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Anatomy BRAIN QUIZ
Ch. 8 Quiz
| Question | Answer |
|---|---|
| neuron | individual cells of the nervous system that conduct impulses |
| nerves | a bundle of neurons; take impulses to and from the spinal cord |
| dendrites | branch-like structures of the neuron that receive information and starts sending the impulse down the cell |
| axon | long part of the neuron that conducts impulses to glands or muscles |
| nerve impulse | the electrical signal sent along a neuron |
| motor neuron | type of cell that conducts impulses to muscles or glands |
| sensory neuron | type of cell that conducts impulses from the eyes, ears, nose, skin, and tongue to the CNS |
| neurotransmitter | chemical that transmits nerve impulses across a synapse |
| synapse | where neurons meet each other but do not touch; chemicals travel across this space to allow the signal to be passed on |
| interneuron | type of cell that conducts impulses between sensory and motor neurons |
| brainstem | has vital centers for regulating heartbeat, breathing, and blood pressure; keeps one alive even with no electrical activity in the cerebrum |
| hypothalamus | unites the nervous and endocrine systems because it controls the pituitary gland |
| occipital lobe | part of the cerebrum that is responsible for vision |
| autonomic nervous system | division of the peripheral nervous system responsible for the functioning of internal organs (involuntary functions) |
| cerebrum | largest, most superior part of the brain responsible for consciousness; each lobe has numerous functions |
| central nervous system | division of nervous system including the brain and spinal cord |
| somatic nervous system | division of peripheral nervous system responsible for all voluntary movements (skeletal muscles_ |
| cerebellum | responsible for balance and coordination; in the posterior and inferior region of the brain |
| sympathetic division | responsible for the fight or flight response, a division of the autonomic nervous system |
| frontal lobe | part of the cerebrum responsible for higher level thinking skills, concentration, planning, and reasoning |
| parasympathetic division | division of the autonomic nervous system that controls the "rest and digest" functions activated when the person is not under threat and promotes a relaxed state |
| thalamus | acts as a relay center to receive impulses and direct them to the correct area of the cerebrum for interpretation |
| temporal lobe | part of the cerebrum responsible for auditory processing, hearing, and verbal language |
| parietal lobe | part of the cerebrum responsible for sensing touch and temperature and knowledge of limb positions |
| pituitary gland | not part of the nervous system but receives impulses from the hypothalamus so it can regulate the entire endocrine system |
Created by:
Mrs. Meeks SHS
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