Acute adrenal crisis is caused by

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Question 1 of 9

Acute adrenal crisis is caused by

Correct Answer: B

Rationale: The correct answer is B: deficiency of corticosteroids. Acute adrenal crisis is caused by a sudden and severe deficiency of cortisol and aldosterone, which are essential corticosteroids produced by the adrenal glands. Without these hormones, the body cannot regulate blood pressure, electrolyte balance, and respond to stress adequately. Acute renal failure (choice A) does not directly lead to adrenal crisis. High doses of corticosteroids (choice C) can suppress the adrenal glands but do not cause acute adrenal crisis. Overdose of testosterone (choice D) does not impact the production of cortisol and aldosterone, thus not causing acute adrenal crisis.

Question 2 of 9

The patient has been admitted to the hospital with nausea and vomiting that started 5 days earlier. Blood pressure is 80/44 mm Hg and heart rate is 122 beats/min; the patient has not voided in 8 hours, and the bladder is not distended. The nurse anticipates a prescription for “stat” administration of

Correct Answer: B

Rationale: The correct answer is B: fluid replacement with 0.45% saline. The patient's symptoms suggest dehydration and hypovolemia, indicated by low blood pressure, elevated heart rate, and lack of urine output. Fluid replacement with isotonic saline would help restore intravascular volume and improve blood pressure. Blood transfusion (A) is not indicated without evidence of significant blood loss. Inotropic agents (C) are used to improve cardiac function, which is not the primary issue in this case. Antiemetics (D) may help with nausea and vomiting but do not address the underlying cause of hypovolemia.

Question 3 of 9

A patient with newly diagnosed type 1 diabetes is being transitioned from an infusion of intravenous (IV) regular insulin to an intensive insulin therapy regimen of insulin glargine and insulin aspart. How should the nurse manage this transition in insulin delivery?

Correct Answer: D

Rationale: The correct answer is D: Discontinue the IV infusion and administer the Lantus insulin at bedtime. This is the correct approach because insulin glargine (Lantus) is a long-acting basal insulin that provides a steady level of insulin throughout the day and night. By administering it at bedtime, it mimics the basal insulin secretion in a person without diabetes. This helps maintain stable blood sugar levels overnight. Choice A is incorrect because continuing the IV insulin infusion for 24 hours alongside insulin glargine is unnecessary and may lead to insulin overdose. Choice B is incorrect because discontinuing the IV infusion in several hours without administering the long-acting insulin can lead to inadequate insulin coverage. Choice C is incorrect because insulin aspart is a rapid-acting insulin that should be given with meals, not as a basal insulin replacement at bedtime.

Question 4 of 9

The nurse has been assigned the following patients. Which patients require assessment of blood glucose control as a nursing priority? (Select all that apply.)

Correct Answer: C

Rationale: The correct answer is C because the patient with acute pancreatitis receiving TPN is at risk for hyperglycemia due to the high glucose content in TPN. Monitoring blood glucose levels is crucial to prevent complications. Explanation for why other choices are incorrect: A: The 18-year-old male post-surgery for a fractured femur does not have a direct correlation to blood glucose control assessment. B: The 29-year-old female undergoing evaluation for pheochromocytoma is not directly related to blood glucose control assessment. D: The 62-year-old morbidly obese female post-hysterectomy for ovarian cancer does not specifically require immediate blood glucose control assessment.

Question 5 of 9

Noninvasive diagnostic procedures used to determine kidney function include which of the following? (Select all that apply.)

