Which of the following statements concerning tumor necrosis factors (TNF) is FALSE?
a. TNF can be secreted by macrophages.
b. TNF may stimulate the inflammatory response.
c. The release of large amounts of TNF brings down a high fever.
d. TNF kills cancer cells.
e. TNF can be secreted by lymphocytes.
c
You might also like to view...
An organ is defined as
a. a single tissue grouped together to perform a specific function. b. 2 or more tissues in specific proportions grouped together to perform a specific function. c. cells of different tissues linked together by the circulatory system to allow multiple functions. d. only the reproductive parts in plants. e. none of these.
Gymnosperms were the dominant form of plant life on land:
A) before ferns evolved. B) about 20 million years ago. C) around the time the dinosaurs came to dominance. D) until the discovery of fire by humans.
If a woman is infected with Zika virus during pregnancy, her baby may be infected by the (parenteral/placental/mucous membrane) route.
Fill in the blank(s) with the appropriate word(s).
You are a professor supervising first year medical students. One student is examining the adrenal gland of his cadaver. "Wow!" he exclaims, "This person must have had an endocrine problem. Their adrenal gland lacks any kind of duct connecting it to the bloodstream. The hormones could only have oozed out." How do you respond?
A. "That makes their adrenal gland similar to an exocrine organ." B. "Look carefully and you will see the nerves that transport the hormones into the bloodstream." C. "That's normal. The hormones ooze out and diffuse into nearby capillaries, which is why endocrine glands are sometimes called 'ductless glands'." D. "Do you see signs of adrenal insufficiency, such as low fat stores or muscle degeneration?"