Experiment No 10 : The Observing effect of acetylcholine on isolated rectus abdominus of muscle of a frog.
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| experiment no 10 |
Questions
1 What is the effect of acetylcholine on rectus abdominus
muscle of a frog?
2. What is the mechanism of action of acetylcholine?
3 How the metabolism of acetylcholine takes place?
4 How the duration of action of acetylcholine is increased?
5 Write to which
category the rectus abdominus muscle belongs?
6 Write the names of the muscles other than rectus abdominus
7 Draw the graph (dose response) of effect of acetylcholine
on rectus a frog
8 List five drugs, which causes contraction of skeletal
muscles
9 What is the purpose of giving washings to the muscle
preparation?
10 Write the 5 min. time cycle, which should be followed
while performing the experiment.
Answers
Q 1 Ans Rectus Abdomins muscle of the frog is the voluntary skeletal
muscle that produces a lover contraction in response to the drug acetylcholine
Q .2Ans→ Acetylcholine in the serum exerts
a direct effect on vascular tone by binding to muscarinic
receptors present on vascular endotheliom. These ceus
respond by increasing production of nitric oxide.
Q . 3 Ans The Acetylcholine metabolism back into Acetate
& choline synaptic acetylcholinesterase
breaks it back down into acetate, anions & choline .
Q.5 And The rectus abdominis muscle also known as the
abdominal muscle rectus abdominal belongs to the anteriore abdominal muscles together
with pyramidalis nerve .
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