الأدوية

A 58 year old alcoholic man presents with diarrhea for 4 days duration. He further explains that for the past week he has been taking “heartburn medication” for worsening epigastric pain. Blood pressure was 100/60 with pulse rate at 95 bpm. Laboratory studies were all normal except serum potassium of 3.3mEq/L. Which of the following medications did the patient most likely overuse?

A. Cimetidine
B. Aluminum hydroxide
C. Calcium carbonate
D. Magnesium Hydroxide
E. Ondansetron

An elderly Latino man comes to your clinic for a follow-up visit. He reports increased urination since last month, when you prescribed furosemide for his hypertension. He shows you his blood pressure diary, which shows a marked improvement in his blood pressure. However, he mentions that his heart feels like it is beating irregularly at times. What side effect of furosemide is probably causing this symptom?

A. Dehydration
B. Hyperkalemia
C. Hyponatremia
D. Hypokalemia
E. Hypomagnesemia

A 12-year-old girl presents to your office with a sore throat and fever. You
diagnose her with pharyngitis caused by group A -hemolytic Streptococcus.
She is given an IM injection of penicillin. Approximately 5 minutes later, she
is found to be in respiratory distress and audibly wheezing. Her skin is mottled
and cool, she is tachycardic (rapid heart rate), and her blood pressure has
fallen to 70/20 mm Hg. You immediately diagnose her as having an anaphylactic
reaction to the penicillin and give an SC injection of epinephrine.
What effect will epinephrine have on this patient’s vascular system?
Which adrenoceptor primarily mediates the vascular response?
What effect will epinephrine have on her respiratory system?
Which adrenoceptor primarily mediates the respiratory system
response?