Most of the absorbed nutrients enter into which blood vessel?
A) aorta
B) superior mesenteric artery
C) hepatic artery
D) hepatic portal vein
E) inferior vena cava
Answer: D
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Glycosuria:
a. is a sign of diabetes mellitus b. refers to glucose in the urine c. occurs because the amount of glucose in the filtrate is more than the nephron can reabsorb d. all of the above
Gray matter refers to regions of the central nervous system composed primarily of densely packed cell bodies, whereas white matter consists of bundles of myelinated nerve fibers
Indicate whether the statement is true or false
Positive selection of lymphocytes refers to the
A. processing of an antigen by a macrophage. B. proliferation of natural killer cells. C. production of antigen-specific antibodies. D. survival of pre-B and pre-T cells that are capable of an immune response. E. replication of memory cells.
Which diagnostic test allows internal visualization of a developing fetus during gestation?
A. Colposcopy B. Ultrasound C. Mammogram D. Pap smear