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NUR 425 Critical Care Exam 2 Final Test Questions And 100% Accurate Answers.
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Normal vital signs in adults - Answer BP→ 120/80 HR→ 60-100 RR→ 12-20 Temp→ 36.5-37.5 O2→ > 95% Normal MAP in adults - Answer 70-105 mmHg Normal PEEP setting (usually 5cmH20- anything higher than 10cmH20 is considered "high") - Answer PEEP is set to 5 no matter what ...

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  • October 2, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • vital signs in adults

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  • NUR 425
  • NUR 425

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NUR 425 Critical Care Exam 2 Final Test
Questions And 100% Accurate Answers.
Normal vital signs in adults - Answer BP→ 120/80

HR→ 60-100

RR→ 12-20

Temp→ 36.5-37.5

O2→ > 95%



Normal MAP in adults - Answer 70-105 mmHg



Normal PEEP setting (usually 5cmH20- anything higher than 10cmH20 is considered "high") - Answer
PEEP is set to 5 no matter what



ICP (and be able to define increased ICP) - Answer -High ICP> 20>5 mins

-Normal→ 5-15 mmHg



CPP (be able to calculate CPP) - Answer MAP-ICP=CPP

Normal CPP→ 60-100 mmHg



PaO2/FiO2 ratio - Answer less than 200 mmHg is ARDS (300-200 mild; 200-100 moderate; <100 severe)



SaO2 - Answer >95%



ABG values - Answer PaO2→ 80-100 mmHg

PaCO2→ 35-45 mmHg

HCO3→ 22-26 mEq/L

pH→ 7.35-7.45

,Tidal Volume - Answer every breath a person takes and how much volume of air they are inspiring



Apnea - Answer absence of breathing



Ataxic breathing - Answer completely irregular with some breaths deep and some shallow; random,
irregular pauses, slow rate



s/s of neuro issue



Cheyne stokes - Answer cycles of hyperventilation and apnea



s/s of cardio and/or neuro issue



Kussmaul breathing (CNS Hyperventilation) - Answer sustained, regular rapid and deep breathing



s/s of metabolic acidosis



Thiazide Diuretics (effect on ABGs) - Answer -Lower BP

-Causes hypokalemia

-Reduces preload

-Assess BP, BMP, BUN/Cr

-Metabolic alkalosis



Sodium Bicarbonate (effect on ABGs) - Answer -Corrects acidotic states

-Adv rxns: tetany, seizures, cardiac arrest, alkalotic states

-Assess RR, HR, rhythm and depth, lung sounds



Corticosteroids (the general drug category & their use for respiratory and ICP issues) - Answer -Dec
inflamm and cap perm

, -Adv rxns: ecchymosis, atrophy, skin thinning

-Watch for hyperglycemia in DM pts

-Assess: VS, BMP, I&O



Norepinephrine - Answer -Inc BP and CO in shock states or HOTN states

-Adv rxns: anaphylaxis, cerebral hemorrhage, necrosis, headache, N/V

-Assess I&O, BP, ECG



Mannitol - Answer -Osmotic diuretic for ICP

-PIV or CL (must have filter)

-Osmolarity 6 hr labs, essentially tells kidneys to get rid of all water in the body

-Can cross the blood-brain barrier (not as much data to support this unless it is an emergent situation)

-Adv rxns: tachycardia, HF, N/V

-Assess: I&O, VS, BP, BUN/Cr, BMP (hypokalemia)



3% NaCl - Answer -Hypertonic solution for cerebral edema

-3% cont or intermittent PIV;

-Supposed to pull fluid from brain in theory,

-Q6 sodium levels (more data to support this intervention for ICP and is more often seen)

-Assess: I&O, VS, BP, BUN/Cr, BMP (hypokalemia)



0.45% NaCl ("1/2 normal saline") - Answer -Hypotonic solution

-Assess: I&O, VS, BP, BUN/Cr, BMP

-Used for hypovolemia and hypernatremia



Fentanyl - Answer -Opioid analgesic

-Watch for respiratory depression

-Has sedative effects

-Assess VS, I&O, BP, BUN/Cr, RR

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