Muscle Physiology Test

Which is NOT a function of the muscular system? 

• Generating Heat
• Cleaning out toxins
• Maintaining Posture
• Dilating and constricting the pupil

Thick filaments are also know as:

• Actin
• Myosin
• Troponin
• Tropmyosin

Fast Twitch fibers are usually which color? 

• Red
• White

Can muscle contractions occur without the prescence of oxygen?

• No
• Yes

Tags

NGSS.HS-LS2-3

NGSS.HS-LS1-7

What is a segment of a myofibril and one contractile unit called?

• Sarcomere
• Myofilament
• Muscle Fiber
• Fasicle

The I-band consists of:

• Actin
• Myosin
• Actin + Myosin
• Nothing

What is the boundary of the sarcomere? 

• H Zone
• M Line
• I Band
• Z Line

Out of the three ways to make ATP, which method uses oxygen to create 36 ATP/1 Glucose

• Creatine Phosphate
• Aerobic Respiration
• Anaerobic

Tags

NGSS.HS-LS2-3

NGSS.HS-LS1-7

Out of the three ways to make ATP, which method does not use oxygen and only creates 2 ATP/1 Glucose

• Creatine Phosphate
• Aerobic Respiration
• Anaerobic Glycolosis

Tags

NGSS.HS-LS2-3

What is an isometric contraction? 

• When muscle shortens or lengthens
• When muscle stays the same size