Module Quizzes:

Question 1

Activation of post-synaptic adrenergic receptors (alpha 1 receptors) by sympathetic nerve variscoties results in which of the following?

Answer 1

increased vasoconstriction

Question 2

Which of the following will lead to an increase in mean arterial pressure?

Answer 2

increased total peripheral resistance

Question 3

Which of the following statements regarding the enteric nervous system is INCORRECT?

Answer 3

is it not influenced by the sympathetic or parasympathetic nervous system

Question 4

Which of the following is a NOT a positive chronotropic agent ?

Answer 4

increased plasma K+

Question 5

Which of the following inhibits venous return?

Answer 5

gravity

Question 6

Which of the following is NOT considered to be important in voluntary defacation?

Answer 6

a decrease in the activity of sympathetic nerves supplying the wall of the lower intestine

Question 7

The central ischaemic response is important the response to major haemorrhage. The cerebral reflex itself involves

Answer 7

low blood perfusion of the cardioavascular centre

Question 8

Baroreceptors in the carotid sinus

Answer 8

are in an appropriate position to protect the brain form changes in pressure

Question 9

Which one of these statements about the sympathetic division of the autonomic nervous system is CORRECT?

Answer 9

Ganglia are located relatively close to the central nervous system

Question 10

Which of the following is NOT a cause of oedema?

Answer 10

increased oncotic pressure in plasma