After birth, the ductus arteriosus constricts and becomes the ligamentum arteriosum
Indicate whether the statement is true or false
TRUE
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The pituitary gland
A. is inferior to the splenium. B. is the “master gland” of the body. C. is an endocrine gland, but it does not actually manufacture any hormones. D. None of the above E. All of the above
Most of the time whole muscles do not contract at full strength because
A) we tend not to need the full capabilities of our muscles. B) the muscle fibers will use up their energy reserves and the muscle will be forced to relax. C) commonly the load is only the weight of our own body. D) only a few motor units are recruited. E) All of the answers are correct.
A 100 dB sound (loud) of 150 Hz (low pitch) would cause which of the following to occur?
A. The basilar membrane to vibrate slightly near the base. B. The tectorial membrane to vibrate slightly near the apex. C. The tectorial membrane to vibrate vigorously near the base. D. The basilar membrane to vibrate vigorously near the apex.
Explain where the cell bodies of the preganglionic neuron and the postganglionic neuron are located in the autonomic motor pathway
What will be an ideal response?