During an IgE-mediated hypersensitivity reaction, what causes bronchospasm?
a. Bronchial edema caused by the chemotactic factor of anaphylaxis
b. Bronchial edema caused by binding of the cytotropic antibody
c. Smooth muscle contraction caused by histamine bound to H1 receptors
d. Smooth muscle contraction caused by histamine bound to H2 receptors
Ans: c. Smooth muscle contraction caused by histamine bound to H1 receptors
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A nurse is teaching a female client with rheumatoid arthritis (RA) about taking methotrexate (MTX) (Rheumatrex) for disease control. What information does the nurse include? (Select all that apply.)
a. "Avoid acetaminophen in over-the-counter medications." b. "It may take several weeks to become effective on pain." c. "Pregnancy and breast-feeding are not affected by MTX." d. "Stay away from large crowds and people who are ill." e. "You may find that folic acid, a B vitamin, reduces side effects."
Which of the following conditions in the client with an eating disorder would require hospitalization in an acute care medical facility?
A) Hypotension, overeating, and obsessive behavior B) Uncontrolled vomiting, cardiac health problems, and extreme weight loss C) Nervousness, loss of hair, and increased blood pressure D) Uncooperative behavior, vomiting, and refusal to eat
The nurse is preparing to start an IV in the hand of a client who has very small veins. Which actions would be useful in dilating the veins?
1. Position the hand at heart level. 2. Stroke the vein. 3. Have the client clench and unclench the fist. 4. Slap the back of the client's hand. 5. Massage the vein.
Which statement is true regarding hormone antagonists?
1. They are cytotoxic. 2. They enhance substances essential for hormone growth. 3. They produce similar debilitating adverse effects that other antineoplastics produce. 4. They can produce debilitating adverse effects at high doses for prolonged periods.