In order for a lymphocyte to respond to an antigen, the antigen must
A) be phagocytized by the lymphocyte.
B) enter the cytoplasm of the lymphocyte.
C) bind to the DNA of the lymphocyte.
D) bind to specific receptors on the lymphocyte surface.
E) depolarize the lymphocyte.
D
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Abnormal jumpy eye movements that may appear after brain stem or inner ear damage are called
A) tinnitus. B) vertigo. C) strabismus. D) nystagmus. E) trismus.
A phospholipid differs structurally from a triglyceride in that it has three phosphate
groups attached to the glycerol molecule rather than three fatty acid chains. Indicate whether the statement is true or false
Excessive urination at night is ______________
Fill in the blank(s) with correct word
Because of an inflammatory bowel disease (Crohn's disease) and a small bowel obstruction leading to bowel ischemia, an elderly woman requires bypass of her ileum and jejunum and is scheduled for a gastrocolostomy. The surgeon will ligate all arteries that send branches to the stomach. Which of the following arteries may be spared?
(A) Splenic artery (B) Gastroduodenal artery (C) Inferior pancreaticoduodenal artery (D) Left gastroepiploic artery (E) Proper hepatic artery