an incoherent female client with a history of hypothyroidism is brought to the emergency department by the rescue squad physical and laboratory findin

HESI RN

Leadership and Management HESI

1. An incoherent female client with a history of hypothyroidism is brought to the emergency department by the rescue squad. Physical and laboratory findings reveal hypothermia, hypoventilation, respiratory acidosis, bradycardia, hypotension, and nonpitting edema of the face and pretibial area. Knowing that these findings suggest severe hypothyroidism, Nurse Libby prepares to take emergency action to prevent the potential complication of:

A. Thyroid storm.
B. Cretinism.
C. Myxedema coma.
D. Hashimoto's thyroiditis.

Correct answer: C

Rationale: The scenario described with hypothermia, hypoventilation, respiratory acidosis, bradycardia, hypotension, and nonpitting edema of the face and pretibial area is indicative of myxedema coma, a severe and life-threatening complication of hypothyroidism. Myxedema coma requires immediate emergency treatment to prevent further deterioration. Choice A, thyroid storm, is a complication of hyperthyroidism characterized by an increase in body temperature, heart rate, and blood pressure. Choice B, cretinism, refers to untreated congenital hypothyroidism leading to mental and physical growth retardation. Choice D, Hashimoto's thyroiditis, is an autoimmune condition leading to hypothyroidism but does not present with the acute, life-threatening symptoms described in the scenario.

2. When caring for a male client with diabetes insipidus, what does Nurse Juliet expect to administer?

A. Vasopressin (Pitressin Synthetic)
B. Furosemide (Lasix)
C. Regular insulin
D. 10% dextrose

Correct answer: A

Rationale: The correct answer is A: Vasopressin (Pitressin Synthetic). Vasopressin is the treatment of choice for diabetes insipidus as it replaces the deficient antidiuretic hormone. Furosemide (Lasix) (choice B) is a diuretic and would exacerbate fluid loss, making it inappropriate for diabetes insipidus. Regular insulin (choice C) is used for diabetes mellitus, not diabetes insipidus, which involves water balance rather than glucose regulation. 10% dextrose (choice D) is used to treat hypoglycemia, not diabetes insipidus.

3. A female client with physical findings suggestive of a hyperpituitary condition undergoes an extensive diagnostic workup. Test results reveal a pituitary tumor, necessitating a transsphenoidal hypophysectomy. The evening before the surgery, Nurse Jacob reviews preoperative and postoperative instructions provided to the client earlier. Which postoperative instruction should the nurse emphasize?

A. You must lie flat for 24 hours after surgery.
B. You must avoid coughing, sneezing, and blowing your nose.
C. You must restrict your fluid intake.
D. You must report ringing in your ears immediately.

Correct answer: B

Rationale: Following a transsphenoidal hypophysectomy, it is crucial to avoid activities such as coughing, sneezing, and blowing the nose to prevent an increase in intracranial pressure or the risk of cerebrospinal fluid leakage. Coughing, sneezing, or nose blowing can strain the surgical site, potentially leading to complications. Lying flat for 24 hours is not typically required after this surgery. Fluid intake should be encouraged to prevent dehydration. Ringing in the ears is not a common complication associated with this type of surgery.

4. A healthcare professional reviews a client's electrolyte laboratory report and notes that the potassium level is 3.2 mEq/L. Which of the following would the healthcare professional note on the electrocardiogram as a result of the laboratory value?

A. U waves
B. Absent P waves
C. Elevated T waves
D. Elevated ST segment

Correct answer: A

Rationale: The correct answer is A: U waves. A low potassium level (hypokalemia) can manifest as U waves on an ECG. U waves are small, extra deflections seen after the T wave and may indicate cardiac irritability. Absent P waves (Choice B) are associated with conditions like atrial fibrillation. Elevated T waves (Choice C) can be seen in hyperkalemia, not hypokalemia. Elevated ST segment (Choice D) is not typically associated with low potassium levels but can be seen in conditions like myocardial infarction.

5. A female client with hypothyroidism (myxedema) is receiving levothyroxine (Synthroid), 25 mcg P.O. daily. Which finding should Nurse Hans recognize as an adverse drug effect?

A. Dysuria
B. Leg cramps
C. Tachycardia
D. Blurred vision

Correct answer: C

Rationale: Tachycardia is a potential adverse effect of levothyroxine, indicating overmedication. Dysuria (painful urination) is not typically associated with levothyroxine. Leg cramps are not a common adverse effect of levothyroxine. Blurred vision is not a typical adverse effect of levothyroxine; instead, it may be a sign of other eye-related conditions or medication side effects.