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1. Which of the following statements accurately describes the pericardium?: It
consists of two layers of fibrous tissue with a small space in between them.
2. Which of the following parts of the central nervous system is responsible
for the control of involuntary respirations?: Medulla oblongata
3. Which type of glial cells are found only in the brain and spinal cord and
produce myelin?: Oligodendrocytes
4. Which of the following hormones is produced by the thyroid gland and is
active in calcium metabolism?: Calcitonin
5. Which of the following blood types is identified as the universal donor?: O
negative
6. Which of the following processes is the result of mitosis?: Tissue repair
7. Which of the following is the hormone that regulates urine output?: Antidi-
uretic
8. Blood pH is measured by the gain and loss of which of the following?: Hy-
drogen
9. Which of the following bones is a component of the appendicular skeleton?-
: Symphysis pubis
10. Which of the following processes must occur for the second meiotic
division of the ovum to complete?: Fertilization
11. Which of the following is a function of the liver?: Lipid metabolism
12. Which of the following terms describes the exchange of air between the
atmosphere and the alveoli?: Ventilation
13. Which of the following functions is associated with the dermal layer of the
skin?: Collagen formation
14. Which of the following is a type of connective tissue?: Blood
15. Which electrolyte level must be sufficient for prothrombin to be converted
to thrombin?: Calcium
16. Which of the following is responsible for the skin coloration of a suntan?-
: Melanin
17. Which of the following is a result of stimulation of the sympathetic nervous
system?: Increased cardiac output
18. Which of the following valves prevents backflow of blood from the right
ventricle into the right atrium of the heart?: Tricuspid
19. Which of the following plasma proteins is synthesized by the liver and
contributes to the colloid osmotic pressure of the blood?: Albumin
20. Which of the following mediates the body's response to stress?: Cortisol
21. Which of the following is a substance secreted by the pleura that prevents
friction during breathing?: Serous fluid
22. Which of the following is a structure of the inner ear?: Cochlea
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