A tactile receptor composed of highly coiled dendrites that are surrounded by modified Schwann cells and a fibrous capsule is a
A) lamellar corpuscle.
B) Ruffini corpuscle.
C) tactile (Meissner) corpuscle.
D) tactile (Merkel) disc.
E) root hair plexus.
Answer: C
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The AV node delay is beneficial because
A) it allows time for the atria to contract. B) it allows time for the ventricles to contract. C) it allows time to send feedback to the brain about heartrate. D) it decreases neural stimulation of the heart. E) it hyperpolarizes the ventricular cell membranes.
The __________ division carries signals to the smooth muscle in the large intestine.
A. visceral sensory B. somatic sensory C. visceral motor D. somatic motor E. afferent
Antidiuretic hormone increases water reabsorption by increasing the permeability of the distal tubule and collecting duct to water.
a. true b. false
What kind of effect do hormones have if they produce different but complementary effects?
A) antagonistic effects B) additive effects C) permissive effects D) integrative effects