The most likely explanation for the increased sensitivity of elderly patients to a single dose of triazolam and other sedative-hypnotic drugs is

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Central Nervous System Stimulants and Related Drugs NCLEX Questions Quizlet Questions

Question 1 of 5

The most likely explanation for the increased sensitivity of elderly patients to a single dose of triazolam and other sedative-hypnotic drugs is

A. Changes in brain function that accompany the aging process B. Decreased renal function C. Increased cerebral blood flow D. Decreased hepatic metabolism of lipid-soluble drugs

Correct Answer: A

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

Question 2 of 5

Following is GABA-B agonist

A. Muscimol B. Baclofen C. Picrotoxin D. Bicuculline

Correct Answer: B

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

Question 3 of 5

Which one of the following statements about the toxicity of local anesthetics is most correct?

A. Serious cardiovascular reactions are more likely to occur with tetracaine than with bupivacaine B. Cyanosis may occur following injection of large doses of lidocaine, especially in patients with pulmonary disease C. Intravenous injection of local anesthetics may stimulate ectopic cardiac pacemaker activity D. In overdosage, hyperventilation (with oxygen) is helpful to correct acidosis and lower extracellular potassium

Correct Answer: D

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

Question 4 of 5

Which one of the following drugs given preoperatively will prevent postoperative pain caused by succinylcholine?

A. Baclofen B. Dantrolene C. Diazepam D. Lidocaine

Correct Answer: D

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

Question 5 of 5

Concerning hypotheses for the pathophysiologic basis of schizophrenia, which one of the following statements is accurate?

A. Positron emission tomography has shown decreased dopamine receptors in the brains of both untreated and drug-treated schizophrenics B. Drugs that block dopamine receptors are useful for alleviating psychotic symptoms in parkinsonian patients C. The clinical potency of many antipsychotic drugs correlates well with their beta adrenoceptor-blocking actions D. All effective antipsychotic drugs have high affinity for dopamine D2 receptors

Correct Answer: D

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

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