Exam 2 Clicker Questions

Question 1

Interstitial cells of Cajal are associated with which of the following functions?

Answer 1

Pacemaker activity of smooth muscle cells

Question 2

The voluntary stage of swallowing ends at which of the following locations?

Answer 2

Pharynx

Question 3

Which of the following sequences is correct with regard to the sequence of layers making up the gut wall from inside toward the outside (note, not all layers are included).

Answer 3

Mucosa, Lamina propria, submucosa, circular muscle layer

Question 4

T/F: The submucosal plexus (Meissner’s) is primarily responsible for regulating intestinal smooth muscle.

Answer 4

False

Question 5

T/F: In the smooth musculature of the gut wall, spike waves occur automatically when the resting membrane potential of the smooth muscle becomes more positive than -40mV.

Answer 5

True