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Exam (elaborations)

MCPHS Exam: Questions & Correct Solutions (100%)

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  • MCPHS
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  • MCPHS

MCPHS Exam: Questions & Correct Solutions (100%)

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  • October 31, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • MCPHS
  • MCPHS
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LeCrae
MCPHS Exam: Questions & Correct Solutions (100%)

Function of NS Right Ans - monitor int/ext env

Process and integrate changes --> make action that is *communicated* to
target

NS division Right Ans - CNS and PNS

CNS Right Ans - brain and spinal cord

PNS Right Ans - enter and exit spinal cord

sensory

motor
-sensory
-motor
---somatic
---involuntary
-------symp and parsymp

enteric/gut Right Ans - 2nd brain

somatic / voluntary Right Ans - efferent neurons exit CNS

control skeletal

autonomic NS Right Ans - involuntary

CV, respiratory, digestive, GU

maintain homeostasis

targets/effectors of autonomic Right Ans - target: smooth muscle of hollow
organs
- bronchi, blood vessel, GI, GU tract

target: cardiac muscle

, -contract

target: conduction tissue of cardiac (SA/AV node)

target: glandular secretions
-saliva
-sweat
-gastric
-bronchial

targets/effectors of somatic Right Ans - skeletal

voluntary reflex arc Right Ans - stimulate pain receptors

stimulate neuron and reach threshold and cause AP

AP enters DRG into dorsal horn of spinal cord

processed in interneuron

send outgoing message out of spinal cord via ONE neuron

target: SKELETAL

voluntary vs involuntary system Right Ans - voluntary - 1 efferent

involuntary - 2 efferent

autonomic system Right Ans - 2 efferent neurons : pre and post ganglion
-linked together

AP occurs via Na+ channels

chemical comm. b/w ganglia and junction w target

sensory Right Ans - toward CNS
afferent

somatic/voluntary Right Ans - exit CNS

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