Identify the three major types of T cells activated by class I MHC proteins
A) plasma T cells, memory T cells, and cytotoxic T cells
B) cytotoxic T cells, memory T cells, and regulatory T cells
C) memory T cells, regulatory T cells, and plasma T cells
D) NK T cells, cytotoxic T cells, and helper T cells
E) helper T cells, regulatory T cells, and memory T cells
Answer: B
You might also like to view...
Match the following stages of sleep with their descriptions:
A) Stage 2 B) Stage 1 C) Stage 3 D) REM E) Stage 4 1) The stage when vital signs (blood pressure, heart rate, and body temperature) reach their lowest normal levels. 2) Indicated by movement of the eyes under the lids; dreaming occurs. 3) Theta and delta waves begin to appear. 4) Very easy to awaken; EEG shows alpha waves; may even deny being asleep. 5) Typified by sleep spindles. 6) Begins about 90 minutes after the onset of sleep. 7) Necessary for emotional health; may be neural "debugging."
How much of the total body water content is in the intracellular compartment?
A. 50% B. 80% C. 67% D. 33%
Which statement explains why the predicated vital capacity varies with height?
A) Lung strength increases as height increases. B) Lung capacity is inversely proportional to height. C) Lung elasticity is inversely proportional to height. D) Lung volume increases as height increases.
Arielle is an 8-year-old with cystic fibrosis. For 30 minutes each morning and evening
parent holds her body in various positions and massages and kneads the areas over her lungs to dislodge the abundant, sticky mucus, which Arielle spits into a jar. She also takes medication - an enzyme - that thins the mucus. If she didn't take these measures, the mucus in her lungs would most likely increase her risk of A) infection. B) emphysema. C) cancer. D) asthma.