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Explanation:

Diazepam has the most rapid onset of action among orally administered benzodiazepines.

Explanation:

This is an example of conservation of volume, which begins in the concrete operational stage. During this stage, children start to understand the concept of conservation—that is, the realization that quantity does not change even when its shape does. This stage typically occurs between the ages of 7 and 11 years old.

Explanation:

Fluoxetine has the longest half-life of all the SSRIs, one to three days, because of a metabolite. Paroxetine, the SSRI with a long t1/2 compared to the others, has a half-life of only 21 hours.

Explanation:

There is a 77% increase in risk for Afro-Caribbean people to develop clozapine-induced neutropenia. Other risk factors include young age and having a low baseline white cell count.

Explanation:

Clonazepam is commonly used to treat REM sleep behavior disorder, which is often associated with Parkinson’s disease.

Explanation:

Due to its longer half-life, missing fluoxetine for a day or two will not usually cause acute withdrawal symptoms. This is a safe bet for the patient described in this question.

Explanation:

Cough and cold medications bought over the counter often contain alcohol and can precipitate such Disulfiram reaction. Severe Antabuse reaction (also known as disulfiram reaction) is characterized by respiratory depression, seizures, cardiovascular collapse, and even death.

Explanation:

Diazepam is a benzodiazepine which has a very long elimination half-life (20 – 100 hours with an active metabolite 36 – 200 hours); as a result withdrawal symptoms are not very common with diazepam.

Explanation:

Antipsychotics, methylphenidate, acetazolamide, aspirin, cimetidine, thiazides, fluoxetine and sodium bicarbonate increase tricyclic antidepressant (TCA) concentrations. Cigarette smoking decreases their concentration through its action on the 1A2 enzyme.

Explanation:

Animistic thinking occurs in the preoperational stage, not in the sensorimotor stage. The sensorimotor stage, which lasts from birth to about 2 years of age, involves the development of object permanence, where infants learn that objects continue to exist even when they are out of sight. Primary and secondary circular reactions and early representational thought are also features of this stage.

Explanation:

Cross tolerance refers to decreased response to one medication due to exposure to a different medication. Here exposure to barbiturates has produced cross-tolerance to benzodiazepines.