PATHOPHYSIOLOGY CHAPTER 7- TEST
BANK EXAM QUESTIONS WITH
COMPLETE SOLUTIONS
Serious infections frequently occurring in patients with AIDS include:
1. tuberculosis.
2. Pneumocystis carinii pneumonia.
3. influenza.
4. tetanus.
A) 1, 2
B) 1, 4
C) 2, 3
D) 3, 4 - Answer-A
Which of the following statements does NOT apply to major histocompatibility complex
(MHC) proteins or molecules?
A) They are genes on chromosome 6.
B) All members of a family have identical MHCs.
C) They alert the immune system to virus-infected cells.
D) A close match is essential for successful tissue transplants. - Answer-B
CD4-positive helper T cells function by:
A) direct cytotoxic action.
B) facilitating all immune system activity.
C) producing immunoglobulins.
D) inactivating allergens. - Answer-B
Host-versus-graft disease refers to:
A) hyperacute rejection of tissue.
b) T cells in grafted tissue attacking host cells.
C) infection resulting from immunosuppression therapy.
D) transplant rejection by the recipient's immune system. - Answer-D
Which of the following complications does NOT occur frequently in AIDS patients?
A) Kaposi's sarcoma
B) Wasting syndrome
C) Lymphoma
D) Polyarthritis - Answer-D
Which of the following characteristics apply to HIV?
1. It contains two strands of DNA.
2. It tends to mutate frequently to form new strains.
3. The incubation period is extremely short.
, 4. It is inactivated by heat and many disinfectants.
A) 1, 2
B) 1, 3
C) 2, 4
D) 3, 4 - Answer-C
In cases of HIV infection, the "window period" refers to the time between:
A) entry of the virus into the blood and the initial manifestations.
B) entry of the virus into the body and the appearance of antibodies in the blood.
C) entry of the virus into the body and a significant drop in CD4 T-helper lymphocyte
count.
D) diagnosis of "HIV positive" and diagnosis of "AIDS." - Answer-B
Which of the following is an effect of cytokines? They:
A) activate and stimulate proliferation of B and T lymphocytes.
B) destroy antigens quickly.
C) increase the rate of mitosis in tumors.
B) cause immediate pain. - Answer-A
What does seroconversion mean in relation to HIV and AIDS?
A) The virus has been identified in the blood and body fluids.
B) Antibodies for HIV have been identified in the blood.
C) HIV was found in lymphocytes.
D) Active infection has developed in the patient. - Answer-B
Which of the following statements is TRUE regarding a patient who is HIV positive?
A) No medication is required until the CD4 cell count drops below normal range.
B) Antibodies are present, destroying the virus and preventing transmission to others.
C) Antibodies in the blood indicate presence of virus and possible transmission to
others.
D) Enzymes have not yet converted RNA to DNA for replication. - Answer-C
The term tolerance refers to:
A) surveillance and destruction of new cancer cells by the immune system.
B) the ability of the immune system to ignore "self" cells.
C) the ability of T and B lymphocytes to work together.
D) the role of lymphoid tissue in the body defenses. - Answer-B
Which of the following statements applies to the complement system?
A) It is activated by IgE.
B) It blocks the inflammatory response.
C) It consists of proteins in the blood that must be activated.
D) It may destroy antibodies in the circulation. - Answer-C
Which of the following statements regarding immunoglobulins is TRUE?
A) They consist of a unique sequence of amino acids.
BANK EXAM QUESTIONS WITH
COMPLETE SOLUTIONS
Serious infections frequently occurring in patients with AIDS include:
1. tuberculosis.
2. Pneumocystis carinii pneumonia.
3. influenza.
4. tetanus.
A) 1, 2
B) 1, 4
C) 2, 3
D) 3, 4 - Answer-A
Which of the following statements does NOT apply to major histocompatibility complex
(MHC) proteins or molecules?
A) They are genes on chromosome 6.
B) All members of a family have identical MHCs.
C) They alert the immune system to virus-infected cells.
D) A close match is essential for successful tissue transplants. - Answer-B
CD4-positive helper T cells function by:
A) direct cytotoxic action.
B) facilitating all immune system activity.
C) producing immunoglobulins.
D) inactivating allergens. - Answer-B
Host-versus-graft disease refers to:
A) hyperacute rejection of tissue.
b) T cells in grafted tissue attacking host cells.
C) infection resulting from immunosuppression therapy.
D) transplant rejection by the recipient's immune system. - Answer-D
Which of the following complications does NOT occur frequently in AIDS patients?
A) Kaposi's sarcoma
B) Wasting syndrome
C) Lymphoma
D) Polyarthritis - Answer-D
Which of the following characteristics apply to HIV?
1. It contains two strands of DNA.
2. It tends to mutate frequently to form new strains.
3. The incubation period is extremely short.
, 4. It is inactivated by heat and many disinfectants.
A) 1, 2
B) 1, 3
C) 2, 4
D) 3, 4 - Answer-C
In cases of HIV infection, the "window period" refers to the time between:
A) entry of the virus into the blood and the initial manifestations.
B) entry of the virus into the body and the appearance of antibodies in the blood.
C) entry of the virus into the body and a significant drop in CD4 T-helper lymphocyte
count.
D) diagnosis of "HIV positive" and diagnosis of "AIDS." - Answer-B
Which of the following is an effect of cytokines? They:
A) activate and stimulate proliferation of B and T lymphocytes.
B) destroy antigens quickly.
C) increase the rate of mitosis in tumors.
B) cause immediate pain. - Answer-A
What does seroconversion mean in relation to HIV and AIDS?
A) The virus has been identified in the blood and body fluids.
B) Antibodies for HIV have been identified in the blood.
C) HIV was found in lymphocytes.
D) Active infection has developed in the patient. - Answer-B
Which of the following statements is TRUE regarding a patient who is HIV positive?
A) No medication is required until the CD4 cell count drops below normal range.
B) Antibodies are present, destroying the virus and preventing transmission to others.
C) Antibodies in the blood indicate presence of virus and possible transmission to
others.
D) Enzymes have not yet converted RNA to DNA for replication. - Answer-C
The term tolerance refers to:
A) surveillance and destruction of new cancer cells by the immune system.
B) the ability of the immune system to ignore "self" cells.
C) the ability of T and B lymphocytes to work together.
D) the role of lymphoid tissue in the body defenses. - Answer-B
Which of the following statements applies to the complement system?
A) It is activated by IgE.
B) It blocks the inflammatory response.
C) It consists of proteins in the blood that must be activated.
D) It may destroy antibodies in the circulation. - Answer-C
Which of the following statements regarding immunoglobulins is TRUE?
A) They consist of a unique sequence of amino acids.
