How does a vaccination help to prevent a disease?
A. It generates a population of B memory
cells that will speed up response to an actual
infection.
B. It reduces the severity of symptoms to a
disease.
C. It established defenses that prevent a
pathogen from returning to the body.
D. It generates a population of plasma cells
that increase the concentration of antibody in
the bloodstream.
A
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Which antimicrobial susceptibility testing method uses a series of plates with different antimi-crobial concentrations inoculated with multiple bacterial isolates per plate?
a. Agar dilution b. Automated broth dilution c. Disk Diffusion d. E-test
Why might Neanderthals have been more affected by changes in food sources that H. Sapiens?
a. Neanderthals were primarily meat eaters. b. Neanderthals had no ability to store food. c. Neanderthals had no tools with which to process food. d. Neanderthals could digest a limited number of proteins. e. Neanderthals required a greater number of essential amino acids.
Most vessels that feed abdominal organs are branches off the ____
a. ascending aorta b. abdominal aorta c. thoracic aorta d. superior vena cava e. inferior vena cava
What is the probability of rolling two six-sided dice and obtaining two 4's?
What will be an ideal response?