PCAT

Review 282 PCAT practice questions with answer explanations and community insights.

Question 1

Which of the following would NOT occur during sympathetic stimulation?

  1. secretion of glucagon
  2. dilation of bronchioles
  3. dilation of intestinal blood vessels
  4. dilation of pupils

Question 2

Which of the following would increase the pH of the blood?

  1. severe damage to the kidneys
  2. the digestion of a big meal
  3. an increase in anaerobic respiration
  4. an increase of the blood pCO

Question 3

Which of the following yields the least ATP directly?

  1. TCA cycle
  2. oxidative phosphorylation
  3. glycolysis
  4. Beta Oxidation

Question 4

The T-tubules transmit an action potential, causing the opening of ____ channels in the ____.

  1. Na , Sarcoplasm +
  2. Ca , Sarcoplasmic Reticulum 2+
  3. Na , Sarcoplasmic Reticulum +
  4. Ca , Sarcoplasm 2+

Question 5

Which of the following decompose disaccharides into monosaccharides?

  1. salivary amylase
  2. pancreatic enzymes
  3. gastrin
  4. brush border enzymes
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