Muscular System Test

What chemical helps to regenerate ATP?

• Creatine phosphate

• Glucose

• Lactic acid

• Pyruvate

2. Skeletal muscles are responsible for moving ____________________________

• Skeletal muscles are responsible for moving.

• the bones of the skeleton

• internal organs

• blood through the veins

3. Muscles fibers are made of individual fibers (not filaments) called _________

• individual fibers

• myofibrils

• sarcomeres

• actin

Connective tissue that surrounds fascicles is ___________________________

• Perimysium

• Epimysium

• Endomysium

• Sarcolemma

5. Poisons such as botulism that prevent the release of acetylcholine would cause muscles to ___________________________

• not contract

• contract uncontrollably

• become stronger

• relax permanently

Match the type of muscles with their locations:

• primarily voluntary

• Cardiac

• found in the heart

• Skeletal

• found in the digestive tract

• Smooth

What neurotransmitter is associated with the muscles: ___________________

• Acetylcholine

• Dopamine

• Serotonin

• GABA

What cell organelle provides the ATP needed for muscle activity?

• Mitochondria

• Nucleus

• Ribosome

• Golgi apparatus

The gap between the nerve and the muscle is called the ___________________

• synaptic cleft

• neuromuscular junction

• axon terminal

• motor end plate

A person who has a disease that inhibits the production of cholinesterase would have what kind of symptoms?

• Muscle weakness and fatigue

• Increased energy levels

• Improved muscle strength

• Enhanced cognitive function