A Hypothesis Is

question 31

Multiple Choice

A hypothesis is

• A)an assumption about behavior
• B)a prediction of what will occur given certain assumptions
• C)a prediction of what will occur regardless of assumptions
• D)a forecast of future events
• E)useful only if the assumptions are realistic

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Definitions:

Neuromuscular Junction

Region where an axon bulb approaches a muscle fiber; contains a presynaptic membrane, a synaptic cleft, and a postsynaptic membrane.

Synapse

Junction between neurons consisting of the presynaptic (axon) membrane, the synaptic cleft, and the postsynaptic (usually dendrite) membrane.

Antagonistic Muscle

Pairs of muscles that work against each other to move body parts, such as the biceps and triceps for arm movement.

Quadriceps Femoris Group

A group of four muscles located in the front of the thigh, responsible for extending the leg at the knee joint.