Respiratory System Practice Test Questions by Aida PDF

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Respiratory System Practice TEAS Questions 1. The site of gas exchange takes place in the: a. Alveoli b. Bronchioles c. Trachea d. Lumen 2. The pulmonary loop is involved in the following: a. Involved in the movement of lymphatic fluid around the lungs b. Carries oxygenated blood from left ventricle to lungs c. Via pulmonary arteries, carries deoxygenated blood from right ventricle to lungs and then oxygenated blood to left atrium via pulmonary veins d. None of the above 3. Gas exchange is a movement of gases by: a. Diffusion b. Osmosis c. Facilitated diffusion d. Active transport 4. The trachea is lined by what type of epithelium? a. Simple squamous epithelium b. Columnar epithelium c. Pseudostratified epithelium d. Non-keratinized stratified epithelium 5. The alveoli are lined by: a. Columnar epithelium b. Cuboidal epithelium c. Simple squamous epithelium d. None of the above 6. The air that remains in the lungs after expiration is called: a. Tidal volume b. Residual volume c. Vital capacity d. Expiratory volume 7. The substance that is produced by the alveoli to prevent lung collapse: a. Mucus b. Water and mucus c. Surfactant d. None of the above 8. Tidal volume in respiration is: a. The amount of air inhaled and exhaled during a normal breathing cycle b. The amount of gas in the lungs after a maximum inspiration or deep breath c. The amount of gas that can be exhaled after maximum inspiration d. The amount of gas remaining in the lungs after a maximum expiration

9. Which is not part of the respiratory tract? a. Trachea b. Nasal passages c. Esophagus d. Bronchioles 10. The breathing process is controlled by: a. Hypothalamus b. Frontal lobe c. Medulla oblongata d. Cerebellum 11. Hypoventilation results in: a. Build up of carbon dioxide and low pH b. Build up of oxygen and high pH c. Excess carbon dioxide expired and low pH d. Excess oxygen expired and high pH 12. What surrounds each alveoli? a. Capillary bed b. Vena cava c. Arteries d. Blood vessels 13. Each lung is covered by a thin membrane called: a. Pericardium b. Serous membrane c. Pleura d. Peritoneal 14. What is it called when air is inhaled and exhaled in the lungs? a. Perfusion b. Ventilation c. Expiratory volume d. Inspiratory volume 15. During _______ the diaphragm and intercostal muscles contract. a. Inspiration b. Expiration c.

Respiration

d. Digestion

16. What happens during hyperventilation? a. Excess carbon dioxide is inhaled b. Excess carbon dioxide is exhaled c.

Normal breathing patterns

d. Excess oxygen is inhaled

17. What monitors the levels of carbon dioxide in the blood? a. Medulla oblongata b. Thalamus c.

Spinal cord

d. Pineal gland

18. The following are functions of the respiratory system except: a. Warming and moistening the air b. Transporting oxygen and carbon dioxide c.

Maintaining pH balance

d. Secreting urea 19. When taking a deep breath, what happens to the diaphragm? a. Contracts and moves downward b. Relaxes and moves downward c.

Contracts and stays the same

d. Nothing happens

20. The lungs are in the ________________cavity. a. Thoracic b. Abdominal c.

Pleural

d. Posterior 21. What covers the entrance to the pharynx during swallowing to prevent food and fluids from entering the respiratory tract? a. Epiglottis b. Vocal chords c.

Larynx

d. Cricoid cartilage 22. The scientific name for voice box is called: a. Trachea b. Bronchioles c.

Larynx

d. Pharynx

23. Pulmonary arteries which are deoxygenated are rich in what gas? a. Oxygen b. Nitrogen c.

Carbon dioxide

d. Carbon monoxide

24. Which of the following is not a lung disease? a. Cystic fibrosis b. Asthma c.

COPD

d. Diabetes

25. Which of the following would lead to an increase in ventilation rate? a. Oxygen concentration is decreased b. Oxygen concentration is increased c.

pH of the blood is decreased

d. pH of the blood is increased

Answer Key:

1. A 2. C 3. A 4. C 5. C 6. B 7. C 8. A 9. C 10. C 11. A 12. A 13. C 14. B 15. A 16. B 17. A 18. D 19. A 20. C 21. A 22. C 23. C 24. D 25. C...