________ is the process of sloughing off the old functional layer of the endometrium
A) Menarche
B) Menstruation
C) Perimenopause
D) Menopause
E) Ovulation
Answer: B
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Activated helper T (TH) cells or cytotoxic T (TC) cell clones differentiate into:
A) memory B cells and memory T cells. B) effector cells and memory T cells. C) plasma cells and memory B cells. D) effector cells and plasma cells.
The sarcolemma
a. is the muscle cell plasma membrane b. provide a means of rapidly transmitting the action potential from the surface into the central portions of the muscle fiber. c. store ATP. d. run longitudinally between the myofibrils. e. have expanded lateral sacs.
The area of the urinary bladder bounded by the openings of the two ureters and the urethra is called the
A) trigone. B) rugae. C) vasa recta. D) detrusor muscle. E) lamina propria.
When a blood vessel is damaged, which of the following events occurs last?
A. Collagen is exposed. B. Platelets adhere to collagen. C. Platelets are activated. D. Platelets begin to stick to each other and form a plug. E. von Willebrand factor is produced.