112DT Semester 1 questions

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1. Which mineral is regulated by the parathyroid hormone, is an extracellular cation and the most abundant mineral in the body?

  • Phosphorus
  • Calcium
  • Sodium
  • Magnesium
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2. Secretion of hydrogen, activity of buffers in tubular fluid and removal of CO2 are all renal responses to what?

  • Hypovolemia
  • Acidosis
  • Hypervolemia
  • Alkalosis

3. Name the anemia where plasma membranes rupture prematurely as a result of inherited deftects such are abnormal RBC enzymes or outside agents such as toxins and parasites?

  • Haemolytic anaemia
  • Haemorrhagic anaemia
  • Aplastic anaemia
  • Megloblastic anaemia

4. Which factor does not influence membrane transport

  • Nucleus presence
  • Cell temperature
  • Molecular size
  • Cell charge

5. The sympathetic nervous system has which effect on the heart?

  • Slows down down heart rate in the presence of noradrenaline
  • Speeds up heart rate in presence of acetylcholine
  • Speeds up the heart rate in the presence of noradrenaline
  • Slows doen herat rate in the presence of acetylcholine

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