The most important muscle(s) of inspiration is (are) the:
a. diaphragm
b. external intercostals
c. abdominal muscles
d. both B and C above
a. diaphragm
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The muscle that elevates the tongue is the
A) genioglossus. B) hyoglossus. C) palatoglossus. D) styloglossus. E) digastric.
The nerve that innervates the deltoid muscle and receives sensory input from the superolateral lateral arm is the
A. axillary nerve. B. musculocutaneous nerve. C. median nerve. D. radial nerve. E. ulnar nerve.
The term "chemical element" refers to the most common isotope of that element.
Answer the following statement true (T) or false (F)
The hyperpolarization that occurs at the end of an action potential is due to the prolonged
A. open state of voltage-gated sodium channels. B. closure of chemically gated sodium channels. C. open state of voltage-gated potassium channels. D. closure of voltage-gated potassium channels. E. open state of chemically gated sodium channels.