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 D
Explanation
Choice A rationale
The hearing screening test is not related to brain development but specifically to the ability to hear sounds. It assesses the infant's auditory pathway from the ear to the brainstem to identify potential hearing loss early on.
Choice B rationale
This test does not assess for heart defects. Heart defects are usually detected through physical examination, pulse oximetry screening, or echocardiography, not through auditory tests.
Choice C rationale
Seizure disorders are diagnosed based on clinical presentation and electroencephalogram (EEG) results. The hearing screening test does not have any connection to identifying seizure disorders.
Choice D rationale
The primary purpose of the newborn hearing screening is to detect if the baby can hear various sounds, enabling early intervention if hearing loss is detected. Early identification and management are essential for speech and language development.
Correct Answer is B
Explanation
Choice A rationale
Magnesium sulfate is used to manage preeclampsia and prevent seizures, not for treating postpartum hemorrhage. It does not address the causes of excessive vaginal bleeding post-birth.
Choice B rationale
Tranexamic acid is an antifibrinolytic agent that helps reduce bleeding by preventing the breakdown of blood clots, making it suitable for managing postpartum hemorrhage.
Choice C rationale
Betamethasone is a corticosteroid used to mature fetal lungs in preterm labor, not for treating postpartum hemorrhage. It has no role in managing excessive bleeding after birth.
Choice D rationale
Terbutaline is a tocolytic used to delay preterm labor by relaxing uterine muscles. It is not used to manage postpartum hemorrhage and excessive vaginal bleeding.
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