HIV/AIDS and tuberculosis are both examples of current
A. outbreaks.
B. epidemics.
C. acute infections.
D. opportunistic infections.
E. pandemics.
Answer: E
You might also like to view...
Which of the following is the single most important stage when regulating gene expression?
a. translational regulation b. degradation of mRNA c. initiation of transcription d. RNA interference e. removal of masking segments
At an inhibitory synapse,
a. no transmitter substances are released by the sending cell. b. a transmitter substance produces changes in the receiving cell that drive the membrane potential away from threshold. c. no transmitter substance can bind to the receiving cell. d. a transmitter substance produces changes in the receiving cell that drive the membrane potential closer to threshold. e. a transmitter is degraded by an enzyme.
Which statement concerning pathogen-associated molecular patterns (PAMPS) is FALSE?
a. They are features of pathogens recognized by cells of animals. b. They trigger activation of phagocytes. c. They react with specific receptors on host cells. d. They are found on all microbes except viruses. e. The peptidoglycan of gram-positive bacteria is an example.
Action potentials are generated when ________ suddenly open
A) voltage-gated K+ channels B) voltage-gated Na+ channels C) resting K+ channels D) sodium-potassium pumps E) resting Na+ channels