Chapter 12: HIV Disease and AIDS

Chapter 12: HIV Disease and AIDS

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. An effective HIV vaccine is difficult to produce, primarily because

ANS:  C

The variability between strains of HIV and the frequency of mutations makes it difficult to produce a vaccine. HIV infection does not overwhelm the immune system, because it is an immune deficiency. Research is still being conducted to develop a vaccine. Researchers are testing cloned T-cells for response to new therapies. Reverse transcriptase is not proven to adhere to the vaccine.

REF:   Pg. 254

2. An HIV-positive patient is hospitalized for evaluation of symptoms of progressive weakness, dyspnea, weight loss, and low-grade fever. A biopsy of lung tissue reveals Pneumocystis carinii pneumonia. This diagnosis means that the patient

ANS:  A

Pneumocystis carinii pneumonia (PCP) is a common initial opportunistic infection in HIV and is an AIDS-defining diagnosis. A diagnosis of PCP is not associated with a life-expectancy of 2 years or less. PCP is treated with antibiotic therapy. PCP is a pulmonary manifestation of AIDS, which is not associated with intravenous drug abuse.

REF:   Pg. 247

3. The immune system disorder associated with HIV is

ANS:  C

HIV has been identified as a type of retrovirus associated with a disorder of the T-helper lymphocytes. T-cells have an interaction with B-cells, but this relationship is not associated with HIV. Immature blast cells are not the deficiency that contributes to HIV. Cancerous growths of lymphatic tissue have not been found to be the source of HIV.

REF:   Pg. 233

4. Which statement best describes the etiologic development and transmission of AIDS?

ANS:  A

AIDS is caused by an infection of HIV, which is proven to be transmitted through blood and body fluids. The mechanism of HIV transmission is known to be through blood and body fluid exposure, newborn infection from the mother, and unprotected sex with an infected partner. AIDS is not an autoimmune disease of the homosexual. HIV can be transmitted through unprotected intercourse. HIV is a virus that is transmitted through various routes, not sexual contact only.

REF:   Pgs. 236-237