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Questions and Answers
Smooth muscle is found in which regions of the body?
Smooth muscle is found in which regions of the body?
- Only in blood vessels and airways
- Only in the GI tract
- All over the body (correct)
- Only in the male reproductive tract
Which of the following is NOT a function of smooth muscle?
Which of the following is NOT a function of smooth muscle?
- Regulating blood and airflow
- Regulating lens shape
- Mixing and propelling food and secretions through the GI tract
- Regulating pupil diameter (correct)
Unlike skeletal muscle, smooth muscle contraction is regulated by which of the following?
Unlike skeletal muscle, smooth muscle contraction is regulated by which of the following?
- Activation of motoneuron via acetylcholine release
- Electrical signals, chemicals, hormones, and drugs (correct)
- Expression of receptors for chemicals and hormones
- Innervation from the autonomic nervous system
