Which term means the point at which a medication has the optimal desired effect?

Therapeutic level

therapeutic index

Toxic level

Therapeutic range

Answer and Explanation

The Correct Answer is A

A. Therapeutic level: This is the correct answer. It refers to the concentration of a drug in the bloodstream at which it achieves the desired effect without causing toxicity.

B. Therapeutic index: This is a ratio that compares the toxic dose to the therapeutic dose of a drug. It does not refer to the point of optimal effect.

C. Toxic level: This refers to the concentration of a drug at which it becomes harmful or toxic. It is not associated with the desired effect.

D. Therapeutic range: This refers to the range between the minimum effective concentration and the toxic concentration of a drug. It does not pinpoint the optimal effect but indicates the safe range.

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Correct Answer is C

Explanation

A. Upset stomach: An upset stomach is not typically associated with anaphylaxis. It could be a symptom of many other less severe conditions.

B. Hallucinations: Hallucinations are not a common symptom of anaphylaxis. They might occur in other medical conditions or as a side effect of certain drugs.

C. Wheezing: Wheezing is a classic sign of anaphylaxis, indicating airway constriction due to a severe allergic reaction.

D. Bleeding gums: Bleeding gums are not a sign of anaphylaxis. They may indicate a different medical issue, such as a blood clotting disorder.

A. "This medication will replace vitamins and minerals that may be lost due to bleeding during surgery." B. "This is a palliative medication to help ease the pain from surgery." C. "This medication will help the surgeon identify areas of bone destruction due to arthritis." D. "This antibiotic is given as a prophylactic to help reduce the risk of infection after surgery."

Correct Answer is D

Explanation

A. "This medication will replace vitamins and minerals that may be lost due to bleeding during surgery." Cefazolin is an antibiotic, not a replacement for vitamins and minerals. This statement is incorrect.

B. "This is a palliative medication to help ease the pain from surgery."Cefazolin is not a palliative medication; it is an antibiotic used to prevent infection, not to relieve pain.

C. "This medication will help the surgeon identify areas of bone destruction due to arthritis." Cefazolin does not aid in the identification of bone destruction. It is an antibiotic, not a diagnostic tool.

D. "This antibiotic is given as a prophylactic to help reduce the risk of infection after surgery."
This statement is correct. Cefazolin is given prophylactically to reduce the risk of postoperative infection.

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Which term means the point at which a medication has the optimal desired effect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

which of the following is a sign of anaphylaxis?

Correct Answer is C

Explanation

While caring for a patient scheduled for knee replacement surgery, the nurse provides cefazolin(antibiotic) as ordered 30 minutes preoperatively. Which statement indicates that teaching has been effective?

Correct Answer is D

Explanation

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