Which would be more affected by a lack of memory B cells and memory T cells: the primary response or the secondary response?
A) The primary response because memory cells are produced during the initial response to an antigen.
B) The secondary response because memory cells are produced during the initial response to an antigen.
Answer: B
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The changes that occur in a woman's body at menopause are due to
A. reduced levels of estrogen and progesterone. B. depletion of oocyte supply. C. fluid retention that disrupts the osmotic balance of the body. D. increased production of androgens by the adrenal gland. E. reduced frequency of sexual activity.
Which plexus is formed from the ventral rami of nerves L4 to S4?
A. Brachial B. Cervical C. Pelvic D. Sacral E. Lumbar
Connective tissues contain abundant cells that are on contact with one another.
Answer the following statement true (T) or false (F)
If the ET tube is placed in the trachea properly, the colorimetric paper inside the ETCO2 detector should:
A) not change colors. B) turn yellow during inhalation. C) turn yellow during exhalation. D) remain purple during ventilations.