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6. What does ischaemic mean?

  • The heart is starved of oxygen.
  • The heart beats far too quickly.
  • The heart beats far too slowly.

7. Which of these connects muscle to bone?

  • Cartilage
  • Tendons
  • Ligaments

8. What is the main product of glycolysis?

  • pyruvate
  • lactate

9. What are narcotics?

  • Painkillers.
  • Chemicals which mask the action of another hormone.
  • Drugs that reduce the heart rate.

10. Cardiac Output = ?

  • cardiac volume x heart rate
  • tidal volume x frequency of inspiration

11. Which of these acts as the final electron acceptor in the electron transport chain?

  • NAD
  • oxygen
  • water

12. Baroreceptors are sensitive to...

  • pressure
  • carbon dioxide levels
  • oxygen concentration

13. Which of these is true about striated muscle?

  • It is found in the gut.
  • It fatigues very quickly.
  • It is involuntary.

14. What molecule becomes reduced during the process of the Krebs cycle?

  • NAD
  • ADP
  • oxygen

15. Which metal ion binds to the troponin molecules in the sliding filament theory?

  • Ca2+
  • Na+
  • K+

16. What is the residual volume?

  • The volume that can be inspired from the end of a normal expiration.
  • The volume of air left in the lungs after the strongest possible expiration.
  • The volume of air that can be expelled over and above the normal inspired tidal volume.

17. As the external temperature rises, thermoregulatory mechanisms keep the core temperature stable until the _______________ is reached

  • high critical temperature
  • low critical temperature
  • low lethal temperature