1. The excretory system helps regulate a. water content of the body b. blood vol

Question

1. The excretory system helps regulate
a. water content of the body
b. blood volume of the body
c. pH of the body
d. all of the above
e. none of the above
2. Which excretory organ releases mainly water and salt, thereby cooling the body?
a. kidneys
b. liver
c. lungs
d. skin
e. all of the above
3. Removal of carbon dioxide and water from the body is the function of the:
a. lungs
b. liver
c. kidneys
d. skin
e. colon
4. The bladder
a. helps with removal of feces
b. serves as a site for bacterial destruction
c. stores urine to prevent constant urination
d. may serve as a reservoir for eggs
e. performs all of the above
5. The urethra connects the bladder to the
a. kidney
b. liver
c. ureter
d. external environment
e. none of the above




6. Urine formed in the kidneys is transported to the bladder via the
f. urethra
g. ureter
h. distal convoluted tubule
i. proximal convoluted tubule
j. loop of Henle
7. Which part of the kidney is connected to the ureter?
a. medulla
b. pelvis
c. cortex
d. pyramid
e. Bowman’s capsule
8. A kidney nephron consists of the following except:
a. Bowman’s capsule
b. proximal convoluted tubule
c. loop of Henle
d. collecting duct
e. ureter
9. Of all solids dissolved in urine which is the most abundant?
a. uric acid
b. ammonium
c. urea
d. creatinine
e. sodium
10. Cystitis refers to
a. infection of the kidney
b. infection of the bladder
c. infection of the urethra
d. infection of the Bowman’s capsule
e. all of the above
11. The nephron is nourished by the
a. peritubular capillary network
b. glomerular capillary network
c. renal venule
d. renal vein
e. none of the above
12. Anuria refers to
a. total lack of urine
b. scanty urination
c. excessive urination
d. blood in the urine
e. none of the above


13 One gram of protein will yield:
a. 9 Kcal of energy
b. 7 Kcal of energy
c. 4 Kcal of energy
d. 6 Kcal of energy
e. none of the above

14. A group of identical cells in same location performing same function:
a. system
b. cancer
c. tissue
d. organ
e. none of the above

15. Pain in the upper right quadrant may be due to
a. appendicitis
b. respiratory distress
c. acute hepatitis
d. herniated esophagus
e. none of the above

16. Identify homeostasis among the following:
a. blood vessels transporting blood
b. body temperature maintained at 98.6 degrees Fahrenheit
c. cardiac muscle tissue specialized to contract
d. sun tanning of the skin
e. none of the above.

17. A nutrient that cannot be synthesized by the body is described as:
a. dispensable
b. essential
c. biologically unavailable
d. all of the above
e. none of the above

18. The kidneys stimulate erythrocyte production via the secretion of:
a. erythropoietin
b. leukopoietin
c. leukopene
d. pepsin
e. rennin




19. Body heat regulation becomes more difficult in the elderly due to:
a. increased blood flow to the endocrine glands
b. decreased blood supply to the skin
c. sweat glands that become less active
d. less active sweat glands and decreased blood flow to the skin
e. none of the above

20. Hypervolemia in an individual will definitely cause:
a. hypotension
b. hypertension
c. hypernatremia
d. hyponatremia
e. only (a) and (c)

Explanation / Answer

1 e 2 d 3 a 4 c 5 c 6 a 7 a 8 e 9 b 10 b 11 d 12 a 13 c 14 c 15 e 16 b 17 b 18 a 19 d 20 c

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