Which of the following cells mainly target cancer cells?
A. Macrophages and lymphocytes
B. T cells
C. B cells
D. Monokines
E. Natural killer (NK) cells
E. Natural killer (NK) cells
Natural killer cells primarily target cancer cells, but they also protect the body against many types of pathogens.
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An organism that grows on media incubated in carbon dioxide but not in ambient air or anaerobically is considered
A) microaerophilic. B) a facultative anaerobe. C) capnophilic. D) an obligate aerobe.
The type of permanent pacemaker where the lead wire is inserted into the right ventricle is a(n) ________ pacemaker.
A. ventricular B. AV sequential C. atrial D. septal
The physician ordered furosemide 120 mg IV stat. This medication is available as 10 mg/mL. The IV infusion is not to exceed 40 mg/min. How many minutes will be needed to administer the medication?
2 min 3 min 4 min 5 min
What kind of agent is anthrax?
a. biological b. pulmonary c. nerve d. metabolic