The nurse is caring for a client who has begun vomiting.
The nurse is aware that which part of the client’s brain has been stimulated?

Limbic system.

Hypothalamus.

Chemoreceptor trigger zone (CTZ).

Medulla oblongata.

Answer and Explanation

The Correct Answer is C

Pathophysiologic pathways involved in emesis - UpToDate

The CTZ has to be stimulated in order for vomiting to occur. The CTZ is located in the area postrema of the medulla oblongata and receives input from various sources, such as the blood, the vestibular system, and the gastrointestinal tract.

Choice A is wrong because the limbic system involves emotion, not vomiting or other forms of GI function.

Choice B is wrong because the hypothalamus regulates various functions such as body temperature, hunger, thirst, and circadian rhythms, but not vomiting.

Choice D is wrong because the medulla oblongata is responsible for autonomic functioning such as ventilation, cardiac conduction, and vomiting, but it is not the site of stimulation for vomiting.

The medulla oblongata contains the vomiting center, which receives signals from the CTZ and other sources and initiates the act of vomiting.

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Correct Answer is C

Explanation

Hypercalcemia is a condition caused by having too much calcium in the blood, which can affect the function of nerves, muscles, kidneys and heart. Hypercalcemia can occur in children due to various causes, both acquired and genetic. One of the most common causes of hypercalcemia in children is cancer, especially cancers that affect the bones or produce substances that mimic parathyroid hormone (PTH), which regulates calcium levels.

Choice A is wrong because liver failure does not directly cause hypercalcemia, although it can affect vitamin D metabolism and calcium absorption.

Choice B is wrong because radiation injury does not cause hypercalcemia, unless it damages the parathyroid glands or causes bone destruction.

Choice D is wrong because hypothyroidism does not cause hypercalcemia, although it can affect bone turnover and calcium excretion.

A. Severe hip or knee pain. B. Upper respiratory infection lasting more than 6 days. C. Dry skin accompanied by pruritis. D. Nosebleeds.

Correct Answer is A

Explanation

This is because somatropin is a growth hormone that can cause slipped capital femoral epiphysis, a condition where the head of the femur slips off the neck of the bone and causes severe pain and disability. The prescriber should be notified immediately if this occurs.

Choice B is wrong because upper respiratory infection lasting more than 6 days is not a serious adverse effect of somatropin and does not require immediate attention from the prescriber.

Choice C is wrong because dry skin accompanied by pruritus is not a common or serious side effect of somatropin and may be due to other causes.

Choice D is wrong because nosebleeds are not a common or serious side effect of somatropin and may be due to other causes.

Normal ranges for growth hormone levels are 0.4 to 10 ng/mL for males and 1 to 14 ng/mL for females.

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The nurse is caring for a client who has begun vomiting. The nurse is aware that which part of the client’s brain has been stimulated?

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Naxlex Comprehensive Predictor Exams

The nurse is caring for a pediatric client with a new onset of hypercalcemia. What condition would be most likely to cause this altered serum calcium level?

Correct Answer is C

Explanation

When providing client teaching to the family of a 12-year-old child receiving somatropin, the nurse stresses the need to notify prescriber if what manifestation occurs?

Correct Answer is A

Explanation

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The nurse is caring for a client who has begun vomiting.
The nurse is aware that which part of the client’s brain has been stimulated?