Which of the following cells begins the defensive response against a specific antigen?
A. Memory cells
B. B lymphocytes
C. Basophils
D. Helper T cells
E. Neutrophils
Answer: D
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A/An ____________________ is the protrusion of a muscle through a tear in the fascia surrounding it
Fill in the blank(s) with correct word
Which of the following statements about sun exposure is FALSE?
A. The risk of cancer from sun exposure with melanoma appears to be related to timing and number of sunburns. B. Certain regions of the world have higher risk of skin cancers due to equatorial positioning. C. Sunburns during adulthood seem to be the most strongly associated with melanoma. D. The risk of cancer from sun exposure for basal and squamous cell cancer is cumulative.
Aspirin is a well-known ________.
Fill in the blank(s) with the appropriate word(s).
What is the prefrontal cortex and how is it affected by stress?