Muscular & Nervous Test

Which of these is NOT a function of the muscular system?

• Allows for sensation

• Creates body movement

• Protects internal organs

• Heat production

• Maintain body posture and shape

What muscle attaches to the bone and produces movement?

• skeletal muscle

• cardiac muscle

• smooth muscle

• visceral muscle

What type of muscle makes of the walls of our internal organs?

• smooth muscles

• voluntary muscle

• striated muscle

• cardiac muscle

Point of origin refers to .......

• the place where the muscles attach to the bone, but no movement occurs

• the place where the muscles attach the and movement occurs

• where a muscle attaches to another muscle

• the membrane the covers and supports muscles

Match the following

• creates a membrane-like covering for muscles

• Tendon

• attaches a bone to another bone

• Fascia

• attaches a muscle to a bone

• Ligament

The gap between the nerve cell and sarcolemma is the ____ ___.

• Synaptic cleft

• Neurotransmitter

• Motor unit

• Neuromuscular junction

What is the specific neurotransmitter that stimulates the movement of skeletal muscles?

• GABA

• Acetylcholine

• Serotonin

• Dopamine

Once the action potential reaches the end of the pre-synaptic terminal what takes place?

• ACh is released into the synaptic cleft.

• Calcium is pumped into the sarcolemma.

• Calcium is pumped into the presynaptic terminal.

• The muscle contracts.

Once calcium is pumped into the presynaptic terminal what happens?

• The muscle contracts

• ACh is released into the synaptic cleft.

• Sodium pumps into the sarcolemma.

• The muscle contracts.

What is the name of the component that houses the neurotransmitters?

• Synaptic cleft

• Acetylcholine

• Receptors

• Synaptic vesicles