Experiment no 7 The effect of adrenaline on heart rate of isolated heart of a frog by using the CD of MSBTE
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| experiment no 7 |
Questions
1. List five drugs having sympathomimetic action.
2. Which type of effect is produced by adrenaline?
3. Name the adrenergic receptors present in the heart.
4. Name the cholinergic receptors present in the heart.
5. Why there is increase in heart rate and force of
contraction?
6. What is Tachycardia and Bradycardia ?
7. Which precautions should be taken while performing the
experiment?
8. Name the parts of
isolated heart of a frogs assembly.
9. Draw the graph of effect of adrenaline on isolated heart
of a frog.
10 What is your interpretation from the graph?
(answers)
Q .1Ans ⇒ five drug having symapathamine
Action
i)Dobalomine
ii)Epinephrine
iii)phenmetrazine
iv)Orciprenaline
v)Albutela
Q .2 Ans Effect produce by Adrenaline –
-
positive chronotropic effect
-
Negative chronoscopic effect
Q .3 Ans Adelenic Peceptors present in the heart
-B1 Receptors all
present in the heart.
Q . 6 Ans→ Tachycardia
& Bradycardia –
-Tachycardia - A fast heart rhythm with a rate
of more than normal
-Bradycardia - A
slew heart rhythm/rate with rate Below 60 beats per minute,
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