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NRSG 421 Exam 2 Questions With Verified Answers
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NRSG 421 Exam 2 Questions With Verified Answers Placental abruption can lead to - answerPost-partum hemorrhage Hypovolemic Respiratory Failure (Type 1) - answerPAO2 < 60, despite increasing FIO2 * refractory hypoxemia hypercapnic respiratory failure (type 2) - answerPaCO2> 50 with PH &lt...

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  • October 18, 2024
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  • 2024/2025
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©SIRJOEL EXAM SOLUTIONS
10/10/2024 11:44 AM



NRSG 421 Exam 2 Questions With Verified
Answers

Placental abruption can lead to - answer✔Post-partum hemorrhage

Hypovolemic Respiratory Failure (Type 1) - answer✔PAO2 < 60, despite increasing FIO2


* refractory hypoxemia

hypercapnic respiratory failure (type 2) - answer✔PaCO2> 50 with PH < 7.35.
Acidosis

Ventilation - answer✔movement of air in and out of the lungs

Perfusion - answer✔Blood flow through pulmonary circulatory system

Diffusion - answer✔Exchange of 02 and CO2 within alveoli

Ventilation perfusion ration V/Q - answer✔Normal = 4/5


High V/Q = air reaches lung, but no blood flow (PE, low CO)


Low V/Q= airflow decreased, blood flowing (pneumonia, ARDS, pulm edema)

ARF risk factors - answer✔Hypoventilation (airway, obstruction, muscle weakness, injury,
anesthesia, opioid)

V/Q mismatch diseases - answer✔COPD, atelectasis, restrictive, lung diseases, PE, ARDS,
pneumothorax, pulmonary edema

ARF Early S/S - answer✔Dyspnea, restlessness, anxiety, fatigue, tachycardia, increased, BP, low
CO2 (hyperventilating)

, ©SIRJOEL EXAM SOLUTIONS
10/10/2024 11:44 AM


ARF Intermediate S/S - answer✔Confusion, pinker, skin, tone, lethargy due to increase CO2

ARF Late S/S - answer✔Cyanosis/unresponsiveness

ARF diagnosis - answer✔-ABGs
-CXR
*hypercapnia=late sign

ARF treatment - answer✔treat underlying condition


NPPV: CPAP/BiPAP
Mechanical ventilation

ARDS - answer✔Inflammatory condition secondary to another problem


Non-cardiogenic pulmonary edema


Onset: <7 days


Diagnosis: chest X-ray (white out), PAO2/FiO2=<200

Direct ARDS Causes - answer✔aspiration, chest, trauma, pneumonia, pulmonary contusion,
inhalation injury, pulmonary embolus

InDirect ARDS Causes - answer✔Sepsis/shock, pancreatitis, burns, blood, transfusions,
transfusion related acute lung injury, cardiopulmonary bypass, drug/alcohol overdose

ARDS P/F ratio - answer✔Mild= 200-300


Moderate= 100-200


Severe=<100

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