A buffer is ________
A) a substance that stabilizes pH
B) a protein that catalyzes a faster chemical reaction
C) a string of multiple peptides
D) a molecule that hydrolyzes sugar molecules
Answer: A
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In relationship to the diaphysis of a long bone, the osteons are
A) radial. B) anterior. C) parallel. D) proximal. E) diagonal.
The effect of pH on hemoglobin saturation is known as the
A) Bainbridge reflex. B) Bohr effect. C) pulmonary reflex. D) respiratory effect. E) Hering-Breuer reflex.
Extrinsic control of arteriolar radius is
a. accomplished primarily by the sympathetic nervous system b. important in the regulation of arterial blood pressure c. sometimes overridden by local adjustments d. all of the above e. only a and b
In varicocele, the veins of the spermatic cord become dilated, reducing testicular flow. What is a possible implication that may follow?
A. Increased muscle mass B. Excessive testosterone, known as hypertestosteronemia C. Infertility D. Increased body hair