The epidermal layer whose cells have stopped dividing and started to produce large amounts of keratin is the
A) stratum corneum.
B) stratum lucidum.
C) stratum basale.
D) stratum granulosum.
E) stratum spinosum.
D) stratum granulosum.
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During the process of implantation, the enzymes released from the ________ enable the blastocysts to penetrate the endometrium.
A. acrosomes of sperm B. uterus C. trophoblast D. placenta
Which of the following arteries branches directly from the aortic arch?
A. brachiocephalic artery B. coronary artery C. pulmonary artery D. right subclavian artery E. right common carotid artery
What occurs because of increased capillary permeability at the site of inflammation?
A. Increased pressure from fluid causes pain. B. Escaped fluids cause swelling. C. Clotting factors move into tissues. D. All apply.
Under resting conditions, the normal stroke volume is approximately ___________
A. 55 mL B. 70 mL C. 110 mL D. 125 mL E. 180 mL