Which of the following describes a primary immune response?
A. It is a very rapid response.
B. It is carried out by memory cells.
C. It takes several weeks.
D. It requires re-exposure to an antigen.
E. It prevents a person from developing a disease from the antigen.
C. It takes several weeks.
A primary immune response takes several weeks to make memory cells that are later active in the secondary response.
Health Professions
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The checklist for backcountry work includes protective equipment for ____________ ____________, provisions for personal ____________ ____________, snacks, temporary ____________, ____________ lighter, and redundant ____________
Fill in the blank(s) with correct word
Health Professions
The most important factor in determining the respiratory rate is:
A) arterial pCO2. B) arterial pO2. C) alveolar pCO2. D) alveolar pO2.
Health Professions