MULTIPLE CHOICE

1. Which of the following is an example of immunocompetence?

a. A child that is immune to measles because of an inoculation

b. A person who has seasonal allergies every fall

c. When the symptoms of a common cold disappear in 1 day

d. A neonate having a natural immunity from maternal antibodies ANS: C

Immunocompetence is demonstrated by the immune system responding appropriately to a foreign

stimulus and the bodys integrity is maintained as with cold symptoms that resolve with residual illness.

2. An anxious patient enters the emergency room with angioedema of the lips and tongue, dyspnea, urticaria, and wheezing after having eaten a peanut butter sandwich. What should be the nurses first intervention?

a. Apply cool compresses to urticaria

b. Provide oxygen per non-rebreathing mask

c. Cover patient with a warm blanket

d. Prepare for venipuncture for the delivery of IV medication ANS: B

Provision of oxygen is the initial primary intervention. Anaphylaxis may advance very rapidly and

the patient may have to be intubated. Covering the patient with a warm blanket is not wrong, but not an initial intervention.

MSC: NCLEX: Physiological Integrity

3. What is the etiology of autoimmune diseases based on?

a. Reaction to a superantigen

b. Immune system producing no antibodies at all

c. T cells destroying B cells

d. B and T cells producing autoantibodies ANS: D

Autoimmune disorders are failures of the tolerance to self. B and T cells produce autoantibodies that

can cause pathophysiologic tissue damage. Autoimmune disorders may be described as an immune attack on the self and result from the failure to distinguish self protein from foreign protein.

MSC: NCLEX: Physiological Integrity