Chapter 31: Alterations in Endocrine Function

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A 10-year-old child is newly diagnosed with type 1 diabetes. The child's hemoglobin A1C level is being monitored. The nurse determines that additional intervention is needed with the child based on which result? A. 8.5% B. 6.5% C. 7.5 % D. 7.0%

A. 8.5% Rationale: The goal for hemoglobin A1C in children between the ages of 6 and 12 years is less than 8%. Therefore, a result of 8.5% would indicate that additional intervention is needed to achieve the recommended goal.

The nurse is speaking with the parents of a school-aged child recently diagnosed with diabetes mellitus regarding the differences between hypoglycemia and hyperglycemia. Which statement by a parent indicates a need for further teaching? A. "If I notice changes in my son like tearfulness or irritability, his blood sugar may be high." B. "When my son's breath smells fruity, it almost always indicates high blood sugar." C. "If my son says he feels shaky, his blood sugar may be low." D. "Dry flushed skin may be a sign if high blood sugar."

A. "If I notice changes in my son like tearfulness or irritability, his blood sugar may be high." Rationale: Behavior changes such as tearfulness, irritability, confusion and slurred speech are indications of hypoglycemia, not hyperglycemia. Tremors and diaphoresis are also indications of low blood sugar. Dry flushed skin, fatigue, weakness, nausea, vomiting and fruity breath odor are all symptoms of hyperglycemia.

A 17-year-old adolescent is found wandering around. The adolescent is confused, sweaty, and pale. Which test would the nurse expect to be performed first? A. Blood glucose level B. CT scan C. Arterial blood gases D. Blood cultures

A. Blood glucose level Rationale: It is important to draw a blood glucose level on the adolescent because the client is exhibiting signs of hypoglycemia and needs to be treated as soon as possible. Once the adolescent is stabilized, a complete health history will need to be taken to determine the extent of the illness.

When describing the negative feedback system that controls endocrine function, the nurse explains that a decreased secretion of which correlates with a decrease in blood glucose levels? A. Insulin B. Glucagon C. Adrenocorticotropic hormone D. Glycogen

A. Insulin Rationale: Feedback is seen in endocrine systems that regulate concentrations of blood components such as glucose. Glucose from the ingested lactose or sucrose is absorbed in the intestine and the level of glucose in blood rises. Elevation of blood glucose concentration stimulates endocrine cells in the pancreas to release insulin. Insulin has the major effect of facilitating entry of glucose into many cells of the body. As a result, blood glucose levels fall. When the level of blood glucose falls sufficiently, the stimulus for insulin release disappears and insulin is no longer secreted.

What should be included in the teaching plan for a child with type 1 diabetes mellitus who is going home on insulin therapy? A. Children show an increased need for insulin during the first months after glucose control is established. B. Once glucose control is established, there will never be a need for an increase in the amount of insulin administered. C. It is absolutely normal for the growing child to require an increase in insulin; this does not mean his/her condition is getting worse. D. All children should be on at least two types of insulin to establish glucose control.

C. It is absolutely normal for the growing child to require an increase in insulin; this does not mean his/her condition is getting worse. Rationale: Children show a decreased need for insulin shortly after glucose control has been established, which is referred to by some as the "honeymoon phase" and should be described to parents so that they do not get any false hope that the child does not need insulin. As children grow, they will require increased doses of insulin to maintain glucose control, and not all children need to receive two types of insulin. Insulin treatment should be based on each individual child.


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