NSG 550 Exam 2 Questions And Correct
Answers Verified 100% correct
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 expira...
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
Bleeding control
What are some indications of bronchoscopy?
hemoptysis malignancy
interstitial lung disease
pulmonary infections
Pleural effusion
Pleural Tap
Thoracentesis and pleural fluid analysis
Why would you use a pleural tap?
To find out what is the cause of an unexplained pleural effusion
To alleviate the intrathoracic pressure that builds up with a large volume of fluid and prevents
respiration.
What are transudates most commonly caused by?
Congestive heart failure
Cirrhosis
Nephrotic syndrome
Hypoproteinemia
What is the appearance of the transudates?
Transudate: clear/serous, protein less than 3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TheExamMaestro. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.39. You're not tied to anything after your purchase.
