1. Which is one of the most common diseases of the mouth and teeth in the developed world?
a. Periodontitis
b. Dental caries
c. Gingivitis
d. Thrush
2. Necrosis and gangrene can result from malignant hyperthermia.
a. True
b. False
3. The basal metabolic rate is higher in hypothermia as compared to fever.
a. True
b. False
4. Labored or difficult breathing is referred to as:
a. apnea.
b. dyspnea.
c. eupnea.
d. Cheyne-Stokes respiration.
5. The respiratory membrane serves an important function. It:
a. lines most of the air distribution tubes in the system.
b. lines passageways leading to the outside of the body.
c. separates the air in the alveoli from the blood in surrounding capillaries.
d. lines closed body cavities.
6. Assuming a sitting position can relieve eupnea.
a. True
b. False
7. Chemical reactions that build food molecules into more complex chemical compounds constitute the process of:
a. anabolism.
b. catabolism.
c. glycolysis.
d. ATP.
8. By the time the blood leaves the lung capillaries to return to the heart, what percentage of the blood's hemoglobin has united with oxygen?
a. 55%
b. 63%
c. 82%
d. 97%
9. Metabolism requires the use of enzymes to catalyze chemical reactions.
a. True
b. False
10. The function of surfactant is to:
a. exchange the oxygen from the air to the blood.
b. exchange the carbon dioxide from the blood to the air.
c. prevent each alveolus from collapsing as air moves in and out during respiration.
d. trap foreign particles as they enter the bronchial tree.
11. Bacteria in the large intestine are responsible for the synthesis of vitamin K needed for normal blood clotting.
a. True
b. False
12. Which of the following regarding the appendix is incorrect?
a. It serves no important digestive function in humans.
b. It is also referred to as the "vermiform appendix."
c. It contains lymphatic tissue.
d. All of the choices apply.
13. The mediastinum is the space between the lungs occupied by the esophagus, trachea, large blood vessels, and the heart.
a. True
b. False
14. Which of the following statements is not true of glycolysis?
a. It occurs in the cytoplasm of the cell.
b. It is also known as the Krebs cycle.
c. It prepares glucose for the second step in the catabolism of carbohydrates.
d. Glycolysis splits one molecule of glucose into two molecules of pyruvic acid.
15. Normal breathing is referred to as:
a. apnea.
b. dyspnea.
c. eupnea.
d. Cheyne-Stokes respiration.
16. The two most important respiratory control centers are located in which part of the brain?
a. Medulla oblongata
b. Pons
c. Cerebral cortex
d. Cerebellum
17. Which of the following is not associated with the large intestine?
a. Pyloric sphincter
b. Cecum
c. Appendix
d. Sigmoid
18. Labored or difficult breathing is known as:
a. apnea.
b. hyperpnea.
c. dyspnea.
d. eupnea.
19. Which of the following organs is lined with microvilli to enhance absorption?
a. Esophagus
b. Stomach
c. Pharynx
d. Small intestine
20. Approximately how much saliva do the salivary glands secrete each day?
a. 200 mL
b. 500 mL
c. 750 mL
d. 1000 mL
21. The preferred energy fuel of the body is:
a. lactase.
b. glucose.
c. amino acids.
d. glycerol.
22. The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the:
a. fauces.
b. frenulum.
c. uvula.
d. gingiva.
23. Which of the following is a rise in body temperature that is used to help the immune system fight a pathogen?
a. Malignant hyperthermia
b. Heat exhaustion
c. Fever
d. Hypothermia
24. A fat that is solid at room temperature such as butter or lard is also known as a(n):
a. incomplete protein.
b. saturated fat.
c. unsaturated fat.
d. essential amino acid.
25. Pancreatic cancer is:
a. an inflammation of the pancreas.
b. characterized by thick secretions that block the flow of the pancreatic juice.
c. fatal in the majority of cases within 5 years.
d. successfully treated in most cases.