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Anatomy and Physiology

Review Questions

Anatomy and PhysiologyReview Questions
1.

Diabetes insipidus or diabetes mellitus would most likely be indicated by ________.

  1. anuria
  2. polyuria
  3. oliguria
  4. none of the above
2.

The color of urine is determined mainly by ________.

  1. diet
  2. filtration rate
  3. byproducts of red blood cell breakdown
  4. filtration efficiency
3.

Production of less than 50 mL/day of urine is called ________.

  1. normal
  2. polyuria
  3. oliguria
  4. anuria
4.

Peristaltic contractions occur in the ________.

  1. urethra
  2. bladder
  3. ureters
  4. urethra, bladder, and ureters
5.

Somatic motor neurons must be ________ to relax the external urethral sphincter to allow urination.

  1. stimulated
  2. inhibited
6.

Which part of the urinary system is not completely retroperitoneal?

  1. kidneys
  2. ureters
  3. bladder
  4. nephrons
7.

The renal pyramids are separated from each other by extensions of the renal cortex called ________.

  1. renal medulla
  2. minor calyces
  3. medullary cortices
  4. renal columns
8.

The primary structure found within the medulla is the ________.

  1. loop of Henle
  2. minor calyces
  3. portal system
  4. ureter
9.

The right kidney is slightly lower because ________.

  1. it is displaced by the liver
  2. it is displace by the heart
  3. it is slightly smaller
  4. it needs protection of the lower ribs
10.

Blood filtrate is captured in the lumen of the ________.

  1. glomerulus
  2. Bowman’s capsule
  3. calyces
  4. renal papillae
11.

What are the names of the capillaries following the efferent arteriole?

  1. arcuate and medullary
  2. interlobar and interlobular
  3. peritubular and vasa recta
  4. peritubular and medullary
12.

The functional unit of the kidney is called ________.

  1. the renal hilus
  2. the renal corpuscle
  3. the nephron
  4. Bowman’s capsule
13.

________ pressure must be greater on the capillary side of the filtration membrane to achieve filtration.

  1. Osmotic
  2. Hydrostatic
14.

Production of urine to modify plasma makeup is the result of ________.

  1. filtration
  2. absorption
  3. secretion
  4. filtration, absorption, and secretion
15.

Systemic blood pressure must stay above 60 so that the proper amount of filtration occurs.

  1. true
  2. false
16.

Aquaporin channels are only found in the collecting duct.

  1. true
  2. false
17.

Most absorption and secretion occurs in this part of the nephron.

  1. proximal convoluted tubule
  2. descending loop of Henle
  3. ascending loop of Henle
  4. distal convoluted tubule
  5. collecting ducts
18.

The fine tuning of water recovery or disposal occurs in ________.

  1. the proximal convoluted tubule
  2. the collecting ducts
  3. the ascending loop of Henle
  4. the distal convoluted tubule
19.

Vasodilation of blood vessels to the kidneys is due to ________.

  1. more frequent action potentials
  2. less frequent action potentials
20.

When blood pressure increases, blood vessels supplying the kidney will ________ to mount a steady rate of filtration.

  1. contract
  2. relax
21.

Which of these three paracrine chemicals cause vasodilation?

  1. ATP
  2. adenosine
  3. nitric oxide
22.

What hormone directly opposes the actions of natriuretic hormones?

  1. renin
  2. nitric oxide
  3. dopamine
  4. aldosterone
23.

Which of these is a vasoconstrictor?

  1. nitric oxide
  2. natriuretic hormone
  3. bradykinin
  4. angiotensin II
24.

What signal causes the heart to secrete atrial natriuretic hormone?

  1. increased blood pressure
  2. decreased blood pressure
  3. increased Na+ levels
  4. decreased Na+ levels
25.

Which of these beverages does not have a diuretic effect?

  1. tea
  2. coffee
  3. alcohol
  4. milk
26.

Progesterone can bind to receptors for which hormone that, when released, activates water retention?

  1. aldosterone
  2. ADH
  3. PTH
  4. ANH
27.

Renin is released in response to ________.

  1. increased blood pressure
  2. decreased blood pressure
  3. ACE
  4. diuretics
28.

Which step in vitamin D production does the kidney perform?

  1. converts cholecalciferol into calcidiol
  2. converts calcidiol into calcitriol
  3. stores vitamin D
  4. none of these
29.

Which hormone does the kidney produce that stimulates red blood cell production?

  1. thrombopoietin
  2. vitamin D
  3. EPO
  4. renin
30.

If there were no aquaporin channels in the collecting duct, ________.

  1. you would develop systemic edema
  2. you would retain excess Na+
  3. you would lose vitamins and electrolytes
  4. you would suffer severe dehydration
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