. Which of the following is NOT a layer of the heart? a. Endocardium b. Myocardium c. Endomyosin d. Pericardium Objective 3.03 – Describe the diseases and disorders associated with the circulatory system. 10.Deposit of plaque on the walls of a coronary artery is called? a. Hypertension b. Myocardial Infarction c. Stroke d. Atherosclerosis 11.A myocardial infarction is a/an? a. Blood clot b. Narrow blood vessel c. Incomplete valve closure d. Heart attack 12.What is anemia? a. Deficiency in the production of normal hemoglobin b. A disease in newborns c. An inability to clot blood d. Cancer of the blood 13.What is another name for high blood pressure? a. Myocardial infarction b. Hypertension c. Angina d. Pneumonia