Which respiratory-associated muscles would contract or relax during forced expiration, for example blowing up a balloon?
A) external intercostals would contract and diaphragm would relax
B) internal intercostals and abdominal muscles would contract
C) diaphragm contracts, internal intercostals would relax
D) diaphragm would contract, external intercostals would relax
Answer: B) internal intercostals and abdominal muscles would contract
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Which of the following hormones is secreted by the pars intermedia?
A) ADH B) MSH C) OT D) None of the listed responses is correct.
Cerebrospinal fluid is found ________.
A. within the olfactory bulbs B. within the ventricles C. within the central canal D. Both within the central canal and within the ventricles.
A sarcomere extends from
A. the M line to the next M line. B. the H zone to the I band. C. one Z disk to an adjacent Z disk. D. the middle of the I band to the middle of the A band. E. one T tubule to the next T tubule.
The muscle that makes up the heart is:
a. cardiac muscle b. voluntary muscle c. involuntary muscle d. smooth muscle