Answer the following statements true (T) or false (F)
1. The force of muscle contraction is controlled by multiple motor unit summation or recruitment.
2. Eccentric contractions are more forceful than concentric contractions.
3. A motor neuron and all the muscle cells that it stimulates are referred to as a motor end plate.
4. Peristalsis is characteristic of smooth muscle.
5. A contraction in which the muscle does not shorten but its tension increases is called isometric.
1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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The anatomic term for the cheek is
A. buccal. B. pelvic. C. crural. D. cervical. E. sacral.
Sensory receptors include
A. interneurons. B. baroreceptors. C. motor neurons. D. Schwann cells.
Which body system would be most affected by a lower than normal atmospheric pressure?
What will be an ideal response?
Membrane-bound receptors
A. can interact with DNA in the nucleus. B. are small, lipid soluble molecules. C. have their receptor sites on the outer surface of the plasma membrane. D. do not exhibit specificity. E. have no effect on the cell.