Muscular System Physiology

Front

What would skeletal muscles use for fuel during aerobic respiration? Options: glucose, fat, creatine phosphate, glycogen

Back

fat

Front

During short bursts of intense exercise, muscles will use which of the following for fuel? Options: glucose, fat, creatine phosphate, glycogen

Back

creatine phosphate

Front

Anaerobic respiration: causes fatigue, produces lactic acid, produces oxygen debt

Back

all of these

Front

Which of the following MUST be present for aerobic respiration? carbon dioxide, lactic acid, glucose, oxygen

Back

oxygen

Front

Acetylcholine

Back

causes an action potential to begin in muscle fibers

Front

Which chemicals must be present for muscles to contract? Options: calcium, ATP, lactic acid, ATP and Calcium

Back

ATP and Calcium

Front

The part of a skeletal muscle from z-line to z-line is called

Back

sarcomere

Front

Where do actin and myosin overlap? Options: A-band, I-band, Z-line, sarcomere

Back

A-band

Front

Which structure contains large amounts of calcium used for muscle? Options: sarcomere, mitochondria, sarcoplasmic reticulum, myofibril

Back

sarcoplasmic reticulum

Front

A person who exhibits very large muscles has the condition of

Back

hypertrophy