Name the following arterial blood gas (ABG) values: pH 7.47, PaCO2 32, HCO3- 23

Respiratory Acidosis

Metabolic Acidosis

Metabolic Alkalosis

Respiratory Alkalosis

Answer and Explanation

The Correct Answer is D

Choice A reason: Respiratory acidosis has low pH and high PaCO2. High pH (7.47) and low PaCO2 (32) indicate alkalosis, not acidosis, so this incorrect.

Choice B reason: Metabolic acidosis has low pH and HCO3-. High pH and normal HCO3- (23) rule this out, pointing to respiratory alkalosis, so this is incorrect.

Choice C reason: Metabolic alkalosis has high pH and high HCO3-.. Normal HCO3- and low PaCO2 indicate respiratory alkalosis, so this is incorrect.

Choice D reason: High pH (7.47) and low PaCO2 (32) with normal CO2 HCO3- confirm respiratory alkalosis due to hyperventilation. This is matches, so it’s correct.

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Free Nursing Study Resources

Correct Answer is ["A","B","C"]

Explanation

Choice A reason: Selectivity ensures a drug targets specific receptors, minimizing side effects. This is a key property of an ideal drug, making it a correct choice.

Choice B reason: Safety is critical, ensuring the drug causes minimal harm at therapeutic doses. This is a fundamental ideal drug property, so it is correct.

Choice C reason: Effectiveness ensures the drug achieves its intended therapeutic effect. This is essential for an ideal drug, making it a correct choice.

Choice D reason: Irreversible action is not ideal; reversible effects allow control and safety. The ‘Big Three’ focus on efficacy, safety, and selectivity, so this is incorrect.

Choice E reason: A trade name aids marketing but is not a pharmacological property. Effectiveness, safety, and selectivity are primary, so this is incorrect.

A. 0.9 mL B. 1.2 mL C. 0.6 mL D. 0.3 mL

Correct Answer is A

Explanation

Choice A reason: Patient weight: 198 lbs ÷ 2.2 = 90 kg. Dose: 1 mg/kg × 90 kg = 90 mg. Volume: 90 mg ÷ (30 mg/0.3 mL) = 90 × 0.3/30 = 0.9 mL. This delivers the correct anticoagulant dose for conditions like DVT, making it the accurate choice.

Choice B reason: For 90 kg (198 lbs ÷ 2.2), the dose is 90 mg. Volume: 90 mg ÷ (30 mg/0.3 mL) = 0.9 mL. Choice B (1.2 mL) delivers 120 mg (1.2 × 30/0.3), overdosing Lovenox, increasing bleeding risk, making it incorrect.

Choice C reason: The correct volume for 90 mg is 0.9 mL (90 ÷ 30 mg/0.3 mL). Choice C (0.6 mL) delivers 60 mg (0.6 × 30/0.3), underdosing Lovenox, reducing anticoagulant efficacy, which could fail to prevent thrombosis, making this choice incorrect.

Choice D reason: For 90 mg, the volume is 0.9 mL. Choice D (0.3 mL) delivers 30 mg (0.3 × 30/0.3), significantly underdosing Lovenox for a 90 kg patient, risking inadequate anticoagulation and thrombotic events, making this choice incorrect.

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Name the following arterial blood gas (ABG) values: pH 7.47, PaCO2 32, HCO3- 23

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What are considered the ‘Big Three’ properties of an ideal drug? (Select all that apply)

Correct Answer is ["A","B","C"]

Explanation

The healthcare provider orders Lovenox 1 mg/kg SQ now. Your patient weighs 198 lbs. The available concentration is Lovenox 30 mg/0.3 mL. How many mL will the patient receive?

Correct Answer is A

Explanation

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