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NSG 550 Exam 2 Questions And Correct Answers

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nsg 550 exam 2 questions and correct answers
pulmonary function tests spirometry what can it

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NSG 550 Exam 2 Questions And Correct Answers

Pulmonary Function Tests/Spirometry: What can it depend on?

Age

Sex

Height

Weight

Pulmonary Function Tests/Spirometry: Measured with

Peop assessment of lungs and pulmonary reserve

response to bronchodilator therapy

differentiate between restrictive and obstructive chronic pulmonary disease

Determine size of lung capacity

Inhalation allergy tests

Pulmonary Function Tests/Spirometry: What studies are included?

Spirometry

Measurement of airflow

Volume of lung

Capacity of lung

FVC

The amount of air able to be forcibly exhaled from a position of maximal lung inflation.

What can be inferred from reduced forced vital capacity?

,Obstructive and restrictive pulmonary diseases.

FEV1

Forced expiratory volume in 1 second

Volume of air exhaled during the first second of FVC

What does FEV1 report in obstructive pulmonary disease?

Airways are narrowed

Resistance to flow is high

Numbers of FEV1 are less than predicted because not so much air can be exhaled in 1
second.

FEV1: What does FEV1 show in restrictive lung disease?

Decreased because amount of air originally inhaled is low, instead of airway resistance.

What is a normal FEV1/FVC ratio in restrictive lung disease?

80% .

What is a normal FEV1/FVC ratio in obstructive lung disease?

Less than 80%

Under what condition will the FEV1 value reliably improve?

With bronchodilator therapy with a spastic component to obstructive pulmonary disease
exists.

Normal results of Spirometry

Greater than 80% of expected value

Airflow rate: When is it considered diminished?

Less than 60% of normal.

What increases airflow rate and volume?

20% with use of bronchodilator

,Diagnosis of COPD requires what?

Demonstration of persistent airflow limitation based on spirometry testing

FEV1/FVC after bronchodilator is less than 70%.

What is the basis for the classification of severity of COPD?

Spirometry testing assessment at regular intervals

COPD Risk factors

Smoking

Exposure to pollution

Genetic predisposition

Compare COPD with Asthma

Much later in life the onset

Symptoms show a slower course

Poor response to inhaled therapy.

Polysomnography

Sleep study

When is a polysomnography indicated?

When any person:

snores excessively

Experiences narcolepsy

Excessive daytime sleepiness

, Insomnia

Motor spasms while sleeping

Cardiac rhythm disturbances when sleeping.

What does a polysomnography test most commonly diagnose?

Sleep apnea

3 multiple choice options

What is a actigraphy?

A watch that can be worn a few nights at home

What is a bronchoscopy used for?

Doing diagnostic and therapeutic procedures

What can you use a bronchoscopy for?

Visualization of a tracheobronchial tree

Transbronchial and Endobronchial biopsy

Bronchoalveolar lavage

Removal of foreign bodies

Clots

Mucus plugs

Deployment of metallic stents.

Aspiration of deep sputum

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