112DT Semester 1 questions

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1. Metabolic acidosis is caused by:

  • Imparied H+ excretion at the kidneys, CHO3- gain and production of a large number of fixed or organic acids
  • Increased H+ excretion at the kidneys, severe CHO3- gain, and production of a large number of fixed or organic acids
  • Imparied H+ excretion at the kidneys, CHO3- loss and production of a large number of fixed or organic acids
  • Increased H+ excretion at the kidneys, severe CHO3- loss, and production of a large number of fixed or organic acids
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2. What are erthrocyctes?

  • Platelets that contribute to blood clotting
  • Plasma proteins including albumin, fibrinogen and antibodies
  • RCB's that transport gases around the body
  • WBC's that form part of the immune system

3. Which hormone is released by the heart to decrease BP

  • Renin
  • Angiotensinogen
  • Atrial natriuretic peptide ANP
  • Anti diuretic hormone

4. In an ECG what is happening in the cardiac cycle and the Q wave?

  • The electrical signal spreads to the bundle branches
  • The electrical signal enters the Bundle of His
  • The electrical signal spreads to the perkinje fibres
  • The ventricle depolarises

5. What happens to a cell in a hypertonic solution

  • The cell ruptures
  • The cell swells
  • The cell shinks
  • The cell remains unchanged

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