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?
Bronchodilation, tachycardia, hypertension, vomiting, diarhhea
Bronchospasm, tachycardia, hypotension
Bronchodilation, bradycardia, hypotenstion, diarrhea
Bronchospasm, bradycardia, hypotension, diarrhea
Bronchodilation, tachycardia, vomiting, diarrhea
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?
Diphenhydramine (an antihistamine)
Ephendrine
Epinephrine
Methylprednisolone (a corticosteroid)
Phenylephrine
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?
Isoproterenol
Norepinephrine
Pilocarpine
Tropicamide
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?
Amphetamine
Clonidine
Cocaine
Tyramine
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?
A decrease in heart rate caused by direct cardiac effect
A decrease in heart rate caused by indirect cardiac reflex effect
An increase in heart rate caused by direct cardiac action
An increase in heart rate caused by indirect reflex action
No change in heart rate
Which of the following drugs will prevent tachycardia evoked by isoproterenol?
Atropine
Hexamethonium
Phentolamine (an alpha blocker)
Physostigmine
Propanolol (alpha blocker)
Your patient is to receive a selective Beta-2 stimulant drug. Beta2-selective stimulants are most commonly used in:
Angina due to coronary insufficiency
Asthma
Chronic heart failure
Delayed or insufficiently strong labor
Raynaud's syndrome
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:
Direct stimulation of renin release
Hypoglycemia
Increased cGMP (cyclic guanine monophosphate) in mast cells
Skeletal muscle tremor
Vasodilation in the skin
Epinephrine causes a decrease in:
cAMP
Free fatty acids in blood
Glucose in blood
Lactate in blood
Triglycerides in fat cells
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?
Albuterol
