EGC 6466 Exam 1 Fall Central Texas College

EGC 6466 Exam 1 Fall Central Texas College

Score for this quiz: 118 out of 120
Submitted Jul 29 at 7:12am
This attempt took 54 minutes.
Question 1
2 / 2 pts
The lung is innervated by the parasympathetic nervous system via which
nerve?
Correct!

Vagus

Phrenic

Brachial

Pectoral
Fibers of the parasympathetic division of the autonomic nervous system
(ANS) travel only in the vagus nerve to the lung.
Question 2
2 / 2 pts
What is the action of urodilatin?

Urodilatin causes vasoconstriction of afferent arterioles.

It causes vasodilation of the efferent arterioles.

Urodilatin inhibits antidiuretic hormone secretion.
Correct!

It inhibits salt and water reabsorption.
Urodilatin (a natriuretic peptide) inhibits sodium and water reabsorption
from the medullary part of collecting duct, thereby producing diuresis. It is
not involved in the actions described by the other options.
Question 3
2 / 2 pts
What is the direct action of atrial natriuretic hormone?

Sodium retention
Correct!

Sodium excretion

Water retention

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