Which diagnostic test most specifically confirms the presence of a pulmonary embolism?

A. Chest x-ray
B. Arterial blood gases
C. Pulmonary angiography
D. Ventilation-perfusion lung scan


C
Pulmonary angiography actually determines the presence of a substance within the pulmonary vasculature. The other tests provide inferential data that are not specific for only pulmonary em-bolism.

Nursing

You might also like to view...

How would the nurse instruct a patient with Parkinson disease to improve activity level?

a. To use a soft mattress to relax the spine b. To walk with a shuffling gait to avoid tripping c. To walk with hands clasped behind back to help balance d. To sit in hard chair with arms for posture control

Nursing

A nurse frequently needs to change the soiled linen and body position of a client who is confined to bed and has a decreased level of consciousness. Which of the following general principles should the nurse follow?

A) Fasten drainage tubes to the bed linen. B) Tuck in pillows and positioning devices. C) Raise the bed to the height of the nurse's elbow. D) Change the client's position every half hour.

Nursing

During a health interview the nurse determines that a client contemplating pregnancy would benefit from teaching on preconception health measures. What information did the nurse use to make this clinical determination? Select all that apply

1. Smokes one half of a pack per day of cigarettes 2. Works in an industrial plant 3. Drinks decaffeinated coffee 4. Drinks 4 ounces red wine every evening 5. Takes over-the-counter antacids as needed

Nursing

An 84-year-old patient who has returned from the PACU is oriented to name only and has been diagnosed with delirium. The nurse should explain the following to the patient's family:

A) There is nothing to worry about. B) Delirium involves a progressive decline in memory loss. C) Delirium may only last a short time. D) Delirium is generally more prevalent in women.

Nursing