A 25-year-old woman has noticed that she has a high body temperature and has lost weight despite eating a lot of food. Which gland is most likely to be overactive?
A) thymus
B) parathyroid
C) thyroid
D) adrenal cortex
C
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Which hormone is transported to its target via the hypophyseal portal system?
A. Follicle-stimulating hormone (FSH) B. Anti-diuretic hormone (ADH) C. Thyrotropin-releasing hormone D. Adrenocorticotropic hormone E. Prolactin
The primary function of the pericardial sac is to
a. prevent excessive expansion of the heart as it fills with blood b. secrete a fluid that reduces friction as the heart beats c. serve as a reservoir for blood to be used during strenuous exercise d. provide oxygen and nutrients to the heart muscle e. catch and kill any bacteria in the blood flowing through the heart chambers
Your young child has a middle ear infection: otitis media. There is a build-up of fluid, bacteria, and white blood cells, or pus, inside of the middle ear chamber. Why has this affected the child's hearing?
A) The cochlear receptor cells cannot move. B) The bacterial infection has destroyed the otoliths. C) The round window cannot vibrate to dissipate pressure. D) The auditory ossicles cannot vibrate freely. E) The tympanum is destroyed.
The gap that separates the free margins of the upper and lower eyelids is the
A) cornea. B) palpebral fissure. C) conjunctiva. D) lacrimal punctum. E) medial angle of the eye.