Nokea
The patient is on intake and output (I&O), as well as daily weights. The nurse notes that output is considerably less than intake over the last shift, and daily weight is 1 kg more than yesterday. The nurse should
- A. draw a trough level after the next dose of antibiotic.
- B. obtain an order to place the patient on fluid restriction.
- C. assess the patient’s lungs.
- D. insert an indwelling catheter.
Correct Answer: C
Rationale: The correct answer is C: assess the patient's lungs. The discrepancy between intake, output, and weight gain indicates a potential fluid imbalance. By assessing the patient's lungs, the nurse can identify signs of fluid overload, such as crackles or difficulty breathing, which could explain the weight gain and imbalance. This step is crucial in determining the underlying cause and guiding further interventions. Drawing a trough level (A) or inserting an indwelling catheter (D) are not necessary at this point and may not address the immediate issue. Placing the patient on fluid restriction (B) should only be considered after a thorough assessment to determine the cause of the imbalance.
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In hyperosmolar hyperglycemic syndrome, the laboratory results are similar to those of diabetic ketoacidosis, with three major exceptions. What differences would you expect to see in patients with hyperosmolar hyperglycemic syndrome?
- A. Lower serum glucose, lower osmolality, and greater ketosis
- B. Lower serum glucose, lower osmolality, and milder ketosis
- C. Higher serum glucose, higher osmolality, and greater ketosis
- D. Higher serum glucose, higher osmolality, and no ketosis
Correct Answer: D
Rationale: In hyperosmolar hyperglycemic syndrome, patients have high blood glucose levels, leading to dehydration and increased serum osmolality. Unlike diabetic ketoacidosis, there is no significant ketosis in hyperosmolar hyperglycemic syndrome. Therefore, the correct answer is D: Higher serum glucose, higher osmolality, and no ketosis.
A: Lower serum glucose, lower osmolality, and greater ketosis - This is incorrect because hyperosmolar hyperglycemic syndrome is characterized by high blood glucose levels and no significant ketosis.
B: Lower serum glucose, lower osmolality, and milder ketosis - This is incorrect because hyperosmolar hyperglycemic syndrome presents with higher glucose levels and no ketosis.
C: Higher serum glucose, higher osmolality, and greater ketosis - This is incorrect because hyperosmolar hyperglycemic syndrome does not typically involve significant ketosis.
Complications common to patients receiving hemodialysis for acute kidney injury include which of the following? (Select all that apply.)
- A. Hypotension
- B. Dysrhythmias
- C. Muscle cramps
- D. Hemolysis
Correct Answer: A
Rationale: The correct answer is A: Hypotension. Hemodialysis can lead to hypotension due to rapid fluid removal, causing a drop in blood pressure. This occurs as the dialysis machine removes excess fluid, affecting plasma volume. Hypotension can result in complications like dizziness, nausea, and potential cardiac issues. Dysrhythmias (B) are less common during hemodialysis for acute kidney injury. Muscle cramps (C) may occur due to electrolyte imbalances but are not as common as hypotension. Hemolysis (D) is not a common complication of hemodialysis but can occur if there are issues with the dialysis machine or blood tubing.
The nurse is caring for a patient who suffered a head trauma following a fall. The patient’s heart rate is 112 beats/min and blood pressure is 88/50 mm Hg. The patient has poor skin turgor and dry mucous membranes. The patient is confused and restless. The following laboratory values are reported: serum sodium is 115 mEq/L; blood urea nitrogen (BUN) 50 mg/dL; and creatinine 8 mg/dL. The findings are consistent with which disorder?
- A. Cerebral salt wasting
- B. Diabetes insipidus
- C. Syndrome of inappropriate secretion of antidiuretic hormone
- D. Thyroid storm
Correct Answer: A
Rationale: The correct answer is A: Cerebral salt wasting. This is indicated by the low serum sodium level (115 mEq/L), which can occur in patients with head trauma and lead to excessive sodium loss through the kidneys. This results in hypovolemia, leading to low blood pressure and tachycardia. The elevated BUN (50 mg/dL) and creatinine (8 mg/dL) levels suggest dehydration and renal impairment due to volume depletion. The patient's poor skin turgor, dry mucous membranes, confusion, and restlessness further support the diagnosis of cerebral salt wasting.
Summary:
B: Diabetes insipidus is characterized by excessive urination and thirst due to insufficient production of antidiuretic hormone (ADH). This patient's symptoms are not consistent with diabetes insipidus.
C: Syndrome of inappropriate secretion of antidiuretic hormone (SIADH) is characterized by excessive release of ADH, leading to water retention and
In the management of diabetic ketoacidosis and hyperosmolar hyperglycemic syndrome, when is an intravenous (IV) solution that contains dextrose started?
- A. Never; normal saline is the only appropriate solution in diabetes management
- B. When the blood sugar reaches 70 mg/dL
- C. When the blood sugar reaches 150 mg/dL
- D. When the blood glucose reaches 250 mg/dL
Correct Answer: D
Rationale: Correct Answer: D
Rationale: In diabetic emergencies, starting IV dextrose at 250 mg/dL prevents hypoglycemia while resolving ketoacidosis. Below 250 mg/dL, the body can use endogenous glucose, so IV dextrose is not necessary.
Summary:
A: Incorrect. Normal saline may be used for initial fluid resuscitation but does not address the need for glucose.
B: Incorrect. Starting dextrose at 70 mg/dL may lead to unnecessary hyperglycemia and complications.
C: Incorrect. Waiting until 150 mg/dL delays the provision of necessary glucose for metabolic functions.
Which of the following would be seen in a patient with myxedema coma?
- A. Decreased reflexes
- B. Hyperthermia
- C. Hyperventilation
- D. Tachycardia
Correct Answer: A
Rationale: The correct answer is A: Decreased reflexes. In myxedema coma, a severe form of hypothyroidism, patients often present with decreased mental status, hypothermia, and bradycardia. Decreased reflexes are a common neurological manifestation due to the slowing of metabolic processes and the central nervous system depression associated with this condition. Hyperthermia (B) is not typically seen in myxedema coma, as patients usually have low body temperature. Hyperventilation (C) is also unlikely, as respiratory depression is more common. Tachycardia (D) is incorrect because bradycardia is more characteristic of myxedema coma.