Nokea
Health care facilities have reduced the incidence of serious latex reactions by taking which action?
- A. having local and injectable corticosteroids on hand for employees.
- B. desensitizing staff who are allergic.
- C. supplying extra hand washing stations in the halls.
- D. using only powder-free gloves.
Correct Answer: D
Rationale: Powder inside gloves can become aerosolized and cause inhalant reactions.
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How does normal aging change the immune system?
- A. Depresses bone marrow.
- B. T cells become hyperactive.
- C. B cells show deficiencies in activity.
- D. Increase in the size of the thymus.
Correct Answer: C
Rationale: Normal aging causes deficiencies in both B and T cell activation, but the bone marrow is essentially uncompromised. The thymus decreases in size.
Which concern is a major negative effect of cell-mediated immunity?
- A. Depression of bone marrow
- B. Rejection of transplanted tissue
- C. Activation of the T cells
- D. Stimulation of the B cells
Correct Answer: B
Rationale: Cell-mediated immunity has the negative effect of rejection of transplanted tissue. Activation of T cells and stimulation of B cells are the positive basis of the cell-mediated immunity.
The nurse will monitor for which adverse effect when caring for a patient undergoing plasmapheresis?
- A. Hypotension
- B. Hypersensitivity
- C. Urticaria
- D. Flank pain
Correct Answer: A
Rationale: Hypotension occurs during plasmapheresis because of transient volume changes in the blood.
The process of immunity through a controlled exposure to an attenuated organism to stimulate the production of antibodies is ___
Correct Answer: immunization
Rationale: The process of immunity through a controlled exposure to an attenuated organism to stimulate the production of antibodies is immunization.
Which symptom would be classified as a mild transfusion reaction?
- A. Orthopnea
- B. Tachycardia
- C. Hypotension
- D. Wheezing
Correct Answer: A
Rationale: Mild transfusion reaction signs and symptoms include dermatitis, diarrhea, fever, chills, urticaria, cough, and orthopnea.