Which type of activated T cells prevents a person from having the same disease twice?
A. Cytotoxic
B. Helper
C. Memory
D. NK
E. Macrophage
C. Memory
Memory T cells "remember" the pathogen that activated the original T cell. When a person is later exposed to the same pathogen, memory cells trigger an immune response.
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Which of the following statements regarding large-volume jet nebulizers is true?
a. Gas is brought down the siphon tube into the liquid. b. Lateral pressure increases around the air-entrainment ports. c. Baffling removes the larger particles from the generated aerosol. d. Inspiratory flow can be increased by clos-ing the air-entrainment ports.
NSAIDs are _______ and require massage considerations, including _______
a. Steroidal antiinflammatories; avoiding the area of injection b. Steroid-free anti-inflammatory drugs; using caution with deep pressure c. Narcotics; using stimulating techniques to invigorate the client d. Hypoglycemics; using caution not to cause bruising
Most oral tuberculous ulcers are believed to occur through which of the following mechanisms?
a. Direct mucosal infection from contact with an infected individual b. Seeding of mucosa by organisms traveling through the blood c. Seeding of mucosa by organisms traveling through the lymphatics d. Mucosal implantation of organisms from infected sputum e. None of the above
Why are ophthalmics compounded in laminar-airflow hoods?
To destroy spores For sterilization To maintain aseptic conditions All of the above