To help confirm a diagnosis of cystic fibrosis in a 1-year-old child which substance will be moni-tored for in the child's sweat?
a. Potassium
b. Chloride
c. Magnesium
d. Carbonic acid
ANS: B
The standard method of diagnosis is the sweat test, which reveals sweat chloride concentration in excess of 60 milliequivalents per liter. None of the other substances is relevant for this diagnosis.
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When nasally intubating a patient, the ET tube is advanced:
A) as the patient exhales. B) when the patient inhales. C) when the patient swallows. D) in between the patient's breaths.
Which of the following are pulmonary effects associated with oxygen toxicity?
I. Tracheobronchitis II. Substernal chest pain III. Increased lung compliance IV. Increased TLC a. III and IV only c. I, II, and IV only b. I, II, and III only d. I and II only
A 29-year-old male has an anterior nosebleed after he was accidentally elbowed in the nose. His is conscious and alert with adequate breathing. The MOST appropriate care for this patient includes:
A. applying a gauze pad in between his lower lip and gum. B. packing the nasopharynx with moist, sterile dressings. C. placing him supine and pinching his nostrils together. D. leaning him forward and pinching his nostrils together.
An intoxicated patient is complaining of a severe headache and a large bruise to the left side of his face after accidentally being struck with a baseball bat. In this situation, being struck with the baseball bat is called the:
A) mechanism of injury. B) chief complaint. C) differential diagnosis. D) nature of illness.