Correct Answer: A

Rationale: The correct answer is A: Kidney, ureter, bladder (KUB) x-ray. KUB x-ray is a noninvasive diagnostic procedure that provides information about the size, shape, and position of the kidneys, ureters, and bladder. It can help detect abnormalities such as kidney stones or structural issues. Rationale: 1. KUB x-ray is noninvasive, meaning it does not require any incisions or insertion of instruments into the body. 2. It is commonly used as an initial screening tool to assess kidney function. 3. Renal ultrasound (Choice B) is also noninvasive but primarily used for imaging the kidneys and not the entire urinary system. 4. MRI (Choice C) and IVP (Choice D) are more invasive procedures that involve injecting contrast agents and may not be routinely used for initial kidney function assessment. In summary, the KUB x-ray is the correct choice as it is a noninvasive procedure specifically designed to evaluate kidney

Question 6 of 9

A patient with type 1 diabetes who is receiving a continuous subcutaneous insulin infusion via an insulin pump contacts the clinic to report mechanical failure of the infusion pump. The nurse instructs the patient to begin monitoring for signs of:

Correct Answer: B

Rationale: The correct answer is B: diabetic ketoacidosis. When an insulin pump fails, the patient may experience a sudden decrease in insulin delivery, leading to a potential rise in blood glucose levels. This can trigger diabetic ketoacidosis, characterized by hyperglycemia, ketosis, and acidosis. Monitoring for signs such as increased thirst, frequent urination, fruity breath odor, and rapid breathing is crucial. Incorrect choices: A: Adrenal insufficiency is not directly related to insulin pump failure. C: Hyperosmolar, hyperglycemic state is more common in type 2 diabetes and typically occurs with extreme hyperglycemia, not sudden pump failure. D: Hypoglycemia is less likely with pump failure due to decreased insulin delivery.

Question 7 of 9

Acute adrenal crisis is caused by

Correct Answer: B

Rationale: The correct answer is B: deficiency of corticosteroids. Acute adrenal crisis is caused by a sudden and severe deficiency of cortisol and aldosterone, which are essential corticosteroids produced by the adrenal glands. Without these hormones, the body cannot regulate blood pressure, electrolyte balance, and respond to stress adequately. Acute renal failure (choice A) does not directly lead to adrenal crisis. High doses of corticosteroids (choice C) can suppress the adrenal glands but do not cause acute adrenal crisis. Overdose of testosterone (choice D) does not impact the production of cortisol and aldosterone, thus not causing acute adrenal crisis.

Question 8 of 9

A college student was admitted to the emergency department after being found unconscious by a roommate. The roommate informs emergency medical personnel that the student has diabetes and has been experiencing flulike symptoms, including vomiting, since yesterday. The patient had been up all night studying for exams. The patient used the last diabetes testing supplies 3 days ago and has not had time to go to the pharmacy to refill prescription supplies. Based upon the history, which laboratory findings would be anticipated in this client? (Select all that apply.)

Correct Answer: B

Rationale: The correct answer is B: Blood glucose: 524 mg/dL. The patient likely has diabetic ketoacidosis (DKA) due to missed insulin doses, stress, and illness leading to high blood glucose levels. DKA is characterized by hyperglycemia, ketosis, and metabolic acidosis. A low blood glucose level (Choice A) is not consistent with DKA. HCO3- of 10 mEq/L (Choice C) indicates metabolic acidosis, but it's not specific to DKA. A PaCO2 of 37 mm Hg (Choice D) is within the normal range and not directly related to DKA.

Question 9 of 9

The patient is admitted to the unit with the diagnosis of rhabdomyolysis. The patient is started on intravenous (IV) fluids and IV mannitol. What action by the nurse is best?

Correct Answer: B

Rationale: The correct answer is B: Assess the patient's lungs. In rhabdomyolysis, muscle breakdown releases myoglobin which can cause kidney damage. Mannitol is given to prevent kidney damage by promoting diuresis. However, mannitol can also cause fluid overload and pulmonary edema. Therefore, assessing the patient's lungs is crucial to monitor for signs of fluid overload and prevent complications. A: Assessing the patient's hearing is not directly related to the management of rhabdomyolysis and mannitol administration. C: Decreasing IV fluids after administering a diuretic like mannitol can lead to inadequate fluid resuscitation and worsening kidney injury. D: Giving extra doses before radiological contrast agents is not necessary in the context of rhabdomyolysis and mannitol administration.

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