quiz 3

Which clinical finding is most indicative of an acute bacterial infection?

A. elevated temperature B. elevated erythrocyte sedimentation rate C. elevated WBC count D. Increased ( band) neutrophils D

An HIV-positive patient is hospitalized for evaluation of sympotms of progressive weakness, dyspnea, weigh loss and low grade fevel. biopsy of lung tissue revels pneumocytis carnii pneumonia. this diagnonis means that the patient

A. has aids B. has less than 2 years to live C. cannot be treated D was an intravenous drug abuser A

Active immunity involve

A. injection of preformed human antibodies B. injection of human immune globulin C. injection with preformed animal antibodies D. vaccines with dead or altered organisms E. active infection DE

The primary function of eosinophils is to

A. kill parastic helminths ( worms) B. kill bacteria C. stop viral replication D. phagocytize fungi

the "classical pathway" for activation of the complement cascade is triggered by

A. activation of C3 B. inflammation C. first recognition of an antigen D. antigen antibody complexes A

The immune system disorder associated with HIV is

A. an overeactive b cell system B. proliferation of immature WBC ( blasts) C. defiency of T-helper lymphocytes D. cancerous growth of lymph tissue didnt make sure

Which statement about HIV testing is correct

A. any patient can be tested for HIV with or without their informed consent B. A negative HIV test ensures absence of infection C. The false positive rate for HIV testing is zero D. significant exposure to infected blood or blood fluids required HIV testing D

Function of B cells include

A. synthesizing antibodies B. secreting cytokines C. killing antigen-presenting cells D. stimulating B cells A

The clinical latency period after HIV infection is a time when no

A. viral replication occurs B. decline in CD4 lymphocytes occurs C. virus is detectable in the blood D. signicant symptoms of ummunodefieciency occus D

The clinical latency period after HIV infection is a time when no

A. viral replication occurs B. decline in CD4 lymphocytes occurs C. virus is detectable in the blood D. significant symptoms of immunodefienciency occur D not sure

Active immunity involves

a. injection of preformed human anitbodies B. injection of human immune globulin C. injection with perfromed animal antibodies D. vaccines with dead or altered organisms E. active infection DE

Functions of antibodies

Antigen agglutination antigen precipitation opsonization phagocytocis complement activation ACDE

Which statement best describes the etiologic development and transmission of aids?

A. Aids is caused by a retrovirus and transmitted through body fluids B. the mechanism of Aids transmission is unknown; therefore, aids is considered to be highly contagious C. AIDS is an autoimmone disease triggered by a homosexual lifestyle D. AIDS is caused by a virus that can be transmitted only by sexual contact A

an effective HIV vaccine is difficult to produce primarily because

A. HIV is not immunogenic B. B cells ae unable to produce antibodies against HIV C. HIV mutates frequently D. reverse transcriptase cleaves to the vaccine C

HIV infection causes immunodefiency because

A. directecty inhibits antibody production by B cells B. causes the destruction of T helper cells C. causes excessive production of cytotixic T cells D. blocks the ability of macrophages to present antigens B i think

The primary function of kinins is

A. phagocytosis of antigens B. production of antibodies C. to limit immune reactions D. vasodilation to enhance inflammation

interleukin 1 and 6 and tumor necrosis factor a are inflammatory cytokines secrets by

A. plasma cells B. neutrophils C. lymphocytes D. macrophages D https://www.studyblue.com/notes/note/n/ch-9-patho/deck/14493106

Which mode of transmission occurs with HIV infection? ( select all that apply.)

A. sexual transmission B. parenteral transmission C. fomite transimmion to intact skin D. perinatal transimmion to fetus E. inhalant transmission AB D

Functions of T cells include ( select all that apply)

A. synthesizing antibodies B. secreting cytokines C. killing antigen- presenting cells D. stimulating of B cells E. killing virally infection cells BCDE