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Week 8

CNS, ANS, and PNS

QuestionAnswer
The cortex is capable of storing and retrieving information from both short-term and long-term memory
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
“Fight or flight” physiological changes include all of the following EXCEPT constriction of respiratory airways.
The two main types of adrenergic receptors are alpha and beta
The action of acetylcholine is quickly terminated by its being hydrolyzed by the enzyme Acetylcholinesterase.
A _____ is a skeletal muscle or group of muscles that receives motor axons from a given spinal nerve Myotome
Mixed cranial nerves contain axons of sensory and motor neurons
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
Acetylcholine binds to _____ receptors cholinergic
Which cranial nerve is responsible for the sense of smell? Olfactory
Both sympathetic and parasympathetic divisions are tonically active, which means they continually conduct impulses to autonomic effectors
If the center of a reflex arc is the brain, the response it mediates is called a cranial reflex
A reflex consists of either a muscle contraction or a glandular secretion
The set of coordinated commands that control the programmed muscle activity mediated by extrapyramidal pathways is called the motor program
Another name for the parasympathetic nervous system is the nervous system. craniosacral
Tongue movement is controlled by which cranial nerve? Hypoglossal
The _____ nerve transmits impulses that result in sensations of equilibrium Vestibular
Which of the following is NOT an example of sympathetic stimulation? constriction of the bronchioles
The most numerous cerebral tracts are the association tracts.
Each skin surface area supplied by sensory fibers of a given spinal nerve is a Dermatome
The somatic motor system includes all the _____ motor pathways _____ the CNS. voluntary; outside
Axon terminals of autonomic neurons release either of two neurotransmitters norepinephrine and acetylcholine
Which of the following is NOT correct? Sympathetic preganglionic axons pass along the dorsal root of certain spinal nerves
The reticular activating system maintains Consciousness
The limbic system integrates Emotion
The effect of sympathetic stimulation on the urinary bladder is Relaxation.
The second largest part of the brain, located just below the posterior portion of the cerebrum, is the Cerebellum
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
Many cerebral functions have typical locations. This fact is known as cerebral localization.
The groove between the frontal and parietal lobes of the cerebral cortex is the central sulcus.
Created by: Sandoval.Sam
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