Menarche refers to
A. the end of the menstrual cycle.
B. an increase in the sexual drive.
C. monthly ovulation.
D. the first episode of menstrual bleeding.
E. enlargement of the breasts.
Answer: D
You might also like to view...
The events leading to skeletal muscle contraction are initiated by the neurotransmitter __________.
Fill in the blank(s) with the appropriate word(s).
Simple mastectomy for breast cancer involves removal of:
A) all breast tissue and the underlying muscles. B) the nipple and areola. C) only one breast quadrant. D) all breast tissue superficial to the retromammary space. E) all of the lymph nodes that drain the breast.
The duration of the action potential is ________ in contractile myocardium, ________ in autorhythmic contractile, and ________ in skeletal muscle.
Fill in the blank(s) with the appropriate word(s).
In ________, a primary oocyte divides to form a polar body and a secondary oocyte.
A. meiosis I B. mitosis C. meiosis II D. ovulation