Lungs and Breathing
Human Anatomy Pa 657 with Findlay at Touro University (NV)
About this deck
By: Chris Harris
Textbook:
Essential Clinical Anatomy, 4th Edition
Created: 2011-08-29
Size: 27 flashcards
Views: 8
Textbook:
Essential Clinical Anatomy, 4th EditionCreated: 2011-08-29
Size: 27 flashcards
Views: 8
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The thoracic cavity consists of right and left _______ and the ___________ which separates them.
-pleural cavities
-mediastinum
True or False, the lung does not extend into the superior thoracic aperture.
False, it does. So, you have to be careful when you are attempting to access the subclavian vein.
The pleurae consist of 2 parts, what are they?
-visceral pleura
-parietal pleura
Name the 4 regions the parietal pleura is divided into
-costal pleura
-diaphragmatic pleura
-mediastinal pleura
-cervical pleura/cupola
Why are the 2 pleural layers separated by a thin layer of serous fluid?
it allows them to slide across each other easily
What spaces are present due to the lungs not filling the pleural cavity completely?
-costomediastinal recess
-costodiaphragmatic recess
What is it called when fluid enters the costomediastinal recess or costodiaphragmatic recess?
pleural effusion
What are the 3 fluids that can accumulate in the pleural cavity?
-serous fluid (hydrothorax)
-blood (hemothorax)
-chyle (chylothorax)
What are the primary, secondary and tertiary divisions of the bronchi that stem from the trachea?
1 - Main
2 - Lobar
3 - Segmental
What is the functional unit of the lung?
broncopulmonary segment
True or False, the left main bronchus is wider, shorter, and more vertical than the right main bronchus
False, other way around. As a result, objects are more likely to enter right main bronchus when inhaled.
Which lung has a superior and inferior bronchial artery? From where does it arise?
-left side
-anterior surface of the thoracic aorta
Right bronchial artery typically arises from
posterior intercostal arteries or left superior bronchial artery
True or False, deoxygenated blood enters lungs via pulmonary artery
True. And oxygenated blood leaves via pulmonary veins
What is the collection of tubular structures connecting the lung to structures in the mediastinum?
root of lung
True or False, vagus nerve runs anterior to the root of the lung and phrenic nerve runs posterior.
False, phrenic is anterior and vagus is posterior
What is the region called that makes up the root of the lung? What connects this region to the mediastinum?
-hilum of lung
-pulmonary ligament
What 2 fissures does the right lung have?
horizontal and oblique
what are the 5 structures for which the right lung has sulci?
-azygos v.
-vena cavae
-right subclavian a.
-esophagus
-1st rib
True or False, the left lung has 2 fissures
False, it has one - oblique
Name the 5 structures for which the left lung has sulci
-aorta
-left subclavian a.
-left brachiocephalic v.
-esophagus
-1st rib
What are the 4 arteries that supply the diaphragm?
-pericardiacophrenic
-musculophrenic
-superior phrenic
-inferor phrenic arteries
Name the 3 openings of the diaphragm and what vertebrae they take place
-caval opening - T8
-esophageal hiatus - T10
-aortic hiatus - T12
What 3 mechanisms occur to increase intrathoracic volume?
- descent of diphragm
- anterior movement of sternum
- elevation of the lateral aspect of the ribs
Normal inspiration - diaphragm relaxes/contracts, vertical dimension of thorax increases/decreases and intrathoracic pressure increases/decreases
-contracts
-increases
-decreases
Results in air entering lungs
What 3 things does a good lung examination include?
-observation
-palpation
-auscultation
For a chest tube placement, what are the 3 things you need to know
-location of VAN
-location of the costodiaphragmatic recess
-location of the lung
About this deck
By: Chris Harris
Textbook: Essential Clinical Anatomy, 4th Edition
Created: 2011-08-29
Size: 27 flashcards
Views: 8
Textbook:
Essential Clinical Anatomy, 4th EditionCreated: 2011-08-29
Size: 27 flashcards
Views: 8
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy