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Critical Care Exam 3 (Neuro & TN Donor Services) (1). Questions & 100% Verified Correct Answers with complete solutions (Latest update CA$11.48   Add to cart
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Critical Care Exam 3 (Neuro & TN Donor Services) (1). Questions & 100% Verified Correct Answers with complete solutions (Latest update

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Critical Care Exam 3 (Neuro & TN Donor Services) (1). Questions & 100% Verified Correct Answers with complete solutions (Latest update

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  • August 14, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • critical care exam 3 neuro tn donor services

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Critical Care Exam 3 (Neuro & TN Donor Services)
15-20% - ANS-The brain receives what % of CO?

hypoxia
-Neurons do NOT regenerate - ANS-Neuronal tissue is extremely sensitive to _________and
has limited ability for anaerobic metabolism

ischemia and hypoxia - ANS-Low BP =

CPP = MAP - ICP - ANS-CPP Formula

50-150mmHg - ANS-CPP is maintained at a MAP of what?

vasoconstrict - ANS-When MAP increases, cerebral vessels...

vasodilate - ANS-When MAP decreases, cerebral vessels...

vasodilate - ANS-When PaCO2 levels rise, cerebral vessels...

vasoconstrict - ANS-When PaCO2 levels decrease, cerebral vessels...

IT IS CRUCIAL!!
•Mental status
•LOC, Speech, Cognitive (Can write it out if intubated)
•Cranial nerves (Check ocular response, EOMS)
•Motor function (squeeze hands, wiggle feet)
•Sensory function (inflict pain to assess) - ANS-Initial baseline neuro assessment:

A change in LOC - ANS-What is the most basic and sensitive indicator of altered brain function?

Standardized tool developed for the purpose of assessing LOC
-Eye-opening
-Verbal response
-Motor response - ANS-Glasgow Coma Scale (GCS)

Motor response - ANS-What is the most powerful predictor of patient outcome?

arms flexed inward and bent in toward the body and the legs are extended
-to the core - ANS-Decorticate posturing

-"extensor posturing";

, -abduction of arms, elbow and wrist extension - ANS-Decerebrate posturing

Yes
-they may shake their head or write on a board or paper - ANS-Can we assess speech on an
intubated patient?

II, III, IV, VI - ANS-Which cranial nerves are more vulnerable to increasing ICP?

•Pupillary reflex
•"PERRLA, pupils 2+ B/L". - ANS-CN II & III

-EOMs
-"EOMs intact" - ANS-CN III, IV, & VI

patient stands up with feet together and arms out to see if they can balance
-tests for motor response
-(+)= loss of balance - ANS-Romberg's test

Mg+ - ANS-What electrolyte affects DTRs?

Decreased - ANS-If Mg+ is increased, DTRs are?

Increased - ANS-If Mg+ is decreased, DTRs are?

abnormal breathing pattern; periods of dyspnea and apnea
-rapid breathing followed by apnea - ANS-Cheyne stokes

Abnormal respiration marked by prolonged inspiration; accompanies damage to upper pons. -
ANS-Apneustic breathing

A cluster of breaths has a disordered sequence with irregular pauses between breaths. -
ANS-Cluster breathing

Irregular or unidentifiable pattern
May follow serious head injuries - ANS-Ataxic respirations

5-15 mmHg
-Brain tissue (80%), CSF, & blood - ANS-Normal ICP

ischemia and hypoxia - ANS-As ICP rises, it compresses neural tissue and causes what?

Increases - ANS-Any increase in blood, brain, and CSF (Monro Killin Doctrine), decreases or
increases ICP?

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