112DT Semester 1 questions

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1. ADH release is stimulated by

  • Increased plasma osmolality, decreased blood vol., decreased BP and stress
  • Increased plasma osmolality, decreased blood vol., stress
  • Decreased plasma osmolality, decreased blood vol., decreased BP
  • Increased plasma osmolality, decreased blood vol., decreased BP
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2. What is Hypovolaemia?

  • Increased renin, increased thirst, increased ECF
  • Decrease in ECF volume, Increased thirst, Increased angiotensin II, increase in Renin
  • Decreased thirst, increased ECF volume
  • Increased ECF, decreased thirst, decreased angiotensin II, decreased renin

3. What does the systolic value represent?

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

4. Which of the following is not an example of negative feedback?

  • When nerve signals are transmitted, presence of sodium ions cause the membrane potential to be changed. The change in potential allows more sodium ions through
  • When BP increases, receptors send a message to the brain. The brain then causes the heart rate to decreased and the blood vessles to constrict. BP falls as a result.
  • If external body temp. decreases , heat is produced by shivering, hairs on skin stand up to insulate, and arterioles constrict to avoid heat loss.
  • If water conc. of blood falls, ADH production is increased so less water is lost in urine

5. 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?

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


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