A client is to receive a continuous Heparin infusion at s00 units per hour. Pharmacy supplies Heparin in a concentration of 25,000 units per 250mL of NSS.

Calculate the rate at which the nurse should set the infusion pump.

Answer and Explanation

The Correct Answer is ["5"]

Step 1: Determine the concentration of Heparin in units per mL. 25,000 units ÷ 250 mL = 100 units per mL Result: 100

Step 2: Determine the rate in mL per hour needed to deliver 500 units per hour. 500 units ÷ 100 units per mL = 5 mL per hour Result: 5 mL per hour

The nurse should set the infusion pump to deliver at a rate of 5 mL per hour.

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Correct Answer is C

Explanation

Choice A Reason:

Emotional injury and learned helplessness. While emotional injury and learned helplessness are significant consequences of intimate partner violence (IPV), they are not the central factors driving the dynamic of IPV. Learned helplessness refers to a state where the victim feels powerless to change their situation due to repeated exposure to traumatic events. Emotional injury is a result of the abuse but not a driving factor.

Choice B Reason:

Poor communication and social isolation. Poor communication and social isolation can exacerbate the situation but are not the primary factors central to the dynamic of IPV. Social isolation is often a tactic used by abusers to control their victims, but it is a consequence rather than a cause. Poor communication can contribute to misunderstandings and conflicts but is not the root cause of IPV.

Choice C Reason:

Power and control. This statement is correct. The central dynamic of intimate partner violence is the abuser’s desire to exert power and control over their partner. This need for dominance manifests through various abusive behaviors, including physical, emotional, psychological, and financial abuse. The Power and Control Wheel, a tool developed by the Domestic Abuse Intervention Project, illustrates how different abusive tactics are used to maintain control over the victim.

Choice D Reason:

Erratic relationships and vulnerability. Erratic relationships and vulnerability are characteristics often seen in IPV situations but are not central to the dynamic. Vulnerability can make individuals more susceptible to abuse, and erratic relationships can be a symptom of the abuse, but they do not drive the abusive behavior5.

Correct Answer is ["2"]

Explanation

Step 1: Identify the dosage required and the concentration available.

Required dosage: 40 mg
Available concentration: 20 mg/mL

Step 2: Calculate the volume to be administered.

Volume to be administered = Required dosage ÷ Available concentration
Volume to be administered = 40 mg ÷ 20 mg/mL

Step 3: Perform the division.

Volume to be administered = 40 ÷ 20
Volume to be administered = 2 mL

Step 4: Round the answer to the nearest whole number (if necessary).

Volume to be administered = 2 mL (no rounding needed)

The nurse should administer 2 mL.

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A client is to receive a continuous Heparin infusion at s00 units per hour. Pharmacy supplies Heparin in a concentration of 25,000 units per 250mL of NSS. Calculate the rate at which the nurse should set the infusion pump.

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Naxlex Comprehensive Predictor Exams

The nurse understands that which factors are central to the dynamic of intimate partner violence?

Correct Answer is C

Explanation

A nurse is preparing to administer fluoxetine 40 mg PO daily. The amount available is fluoxetine 20 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["2"]

Explanation

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A client is to receive a continuous Heparin infusion at s00 units per hour. Pharmacy supplies Heparin in a concentration of 25,000 units per 250mL of NSS.

Calculate the rate at which the nurse should set the infusion pump.