A. Tyrosine to dopa
B. Phenylalanine to tyrosine
C. Dopa to dopamine
D. Dopamine to nor epinephrine
Related Mcqs:
- Rate limiting step in cholesterol synthesis is_______________?
A. HMG CoA synthetase
B. HMG CoA lyase
C. HMG CoA reductase
D. Mevalonate synthetase - Which of the following is precursor of adrenaline and thyroxine synthesis ?
A. Phenyl alanine
B. Tyrosine
C. Tryptophan
D. None of the above - Triglyceride synthesis synthesis is increased by______________?
A. Growth hormone
B. Insulin
C. Cortisol
D. Gulcagon - Transcription is the synthesis of____________?
A. Single stranded complimentary copy of DNA
B. Double stranded complimentary copy of DNA
C. Complimentary copy of RNA
D. COmplimentary copy of rRNA - Adrenaline acts on which enzyme in glycogenolysis ?
A. Glucokinase
B. Hexokinase
C. Phosphorylase
D. Glucose diphosphatase - 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 - Noradrenaline is differentiated from adrenaline by increasing___________?
A. Heart rate
B. Cardiac output
C. Peripheral resistance
D. All of the above - 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 - 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 - Adrenaline can be given in all of the following situations except_______________?
A. Asthma
B. Myocardial infarction
C. Shock
D. Anaphylaxis
