______________ carries blood directly to the liver
A. A biochemical pathway
B. Renal portal circulation
C. Hepatic portal circulation
D. Lymphatic portal circulation
c
Rationale: Hepatic portal circulation carries blood
directly to the liver. The other choices are incorrect
because biochemical pathways do not refer specifically to the liver, "renal" refers to the kidneys, and "lymphatic" refers to the lymph nodes and lymphatic system.
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A. keloid B. necrotizing fasciitis C. pressure sore D. felon
After concentration of stool, only an iodine wet preparation is examined because
A) saline interferes with the reagents used for concentration. B) saline does not provide enough contrast for detection of parasites. C) the parasites are dead and no longer exhibit motility. D) saline distorts the parasites present.
Organic compounds essential to life are ____
A) proteins B) minerals C) vitamins D) carbohydrates
Why are the definitions of the systems of speech primarily a convenience for discussing speech science?