There are several ways in which confounding extraneous variables can be controlled. Which control technique is considered the best?
A. matching
B. random assignment
C. counterbalancing
D. selection
ANS: B
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A nurse has determined that a patient is suffering from chemical dependency and mental health issues. The patient is sent to a type of rehabilitation facility that will provide medical care in the form of ____________________,
or the removal of drugs and alcohol from the person's body, which generally takes several days. Fill in the blank with correct word.
A client with the sex-linked (X-linked) recessive form of muscular dystrophy asks what this means for his children. What is the nurse's best response?
A. "Only your sons are at risk for this form of muscular dystrophy." B. "None of your children will get the disease, but your daughters may pass it on to their sons." C. "Only children you conceived after you developed muscular dystrophy are at risk for developing this disease." D. "Your children are not at risk for getting the muscular dystrophy unless your wife also has the disease."
Which of the following may be missed unless the patient is placed in the left lateral decubitus position and auscultated with the bell?
A) Mitral stenosis murmur B) Opening snap of the mitral valve C) S3 and S4 gallops D) All of the above
If a variable were measured on a nominal scale, the most appropriate measure of central tendency would be the:
A) Mode B) Median C) Mean D) They are all equivalent.