A nurse is preparing to administer insulin to a client with DM. The nurse understands that the peak time for rapid-acting insulin, such as lispro (Humalog), is:

Correct Answer: A

Rationale: The correct answer is A: 30 minutes to 1 hour after administration. Rapid-acting insulins like lispro, such as Humalog, peak quickly within 30 minutes to 1 hour after administration. This peak time is crucial to monitor for potential hypoglycemia, which is most likely to occur during this period. Choice B is incorrect as it suggests a longer peak time for rapid-acting insulin, which is inaccurate. Choices C and D are also incorrect because they indicate even longer peak times, which do not align with the rapid onset and peak action of lispro insulin.

Correct Answer: A

Rationale: Excessive thirst, also known as polydipsia, is a hallmark symptom of hyperglycemia. When blood glucose levels are high, the body tries to eliminate the excess glucose through urine, leading to increased urination and subsequent thirst. Sweating, shaking, and hunger are more commonly associated with hypoglycemia, not hyperglycemia. Sweating can occur when blood sugar levels drop too low, shaking is a sign of hypoglycemia, and hunger is often a result of low blood sugar levels triggering the body to seek fuel.

Correct Answer: A

Rationale: In a client experiencing hypoglycemia, tachycardia is a common symptom. This occurs due to the release of adrenaline in response to low blood glucose levels, which stimulates the heart to beat faster. Polyuria, the increased production of urine, flushed skin, and dry mouth are not typical symptoms of hypoglycemia. Polyuria is more commonly associated with conditions like diabetes insipidus or uncontrolled diabetes mellitus. Flushed skin and dry mouth are not direct physiological responses to low blood sugar levels.

Correct Answer: D

Rationale: In a client with diabetes insipidus, excessive thirst (polydipsia) and excessive urination (polyuria) are expected symptoms due to the inability to concentrate urine, leading to dilute urine production. Nocturia, waking up at night to urinate, is also common. However, hypertension is not a typical symptom of diabetes insipidus. The correct answer is D because hypertension may indicate a complication such as dehydration or electrolyte imbalances, which would require further assessment in a client with diabetes insipidus.

Correct Answer: B

Rationale: The correct answer is B: Hypoglycemia. When a client with diabetes mellitus is taking oral antidiabetic medication, the nurse should closely monitor for hypoglycemia, which is a common adverse effect. Hypoglycemia occurs when the blood sugar levels drop below normal range, leading to symptoms like confusion, shakiness, and sweating. Weight gain (Choice A) is not a typical adverse effect of oral antidiabetic medications. Hyperglycemia (Choice C) is the opposite of the desired effect of antidiabetic medications, which aim to lower blood sugar levels. Bradycardia (Choice D) is not directly associated with oral antidiabetic medications; it refers to a slow heart rate.