A young man is experiencing fever and severe headaches, and is having difficulty staying awake. He reports having spent time in Africa on a missionary trip several months ago. Recently he spent time in a park where he went swimming in the lake and was
bitten by a bat he attempted to catch. His cerebrospinal fluid is nearly clear, and contains long, slender, mobile cells. This description indicates infection with
A) Acanthamoeba.
B) an enterovirus.
C) rabies virus.
D) Neisseria meningitidis.
E) Trypanosoma brucei.
E
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Endospores are
A. resistant to destruction by radiation. B. metabolically inactive. C. resistant to heat and chemical treatments. D. living structures. E. All of the choices are correct.
Companion cell assisted loading of organic
compounds is indicated at a. A. b. B. c. C. d. D. e. E.
Allergic patients receiving small, controlled injections of specific allergens are undergoing ________.
A. degranulation B. desensitization C. tissue matching D. sensitization
If you were to think of the cell as a car, and mitosis as a process that drives that car to go, what would be a good analogy for a cell that has a mutation in both copies of a tumor-suppressor gene?
A. The gas pedal of a car gets stuck while pushed down. B. The brake pedal of a car gets stuck while pushed down. C. The brake pedal of a car does not work at all. D. The gas pedal of a car does not work at all.