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6. Which of the following most accurately describes C fibres?
- Very abundant, small diameter, slow conducting (unmyelinated) & respond at low threshold
- Very abundant, small diameter, slow conducting (myelinated) & respond at high threshold
- Very abundant, small diameter, slow conducting (unmyelinated) & respond at high threshold
- Not very abundant, small diameter, slow conducting (unmyelinated) & respond at high threshold
7. What is pulse pressure?
- The blood pressure if measured at pulse points (~130/90mmHg)
- The difference between systolic BP and diastolic BP (~40mmHg)
- Arterial systolic blood pressure minus resistance encountered at pulse points (~100mmHg)
- (Diastolic BP + Systolic BP) / 2
8. What is the WHO's definition of hypertension?
- A rise in arterial blood pressure without changes in cardiac output
- A rise in arterial blood pressure without changes in contractility
- A rise in arterial blood pressure without changes in stroke volume
- A rise in arterial blood pressure without changes in preload
9. Which of the following states the most important reason why arterial blood pressure is so tightly regulated?
- ABP is the driving force of afterload
- ABP is the driving force of tissue perfusion
- ABP is required to give the heart something to do
- ABP is necessary to keep the heart pumping
10. What is mean arterial pressure (MAP)?
- Diastolic BP + 1/3 pulse pressure
- (Systolic BP - Diastolic BP) / 2
- (Diastolic BP + Systolic BP) / 2
- Systolic BP - 1/2 pulse pressure
11. What is blood pressure?
- The pressure that is exerted by the heart on the body during a single cardiac cycle
- The pressure of blood in the aorta during systole and diastole
- The pressure that blood exerts on the heart during one beat
- The pressure that the body exerts on the capilleries during a single cardiac cycle
12. WHich of the following is true during exercise?
- Cardiac output increases & peripheral resistance decreases
- Cardiac output decreases & peripheral resistance increases
- Cardiac output decreases & peripheral resistance decreases
- Cardiac output increases & peripheral resistance increases
13. What is the textbook value for an adult male's arterial blood pressure?
- 120/80 mmHg
- 110/70 mmHg
- 130/90 mmHg
- 100/60 mmHg
14. True or false: Hypertension is primarily a disease of peripheral resistance?
15. Where are bodily baroreceptors located?
- Aortic arch & carotid sinus
- Sinoatrial node & atrioventricular node
- Femoral artery & pulmonary sinus
- Purkinje fibres & jugular node
16. True or false: Blood pressure is an example of a continuous variable?
17. True or false: During vigorous dynamic exercise, the body's systolic BP increases and diastolic BP decreases?
18. A genetic lack of glutathione-s-transferase could cause primary hypertension. What is the role of glutathione-s-transferase?
- It oxidises vitamin C to form antioxidase, an enzyme that has antioxidant properties
- It reduces glutathione to glucose in order to maintain blood glucose levels
- It's a powerful reducing agent and is used to 'mop up' free radicals in the body
- It transfers an amine group onto glucose to form glycogen for storage purposes
19. Does blood pressure increase with the menopause?
20. Which of the following can happen if blood pressure falls too low?
- Pre-renal failure
- Pulmonary hypertension
- Pulmonary oedema
- Cystitis