Sympathetic Stimulation of Terminal Bronchioles Causes

question 4

Multiple Choice

Sympathetic stimulation of terminal bronchioles causes

• A) bronchoconstriction.
• B) a decrease in blood supply to the bronchioles.
• C) bronchodilation.
• D) secretion of less surfactant.

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Definitions:

Endodermis

The innermost layer of cells in the cortex of a plant root, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.

Sieve Tube

Sugar-conducting tube of phloem; consists of stacked sieve elements.

Pressure Gradients

A physical quantity that represents the direction and rate at which pressure changes in a particular direction.

Evaporation

The process by which water changes from a liquid to a vapor or gas, a key component of the Earth's water cycle.