Which of the following vitamins is mismatched with its function?
A. Folate - synthesis of clotting factors
B. Vitamin C - collagen synthesis
C. Vitamin A - rhodopsin synthesis
D. Vitamin B12 - red blood cell production
E. Vitamin D - bone growth
Answer: A
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The segment of the nephron between the proximal and distal tubules that loops down into the medulla of the kidney and returns back to the cortex is called the ________.
A) collecting duct B) vasa recta C) loop of Henle D) Bowman's capsule E) minor calyx
Which of the following is a gastrointestinal hormone that increases the rate of bile secretion by the liver?
A) cholecystokinin B) gastrin C) gastric inhibitory peptide D) pepsin E) secretion
During normal, quiet breathing, inspirations last longer than expirations.
Answer the following statement true (T) or false (F)
The flexor (withdrawal) reflex employs a ________, which maintains a sustained contraction.
A. closed circuit B. converging circuit C. diverging circuit D. parallel after-discharge circuit E. reverberating circuit