Skeletal and smooth muscle

Question 1

What is the latent period?

Answer 1

The delay between the beginning of an action potential and start of a contraction

Question 2

What does the force of a muscle contraction depend on?

Answer 2

1. Number of cross bridges
2. Frequency of action potential
3. Composition of the motor unit
4. Length-tension relationship

Question 3

Where is smooth muscle found?

Answer 3

In a wide variety of tissues

1. GI tract (peristalsis
2. Uterus (Myometrial contractions)
3. Bladder
4. Eye (iris and cilary body)
5. Blood vessels (constriction and dilation

Question 4

What causes most issues: Dysfunction of smooth or skeletal muscle?

Answer 4

1. Dysfunction of smooth as it is found EVERYWHERE

Question 5

How are smooth muscles described?

Answer 5

1. Location
2. Contraction pattern (tonic or phasic)
3. Singe or multiunit