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Clinical CRNA Questions and Answers with Solutions 2024/2025
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Clinical CRNA Questions and Answers with Solutions 2024/2025
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Clinical CRNACranial Nerves - ANS-12 pairs of nerves that carry messages to and from the brain
-Oh oh oh to touch and feel a v
Cranial Nerve I - ANSOlfactory: sense of smell
Cranial nerve II - ANSOptic: vision
Cranial nerve III - ANSOculomotor: Ability to move and blink eyes
Cranial nerve IV - ANSTrochlear: ability to move eyes up and down and back and forth
Cranial nerve V - ANS-Trigeminal: sensations in face and cheeks, taste and jaw movements
Cranial nerve VI - ANSAbducens: Ability to move eyes
Cranial nerve VII - ANSFacial nerve: facial expresión and sense of taste
Cranial nerve VIII - ANSVestibulocochlear: hearing and balance
Cranial nerve IX - ANSGlossopharyngeal: taste and swallowing
Cranial nerve X - ANSVagus: digestion and HR
Cranial nerve XI - ANSAccessory: shoulder and neck movement
Cranial nerve XII - ANSHypoglossal: tongue movement
Difference between hypoxia and hypoxemia: - ANSHypoxia: Low levels of oxygen in body
tissues
-Hypoxemia: Low levels of oxygen in the blood
Normal value of ICP - ANSintracranial pressure
5-15mmhg
Coronary perfusion pressure - ANScoronary perfusion pressure= diastolic pressure-pulmonary
capillary wedge pressure
normal 60-160mmhg
, Pathophysiology of sepsis - ANS-happens when body is invaded by a pathogen: virus, bacteria,
fungi etc
1) Bodys immune response/inflammatory response is triggered
2)White blood cells come to the rescue (increase WBC)
-White blood cells have weapons called inflammatory mediators and cytokines (i.e. interleukins,
tumor necrosis factor, interferons, and histamines) that they release into the blood
3) Release of inflammatory mediators and cytokines cause vasodilation, capillary leak, and
blood clotting
-causes decrease blood pressure, increase swelling. less blood going to the bodies organs
4) organs are not getting enough blood flow--> not getting the oxygen they need--> organs start
to die
5) Metabolic acidosis: organs aren't working how they should; buildup of CO2, Lactic acid and
waste products
-if kidneys aren't working fully, not producing bicarb to help balance
6)Septic Shock: not responding to treatment to fluid (30ml/kg fluid resus).
7) Multiple organ dysfunction syndrome: when 2 or more organs have failed
Cardiac output - ANSstroke volume x heart rate
normal cardiac output - ANS4-8 L/min
-average 5
Cardiac index - ANS2.5-4 L/min/m2
-assessment of CO taking body size into account
-CO/BSA
MAP - ANS-mean arterial pressure
-average pressure in patients aftery during one cardiac cycle (systole + diastole)
-normal 70-100
MAP formula - ANS(SBP + 2DBP)/3
Cerebral perfusion pressure - ANSMAP-ICP
normal 60-80 mmhg
SVR - ANSrefers to the resistance to blood flow offered by all of the systemic vasculature,
excluding the pulmonary vasculature
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