Which one of the following is NOT associated with the right atrium?
A. pectinate muscles
B. trabeculae carneae
C. SA node
D. AV node
Answer: B. trabeculae carneae
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Which of the following is TRUE of the adrenal medulla?
A. It dilutes stimuli from the sympathetic nervous system. B. It guards against the "fight-or-flight" response. C. It suppresses epinephrine production. D. Cells of the adrenal medulla receive the neurotransmitter norepinephrine.
The basis of using proteomics to describe tissues is that
A) all cells produce the same amounts of the same proteins. B) different cell types produce different sets of mRNAs. C) different cell types produce different sets of tRNAs. D) the genetic code is universal.
Which of these vessels would blood from the cranial vault NOT pass through as it returned to the heart?
A. external jugular veins B. internal jugular veins C. subclavian veins D. brachiocephalic veins E. neither external jugular veins nor subclavian veins.
The motor pathway of the autonomic nervous system usually involves ________ neurons
A) three B) four C) no D) two E) one