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A nurse is preparing to administer haloperidol 5 mg IM to a client. The amount available is haloperidol 20 mg/mL. How many mL should the nurse administer?

(Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.25"]

To calculate the volume of haloperidol solution needed, we can use the formula:

Volume (mL)=Dose (mg)/Concentration (mg/mL)

Given: Dose of haloperidol = 5 mg

Concentration of haloperidol solution = 20 mg/mL

Substituting the given values into the formula:

Volume (mL)=5 mg/20 mg/mL

Volume (mL)=5/20

Volume (mL)=0.25 mL

Rounded to the nearest hundredth, the nurse should administer 0.25 mL of haloperidol solution.

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Correct Answer is D

Explanation

A. Protamine: Protamine is used as an antidote for heparin, not for benzodiazepines.

B. Naloxone: Naloxone is an opioid antagonist used to reverse the effects of opioids, such as morphine or heroin. It does not antagonize the effects of benzodiazepines.

C. Diphenhydramine: Diphenhydramine is an antihistamine medication commonly used for allergy relief and as a sleep aid. It does not antagonize the effects of benzodiazepines.

D. Flumazenil: Flumazenil is a benzodiazepine receptor antagonist. It is used to reverse the effects of benzodiazepine overdose or to rapidly reverse the sedative effects of benzodiazepines in cases such as anesthesia recovery. Therefore, it is the correct option for antagonizing benzodiazepines.

A. Brain natriuretic peptide B. Erythrocyte sedimentation rate C. Thyroid hormone assay D. Liver function tests

Correct Answer is C

Explanation

A. Brain natriuretic peptide - Brain natriuretic peptide (BNP) is primarily used to diagnose heart failure and assess its severity. It is not routinely monitored in clients taking lithium.

B. Erythrocyte sedimentation rate - Erythrocyte sedimentation rate (ESR) is a nonspecific marker of inflammation and is not specifically related to lithium therapy monitoring.

C. Thyroid hormone assay - Monitoring thyroid function is essential in clients taking lithium because lithium can affect thyroid function, leading to hypothyroidism or hyperthyroidism. Therefore, checking thyroid hormone levels (T3, T4, and TSH) is important before administering lithium.

D. Liver function tests - While lithium can affect liver function in some cases, routine monitoring of liver function tests is not typically required for clients taking lithium. However, periodic liver function tests may be ordered if clinically indicated or if the client has underlying liver disease.

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A nurse is preparing to administer haloperidol 5 mg IM to a client. The amount available is haloperidol 20 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

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A nurse is preparing to administer haloperidol 5 mg IM to a client. The amount available is haloperidol 20 mg/mL. How many mL should the nurse administer?

(Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)