Dog & Jog

Question 1

2 myosin ATPase isoforms

Answer 1

1. Fast

2. Slow

Question 2

FG = ?

Answer 2

Fast twitch and highly glycolytic

Question 3

FOG = ?

Answer 3

Fast twitch, highly oxidative and highly glycolytic

Question 4

SO = ?

Answer 4

Slow-twitch and highly oxidative

Question 5

Succinate DHN is a _____ enzyme

Answer 5

Mitochondrial enzyme

Question 6

alpha-glycophosphate DHN is a _____ enzyme

Answer 6

Glycolytic enzymes

Question 7

Type I fibers are?

Answer 7

SO (slow oxidative)

Question 8

Type IIA fibers are?

Answer 8

FOG (fast oxidative-glycolytic)

Question 9

Type IIB fibers are?

Answer 9

FG (fast glycolytic)

Question 10

Type IIC fibers are?

Answer 10

Swing fibers (can look like IIA or IIB)

Question 11

Type IIC fibers can also be known as?

Answer 11

Type D or X

Question 12

Fatigue resistance of the fiber types

Answer 12

I: high
IIa: medium
IIb: low

Question 13

TG is increased in what type of m.?

Answer 13

Oxidative

Question 14

Lactate DHN is highest in what fiber types?

Answer 14

IIa and IIb

Question 15

4 enzymes associated with glycolysis

Answer 15

1. Phosphorylase
2. Phosphofructokinase
3. Pyruvate kinase
4. Lactate DHN

Question 16

2 enzymes associated with Krebs cycle

Answer 16

1. Succinate DHN

2. Citrate synthase

Question 17

4 characteristics associate with CHF (congestive heart failure)

Answer 17

1. Decreased Na/K ATPase
2. Decreased mitochondrial enzymes
3. Decreased capillaries surround muscle
4. Decreased number of flowing capillaries

Question 18

Fast twitch fibers in the dog, cat and rat

Answer 18

Fastest: rat

Middle: cat

Slowest: dog