CLO2

Question 1

Obstructive vs restrictive PFT ratio

Answer 1

FEV1/FVC <70 is obstructive decreased FEV1 and FVC

Restrictive - both FEV1 and FVC decreased but FEV1/FVC ratio is normal or increased
Normal is 80% +

Question 2

What measurements are vital in monitoring patients with myasthenia gravis

Answer 2

NIF( <-20 critical), Vital capacity (<15)
MEP(<40)

Question 3

What are the most definitive tests for determining pulmonary embolism

Answer 3

CTPA (gold standard), V/Q scan, D dimer

Question 4

What tests diagnose guillan barre

Answer 4

Cerebrospinal fluid( gold standard), electromyography

Question 5

What symptoms would prompt an RT to recommend a sputum culture and gram stain

Answer 5

Productive cough, increased secretions, fever, tachycardia, diminished or bronchial breath sounds

Question 6

What can cause absence of lung tissue markings on chest radiograph

Answer 6

Pneumothorax, pneumectomy, emphysema and obstruction diseases

Question 7

What type of test should be run on a pt who has potential CO poisoning

Answer 7

ABG with CO OX oximetry

Question 8

EKG abnormalities for electrolyte imbalances

Answer 8

Increased T waves- Hyperkalemia
Decreased T waves- Hypokalemia

Question 9

What is DCLO testing in PFT lab

Answer 9

Level of CO moving across the AC membrane