Asthma in infants is usually triggered by:
a. Medications. c. Exposure to cold air.
b. A viral infection. d. Allergy to dust or dust mites.
ANS: B
Viral illnesses cause inflammation that causes increased airway reactivity in asthma. Medications such as aspirin, nonsteroidal antiinflammatory drugs, and antibiotics may aggravate asthma, but not frequently in infants. Exposure to cold air may exacerbate already existing asthma. Allergy is associated with asthma, but 20% to 40% of children with asthma have no evidence of allergic disease.
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When teaching patients taking St. John's wort about drug and food interactions, the nurse will inform them of the following precautions:
A. Avoid foods containing large amounts of tyramine. B. Eat adequate amounts of meat and cheese. C. Increase the length of time in sunlight. D. Consult your physician before taking any over-the-counter flu and cold medications. E. It may decrease the effects of MAOIs.
The nurse is making an initial assessment of the newborn. Which of the following data would be considered normal?
1. Chest circumference 31.5 cm, head circumference 33.5 cm 2. Chest circumference 30 cm, head circumference 29 cm 3. Chest circumference 38 cm, head circumference 31.5 cm 4. Chest circumference 32.5 cm, head circumference 36 cm
A nurse researcher describes an instrument that is administered repeatedly and obtains the same results as having what?
a. Validity b. Reliability c. Consistency d. Predictability
The nurse suspects the patient has increased afterload. Which piece of equipment should the nurse obtain to determine the presence of this condition?
a. Pulse oximeter b. Oxygen cannula c. Blood pressure cuff d. Yank auer suction tip catheter