end of chapter quiz: chapter 15 Flashcards
1
Q
- Homeostasis of body fluids is mainly maintained by the:
a. liver
b. lungs
c. kidneys
d. bladder
A
c
2
Q
- Three of the choices below are organ systems directly involved
in excretion of wastes. Which system is not directly involved in
excretion but interconnects the other three?
a. urinary system
b. respiratory system
c. circulatory system
d. digestive system
A
c
3
Q
- Which of the following organs are involved in the synthesis of
active vitamin D?
a. heart and brain
b. pancreas and kidneys
c. liver and pancreas
d. skin, liver, and kidneys
A
d
4
Q
- The nitrogenous wastes excreted by the kidneys are produced
through the metabolism of:
a. carbohydrates
b. proteins
c. triglycerides
d. cholesterol
A
b
5
Q
- Which of the following indicates the correct order of the structures through which urine would pass during formation and
excretion?
a. nephron, renal pelvis, ureter, bladder, urethra
b. renal pelvis, ureter, nephron, urethra, bladder
c. nephron, renal pelvis, urethra, bladder, ureter
d. renal pelvis, nephron, ureter, bladder, urethra
A
a
6
Q
- Which structure is incorrectly paired with its function?
a. urethra: transport of urine
b. nephron: production of urine
c. bladder: storage of urine
d. ureter: concentration of urine
A
d
7
Q
- Protein is generally not found in the urine because:
a. It does not pass through the glomerular filter into the space
within the glomerular capsule.
b. It is reabsorbed in the ascending limb of the loop of Henle.
c. It is reabsorbed within the collecting duct.
d. It is metabolized by the cells that line the nephron.
A
a
8
Q
- Blood enters the glomerulus through the __________ and exits
the glomerulus through the __________ .
a. efferent arteriole . . . afferent arteriole
b. efferent arteriole . . . distal tubule
c. proximal tubule . . . efferent arteriole
d. afferent arteriole . . . efferent arteriole
A
d
9
Q
- A healthy person’s glomerular filtrate contains:
a. H2O + hemoglobin
b. H2O + small solutes
c. H2O + large proteins
d. H2O + blood cells
A
b
10
Q
- Which of the following is most responsible for the production
of the glomerular filtrate?
a. diffusion
b. active transport
c. glomerular capillary blood pressure
d. facilitated diffusion
A
c
11
Q
- In tubular absorption, which of the following processes essentially drives all of the others?
a. active transport of Na+ from the proximal tubular cell toward a capillary
b. facilitated transport of Na+ from the tubular lumen into the
proximal tubular cell
c. diffusion of water from the proximal tubular cell toward a
capillary
d. diffusion of Cl- from the tubular lumen into the proximal
tubular cell
A
a
12
Q
- All of the following would happen if an individual was perspiring heavily and becoming dehydrated except:
a. ADH hormone would be secreted.
b. The kidneys would reabsorb more water.
c. The collecting ducts would become less permeable to water.
d. Less urine would be produced.
A
c
13
Q
- How does ADH decrease the loss of water through the
kidneys?
a. ADH increases water reaborption in the collecting ducts.
b. ADH decreases the amount of blood flowing through the
kidneys.
c. ADH increases water reabsorption in the proximal tub
A
a
14
Q
- ACE inhibitors decrease blood pressure by:
a. inhibiting the activity of ADH
b. decreasing the amount of angiotensin II
c. altering the permeability of the renal tubules to water
d. inhibiting the activity of ANH
A
b
15
Q
- UTIs, mostly caused by __________, are more common in
__________ as their __________ are short.
a. viruses … men … bladders
b. bacteria … women … urethras
c. bacteria … men … urethras
d. bacteria … women … ureters
A
b
