The patient's blood sugar level was 152 mg per dL at 1700 hr. How much insulin should be given using the following insulin sliding scale?
2 units.
3 units.
4 units.
5 units.
The Correct Answer is C
Choice A rationale
2 units is insufficient to bring down a blood sugar level of 152 mg/dL adequately. According to the sliding scale, 2 units typically lower blood sugar by 50-60 mg/dL, which might not be enough for this level.
Choice B rationale
3 units might reduce blood sugar by approximately 75-90 mg/dL. However, this reduction may not be adequate to bring the blood sugar level within the target range, depending on individual response to insulin.
Choice C rationale
4 units of insulin are suitable for a blood sugar level of 152 mg/dL. Generally, 1 unit of insulin lowers blood sugar by 30-50 mg/dL. Administering 4 units should ideally lower the blood sugar level to the desired range.
Choice D rationale
5 units of insulin could result in an excessive drop in blood sugar levels. It could reduce the blood sugar level by 150-200 mg/dL, which might risk hypoglycemia, making it an unsuitable choice for a blood sugar level of 152 mg/dL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Abruptio placentae involves the premature separation of the placenta from the uterine wall, causing continuous abdominal pain and vaginal bleeding. This condition is a medical emergency that can compromise fetal and maternal health.
Choice B rationale
Premature rupture of membranes is characterized by the leaking or gushing of amniotic fluid, not continuous abdominal pain and vaginal bleeding. It usually doesn't present with severe pain unless there are complications like infection.
Choice C rationale
Placenta previa is where the placenta covers the cervical opening, causing painless vaginal bleeding. It typically does not involve continuous abdominal pain, distinguishing it from abruptio placentae.
Choice D rationale
Prolapsed cord occurs when the umbilical cord slips ahead of the baby during delivery, which is a different obstetric emergency. It does not present with continuous abdominal pain and vaginal bleeding.
Correct Answer is D
Explanation
Choice A rationale
A hymenal tag and white discharge on the genitalia are normal findings in newborn females, often due to maternal hormone exposure.
Choice B rationale
Edema on the scalp that crosses suture lines, known as caput succedaneum, is common and typically resolves on its own without intervention.
Choice C rationale
A heart murmur in a newborn can be normal, as many murmurs are benign and resolve as the newborn's circulation adjusts post-birth.
Choice D rationale
A large, deep sacral dimple above the gluteal cleft can be an indication of underlying spinal abnormalities, such as spina bifida, and requires further evaluation.
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