There are two missing values strategies that involve deletion or imputation. What is occurring with a regression-based estimation of missing values?
A) Mean substitution
B) Expectation maximization imputation
C) Complete case analysis
D) Available case analysis
A
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You administered two tablets with a dosage strength of 2.5 mg each. What was the total dosage given?
What will be an ideal response?
A patient presents to the emergency department with an infected wound on his left forearm. The nurse explains the inflammatory response caused by the injury will occur in what sequence?
A) Heat, pain, redness, swelling B) Swelling, pain, redness, heat C) Redness, swelling, heat, pain D) Pain, redness, swelling, heat
The daughter of an older adult patient who has just returned from surgery is distressed about her father's pale, cold hands and feet. The nurse covers the patient with an extra blanket and responds:
1. "Don't be concerned. It is quite cold in the operating room. Your dad will be warm in a minute." 2. "Older patients like your dad get a little ‘shocky' during surgery." 3. "When patients have blood loss during surgery, superficial vessels close off tem-porarily, making for cold extremities." 4. "We are watching the disturbed circulation in your dad's hands and feet very carefully."
The nurse is preparing to administer digoxin IV to treat a patient's heart failure. Which action is essential?
1. Give the drug over 30 seconds. 2. Ask the patient to increase fluid intake to avoid dehydration. 3. Use a cardiac monitor during the administration and for 2 hours afterward. 4. Mix the dose of digoxin with a potassium replacement.