Adrenaline acts on which enzyme in glycogenolysis ?

Related Mcqs:

1. The first product of glycogenolysis is_____________?

   A. Glucose 6 phosphatase
   B. Glucose 1,6 diphosphatase
   C. Glucose 1- phosphatase
   D. Fructose 1- phosphatase

2. Insulin acts on which enzyme in glycolysis ?

   A. Glucokinase
   B. Hexokinase
   C. Glucose 6 phosphatase
   D. Adenylate kinase

3. Vitamin B12 acts as a coenzyme to which one of the following enzyme ?

   A. Isocitrate dehydrogenase
   B. Homocyteine methyl transferase
   C. Glycogen synthase
   D. G-6-P dehydrogenase

4. Which of the following is precursor of adrenaline and thyroxine synthesis ?

   A. Phenyl alanine
   B. Tyrosine
   C. Tryptophan
   D. None of the above

5. Rate limiting step in adrenaline synthesis is conversion of____________?

   A. Tyrosine to dopa
   B. Phenylalanine to tyrosine
   C. Dopa to dopamine
   D. Dopamine to nor epinephrine

6. The effects of Adrenaline on heart are all except__________________?

   A. Increases heart rate
   B. Decreases myocardial irritability
   C. Increases force of contraction
   D. Increases oxygen uptake by heart

7. Noradrenaline is differentiated from adrenaline by increasing___________?

   A. Heart rate
   B. Cardiac output
   C. Peripheral resistance
   D. All of the above

8. Adrenaline used for controlling of bleeding during surgery may result in________________?

   A. Syncope
   B. Cardiac arrhythmias
   C. Drastic fall in blood pressure
   D. Precipitation of allergic reaction

9. Adrenaline is used in following EXCEPT______________?

   A. With xylocaine
   B. Post extraction socket
   C. Anaphylactin shock
   D. Angina in dental chair
   E. Both B & D

10. Adrenaline can be given in all of the following situations except_______________?

    A. Asthma
    B. Myocardial infarction
    C. Shock
    D. Anaphylaxis