Abo_shousha_cns_quiz_3_sympathomimetic1
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- 1.
Epinephrine produces all of the following effects EXCEPT:
- A.
Positive inotropic and chronotropic actions on the heart (beta1 receptor)
- B.
Increase peripheral resistance (alfa receptor)
- C.
Predominance of alfa effects at low concentration
- D.
Skeletal muscle blood vessel dilatation (beta2 receptor)
Correct Answer
C. Predominance of alfa effects at low concentration -
- 2.
Epinephrine is used in the treatment of all of the following disorders EXCEPT:
- A.
Bronchospasm
- B.
Anaphylactic shock
- C.
Cardiac arrhythmias
- D.
Open-angle glaucoma
Correct Answer
C. Cardiac arrhythmias -
- 3.
Norepinephrine produces:
- A.
Vasoconstriction
- B.
Vasodilatation
- C.
Bronchodilation
- D.
Decresed potassium concentration in the plasma
Correct Answer
A. Vasoconstriction -
- 4.
Which of the following is a prodrug of adrenaline used topically in glaucoma:
- A.
Brimonidine
- B.
Dipivefrine
- C.
Noradrenaline
- D.
Dorzolamide
Correct Answer
B. Dipivefrine -
- 5.
If this child has signs of anaphylaxis, what is the treatment of choice?
- A.
Diphenhydramine (an antihistamine)
- B.
Ephedrine
- C.
Epinephrine
- D.
Phenylephrine
Correct Answer
C. Epinephrine -
- 6.
Several new drugs with autonomic actions are being studied in phase 1 clinical trials. Autonomic drugs Y was given in moderate doses as intravenous boluses to normal volunteers. The systolic and diastolic blood pressures changed as shown in the diagram below. Which of the following most resembles drug Y?
- A.
Epinephrine
- B.
Isoprenaline
- C.
Norepinephrine
- D.
Dipiviferin
Correct Answer
C. Norepinephrine -
- 7.
A 68-year-old man presents to the emergency department with acute heart failure. The patient requires immediate drug therapy to improve his cardiac function. Which one of the following drugs would be most beneficial?
- A.
Salbutamol
- B.
Dobamine
- C.
Epinephrine
- D.
Norepinephrine
Correct Answer
B. Dobamine -
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Current Version
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Oct 25, 2017Quiz Edited by
ProProfs Editorial Team -
Oct 25, 2017Quiz Created by
Hazemaboshousha
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