An increase in which serum lab value indicates to the nurse that a prescription for atorvastatin is having the desired effect for a client at risk for coronary artery disease?

Low-density lipoprotein (LDL)

Prothrombin time (PT).

Creatine phosphokinase (CK)

High-density lipoprotein (HDL).

Answer and Explanation

The Correct Answer is D

A. Low-density lipoprotein (LDL): Atorvastatin's primary effect is to decrease LDL cholesterol levels. A decrease in LDL levels would indicate the medication is working as intended, not an increase.
B. Prothrombin time (PT): PT is a measure of blood clotting, which is not directly affected by atorvastatin. This value is more relevant for monitoring anticoagulant therapy.

C. Creatine phosphokinase (CK): CK levels can be used to monitor for muscle damage or side effects related to statin use. An increase in CK levels would suggest muscle damage, not the effectiveness of the statin.
D. High-density lipoprotein (HDL): Atorvastatin is a statin medication used to lower cholesterol levels, particularly low-density lipoprotein (LDL) cholesterol, which is a key target in reducing the risk of coronary artery disease (CAD). While the primary goal of atorvastatin is to lower LDL cholesterol, an increase in HDL cholesterol (often termed "good" cholesterol) is also desirable as it can help reduce the risk of CAD. Therefore, an increase in HDL is a positive indicator that the medication is having a beneficial effect.

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Correct Answer is B

Explanation

A. Accommodation: Mydriatic eye drops cause dilation of the pupils, but they do not directly affect the eye's ability to accommodate or focus on near objects. Therefore, accommodation may still be functional, though it can be affected indirectly due to the dilated pupils.
B. Pupillary constriction: Mydriatic eye drops are designed to dilate the pupils, so they inhibit or prevent pupillary constriction. This is the primary purpose of these drops, so pupillary constriction will not occur during their therapeutic effect.
C. Refraction: Refraction refers to the bending of light as it passes through the eye to focus on the retina. This function is generally maintained even when mydriatic drops are used, though changes in pupil size can affect the amount of light entering the eye.
D. Eye convergence: Convergence involves the inward movement of both eyes toward each other to maintain single binocular vision when focusing on a close object. While mydriatic drops primarily affect pupil dilation, convergence can still occur, though it may be affected by the degree of dilation.

A. Expresses that they cannot get enough air to breathe. B. Respiratory rate of 7 breaths/minute. C. Intercostal retractions and bilateral wheezing on auscultation. D. Pulse oximeter reading of 89% on room air.

Correct Answer is B

Explanation

A. Expresses that they cannot get enough air to breathe: While this is concerning, it is less specific than a respiratory rate finding for opioid overdose.
B. Respiratory rate of 7 breaths/minute: This indicates severe respiratory depression, a critical sign of opioid overdose, which necessitates immediate administration of naloxone.
C. Intercostal retractions and bilateral wheezing on auscultation: These signs suggest respiratory distress but do not directly indicate an opioid overdose.
D. Pulse oximeter reading of 89% on room air: While low, this reading does not specifically indicate opioid overdose unless accompanied by respiratory depression.

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An increase in which serum lab value indicates to the nurse that a prescription for atorvastatin is having the desired effect for a client at risk for coronary artery disease?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is assessing the eyes of a client who just received mydriatic eye drops. Which physiological function of the eye will not respond during the therapuetic period after administration of the eye drops?

Correct Answer is B

Explanation

A client is receiving morphine sulfate via a patient-controlled analgesia (PCA) pump postoperatively. Which assessment finding should prompt the nurse to administer a prescribed PRN dose of naloxone?

Correct Answer is B

Explanation

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