On day 14 of a typical 28-day menstrual cycle, LH concentration in the blood will be ________. The endometrium will be ________. Estrogen concentration in the blood is ________.
A. at or near a peak; in the secretory phase; low
B. level; starting the proliferative phase; level but high
C. at or near a peak; near the end of the proliferative phase; relatively high
D. level; sloughing off; low
E. low but rising; in the secretory phase; high
Answer: C
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During routine bloodwork, Mary's doctor noticed significant leukocytosis. He is concerned she might have
A) pernicious anemia. B) sickle cell anemia. C) thalassemia. D) leukemia. E) leukopenia.
When a person displays a "startle response," i.e., blinking and/or flinching at bright lights or loud noises, what neurological region is responsible?
A) vestibular nuclei B) reticulospinal tracts C) cerebral nuclei D) tectospinal tract E) rubrospinal tracts
Of the following muscle types, which one is usually under voluntary control?
A) skeletal muscle B) cardiac muscle C) smooth muscle D) None of the above.
The electron transport system refers to oxidative phosphorylation using the coenzymes FADH2 and ________.
Fill in the blank(s) with the appropriate word(s).