In a frequency distribution, percentages are sometimes called:
a. Proportions
b. Relative proportions
c. Relative frequencies
d. Cumulative proportions
C
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Which of the following is/are an advantage of off-pump coronary artery bypass graft (OPCABG) surgery?
1 . Decreased length of inpatient hospital stay 2 . Less neurological dysfunction 3 . Decreased stroke rate 4 . Decreased post-operative anemia A) 1 and 2 B) 2 and 3 C) 3 and 4 D) All of the above are correct.
A patient who takes an opioid pain reliever says, "I don't want to take my pain medication too often. It might not work when I really need it." What does the nurse teach this patient regarding tolerance to pain medications?
1. "Tolerance is a myth and does not exist." 2. "If you need larger doses of your medication we can provide it." 3. "We do have to be concerned about oversedation." 4. "It is best not to take too much of any drug."
The nurse is identifying clinical practice problems on a cardiac unit. What question is a foreground question?
a. "What is the pathophysiology of conges-tive heart failure?" b. "How does smoking affect the internal lumens of arteries? c. "What is the best treatment for a myocar-dial infarction? d. "How are a client's vital signs affected by anxiety?"
Which information is appropriate to include in the care plan for a family of a child with a tracheostomy?
a. Suction of the tracheostomy every 2 to 4 hours or as needed b. Application of powder around the stoma to decrease irritation c. Suction catheter insertion limited to less than 30 seconds d. Hygiene that includes showers, not baths