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PNB 2274 Exam 3 – Chen Practice Questions and Answers $12.49   Add to cart

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PNB 2274 Exam 3 – Chen Practice Questions and Answers

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  • PNB 2274

PNB 2274 Exam 3 – Chen Practice Questions and Answers Which ascending tract of the spinal cord carries the sensations for fine touch and vibration to the brain? medial and lateral pathways anterolateral pathway posterior column pathway corticospinal pathway - Ans:-posterior column pathway ...

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  • October 24, 2024
  • 76
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PNB 2274
  • PNB 2274
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PNB 2274 Exam 3 – Chen Practice
Questions and Answers

Which ascending tract of the spinal cord carries the sensations for fine touch and vibration to the brain?




medial and lateral pathways


anterolateral pathway


posterior column pathway


corticospinal pathway - Ans:✔✔-posterior column pathway


The primary somatosensory cortex is part of the




Frontal lobe


Temporal lobe


Insula


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Parietal lobe


Occipital lobe - Ans:✔✔-parietal lobe


Match each fiber to its correct type:




1 Corpus Callosum




2 Internal Capsule




3 Arcuate Fasciculus - Ans:✔✔-Corpus Callosum - Commisural




Internal Capsule - Projection




Arcuate Fasciculus - Association


Which is NOT a function of the blood-brain barrier?




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It prevents brain neurons from being exposed to drugs




It protects brain neurons from exposure to abnormal ion levels




It prevents nicotine and alcohol from entering brain interstitial fluid




It protects brain neurons from exposure to abnormal hormone levels




It prevents brain neurons from being exposed to waste products in the blood - Ans:✔✔-It prevents

nicotine and alcohol from entering brain interstitial fluid




these are fat soluble substances that cross BBB through passive diffusion


how are glucose and amino acids transported across the BBB? - Ans:✔✔-active transport

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how does penicillin cross the BBB? - Ans:✔✔-water soluble substance which has difficulty getting

through


Which of the cerebral lobes is the center for personality, hypothesis generation, verbal communication,

and the voluntary control of skeletal muscles?




temporal




parietal




occipital




frontal - Ans:✔✔-frontal


A neurovascular unit includes (choose all that apply)




Endothelial cells


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