If a vaccine is given to most people in a population, it can halt an infection because of
A. herd immunity.
B. people keeping away from each other.
C. bovine immunity.
D. an epidemic of autoimmunity.
Answer: A
You might also like to view...
In an aqueous solution, sodium ions would move toward
A) a negative terminal. B) a positive terminal. C) a pH terminal. D) an organic terminal. E) the bottom.
Where is radius of gyration located in relation to center of gravity (COG)?
A. closer to the axis B. further from the axis C. same distance from the axis D. need more information
Which of the following cells and their functions are correctly matched?
A) melanocytes ?protects cells in the stratum corneum from damaging effects of sun's rays B) keratinocytes ? provide sense of touch and pressure C) dendritic cells ? activate the immune system D) tactile cells ? protection
Which of the following will cause negative feedback inhibition of the HPA axis?
What will be an ideal response?