What signs should the nurse expect when a pneumothorax occurs in an infant on mechanical ventilation?
a. Tachycardia
b. Clear, distinct heart tones
c. Widened pulse pressure
d. Abrupt duskiness or cyanosis
ANS: D
The early signs of a pneumothorax in an infant on mechanical ventilations include the abrupt onset of duskiness or cyanosis. Tachypnea is the presenting sign. Usually the heart rate is decreased. The heart sounds usually become muffled, diminished, or shifted. The pulse pressure decreases in pneumothorax.
You might also like to view...
The nurse is explaining the origins of pain to several nursing students. Review the examples below, and identify the one that best describes somatic pain:
1. Second-degree burn 2. Migraine headache 3. Gas pain 4. Knee sprain
The nurse is preparing a patient for a computed tomography scan of the abdomen. Which statement by the nurse is best (all contain correct information)?
1) "You will need to remain NPO for the 8 hours prior to your CT scan." 2) "You cannot have anything to eat or drink for 8 hours before your test." 3) "You will need to be NPO and drink this contrast media before your test." 4) "You may need to void before you go down to the department for your CT scan."
To reassure and educate pregnant patients about changes in the uterus, nurses should be aware that:
a. Lightening occurs near the end of the second trimester as the uterus rises into a different position. b. The woman's increased urinary frequency in the first trimester is the result of exaggerated uterine antireflexion caused by softening. c. Braxton Hicks contractions become more painful in the third trimester, particu-larly if the woman tries to exercise. d. The uterine souffle is the movement of the fetus.
A nurse is instructing a student nurse about the best methods to use when teaching a kinesthetic learner. The student nurse demonstrates understanding when stating:
1. "A kinesthetic learner learns best by doing." 2. "A kinesthetic learner learns best by seeing." 3. "A kinesthetic learner learns best by reading." 4. "A kinesthetic learner learns best by watching."