Which circumstance will call for the use of analysis of variance (ANOVA)?
a. A researcher wishes to compare differences in means between four groups
b. A researcher wishes to compare the difference in variance between two groups
c. A researcher wishes to compare the difference in variance among four groups
d. A researcher wishes to compare the difference in correlation between two groups.
ANS: C
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The nurse who is providing patient teaching related to an elevated homocysteine level informs the patient that elevations in homocysteine increase the patient's risk of:
A) Cardiogenic shock B) Atrial fibrillation C) Heart failure D) Atherosclerosis
The nurse tells the schizophrenic patient "it's time to go to bed." The patient responds with "it's time for bed, it's time for bed, it's time for bed." The patient's response is an example of ____________________
ANS:
After being informed that their father has experienced a stroke that has affected a portion of his cerebrum, the patient's family asks the nurse, "What effect will aphasia have on his life?" How should the nurse respond?
1. "He will likely become depressed until he adjusts to the dysfunction." 2. "You'll have to speak very loudly when you talk." 3. "The way he communicates with you will change." 4. "Perhaps you should learn about the different options for speech therapy."
Identify the chamber of the heart from which deoxygenated blood is pumped through the pulmonary arteries into the lungs.
A. The left ventricle B. The left atrium C. The right ventricle D. The right atrium