112DT Semester 1 questions

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1. Select the correct statement which explains the function of the plasma membrane

  • The plasma membrane gives form to the cell and controls the passage of materials into and out of the cell
  • The plasma membrane supports the nucleus and controls the passage of materials between the nucleus and the cytoplasm
  • The plasma membrane supports the cytoplasm and transports materials into the cytoplasm
  • The plasma membrane moves paricles along the cell surface
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2. Secretion of hydrogen, activity of buffers in tubular fluid and removal of CO2 are all renal responses to what?

  • Hypervolemia
  • Hypovolemia
  • Acidosis
  • Alkalosis

3. What is unusual about the pulmonary vein?

  • It is the only vein that carries oxygenated blood
  • It carries blood away from the heart
  • It is smaller that all the other veins in the body
  • It carries de-oxygenated blood to the heart

4. Which of these are NOT a general function of electrolytes in the body?

  • They maintain cell wall integrity
  • The carry electrical currents
  • Some act as cofactors for enzzyme activities
  • They aid maintenance of acid base balance

5. What does the systolic value represent?

  • When the ventricles relax
  • When the ventricles contract
  • When the atria relaxes
  • When the atria contracts

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