Biochem gastrointestine

Topics: Acetylcholine, Autonomic nervous system, Smooth muscle Pages: 10 (1301 words) Published: June 23, 2014


ASSESSMENT COVERSHEET

STUDENT DETAILS
Student ID
25166905
Surname
Xu
First Name
Tim Hai Tian

ASSESSMENT DETAILS
Unit Code
BMS2031
Unit Title
Body System
Assignment Title
Activity of Gastrointestinal Smooth muscle
Lecturer name
Julia Choate
Tutor’s name

Tutorial Day
Thursday
Tutorial Time
2p.m.
Has any part of this assignment been previously submitted as part of another unit/course? Y  N X Is this an authorised group assessment? Y  N X For group assessment, each student must attach their own signed coversheet to the assignment Due Date

30.05.2014
Date Submitted
30/05/2014

EXTENSION OF WORK
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Activity of Gastrointestinal Smooth Muscle: Worksheet

Please Ensure That You Have Completed The Calculations In Tables 1-3 Before You Answer The Worksheet Questions

Table 1. The effects of phentolamine and atropine on the contractile response to nerve stimulation (20 Hz) in the isolated rabbit ileum

Contraction amplitude pre-nerve stimulation
Contraction amplitude with the maximum response to nerve stimulation Effect of nerve stimulation on the contraction amplitude

PLEASE SHOW YOUR CALCULATIONS

Maximum – Minimum
102.3mV-98.8mV
=3.5mV
Maximum – Minimum
102.4mV-101.2mV
=1.2mV
Express the effect of nerve stimulation as % change (from pre-nerve stimulation to maximum response to nerve stimulation): (-3.5+1.2)*100/3.5 = -65.7%

with phentolamine
Maximum...
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