Which thermoregulatory condition is an elderly person most at risk for?
Hypothermia.
Normothermia.
Hyperthermia.
Malignant hyperthermia.
The Correct Answer is A
Hypothermia is a condition where the body temperature drops below 35°C (95°F) and affects the normal functioning of the body. Elderly people are more at risk for hypothermia because they have a lower muscle mass, a decreased
shiver reflex, and lower immunity. They also tend to have a lower body temperature and may not develop fevers when they contract a viral or bacterial illness.
Choice B. Normothermia is wrong because it means having a normal body temperature, which is around 37°C (98.6°F).
Choice C. Hyperthermia is wrong because it means having a high body temperature, which is above 37.5°C (99.5°F).
Hyperthermia can be caused by heat exposure, infection, inflammation, or certain medications.
Choice D. Malignant hyperthermia is wrong because it is a rare genetic disorder that causes a severe reaction to certain anesthetics or muscle relaxants.
It is not related to thermoregulation in elderly people.
Question 5.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Pursed-lip breathing is a technique that helps to slow down the breathing rate and keep the airways open longer. This improves gas exchange and reduces the work of breathing. Pursed-lip breathing also helps to prevent air trapping and hyperinflation of the lungs, which are common complications of COPD.
Choice B is wrong because laying down for 1 hour after meals can increase the pressure on the diaphragm and make breathing more difficult. It can also increase the risk of aspiration and reflux.
Choice C is wrong because restricting the client’s fluid intake to less than 1 L/day can lead to dehydration and thickening of secretions, which can obstruct the airways and impair gas exchange. Fluid intake should be adequate to maintain hydration and thin secretions.
Choice D is wrong because using the upper chest for respiration is a sign of inefficient breathing and respiratory distress.
It can increase the oxygen demand and cause fatigue. The client should be encouraged to use the diaphragm and abdominal muscles for respiration, which are more efficient and reduce the work of breathing.
Normal ranges for oxygen saturation are 95% to 100%, for arterial blood gas pH are 7.35 to 7.45, for PaCO2 are 35 to 45 mmHg, for PaO2 are 80 to 100 mmHg, and for HCO3 are 22 to 26 mEq/L.
Correct Answer is A
Explanation
This is because the nurse had a legal obligation to turn the client every two hours as ordered, and by failing to do so, they did not exercise reasonable care that could foreseeably prevent harm to the client. This is an example of negligence, which requires four elements: duty, breach, injury and causation.
Choice B is wrong because criminality refers to the violation of criminal laws, such as theft or assault, which are not applicable in this case.
Choice C is wrong because scope of practice refers to the range of activities that a health care professional is authorized to perform based on their education, training and certification.
The nurse’s failure to turn the client does not relate to their scope of practice. Choice D is wrong because false imprisonment refers to the unlawful restraint of a person’s freedom of movement, such as locking them in a room or restraining them against their will.
The nurse’s failure to turn the client does not involve any such restraint.
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