Problem Set 6: The Respiratory System

The pH of the cerebrospinal fluid is monitored by which of these brainstem centers?

Central chemoreceptors

Emotional states are integrated by the __________, which generates an output that creates such respiratory variations as laughing and crying.

PRG

Activation of the sympathetic nervous system would have what effect on airway resistance in the bronchi?

decrease

A decrease in volume leads to a(n) ________ pressure.

increase in

People who live in cold climates (or people in Florida when it gets below about 40 degrees) often say that it's so cold outside that it takes their breath away. What system is invoking this response?

irritant receptors

Which of the following is the largest in diameter?

main bronchi

Which of the following processes does atmospheric pressure play a role in?

pulmonary ventilation

Gas flow decreases as ________ increases.

resistance

Which of the following is located in the pinky toe?

respiratory division of the respiratory system

What type of muscle tissue controls airway diameter?

smooth muscle