Which of the following statements is false regarding CD8 T cells?
a. CD8 T cells have only one effector function, which is cytotoxicity.
b. Compared with naive CD4 T cells, naive CD8 T cells have more stringent requirements for co-stimulatory activity.
c. Effector CD8 cells require co-stimulation to kill their target cells.
d. The most potent antigen-presenting cell for naive CD8 T cells is the dendritic cell.
C
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Which of the following are benefits of drug treatment?
A. Less expensive than incarceration B. Illicit drug use is reduced C. Criminal activity declines D. All of these are correct
A pus-like secretion from the penis and painful urination in men are symptoms of which STI?
A. Gonorrhea B. Genital herpes C. Syphilis D. Chlamydia E. Trichomoniasis
What are the two techniques used to protect the privacy of program participants?
A) Confidentiality and anonymity B) Informed consent and justice C) Honesty and anonymity D) Nonmaleficence and beneficence
The most accurate method of determining blood alcohol concentration is
A) urinalysis. B) breath analysis. C) blood analysis. D) saliva analysis.