Respiratory Flashcards
Which muscle can act as an accessory muscle of inspiration due to its attachment to rib 1?
Scalenus anterior
Where does pecoralis minor attach to?
Ribs 3,4 and 5
Coracoid process
Where does the sternocleidomastoid muscle attach to?
Sternum
Medial and of the clavicle
Mastoid process of temporal bone
Where does the rectus abdominis attach to?
Xiphoid process
Pubic symphysis
Which “layer” is most closely associated to the route of the phrenic nerve through the chest?
Fibrous pericardium
What substance acts on the post junctional muscarinic end plate receptor on airway smooth muscle to mediate constriction?
Acetylcholine
Which hormone acts on the membrane bound beta-2 adrenoceptor on airway smooth muscle to mediate relaxation?
Adrenaline
Which metabolite of the arachadonic acid pathway released from eosinophils and mast cells mediates airway smooth muscle constriction, increased vascular permeability and mucous secretion?
Leukotriene D4
What is the most likely spirometry finding for COPD?
Reduced FEV1
Reduced FVC
Reduced FEV1/FVC ratio
Reduced PEF
What is the most likely spirometry finding for asthma?
Reduced FEV!
Persevered FVC
Reduced FEV1/FVC ratio
Reduced PEF
What is the most likely spirometry finding for a restrictive lung defect?
Reduced FEV1
Reduced FVC
Preserved FEV1/FVC ratio
Preserved PEF
A granuloma is a collection of…
Macrophages
Can sarcoid like granulomatous infiltrates be a reaction to nearby malignancy?
Yes
Assessment to differentiate between asthma and COPD
Spirometry
Assessment to differentiate between mild and moderate CAP?
CURB Score Confucion Urea Respiratory rate BP Age
Assessment to differentiate between Type 1 and Type 2 respiratory failure?
Arterial blood gas
Type 1 = Low PO2, normal PCO2
Type 2 = Low PO2, high PCO2
Which microbe discovered in 2001 was shown to be a common cause of bronchiolitis?
Metapneumovirus
What is the most appropriate treatment for a 50 year old, persistent asthmatic taking beclomethasone and salmeterol, but feeling increasingly breathless and wheezy after a cold?
Nebulisation
Seven day course of oral corticosteroid (e.g. oral prednisolone)
What treatment would you give a severe asthmatic who has presented to A+E in extremis in order to buy time before an anaesthetist arrives?
IV magnesium and/or IV aminophylline
Which antibiotic would you prescribe a 67 year old with cough, fever, mild confusion, 38 temp, 97/57mmHg BP, RR 24, Urea 9 with no known allergies?
CURB = 4
Severe CAP
IV co-amoxiclav and IV clarithromycin
Which antibiotic would you prescribe an 87 year old with ride sided weakness and dysarthria who lay on the floor for 1 day prior to admission?
Severe aspiration pneumonia
IV amoxicillin, gentamicin, metronidazole
Which antibiotic would you prescribe a 72 year old smoker with 3 day history of SOB, productive cough and wheeze who is allergic to penicillin?
Exacerbation of COPD
Oral doxycycline