You are a famous endocrinologist and are presented with a case in which a genetically determined male (XY) exhibits secondary female characteristics, including breast development and lack of facial hair growth
What may you hypothesize about this patient? A) He may lack receptors for testosterone.
B) He may have a tumor in his testes causing an overproduction of testosterone.
C) He may be abusing steroids.
D) He may actually be perfectly healthy and normal.
A
You might also like to view...
Which most completely describes the circumstances under which yarrow will alter its phenotype?
A. Temperature, soil conditions, and water conditions B. Soil conditions only C. Being produced by sexual versus asexual reproduction D. Water conditions only E. Asexual reproduction, soil conditions, and water conditions
The easiest way to prevent Taenia infection in humans is to
A) vaccinate cows and pigs. B) vaccinate humans who are in contact with cows and pigs. C) spray pastures and grazing lands with toxins that kill the parasite. D) thoroughly cook or freeze meat. E) identify patients with cysticerci in their muscles.
What is the order of the five stages of infectious disease?
A) incubation period, acute phase, prodromal phase, convalescent phase, period of decline B) prodromal phase, acute phase, incubation period, period of decline, convalescent phase C) acute phase, prodromal phase, incubation period, convalescent phase, period of decline D) incubation period, prodromal phase, acute phase, period of decline, convalescent phase E) acute phase, incubation period, prodromal phase, convalescent phase, period of decline
When a chlorophyll molecule absorbs light, which excites an electron, the chlorophyll molecule:
A) releases kinetic energy. B) gains potential energy. C) releases a photon. D) returns to its resting state. E) reflects the photon.