2: Physiology

Physiology

QUESTIONS

1. Which definition BEST describes diffusion?

2. Neutrophils are known as which type of blood cell?

3. During gingivitis, which immune system cells are most likely to be the first to respond?

4. The merocrine glands are responsible for the secretion of which fluid?

5. Which type of tissue lines the surface of the lungs?

6. Which BEST describes what happens to a nerve when there is an influx of sodium ions?

7. The inferior alveolar nerve is difficult to anesthetize because it is has a thick myelin sheath. Myelin acts as an insulator that prevents the generation of electrical activity.

8. An elevated serum potassium level is known as

9. A group of similar cells that perform a common function is called a/an

10. Negative feedback mechanisms oppose the direction of an initial stimulus. Defects in negative feedback mechanisms are the cause of most homeostatic imbalances.

11. Which cellular organelle is responsible for the detoxification of drugs, pesticides, and carcinogens?

12. Which type of epithelium is multilayered to provide protection to underlying tissue and is found in areas subject to abrasion such as the mouth and the esophagus?

13. A bone disease that results in fragile and thin bones when bone resorption is faster than bone deposit is called

14. Each is a property of muscle tissue EXCEPT one. Which one is the EXCEPTION?

15. At which sites are motor nerve impulses transmitted from nerve endings to skeletal muscle cells?

16. The trigeminal nerve

17. Which of the following is NOT a characteristic of AB-positive blood?

18. Which substance must be present for the thyroid gland to produce thyroxine?

19. Type 2 diabetes mellitus is best described by which statement?

20. Which is the first step of blood clot formation (hemostasis)?

21. Which factor determines the movement of respiratory system gases?

22. Which of the following is NOT a functional activity of the digestive system?

23. Cilia cannot be repaired or regenerated, even after quitting smoking. Emphysema is characterized by irreversible destruction of the walls of the alveoli and the production of abnormally large air spaces.

24. The pharynx is a passageway for air and food. But the larynx is a passageway only for air.

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Jan 1, 2015 | Posted by in Dental Hygiene | Comments Off on 2: Physiology
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