Immediately after ovulation, estrogen and progesterone are secreted by the ______.
A. developing follicle
B. corpus albicans
C. corpus luteum
D. endometrium
Answer: C. corpus luteum
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The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated ________.
A) by high temperatures B) when the air temperature drops C) by hormones, especially androgens D) as a protective coating when one is swimming
Which of the following is least related to the juxtaglomerular apparatus?
a. filtration slit b. tubuloglomerular feedback c. macula densa d. granular cells e. renin
Which muscle everts and plantar flexes the foot?
A. Soleus B. Extensor hallicus longus C. Extensor digitorum longus D. Tibialis anterior E. Fibularis brevis
Facial muscles are unusual in that they
A. represent a combination of first-class and second-class lever systems. B. insert and sometimes originate on skin and connective tissue. C. are smooth muscles rather than skeletal muscles. D. are not involved in movement. E. are not involved in facial expression.