BIOD 331 Pathophysiology Module 5
Exam Review- Questions and Correct
Answers/ BIOD 331 Module 5 Problem
Set Practice Exam (New!)
Why is anaphylaxis considered a critical situation?
a. The heart rate is irregular.
b. Carbon dioxide levels in the body are greatly increased.
c. Bronchoconstriction and systemic vasodilation develop rapidly.
d. Manifestations are not obvious in the initial stages. –
Correct Answer :c. bronchoconstriction and systemic vasodilation develop rapidly
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Incompatible blood transfusions result in:
a. hemolysis of erythrocytes
b. a type I immune response
c. deposits in multiple organs
d. immune deficiency –
Correct Answer :a. hemolysis of erythrocytes
An autoimmune disease is:
a. excessive formation of antibodies following exposure to foreign material
b. an extreme response to normally harmless material in the environment
c. an abnormal response to ingested food and drugs
d. failure of the immune system to distinguish self from nonself –
Correct Answer :d. failure of the immune system to distinguish self from nonself
Systemic lupus erythematosus is caused by:
a. a chronic allergic condition
b. development of an immune-deficient state
c. a deficiency of T-lymphocytes
d. immune complex deposits of antinuclear antibodies –
Correct Answer :d. immune complex deposits of antinuclear antibodies
Distinguishing clinical features of systemic lupus erythematosus include:
a. inflammation in multiple organs
b. lack of a specific diagnostic blood test
c. acute onset, nonprogressive course
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d. typical skin rash on the chest and back –
Correct Answer :a. inflammation in multiple organs
Which of the following are the target cells for HIV?
a. helper T-lymphocytes (CD4 lymphocytes)
b. B-lymphocytes
c. natural killer cells
d. macrophages –
Correct Answer :a. helper T-lymphocytes (CD4 lymphocytes)
A diagnosis of HIV positive means that:
a. the number of T-lymphocytes in the circulating blood is decreased
b. significant opportunistic infection is present in the body
c. the individual has AIDS
d. the virus and its antibodies are in the blood –
Correct Answer :d. the virus and its antibodies are in the blood
HIV infection impairs:
a. humoral immunity
b. cell-mediated immunity
c. both humoral and cell-mediated immunity
d. neither type of immunity –
Correct Answer :c. both humoral and cell-mediated immunity
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HIV is transmitted by:
a. kissing or coughing into another's face
b. infected secretions on toilet seats
c. any contaminated surface and skin
d. blood, semen, and vaginal secretions from an infected person –
Correct Answer :d. blood, semen, and vaginal secretions from an infected person
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 –
Correct Answer :a. 1, 2
Which of the following statements does NOT apply to 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. –
Correct Answer :b. all members of a family have identical MHCs
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