Adrenergic Receptors

A 7-year old child with a previous history of bee sting allergy is brought to the emergency department after being stung by 3 bees. Which of the following are probable signs of the anaphylactic reaction to bee sting?

A 7-year old child with a previous history of bee sting allergy is brought to the emergency department after being stung by 3 bees. If this child has signs of anaphylaxis, what is the treatment of choice?

A 65 year old woman with long-standing diabetes mellitus is admitted to the ward from the emergency department, and you wish to examine her retinas for possible changes. Which of the following drugs is a good choice when pupillary dilation but - not cycloplegia - is desired?

A 30-year-old man is admitted to the emergency department after taking a suicidal overdose of reserpine. His blood pressure is 50/0 mm Hg and heart rate is 40 bpm. Which of the following would be the most effective cardiovascular stimulant?

When a moderate pressor dose of norepinephrine is given after pretreatment with a large dose of atropine, which of the following is the most probable response to the norepinephrine?

Which of the following drugs will prevent tachycardia evoked by isoproterenol?

Your patient is to receive a selective Beta-2 stimulant drug. Beta2-selective stimulants are most commonly used in:

Your patient is set to receive a selective beta-2 stimulant drug. In considering possible drug effects in this patient, you would note that beta-2 stimulants frequently cause:

Epinephrine causes a decrease in:

Mr. Green, a 54-year old man, had cardiac transplant 6 months ago. His current blood pressure is 120/70 mm Hg and heart rate is 100 bpm. Which of the following drugs would have the least effect on Mr. Green's heart rate?