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) Bulbous corpuscle.
C) tactile (Meissner) corpuscle.
D) tactile (Merkel) disc.
E) root hair plexus.
C
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A doctor places drops in the eyes to dilate the pupils for an examination. The type of drug that is used is a(n) ________ drug. 1. sympathomimetic 2. parasympathomimetic 3. adrenergic activating 4. cholinergic activating
A) 1, 2 B) 3 C) 4 D) 1, 3 E) 2, 4
Neurons may be classified according to several characteristics. Which of the following is correct?
A) Group A fibers are mostly somatic sensory and motor and are the smallest in diameter. B) Group B fibers are highly myelinated and have the highest conduction velocities. C) Group C fibers are not capable of saltatory conduction. D) A small cross-sectional area allows shorter conduction times.
Pain from the diaphragm will be referred to the anterior cutaneous area of the ________.
Fill in the blank(s) with the appropriate word(s).
The primary function of the distal convoluted tubule is
A) filtration. B) reabsorption. C) increased retention of sodium ions. D) secretion. E) None of the answers are correct.