What is another name for the autonomic nervous system?
A. Visceral sensory division
B. Visceral motor division
C. Somatic sensory division
D. Central nervous system
E. Somatic motor division
Answer: B
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Which are differences between cardiac muscle tissue and skeletal muscle tissue?a: The sarcoplasmic reticulum in cardiac muscle is less extensive.b: The sarcoplasmic reticulum in cardiac muscle is more organized.c: Cardiac muscle has intercalated discs; skeletal muscle does not.d: Cardiac muscle has 1 or 2 nuclei per cell; skeletal muscle has multiple nuclei per cell.e: Cardiac muscle has more well defined terminal cisternae.
A. b, d, e B. a, c, d C. b, c, e D. a, b, e E. a, c, e
The substance in muscle fiber cytoplasm that directly powers muscle contraction is ___________.
A) ATP. B) glucose. C) fatty acids. D) phosphocreatine.
An increase in cardiac sympathetic activity ____________________ the contractility of the ventricles
Fill in the blank(s) with correct word
What is the source of most of the parasympathetic innervation of the digestive tract?
A. Glossopharyngeal nerve B. Vagus nerve C. Enteric nerves D. Phrenic nerve E. Splanchnic nerves