PSYC302 ACTUAL TEST PAPER COMPLETE SOLUTION VIEW AHEAD

PSYC302 ACTUAL TEST PAPER COMPLETE
SOLUTION VIEW AHEAD

●● Skeletal (Striated) Muscle
Answer: Voluntary muscle attached to bones that controls body
movement.


●● Cardiac Muscle
Answer: Involuntary muscle found only in the heart that contracts
rhythmically.


●● Muscle Fiber
Answer: An individual muscle cell.


●● Neuromuscular Junction
Answer: The synapse between a motor neuron axon and a muscle fiber.


●● Acetylcholine (ACh) in Skeletal Muscle
Answer: The neurotransmitter released by motor neurons to excite
muscle contraction.


●● Flexor Muscle

, Answer: A muscle that bends a limb, such as the biceps.


●● Extensor Muscle
Answer: A muscle that straightens a limb, such as the triceps.


●● Proprioceptors
Answer: Sensory receptors that detect body position and movement.


●● Muscle Spindles
Answer: Proprioceptors parallel to the muscle that detect muscle stretch.


●● Golgi Tendon Organs
Answer: Proprioceptors that detect tension in tendons and inhibit further
contractions.


●● Motor Neuron
Answer: A neuron that controls muscle contraction.


●● Motor Unit
Answer: One motor neuron and all the muscle fibers it innervates.


●● Small Motor Units