Why is placenta previa dangerous?
A. It produces widespread vascular spasms.
B. It increases blood clotting.
C. It prevents the birth of the infant before the placenta.
D. It causes hypertension.
Answer: C
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Hydrophobic hormones are transported in the blood
a. by binding to hydrophilic transport proteins. b. in the form of hydrophilic salts. c. contained in secretory vesicles. d. by binding to the red blood cells. e. as hydrophilic preprohormones.
The cells of the retina in which action potentials are generated are the ________
A) amacrine cells B) ganglion cells C) rods and cones D) bipolar cells
What layer of the skin contains the cold thermoreceptors?
a) Stratum lucidum b) Dermis c) Stratum basale d) Stratum corneum e) Hypodermis
The skin is sometimes referred to as the
A) cutaneous membrane. B) mucous membrane. C) serous membrane. D) synovial membrane. E) peritoneal membrane.