Systemic (body-wide) acute allergic response caused by allergens that directly enter the blood, as with certain bee stings or spider bites, is called ________
A) myasthenia gravis
B) rheumatic fever
C) anaphylactic shock
D) delayed hypersensitivity
C
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Cellular immunity uses MHC-I and MHC-II, but humoral immunity uses only MHC-II.
Answer the following statement true (T) or false (F)
The vessel that receives most of the blood from organs inferior to the diaphragm is the
A) internal iliac vein. B) external iliac vein. C) superior vena cava. D) inferior vena cava. E) common iliac vein.
In the figure showing an anterior view of the arteries, what does the number 4 indicate?
A. Superior mesenteric artery B. Left common carotid artery C. Celiac trunk D. External carotid artery E. Left internal carotid artery
The villi are most developed in the
A) stomach. B) duodenum. C) jejunum. D) gallbladder. E) cecum.