NU455 Exam 1 With Complete Solution

NU455 Exam 1 With
Complete Solution

With mental status changes in a patient, always think... - ANSWER
Respiratory failure!

What are the two types of respiratory failure? - ANSWER hypoxemic and
hypercapnic

In what conditions may we expect Hypoxemia to occur? - ANSWER -
Pneumonia

- ARDS

- Pneumothorax

- PE

What are the ABG assessment findings in a patient who has Hypoxemia? -
ANSWER - Low blood O2 (<50)

- Normal or low CO2

What are the signs and symptoms a patient who has Hypoxemia will present
with? - ANSWER - *Agitation*

- Tachycardia

- Tachypnea

- Cyanosis

,- Diaphoresis




What are the physical findings of a patient who has Hypoxemia? - ANSWER -
Accessory muscle use

- Decreased breath sounds

- Other s/s of resp distress




What are the ABG assessment findings in a patient who has Hypercarbia? -
ANSWER Blood CO2 >50




When may a patient have Hypercarbia? - ANSWER - Drug OD

- Myasthenia Gravis

- Gullian-Barre

- Chest wall deformities/trauma

- Asthma, COPD




Patient who have Hypercarbia will present as.. - ANSWER Less responsive




Normal blood pH - ANSWER 7.35-7.45

, pH <7.35 is - ANSWER acidosis




pH >7.45 is - ANSWER alkalosis




Normal paO2 - ANSWER 80-100 mmHg




paO2 <80 is - ANSWER hypoxemia




paO2 >100 is - ANSWER hyperoxia




Normal spO2 - ANSWER > 92%




spO2 <92% is - ANSWER Hypoxic




Normal HCO3 - ANSWER 22-26




HCO3 < or > is - ANSWER A metabolic process




What is the primary intervention for a patient who has Acute Respiratory
Failure? - ANSWER Intubation and mechanical ventilation