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60 Cards in this Set
- Front
- Back
Which of the following is a function of the thalamus?
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Receiving nerve impulses for temperature
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Nerve fibers found in the reticular formation that are stimulated by noise, bright light, and danger are the
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excitatory fibers
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Drugs such as alcohol that depress the cerebellum can be expected to
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reduce body coordination
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Muscle relaxation agents given prior to an invasive diagnostic procedure can
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help prevent tearing or straining muscles
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Identify the most common clinical use of local anesthetics
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All of the above
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Which of the following controls reflexes for swallowing and gagging?
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Medulla oblongata
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Which type of skeletal muscle relaxant can be considered a cholinergic receptor antagonist?
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Nondepolarizing
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The main parts of the brain are the
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all of the above
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A centrally acting muscle relaxant works by targeting which of the following
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Spinal cord
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Which of the following is correct about skeletal muscle relaxants?
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intubation for emergency airway management may be accomplished quickly
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Which of the following is correct about neuromusclar blocking drugs?
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There are two groups in this class; either depolarizing agents or nondepolarizing agents
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Certrally acting skeletal muscle relaxants:
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inhibit or reduce activity within the spinal cord (intraneuronal), interupting the central stimulus to muscle contraction
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Which of the following is correctly paired with it's effect?
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succinylcholine; life threatening cardiac arrest in children
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Skeletal muscle relaxants may alter control of respiration because
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the diaphragm is a skeletal muscle
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Body temperature, appetite, and water balance are regulated by the:
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hypothalamus
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Sensory sensations such as touch, pressure, and pain are perceived in the:
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parietal lobe
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The "vital centers" are regulated by the:
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medulla oblongata
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The area of the brain that is involved with emotional and behavioral responses is the:
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limbic system
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With a regional nerve block
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a large surface area is anesthetized
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Unlike other local anesthetics, cocaine can not be given by injection because it produces
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vasoconstriction
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Explain why local anesthetics are valuable as a treatment for pain management
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Local anesthetics block sensory nerves at low doses that do not inhibits motor nerve function
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Which of the following is the only brain structure that is under conscious control?
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cerebral cortex
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Damage to the cerebellum may cause all of the following except
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sleep disturbances causes muscle weekness, posture problems, muscle tremors, decreased tendon reflexes
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Paula needs to stay up all night to study for a final, so she drinks more coffee than usual.
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Reticular formation
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When differentiating between local and general anesthetics, general anesthetics
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cause total loss of consciousness
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Which of the following is an example of an adverse CNS effect that may be caused by a local anesthetic
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seizure
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Overdose of local anesthetics can lead to CNS depression. what treatment would you use to reverse the effects of the local anesthetics?
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Barbiturates and diazepan(valium)
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Which statement is true about the brain stem?
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The brain stem is continuous with the spinal cord
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Tizanidine(zanaflex) is used for treatment of
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spasticity caused by multiple sclerosis and spinal cord injury
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Which of the following statements is true?
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There are more nondepolaring blockers available for use today than depolarizing blockers
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In succinylcholine overdose,
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respiration must be supported artificially until the drug is metabolized
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During surgery, Chico has been given saccinylcholine intravenously
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facial
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Topical anesthetics are available in all of the following formulations EXCEPT:
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(IV) sprays, eye drops, lozenges, suppositories
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A common clinical use of local anesthetics is
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tooth extraction
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Identify the most commonly used local anesthetic technique
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Infiltration anesthesia
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The higher intellectual abilities of people are controlled by the
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cerebrum
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In the case of pregnant patients
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pregnancy does not alter the dynamics if the local anesthetic
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Vesicles that store and release neurtransmitters are contained in a
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synaptic knob
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Nerve fibers that travel from the brain to the peripheral organs and skeletal muscle are known as
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efferent neurons
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Drugs that inhibit skeletal muscle contraction by blocking conduction within the spinal cord are
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centrally acting skeletal muscle relaxants
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The major toxicity associated with neuromusclar blocker overdose is
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respiratory muscle paralysis
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Which of the following is not considered an advantage of local anesthetics?
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lack of side effects
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Select the statement that best explains potency
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potency is the ability to produce a nerve block at a relatively low dose
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Anesthetic delivered as a rectal suppository is an example of
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local anesthetic
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Which lobe of the cerebral cortex controls muscle movement?
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frontal
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Of the following, which will a local anesthetic affect first?
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pain
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Match relaxation agents given prior to an invasive diagnostic procedure can
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help prevent tearing or straining muscles
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What are the two main components to the central nervous system
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brain and spinal cord
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Where is an epidural local anesthetic aministered on a patient
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outside the dural space
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The major toxicity associated with neuromusclar blockers is
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respiratory muscle paralysis
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A surface recording of the brain,s electrical activity is the
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electroencephalogram (EEG)
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Prolonged use of which centrally acting skeletal muscle relaxant can lead to dependency?
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Diazepam
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Which of the following is an example of a depolarizing neuromusclar blocking drug?
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succinylcholine
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A function of the cerebellum is to control
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body movement
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Drugs such as alcohol that depress the cerebellum can be expected to
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reduce body coordination
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Explain how local anesthetics affect cardiac function
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Local anesthetics depress the function of the cardiac conduction system
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The area of pharmacology that deals with drugs affecting the central nervous system is known as
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neuropharmacology
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Select the primary reason why local anesthetic agents should not be applied to damaged, open, or broken skin
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all are correct
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A patient who has which of the following conditions should not be given Dantrolene?
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hepatitis
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Identify the type of impulse that is carried to the sensory neurons
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all of these are correct
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