The maximum rate of contraction in normal cardiac muscle fibers is approximately ________ per minute.
A) 80
B) 140
C) 200
D) 250
E) 300+
C) 200
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Which of the following hormones is/are water soluble and therefore bind(s) to extracellular receptors?
A) insulin B) epinephrine C) cortisol D) calcitriol E) insulin and epinephrine
Blood volume restorers include all of the following except ________.
A) dextran B) albumin C) packed cells D) saline solutions
Adrenal androgens are
a. normally secreted only in males, whereas adrenal estrogens are secreted in females b. normally secreted in both males and females, but in insufficient amounts to cause masculinization c. responsible for the female sex drive d. both a and c e. both b and c
The ________ is absent from most epidermis
A) stratum granulosum B) stratum spinosum C) stratum corneum D) stratum basale E) stratum lucidum