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lemalcolm lemalcolm
wrote...
Posts: 616
Rep: 1 0
6 years ago
In the diagram, where are the trabeculae carneae?
 
  a) D
  b) E
  c) F
  d) G
  e) H



(Question 2) Which hormone is secreted by the corpus luteum after ovulation?
 
  a) Progesterone
  b) Relaxin
  c) LH
  d) FSH
  e) HGH



(Question 3) During which period of a twitch contraction does the muscle action potential move along the sarcolemma of the muscle cell and trigger calcium release into the sarcoplasm?
 
  a) latent period
  b) contraction period
  c) relaxation period
  d) absolute refractory period
  e) relative refractory period



(Question 4) Emily was very ill with an upper respiratory infection
 
  Her roommate gave her some chicken soup to make her feel better. Neither Emily nor her roommate realized that the soup was too hot to eat until after Emily put a spoonful in her mouth. Now Emily says she can't taste anything. Why? When will she be able to taste again?
 
  What will be an ideal response



(Question 5) The endocrine gland shown in the diagram is found in a depression in the sphenoid bone (marked in the diagram) called the
 
  a) maxilla.
  b) infundibulum.
  c) primary plexus.
  d) cribiform plate.
  e) hypophyseal fossa



(Question 6) Which of the capillaries shown in the figure has an incomplete or absent basement membrane?
 
  a) A
  b) B
  c) C
  d) A and B
  e) A, B, and C



(Question 7) Which cranial nerve in the diagram has an autonomic motor function primarily involved in stimulating secretion of saliva?
 
  a) F
  b) I
  c) J
  d) K
  e) L



(Question 8) Which nerve labeled in the diagram does NOT arise from any plexus?
 
  a) A
  b) B
  c) D
  d) E
  e) G



(Question 9) Explain the proposed role of hemoglobin in the regulation of blood flow and blood pressure.
 
  What will be an ideal response



(Question 10) This is a test to measure kidney function.
 
  a) Plasma creatinine
  b) Renal study
  c) Kidney assay
  d) Dialysis
  e) Hilus study
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Replies
wrote...
6 years ago
1) d

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2) a

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3) a

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4) Emily probably already had trouble smelling her food because of her infection. The hot soup probably damaged her taste buds, especially the ones on the front and sides of her tongue. Those taste buds are more sensitive to sweet, sour and salty tastes. The ones at the back of the tongue are sensitive to bitter tastes, and the ones in the throat are sensitive to umami tastes. The taste buds are epithelial tissues and should heal in a few days or so. When they do, Emily will be able to taste again.

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5) e

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6) c

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7) b

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8) c

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9) The gaseous hormone nitric oxide (NO), produced by the endothelial cells that line blood vessels, binds to hemoglobin. Under some circumstances, hemoglobin releases NO. The released NO causes vasodilation, an increase in blood vessel diameter that occurs when the smooth muscle in the vessel wall relaxes. Vasodilation improves blood flow and enhances oxygen delivery to cells near the site of NO release.

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10) a
lemalcolm Author
wrote...
6 years ago
I can't even begin to explain how much your help meant to me.
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