Adequate sample size is important because
a. the sample has to be large enough for the study to be considered worthy of publication.
b. the total number of participants must sign consent forms.
c. researchers must be careful to avoid any accusations of bias.
d. the sample has to be representative of the target population for results to be valid.
d. the sample has to be representative of the target population for results to be valid.
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A patient is admitted to the hospital with a diagnosis of heart failure. The patient is ordered to receive furosemide (Lasix) 40 mg IV. How soon after administration should the nurse expect to see evidence of diuretic effects?
A) 1 minute B) 5 minutes C) 30 minutes D) 2 hours
An 8-year-old boy has fallen through the ice while skating on a frozen pond. By the time paramedics arrive, the boy has been removed from the water by his friends, but his core body temperature is 31.1 °C (88.0 °F)
The responders would recognize that which of the following physiological processes would have been active during the boy's accident? A) Production and release of cortisol as a heat generation process B) Stimulation of the thyroid gland in order to increase cellular activity C) Heat production through increased body metabolism D) Energy generation through the release of epinephrine and norepinephrine
Kegel exercises may help many forms of incontinence because they:
a. decrease bladder contractions b. increase outlet resistance c. strengthen the pelvic floor muscles d. counteract the effects of multiple pregnancies
The nurse is preparing to perform an evaluation of the older adult client's level of cognitive reasoning. The student nurse is observing. Which of the following statements by the student nurse indicates the need for further education?
1. "The Mini–Mental State Examination seems like a quick way to determine how well the client is able to reason.". 2. "It's best to go ahead and give the Mini–Mental State Examination at the beginning of the focused interview because the client's mind will be fresh.". 3. "It sounds like some older people get really nervous about these cognitive reasoning examinations because they worry they may be developing problems.". 4. "The Mini–Mental State Examination is really easy to perform so it's important to remember that the client may have just gone through these types of questions the day before with another healthcare provider.".