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What life-threatening outcome should the nurse monitor for in a client who is not compliant with taking prescribed antithyroid medication?
- A. Thyrotoxic crisis
- B. Myxedema coma
- C. Diabetes insipidus
- D. Syndrome of inappropriate antidiuretic hormone secretion
Correct Answer: A
Rationale: Thyrotoxic crisis, an abrupt and life-threatening form of hyperthyroidism, is thought to be triggered by extreme stress, infection, diabetic ketoacidosis, trauma, toxemia of pregnancy, or manipulation of a hyperactive thyroid gland during surgery or physical examination. Although rare, this condition may occur in clients with undiagnosed or inadequately treated hyperthyroidism. Myxedema coma is associated with hypothyroidism. Diabetes insipidus (DI) and syndrome of inappropriate antidiuretic hormone secretion (SIADH) clinical manifestations do not correlate with medication taken for hyperthyroidism.
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A client sustained a head injury when falling from a ladder. While in the hospital, the client begins voiding large amounts of clear urine and reports being very thirsty. The client states feeling weak and having experienced an 8 pound weight loss since admission. What condition does the nurse expect the client to be tested for?
- A. Diabetes insipidus (DI)
- B. Syndrome of inappropriate antidiuretic hormone secretion (SIADH)
- C. Pituitary tumor
- D. Hypothyroidism
Correct Answer: A
Rationale: With diabetes insipidus, urine output may be as high as 20 L/24 hours. Urine is dilute, with a specific gravity of 1.002 or less. Limiting fluid intake does not control urine excretion. Thirst is excessive and constant. Activities are limited by the frequent need to drink and void. Weakness, dehydration, and weight loss develop. SIADH will have the opposite clinical manifestations. The client's symptoms are related to the trauma and not to a pituitary tumor. The thyroid gland does not cause these symptoms.
Which group of clients should not receive potassium iodide?
- A. Those who are allergic to corticosteroids
- B. Those who are pregnant
- C. Those taking medications such as cough medicines
- D. Those who are allergic to seafood
Correct Answer: D
Rationale: Potassium iodide should not be administered to anyone who is allergic to seafood, which is also high in iodine. Clients who take corticosteroids or cough medicines and those who are pregnant would be appropriate candidates for potassium iodide therapy.
A client with diabetes insipidus is extremely dehydrated and is unable to take oral fluids. Fluid therapy is prescribed. Which intervention would be most important for the client?
- A. Measuring the urine output every 30 minutes
- B. Monitoring the rate of IV infusions
- C. Measuring the fluid intake
- D. Weighing the client daily
Correct Answer: A
Rationale: The nurse must measure the urine output every 30 minutes when administering prescribed fluid and drug therapy when the client is acutely ill or extremely dehydrated, fails to take oral fluids, or is beginning to receive medical treatment. Doing so ensures adequate kidney function. Although monitoring the rate of IV infusions, measuring fluid intake, and weighing the client daily are important, measuring the urine output every 30 minutes is the priority.
A client with Addison disease is being discharged from the hospital and is being instructed about the dietary regimen. What type of diet should the nurse provide written and verbal instructions about?
- A. Low-carbohydrate, low-protein diet
- B. Low-fat, high-protein diet
- C. Low-protein, high-carbohydrate diet
- D. High-protein, moderate-carbohydrate diet
Correct Answer: D
Rationale: A high-protein, moderate-carbohydrate diet that is low in refined carbohydrates is recommended to reduce the risk of hypoglycemia from excess insulin secretion. The risk of hypoglycemia is also lessened by consuming frequent meals and snacks, especially a substantial bedtime snack. The other dietary regimens are not effective in the management of Addison disease.
The nurse is caring for a client who has developed diabetes insipidus. The cause is unknown, and the physician has ordered a diagnostic test to determine if the cause is nephrogenic or neurogenic. What test will the nurse prepare the client for?
- A. Urine specific gravity
- B. Fluid deprivation test
- C. Urine osmolality
- D. Serum osmolality
Correct Answer: B
Rationale: A fluid deprivation test can diagnose diabetes insipidus (DI) and differentiate neurogenic DI from nephrogenic DI. The other tests listed are nonspecific tests that help support diagnosis.