The human insulin whose onset of action occurs within ________ minutes is Humalog (Lispro).
60
15
45
30
The Correct Answer is B
A. 60: An onset of action of 60 minutes is characteristic of some types of short-acting insulin (like Regular insulin) but not rapid-acting insulins such as Humalog (Lispro). Rapid-acting insulins are designed to work much faster to cover post-meal glucose excursions.
B. 15: Humalog (insulin lispro) is a rapid-acting insulin analog, with a quick onset of action. Its effects begin within 5 to 15 minutes after subcutaneous injection, making it ideal for administration just before or immediately after a meal to manage the rise in blood glucose.
C. 45: An onset of 45 minutes would be slower than what is expected for a rapid-acting insulin like Humalog. This timeframe is closer to the onset of Regular insulin, which requires administration 30-45 minutes before a meal.
D. 30: While 30 minutes is a common instruction for administering Regular insulin before a meal, it is not the typical onset time for rapid-acting insulins like Humalog (Lispro). Humalog's action begins much sooner, allowing for greater flexibility in meal timing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Imminent convulsion: While Chvostek's signcan be associated with tetanyor severe hypocalcemia, it is not directly indicative of imminent convulsions. The signs are more suggestive of a calcium imbalance rather than seizures.
B. Hypoparathyroidism: After a total thyroidectomy, the parathyroid glandsmay be inadvertently damaged or removed, leading to hypoparathyroidism. This condition causes hypocalcemia, which can manifest as muscle crampsand a positive Chvostek's sign.
C. Hyperkalemia: Hyperkalemia(high potassium levels) can cause muscle weakness, but it does not cause a positive Chvostek's sign. The symptoms described are more specific to hypocalcemiadue to potential damage to the parathyroid glands.
D. Thyroid storm: Thyroid stormis a rare, life-threatening complication of hyperthyroidism. It is characterized by fever, tachycardia, and altered mental status, but it does not typically cause Chvostek's signor muscle cramps.
Correct Answer is D
Explanation
A. "Unsightly fatty tumors can develop when you do not adequately rotate injection sites.": While lipohypertrophy (fatty lumps under the skin) can develop from repeated use of the same injection site, the main reason for rotating sites is to avoid this and lipodystrophy.
B. "Rotating your injection sites will help to reduce your risk of infection.": Rotating injection sites can help prevent lipodystrophy, but it does not directly reduce the risk of infection. Proper technique is more important for preventing infection.
C. "Failing to rotate injection sites will improve your ability to prevent an insulin reaction.": Failing to rotate injection sites does not prevent insulin reactions. In fact, using the same site too often can cause insulin absorption problems and potentially affect blood glucose control.
D. "Rotating your injection sites will help to reduce your risk for lipodystrophy.": Lipodystrophy (which includes lipohypertrophy and lipoatrophy) can occur when insulin is repeatedly injected into the same site. Rotating injection sites helps to reduce the risk of these issues and ensures consistent insulin absorption.
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