What is a primary reason that the normal immune response fails to contain the HIV infection
a. CD4+ T cells become infected with HIV and are destroyed
b. the virus inactivates B cells, preventing the production of HIV antibodies
c. natural killer cells are destroyed by the virus before the immune system can be activated
d. monocytes ingest infected cells, differentiate into macrophages, and shed viruses in body tissues
a. CD4+ T cells become infected with HIV and are destroyed
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Which teaching strategy is typically most effective for presenting information to large groups?
1) Distributing printed materials 2) Lecturing using audiovisual format 3) Human patient simulation 4) Using computer-assisted instruction (CAI)
A data set shows that the mean, median, and mode are the same. This means which of the following? (Select all that apply.)
a. The distribution is bimodal. b. The data are normally distributed. c. The variables are dichotomous. d. All data points are identical. e. The kurtosis is symmetrical. f. This may describe the normal curve.
There are specific mixed method designs in the Creswell–Plano Clark taxonomy. What does (QUAN ? qual or quan ? QUAL) represent?
A) Triangulation B) Embedded C) Explanatory D) Exploratory
Two patients, an African-American agnostic man and a Caucasian Baptist woman, are both diagnosed with schizophrenia, paranoid type. Both patients are 42 years old and live at the poverty level
The age of onset for the illness was 21 years in the male patient and 41 years in the female patient. What sociocultural factor accounts for the male patient's less favorable prognosis? a. His religious belief system b. Caucasian Americans are more amenable to treatment. c. Males living in poverty receive less social support than women living in poverty. d. He had an earlier onset of illness that has resulted in his longer course of illness.