Which of these is NOT a nerve of the brachial plexus?
A) musculocutaneous nerve
B) radial nerve
C) ulnar nerve
D) median nerve
E) phrenic nerve
E
Explanation:
A) The phrenic nerve originates from the cervical region.
B) The phrenic nerve originates from the cervical region.
C) The phrenic nerve originates from the cervical region.
D) The phrenic nerve originates from the cervical region.
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The primary immune response ________.
A) occurs more rapidly and is stronger than the secondary response B) occurs when memory cells are stimulated C) is another name for immunological memory D) has a lag period while B cells proliferate and differentiate into plasma cells
Which of the following events would cause a decrease in mean arterial blood pressure?
A. Constriction of blood vessels in the skin B. An increase in ADH production C. Release of atrial natriuretic factor D. An increase in aldosterone production E. Activation of the renin-angiotensin mechanism
The spongy tissue of the penis fills with blood during sexual excitement and causes the penis to enlarge and become rigid during ________
A) erection B) circumcision C) ejaculation D) emission E) parturition
Most preganglionic fibers synapse with postganglionic fibers in the dorsal root ganglia
Indicate whether the statement is true or false