The nurse knows that infants have a high risk of hypothermia due to decreased brown fat, immature skin, and poorly developed thermoregulatory mechanism.
Which nursing intervention is done to prevent heat loss by conduction?
Closing doors and windows to prevent draft (current of air with motion).
Keeping a hat on the baby’s head.
Thoroughly drying infant after a bath.
Placing a warm blanket on the scale prior to obtaining baby’s weight.
The Correct Answer is D
This is because heat loss by conduction occurs when two objects with different temperatures come into direct contact with each other. The baby’s skin would lose heat to the cold scale by conduction if there was no warm blanket between them.
Choice A is wrong because closing doors and windows to prevent draft (current of air with motion) would prevent heat loss by convection, not conduction. Convection is the transfer of heat from a body to moving molecules such as air or liquid.
Choice B is wrong because keeping a hat on the baby’s head would prevent heat loss by radiation, not conduction. Radiation is the transfer of heat from a body to the surroundings by electromagnetic waves.
Choice C is wrong because thoroughly drying infant after a bath would prevent heat loss by evaporation, not conduction. Evaporation is the process of liquid changing into gas and carrying away heat from the body surface.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Watching television until falling asleep at night is a poor sleep habit because it can interfere with the body’s natural sleep-wake cycle and make it harder to fall asleep and stay asleep. Television can also expose the eyes to bright light and stimulating or stressful content, which can affect the production of melatonin, a hormone that regulates sleep.
Choice B is wrong because having a small snack and taking a bath before going to bed each day are good sleep habits that can promote relaxation and sleep quality.
Choice C is wrong because not taking naps throughout the day is a good sleep habit that can help maintain a consistent sleep schedule and avoid disrupting the night-time sleep.
Choice D is wrong because going to bed and getting up at the same times each day is a good sleep habit that can reinforce the body’s circadian rhythm and make it easier to fall asleep and wake up.
Correct Answer is A
Explanation
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.
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