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6. Which fibre connects bone-to-bone?

  • Muscle
  • Ligament
  • Tendon

7. In the Kreb's cycle, how many times is the 5C form molecule decarboxylated and dehydrogenated?

  • 3
  • 2
  • 5

8. What form of phosphorylation takes place during glycolysis?

  • Substrate level
  • Oxidative

9. By what process does H+ renter the mitochondrial matrixduring aerobic respiration?

  • Chemiosmosis
  • Diffusion
  • Osmosis

10. Which node creates the second electrical impulse in the heart?

  • CAN
  • AVN
  • SAN

11. Which part of the brain controls breathing rate?

  • Medulla
  • Thalamus
  • Hypothalamus

12. In alcoholic fermentation what is the name of the enzyme present?

  • Cytochrome oxidase
  • Alcohol dehydrogenase
  • Lactate dehydrogenase

13. What units are used to measure cardiac output?

  • dm3
  • cm3
  • ml

14. What is the name for the zone where actin does not overlap myosin?

  • H zone
  • A zone
  • Z line

15. Within which component are purkyne fibres found?

  • SAN
  • Bundle of his
  • Right ventricle

16. What substance attaches to a troponin molecule to initiate the filament sliding theory?

  • Ca2+
  • H+
  • Na+

17. When using a spirometer, what is used to absorb carbon dioxide from aerobic respiration?

  • Soda lime canister
  • Water
  • Medical grade H+

18. Which form of fibre has a higher level of myoglobin?

  • Slow twitch
  • Fast twitch