The increased risk of mortality in individuals with a very low body mass index is probably related to

a. low levels of body fat.
b. inadequate fat intake.
c. low levels of lean body mass.
d. failure to store energy from ingested food.


C
Risk of mortality in individuals with a very low BMI is probably related to low levels of lean body mass, often related to smoking or disease. Low levels of body fat and inadequate fat intake are less likely to be associated with increased risk of mortality. Failure to store energy from in-gested food is rare.

Nursing

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The nurse explains that transcutaneous electrical nerve stimulation (TENS) provides a continuous mild electrical current to the skin. How does the TENS unit act to reduce pain?

a. Distracts the patient b. Blocks endorphin production c. Warms the skin d. Blocks pain impulses

Nursing

What intervention should the nurse caring for a postoperative patient perform to prevent thrombophlebitis?

A) Encourage the patient to perform coughing and deep-breathing exercises. B) Apply compression stockings. C) Massage the legs gently. D) Encourage the patient to turn frequently.

Nursing

A patient is hospitalized with amyotrophic lateral sclerosis (ALS), and the nursing diagnosis Spontaneous Ventilation, Impaired has been identified. In planning care for this patient, the nurse will prioritize the appropriate interventions

Rank the interventions, with the first being the most critical and the last the least critical. Click and drag the options below to move them up or down. Choice 1. Assess respiratory rate and lung sounds every 4 hours. Choice 2. Monitor arterial blood gases to identify changes. Choice 3. Maintain hydration and caloric intake. Choice 4. Educate the patient about further treatment options.

Nursing

While observing a student perform a sterile procedure, an instructor should immediately intervene if

1. The student turns his or her back to the sterile field to discard coverings. 2. The student drops items into the trash can to discard them. 3. The student opens the first flap of the sterile pack away from his or her body. 4. The student keeps his or her sterile, gloved hands below eye level.

Nursing