The nurse is preparing to administer Regular insulin to a client with a blood glucose of 265. What action should the nurse take to determine the correct dose?

Review the patient’s previous blood glucose levels

No review is necessary before administering insulin

Review the Regular insulin sliding scale for administration in the patient’s electronic medical record

Review the patient’s previous insulin administration doses

Answer and Explanation

The Correct Answer is C

Choice A reason: This is incorrect. Reviewing the patient’s previous blood glucose levels may not be helpful in determining the correct dose of insulin, as the blood glucose level can fluctuate depending on various factors, such as food intake, activity, stress, and illness. The previous blood glucose levels may not reflect the current insulin needs of the patient¹.

Choice B reason: This is incorrect. No review is not an option before administering insulin, as insulin is a highalert medication that can cause serious harm if given incorrectly. The nurse should always check the patient’s blood glucose level, the insulin order, the insulin type, the insulin dose, the insulin expiration date, and the insulin injection site before giving insulin.

Choice C reason: This is correct. Reviewing the Regular insulin sliding scale for administration in the patient’s electronic medical record is the best action to determine the correct dose of insulin. A sliding scale is a chart of insulin dosages based on blood glucose level and mealtime. It is used to adjust the insulin dose according to the patient’s blood glucose level and insulin sensitivity. The nurse should follow the sliding scale protocol and verify the insulin dose with another nurse before administering it.

Choice D reason: This is incorrect. Reviewing the patient’s previous insulin administration doses may not be helpful in determining the correct dose of insulin, as the insulin dose may vary depending on the patient’s blood glucose level and insulin sensitivity. The previous insulin doses may not reflect the current insulin needs of the patient¹.

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Correct Answer is A

Explanation

Choice A reason: This is correct. Excedrin contains a combination of aspirin, acetaminophen, and caffeine. Aspirin is a nonsteroidal anti-inflammatory drug (NSAID) that reduces pain, inflammation, and swelling. Acetaminophen is a pain reliever and a fever reducer. Caffeine is a central nervous system stimulant that enhances the pain-relieving function of aspirin and acetaminophen.

Choice B reason: This is incorrect. Ibuprofen and naproxen are both NSAIDs, but they are not the same as aspirin. They have different chemical structures and may have different effects and side effects. Caffeine is not an ingredient in ibuprofen or naproxen products.

Choice C reason: This is incorrect. Loratadine is an antihistamine that is used to treat allergies, not headaches. It does not have any pain-relieving or anti-inflammatory properties. Caffeine is not an ingredient in loratadine products.

Choice D reason: This is incorrect. Naproxen is an NSAID, but it is not the same as aspirin. It has a different chemical structure and may have different effects and side effects. Loratadine is an antihistamine that is used to treat allergies, not headaches. It does not have any pain-relieving or anti-inflammatory properties. Caffeine is not an ingredient in acetaminophen, naproxen, or loratadine products.

A. Monoamine oxidase inhibitors (MAOIs) B. Betablockers C. Benzodiazepines D. Selective serotonin reuptake inhibitors (SSRIs)

Correct Answer is D

Explanation

Choice A reason: Monoamine oxidase inhibitors (MAOIs) are not the correct class of medications to which escitalopram (Lexapro) belongs. MAOIs are a group of antidepressants that work by inhibiting the enzyme monoamine oxidase, which breaks down neurotransmitters such as serotonin, norepinephrine, and dopamine. MAOIs can increase the levels of these neurotransmitters in the brain and improve mood and energy. However, MAOIs can also cause serious side effects and interactions with other drugs and foods, and they are not commonly used as firstline treatment for depression. Escitalopram is not an MAOI, and it should not be taken with MAOIs or within 14 days of stopping or starting MAOIs, as this can cause a dangerous drug interaction called serotonin syndrome.

Choice B reason: Betablockers are not the correct class of medications to which escitalopram (Lexapro) belongs. Betablockers are a group of drugs that work by blocking the beta receptors on the heart and blood vessels, which are stimulated by adrenaline and noradrenaline. Betablockers can lower the heart rate, blood pressure, and cardiac output, and they are used to treat conditions such as hypertension, angina, arrhythmias, and heart failure. Betablockers can also reduce anxiety and tremors, but they are not antidepressants and they do not affect serotonin levels. Escitalopram is not a betablocker, and it does not have any significant effect on the cardiovascular system.

Choice C reason: Benzodiazepines are not the correct class of medications to which escitalopram (Lexapro) belongs. Benzodiazepines are a group of drugs that work by enhancing the activity of the neurotransmitter gammaaminobutyric acid (GABA), which has a calming and sedating effect on the brain. Benzodiazepines are used to treat anxiety, insomnia, seizures, and muscle spasms, and they can also cause relaxation, drowsiness, and amnesia. Benzodiazepines are not antidepressants and they do not affect serotonin levels. Escitalopram is not a benzodiazepine, and it does not have any significant effect on GABA receptors .

Choice D reason: Selective serotonin reuptake inhibitors (SSRIs) are the correct class of medications to which escitalopram (Lexapro) belongs. SSRIs are a group of antidepressants that work by blocking the reuptake of serotonin by the nerve cells, which increases the availability of serotonin in the synaptic cleft. Serotonin is a neurotransmitter that regulates mood, appetite, sleep, and cognition, and low levels of serotonin are associated with depression and anxiety. SSRIs can improve the symptoms of depression and anxiety by enhancing the serotonin signaling in the brain. Escitalopram is an SSRI, and it is used to treat major depressive disorder and generalized anxiety disorder.

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The nurse is preparing to administer Regular insulin to a client with a blood glucose of 265. What action should the nurse take to determine the correct dose?

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Naxlex Comprehensive Predictor Exams

A patient with frequent tension headaches asks the nurse about over-the-counter remedies. The nurse knows that Excedrin combines which of the following active ingredients to address pain, inflammation, and increased vascular tone associated with headaches?

Correct Answer is A

Explanation

Escitalopram (Lexapro) belongs to which class of medications?

Correct Answer is D

Explanation

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