QUESTION 31 You are looking at a motor homunculus, a drawing that represents how large an area of the motor cortex is devoted to controlling different areas of the body. What strikes you is that: the lips are particularly large the ears and nose are particularly large O the feet are huge compared to the rest of the body O none of the above
QUESTION 32 A psychologist believes that music affects a person’s mood. He has some participants listen to waltzes and others listen to military marches, then measures each participant’s mood with a paper-and-pencil test. What are the independent and dependent variables? The waltz music is the independent variable and the military march music is the dependent variable The type of music is the independent variable and the participant’s mood is the dependent variable The participant’s mood is the independent variable and the type of music is the dependent variable The participant’s mood is the independent variable and the scores on the paper-and-pencil test are the dependent variable
QUESTION 33 While jotting down the numerous functions of glial cells being rattled off by your professor, you make an error: glial cells do NOT o form a myelin sheath around axons. o make up a blood-brain barrier around blood vessels in the brain. O help guide neurons to appropriate locations in the brain. O release neurotransmitters from the synaptic vesicles.
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