The nurse would explain to a client who has a demand pacemaker in place that this pacemaker functions by
a. demanding the heart to contract at a preset rate.
b. firing after the SA node has started the cycle.
c. firing if the heart's electrical activity drops below a preset rate.
d. stimulating the SA node to fire.
C
There are two basic types of pacemakers. A fixed-rate pacemaker fires constantly at a preset rate without regard to the electrical activity of the client's heart. A demand pacemaker fires when the SA node has not fired at a preset rate.
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A patient is still hypermetabolic two weeks after his injury. What finding would the nurse expect?
1. Muscle wasting 2. Low serum BUN levels 3. Hypoglycemia 4. Decreased level of consciousness
Your supervisor asks you to identify the correct order of occurrence in the cultural competence continuum. Which response would indicate that you understand?
a. Cultural blindness, incapacity, destructive-ness, pre-competence, competence, profi-ciency b. Cultural destructiveness, blindness, incapacity, pre-competence, proficiency, competence c. Cultural destructiveness, incapacity, blind-ness, pre-competence, competence, profi-ciency d. Cultural destructiveness, blindness, profi-ciency, competence, pre-competence, inca-pacity
The nurse best describes the function of the Mini-Mental Status Examination (MMSE) to the wife of a client who has "been forgetting things lately" by stating:
1. "The test has a few questions that are used to thoroughly assess your husband's mental status.". 2. "It's a test that will help us determine why he is getting forgetful.". 3. "The test has a few simple questions that will test him for dementia.". 4. "Being forgetful isn't unusual, but this test will rule out any serious problems.".
A nurse teaches a nursing student about pharmacologic interventions for the treatment of sleep problems among older adults. Which of the following statements by the student shows understanding of the care of those with sleep disturbances?
A) "Behavioral therapies are preferable to the use of drugs." B) "Benzodiazepines are the drug group likely to have the fewest adverse effects." C) "L-Tryptophan and melatonin are chemicals the body produces that can be supplemented to improve sleep." D) "Older adults should not use hypnotics or other pharmacologic aids for sleep."