• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/24

Click to flip

24 Cards in this Set

  • Front
  • Back
What is the pharynx?
the passage between the nose and the mouth/oesophagus
Cause of glandular fever?
Epstein-barr virus - no amoxicillin!
Where does trachea divide into L+R bronchus?
right 2nd costal cartilage or T4/5
Describe walls of first lot of bronchial divisions?
cartilage + smooth muscle lined with cilia + goblet cells
Describe lobes + segments of lungs?
R = 3 lobes with 10 bronchopulmonary segments
L = 2 lobes with 8-10 bronchopulmonary segments
What is pleura made of?
connective tissue covered by simple squamous epithelium
Describe diaphragm covering?
Parietal pleura above and peritoneum below
Describe opposing forces which create negative IP pressure?
elastic lungs recoil in + elastic chest wall moves outwards
What is physiological dead space?
anatomical + aveolar dead space
What does scintigraphy show?
pulmonary blood flow using albumin + gamma camera
What should the FEV1 /FVC relationship be?
FEV1 75% of FVC
What is value of tidal vol?
500ml
Volume of total lung capacity in males and females?
Males - 5800ml
Females - 4200ml
Describe role of NO?
presence in expired air indicates inflammation i.e. in asthma
Define protein contents of transudates/exudates?
Transudate = <30g/l
Exudate = >35g/l
Describe effect of smoking on parenchyma (lung tissue)?
scarring, inc macrophages + emphysema
Describe causes of bronchitis?
viral if previously healthy
strep pneumonia, h. influenzae otherwise
Define partial pressure?
pressure of a gas if it occupied the volume alone
Define arterial, venous + air PCO2?
arterial - 40mmHg
venous - 46mmHg
air - 0.25mmHg
Give proportions of dissolved O2 + CO2 in blood?
2% O2, 7% CO2
What form is CO2 found in RBCs + plasma?
RBC = H2CO3
plasma = HCO3 + H+
H+ picked up by Hb so no effect on pH
What does D-dimer test for?
hypercoaguability - negative most useful as positive in other conditions too
Describe transient tachynpnoea of the newborn?
commonest resp distress syndrome:
fluid retained in lungs, hyperinflation + prominent vascular markings on CXR
common in C-sections
Define mesothelioma?
cancer affecting mesothelium lining of organs, rare but usually due to asbestos