Which of the following characteristics is/are most consistent with adaptive immunity?
A. constant response to each exposure
B. specificity
C. memory
D. increased response to second and subsequent exposures
E. specificity, memory and increased response to second and subsequent exposures
E
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In an EKG, the P wave is generated when the
A. atria depolarize. B. SA node initiates an impulse. C. atria repolarize. D. ventricles repolarize. E. ventricles depolarize.
The most prevalent antibody in blood and lymph is
A. IgA. B. IgC. C. IgD. D. IgE. E. IgG.
Some potassium ions are reabsorbed from the kidney filtrate via type A intercalated cells, a unique population of collecting duct cells
Indicate whether the statement is true or false
List the primary germ layers formed by gastrulation. What tissues will they form in the adult?
What will be an ideal response?