Smooth muscle

Question 1

Rhythmic contractions on an isolated piece of small intestine are affected by

Answer 1

Stretching the strip of the intestines

Question 2

Effects after adding Atropine to the specimen chamber include _______ in strength of contractions and ______ in tone

Answer 2

Decrease; Decrease

Question 3

Effects after adding Acetylcholine to the specimen chamber include _______ in strength of contractions and ______ in tone

Answer 3

Increase; Increase

Question 4

Effects after adding Epinephrine to the specimen chamber include _______ in strength of contractions and ______ in tone

Answer 4

Decrease; Decrease

Question 5

Effects after adding Acetylcholine after Neostigmine to the specimen chamber include _______ in strength of contractions and ______ in tone

Answer 5

Increase; Increase

Question 6

Effects after adding Acetylcholine after Atropine to the specimen chamber include _______ in strength of contractions and ______ in tone

Answer 6

Decrease; Decrease

Question 7

Small Intestine Receptors

Answer 7

• Muscarinic
• Norepinephrine
• Epinephrine
• Nicotinic
• Acetylcholine

Question 8

Baseline Tone

Answer 8

Minimum force observed

Question 9

Where is baseline tone seen on a graph?

Answer 9

Valleys

Question 10

Contraction strength

Answer 10

difference in force

Question 11

How is contraction strength seen on a graph?

Answer 11

peak - valley

Question 12

frequency of contractions

Answer 12

how often it contracts per minute