Half life (t1/2) is the time required to:

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Quizlet Lifespan Considerations for Nursing Pharmacology with Rationals Questions

Question 1 of 5

Half life (t1/2) is the time required to:

A. Change the amount of a drug in plasma by half during elimination B. Metabolize a half of an introduced drug into the active C. Absorb a half of an introduced drug D. Bind a half of an introduced drug to plasma proteins

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 2 of 5

Which of the following receptor-ligand pathway is TRUE:

A. insulin and G-protein receptor B. mineralocorticoid and tyrosine kinase receptor C. vitamin D and intracellular receptor D. adrenaline and ligand gated channel receptor

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 3 of 5

Regarding phenytoin, all the following are true EXCEPT:

A. oral bioavailability is variable B. binds poorly with plasma proteins C. metabolism is enhanced in presence of inducers of liver metabolism D. elimination kinetics shift from first order to zero order at moderate to high dose

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 4 of 5

With regard to oral anti-asthmatic agents:

A. prednisone is a long acting glucocorticoid B. methotrexate has been shown to be beneficial in prednisone-dependent asthmatics in all studies C. cyclosporin's toxicity limits its use as an oral anti-asthmatic agent D. oral nifedipine significantly inhibits exercise-induced bronchoconstriction

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Question 5 of 5

When sending individuals home for a home visit, you must:

A. review with the individual how to take his medication correctly before she or he leaves. B. punch out the medications into timed envelopes and send them home with him/her. C. send home all the required medications as packaged from the pharmacy and the MAR. D. notify the family what medications the individuals must have so they can go to the pharmacy.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

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