Which of the following occurs during micturition?
A) The detrusor muscles relax, muscles of the internal urethral sphincter contract, and muscles of the external urethral sphincter contract.
B) The detrusor muscles contract, muscles of the internal urethral sphincter relax, and muscles of the external urethral sphincter relax.
C) The detrusor muscles contract, muscles of the internal urethral sphincter contract, and muscles of the external urethral sphincter contract.
D) The detrusor muscles relax, muscles of the internal urethral sphincter contract, and muscles of the external urethral sphincter relax.
E) The detrusor muscles relax, muscles of the internal urethral sphincter relax, and muscles of the external urethral sphincter relax.
Answer: B) The detrusor muscles contract, muscles of the internal urethral sphincter relax, and muscles of the external urethral sphincter relax.
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A. skeletal muscle. B. loose connective tissue. C. smooth muscle. D. fibrous connective tissue. E. mucous membrane.
Which of the following situations could interfere with normal child birth?
A. small ischial spines B. a small pelvic outlet C. an enlarged iliac crest D. a wide, circular pelvic inlet E. widely spaced ischial spines
Which of these is (are) found in the medulla oblongata?
A) cardioregulatory center B) swallowing reflex center C) reflex centers for sneezing and coughing D) reflex center for vomiting E) all of these
Which of the following is NOT required to coordinate movement?
A. Hypothalamus B. Cerebellum C. Motor cortex D. Basal nuclei