Abo_shousha_cns_quiz2_symp_intro

10 Questions | By Hazemaboshousha | Updated: Oct 24, 2017 | Attempts: 496

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Questions and Answers

1.

Epinephrine decreases intracellular camp levels by acting on:
- A.
  
  α1 receptor
- B.
  
  α2 receptor
- C.
  
  Beta1 receptor
- D.
  
  Beta2 receptor
Correct Answer
B. α2 receptor
2.

Direct effects on the heart are determined largely by:
- A.
  
  Alfa1 receptor
- B.
  
  Alfa2 receptor
- C.
  
  Beta1 receptor
- D.
  
  Beta2 receptor
Correct Answer
C. Beta1 receptor
3.

Which of the following effects is related to direct beta1-adrenoreceptor stimulation?
- A.
  
  Bronchodilation
- B.
  
  Vasodilatation
- C.
  
  Tachycardia
- D.
  
  Bradycardia
Correct Answer
C. Tachycardia
4.

Distribution of alfa adrenoreceptor subtypes is associated with all of the following tissues except those of:
- A.
  
  Heart
- B.
  
  Blood vessels
- C.
  
  Urinary bladder
- D.
  
  Pupillary dilator muscle
Correct Answer
A. Heart
5.

A bronchial smooth muscle contains:
- A.
  
  Αlfa1 receptor
- B.
  
  Αlfa2 receptor
- C.
  
  Beta 1 receptor
- D.
  
  Beta 2 receptor
Correct Answer
D. Beta 2 receptor
6.

All of the following agents are beta receptor agonists EXCEPT:
- A.
  
  Epinephrine
- B.
  
  Isoprenaline
- C.
  
  Methoxamine
- D.
  
  Dobutamine
Correct Answer
C. Methoxamine
7.

Αlfa-receptor stimulation includes all of the following effects EXCEPT:
- A.
  
  Contraction of gastrointestinal circular smooth muscle
- B.
  
  Contraction of bladder base, uterus and prostate
- C.
  
  Stimulation of insulin secretion
- D.
  
  Stimulation of platelet aggregation
Correct Answer
C. Stimulation of insulin secretion
8.

Beta1 receptor stimulation includes all of the following effects EXCEPT:
- A.
  
  Increase in contractility
- B.
  
  Bronchodilation
- C.
  
  Tachycardia
- D.
  
  Increase in conduction velocity in the atrioventricular node
Correct Answer
B. Bronchodilation
9.

Indicate the drug, which is a direct-acting both alfa- and beta-receptor agonist:
- A.
  
  Norepinephrine
- B.
  
  Methoxamine
- C.
  
  Isoproterenol
- D.
  
  Ephedrine
Correct Answer
A. Norepinephrine
10.

Indicate the alfa2-selective agonist:
- A.
  
  Xylometazoline
- B.
  
  Clonidine
- C.
  
  Dobutamine
- D.
  
  Methoxamine
Correct Answer
B. Clonidine

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Current Version
Oct 24, 2017

Quiz Edited by
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Oct 24, 2017

Quiz Created by
Hazemaboshousha

Abo_shousha_cns_quiz2_symp_intro

Epinephrine decreases intracellular camp levels by acting on:

Direct effects on the heart are determined largely by:

Which of the following effects is related to direct beta1-adrenoreceptor stimulation?

Distribution of alfa adrenoreceptor subtypes is associated with all of the following tissues except those of:

A bronchial smooth muscle contains:

All of the following agents are beta receptor agonists EXCEPT:

Αlfa-receptor stimulation includes all of the following effects EXCEPT:

Beta1 receptor stimulation includes all of the following effects EXCEPT:

Indicate the drug, which is a direct-acting both alfa- and beta-receptor agonist:

Indicate the alfa2-selective agonist: