Which of the following is a subpopulation of T cells?
A. Cytokinetic
B. Antitoxic
C. Antigenic
D. Basophilic
E. Cytotoxic
Answer: E
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Because the concentration of dissolved gases is different between the plasma and the tissue fluid __________.
a. CO2 will tend to diffuse from the plasma to the interstitial fluid, and O2 will tend to diffuse in the opposite direction b. O2 will tend to diffuse from the plasma to the interstitial fluid, and CO2 will tend to diffuse in the opposite direction c. both O2 and CO2 will tend to diffuse from the plasma to the interstitial fluid d. none of the listed responses is correct
The inferior mesenteric artery supplies blood to the
A. sigmoid colon. B. transverse colon, descending colon, sigmoid colon, and rectum. C. sigmoid colon and ascending colon. D. transverse colon and descending colon. E. transverse colon.
Which of the following extends from the urinary bladder to an external opening?
A. Trigone B. Urethra C. Ureters D. Hilum
What lymphoid tissue is located at the distal end of the small intestine, just before the opening to the large intestine?
A. Peyer's patches B. Tonsils C. Lymph nodes D. MALT