Flashcards in Chap 25 Textbook Questions Deck (30)
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1
Diabetes insipidus or diabetes mellitus would most
likely be indicated by ________.
a. anuria
b. polyuria
c. oliguria
d. none of the above
b. polyuria
2
The color of urine is determined mainly by ________.
a. diet
b. filtration rate
c. byproducts of red blood cell breakdown
d. filtration efficiency
c. by products of red blood cell breakdown
3
Production of less than 50 mL/day of urine is called
________.
a. normal
b. polyuria
c. oliguria
d. anuria
d. anuria
4
Peristaltic contractions occur in the ________.
a. urethra
b. bladder
c. ureters
d. urethra, bladder, and ureters
c. ureters
5
Somatic motor neurons must be ________ to relax the
external urethral sphincter to allow urination.
a. stimulated
b. inhibited
b. inhibited
6
Which part of the urinary system is not completely
retroperitoneal?
a. kidneys
b. ureters
c. bladder
d. nephrons
c. bladder
7
The renal pyramids are separated from each other by
extensions of the renal cortex called ________.
a. renal medulla
b. minor calyces
c. medullary cortices
d. renal columns
d. renal columns
8
The primary structure found within the medulla is the
________.
a. loop of Henle
b. minor calyces
c. portal system
d. ureter
a. loop of Henle
9
The right kidney is slightly lower because ________.
a. it is displaced by the liver
b. it is displace by the heart
c. it is slightly smaller
d. it needs protection of the lower ribs
a. it is displaced by the liver
10
Blood filtrate is captured in the lumen of the ________.
a. glomerulus
b. Bowman’s capsule
c. calyces
d. renal papillae
b. Bowman’s capsule
11
What are the names of the capillaries following the
efferent arteriole?
a. arcuate and medullary
b. interlobar and interlobular
c. peritubular and vasa recta
d. peritubular and medullary
c. peritubular and vasa recta
12
The functional unit of the kidney is called ________.
a. the renal hilus
b. the renal corpuscle
c. the nephron
d. Bowman’s capsule
c. the nephron
13
________ pressure must be greater on the capillary side
of the filtration membrane to achieve filtration.
a. Osmotic
b. Hydrostatic
b. Hydrostatic
14
Production of urine to modify plasma makeup is the
result of ________.
a. filtration
b. absorption
c. secretion
d. filtration, absorption, and secretion
d. filtration, absorption, and secretion
15
Systemic blood pressure must stay above 60 so that the
proper amount of filtration occurs.
a. true
b. false
b. false
16
Aquaporin channels are only found in the collecting
duct.
a. true
b. false
b. false
17
Most absorption and secretion occurs in this part of the
nephron.
a. proximal convoluted tubule
b. descending loop of Henle
c. ascending loop of Henle
d. distal convoluted tubule
e. collecting ducts
a. proximal convoluted tubule
18
The fine tuning of water recovery or disposal occurs in
________.
a. the proximal convoluted tubule
b. the collecting ducts
c. the ascending loop of Henle
d. the distal convoluted tubule
b. the collecting ducts
19
Vasodilation of blood vessels to the kidneys is due to
________.
a. more frequent action potentials
b. less frequent action potentials
b. less frequent action potentials
20
When blood pressure increases, blood vessels
supplying the kidney will ________ to mount a steady rate
of filtration.
a. contract
b. relax
a. contract
21
Which of these three paracrine chemicals cause
vasodilation?
a. ATP
b. adenosine
c. nitric oxide
a. ATP
22
What hormone directly opposes the actions of
natriuretic hormones?
a. renin
b. nitric oxide
c. dopamine
d. aldosterone
d. aldosterone
23
Which of these is a vasoconstrictor?
a. nitric oxide
b. natriuretic hormone
c. bradykinin
d. angiotensin II
d. angiotensin II
24
What signal causes the heart to secrete atrial natriuretic
hormone?
a. increased blood pressure
b. decreased blood pressure
c. increased Na+
levels
d. decreased Na+
levels
a. increased blood pressure
25
Which of these beverages does not have a diuretic
effect?
a. tea
b. coffee
c. alcohol
d. milk
d. milk
26
Progesterone can bind to receptors for which hormone
that, when released, activates water retention?
a. aldosterone
b. ADH
c. PTH
d. ANH
b. ADH
27
Renin is released in response to ________.
a. increased blood pressure
b. decreased blood pressure
c. ACE
d. diuretics
b. decreased blood
28
Which step in vitamin D production does the kidney
perform?
a. converts cholecalciferol into calcidiol
b. converts calcidiol into calcitriol
c. stores vitamin D
d. none of these
b. converts calcidiol into calcitriol
29
Which hormone does the kidney produce that
stimulates red blood cell production?
a. thrombopoeitin
b. vitamin D
c. EPO
d. renin
c. EPO
30
