During which of following periods does the largest volume of blood enter the arteries?
a) atrial diastole
b) ventricular diastole
c) atrial systole
d) ventricular systole
d
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Answer the following statements true (T) or false (F)
1. Somatic sensory receptors receive information from the skin about touch, pain, and temperature. 2. Visceral sensory receptors receive information from internal organs. 3. Special sensory receptors receive information in the eyes, ears, nose, and mouth. 4. A somatic motor neuron controls skeletal muscle. 5. A somatic motor neuron controls smooth and cardiac muscles.
The process of sensation begins in a _____, which can be either a primary sensory neuron or a separate cell
a) sensory receptor cell. b) signal transducer cell. c) secondary sensory neuron. d) effector cell. e) association neuron.
Fast axonal transport is
A. passive and only occurs in the anterograde direction. B. passive and only occurs in the retrograde direction. C. active (requires ATP) and only occurs in the anterograde direction. D. active (requires ATP) and only occurs in the retrograde direction. E. active (requires ATP) and can occur in either the anterograde or retrograde direction.
The purines found in DNA are ________ and ________
A) cytosine; guanine B) adenine; guanine C) thymine; cytosine D) adenine; cytosine E) thymine; guanine