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I.Marin
CNS, PNS, & ANS
| Question | Answer |
|---|---|
| The set of coordinated commands that control the programmed muscle activity mediated by extrapyramidal pathway is called the | Motor program |
| The _________ is an extension of the great toe, with or without fanning of the other toes, in response to stimulation of the outer margin of the sole of the foot. | Babinski sign |
| The second larger part of the brain, located just below the posterior portion of the cerebrum, is the | Cerebellum |
| The somatic motor system includes all the _______ motor pathways ________ the CNS | Voluntary; outside |
| The action of acetylcholine is quickly terminated by its being hydrolyzed by the enzyme | Acetylcholinesterase |
| The two main types of adrenergic receptors are | Alpha and beta |
| A reflex consists of either muscle contraction or a | Glandular secretion |
| Each skin surface area supplied by sensory fibers of a given spinal nerve is a | Dermatome |
| Axon terminals of autonomic neurons release either of two neurotransmitters, | norepinephrine and acetylcholine |
| The ______ nerve transmits impulses that result in sensation of equilibrium. | Vestibular |
| If the center of a reflex arc is the brain, the response it mediates is called a | Cranial reflex |
| Which of the following is NOT an example of sympathetic stimulation? | Constriction of the bronchioles |
| The _______ consists of several structures that lie beneath the thalamus and form the floor of the third ventricle and the lower part of its lateral walls. | Hypothalamus |
| Both sympathetic and parasympathetic divisions are tonically active, which means they | Continually conduct impulses to autonomic effectors |
| Which of the following is NOT correct? | Sympathetic preganglionic axons pass along the dorsal root of certain spinal nerves. |
| Another name for the parasympathetic nervous system is the ________ nervous system. | Craniosacral |
| The groove between the frontal and parietal lobes of the cerebral cortex is the | Central sulcus |
| "Fight or flight" physiological changes include all of the following EXCEPT: | Constriction of respiratory airways |
| Which region of the brain plays a part in the mechanism responsible for emotions by associating sensory impulses with feelings of pleasantness and unpleasantness? | Thalamus |
| Tongue movement is controlled by which cranial nerve? | Hypoglossal |
| The limbic system integrates | Emotion |
| The effect of sympathetic stimulation of the urinary bladder is | Relaxation |
| Many cerebral functions have typical locations. This fact is known as | Cerebral localization |
| The cortex is capable of storing and retrieving information from both short-term and long-term | Memory |
| Mixed cranial nerves contain axons of | Sensory and motor neurons |
| The most numerous cerebral tracts are the | Association tracts |
| Acetylcholine binds to _________ receptors | Cholinergic |
| A _________ is a skeletal muscle group of muscles that receives motor axons from a given spinal nerve. | Myotome |
| Which cranial nerve is responsible for the sense of smell? | Olfactory |
| The reticular activating system maintains | Consciousness |
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Imelda001
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