Exam (elaborations)
N172 RESPIRATORY EXAM QUESTIONS AND ANSWERS
- Course
- Institution
N172 RESPIRATORY EXAM QUESTIONS AND ANSWERS...
[Show more]
Content preview
N172 RESPIRATORY EXAM QUESTIONS ANDANSWERS
How do chemoreceptors help to control respiration? - ANSWER they
respond to changes in PaCO2 and pH
How do mechanical receptors help to control respiration? - ANSWER
they respond to a variety of physiologic factors
mechanoreceptors detect pressure
Chemoreceptors are groups of nerve cells that can distinguish between
_____________ and ________________ - ANSWER hydrogen ions
oxygen
How do chemoreceptors influence the autonomic nervous system's
control of ventilation? - ANSWER by correlating acid-base balance with
gas exchange requirements
Where are chemoreceptors located? - ANSWER centrally and
peripherally in both the carotid arteries and arch of the aorta
How are mechanical receptors stimulated? - ANSWER by irritants,
muscle stretching, and alveolar wall distortion
Why does air flow into/out of the lungs? - ANSWER barometric pressure
differences
What is the primary purpose of the respiratory system? - ANSWER gas
exchange
What are the structures of the upper respiratory tract? - ANSWER nose,
mouth, pharynx, epiglottis, larynx, trachea
What are the structures of the lower respiratory tract? - ANSWER
bronchi, bronchioles, alveolar ducts, alveoli
What are the respiratory defense mechanisms? - ANSWER filtration of
air
, mucociliary clearance system
cough reflex
reflex bronchoconstriction
alveolar macrophages
What is the normal ratio of inhalation:exhalation? - ANSWER 1:2
egophany - ANSWER have the patient say eeeeew
if it sounds like A, this is abnormal
broncophony - ANSWER have the patient say 99
If you can hear 99 clearly, this is abnormal
pectoriloquy - ANSWER have the patient whisper 123
if you can hear it clearly, this is abnormal
What could uneven chest movement indicate? - ANSWER atelectasis
pneumothorax
chest wall incision pain
What could equal but diminished chest movement indicate? - ANSWER
hyperinflated/barrel chest
neuromuscular diseases (amyotrophic lateral sclerosis [ALS])
Percussion: Resonance - ANSWER low-pitched sound heard over
normal lungs
Percussion: Hyperresonance - ANSWER loud, lower-pitched sound than
normal resonance heard over hyper inflated lungs, such as in chronic
obstructive lung disease and acute asthma
Percussion: Tympany - ANSWER sound with drum-like, loud, empty
quality heard over gas-filled stomach or investing, or pneumothorax
percussion: dull - ANSWER sound with medium-intensity pitch and
duration heard over areas of "mixed" solid and lung tissue, such as over
top area of liver, partially consolidated lung tissue (pneumonia), or fluid-
filled pleural space
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 luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now