A 38-year-old man who is an inpatient in prison is serving a life sentence because of murder in the first degree. He is interested in suicide, but his only means is to overdose on coffee, which he has free access. The lethal dose of caffeine in grams and the estimated number of cups of coffee to achieve this is which of the following?

A 38-year-old man who is an inpatient in prison is serving a life sentence because of murder in the first degree. He is interested in suicide, but his only means is to overdose on coffee, which he has free access. The lethal dose of caffeine in grams and the estimated number of cups of coffee to achieve this is which of the following?

A 53-year-old woman with schizophrenia managed for years with chlorpromazine complains of a dry mouth, constipation, blurred vision, and feeling tired. Low-potency typical antipsychotics such as chlorpromazine are known to interfere with many neurotransmitter receptors aside from their target. Which of the following type of receptors is spared from antagonism by chlorpromazine?

A 53-year-old woman is on a cruise to the Caribbean. The waters are somewhat choppy, and she fears that she will have motion sickness. She presents to the ship physician who gives her scopolamine to take to prevent motion sickness. This agent works in which of the following pathways?

After norepinephrine is released, it binds to receptors on the target organs. Then, it must be removed from the synaptic space. Which of the following mechanisms describes correct removal of norepinephrine from the synaptic space?

A 28-year-old alcoholic man is brought to the emergency department after a binge drinking. The treating physician is concerned about the risk of alcohol withdrawal and associated risk of withdrawal seizures. Which of the following medications would be most helpful in this patient to decrease these risks?