Quiz Flashcards
What part of the larynx has the vocal chords and adjusts tension to regulate pitch during phonation
Arytenoid cartilage
Why does the haemoglobin dissociation curve have a sigmoidal shape
As each oxygen molecule binds, the affinity for the next to bind increases
What stage of cardiac cycle do atrioventricular valves open
Atrial systole
Taut form of haemoglobin has
Low affinity for oxygen
Relaxed form of haemoglobin has
High affinity for oxygen
Example of diffusion limited gas exchange
Carbon monoxide
What scan is used for esophagus
X ray
What do chordi tendoni do
Maintain position and tension of atroventricular valves
Factors causing oxygen dissociation curve to shift right
increased concentration of pCO2, acidosis, raised temperature and high concentrations of 2,3 diphosphoglycerate (2,3 DPG)
Function of type 2 pneumocytes in alveoli
synthesis and secretion of surfactant; (2) xenobiotic metabolism; (3) transepithelial movement of water; and (4) regeneration of the alveolar epithelium following lung injury.
Comes before aortic valve opening in pv loop
Isovolumetic contraction
What causes a shift to the left of oxygen dissociation curve
Decreased co2
What part of mediastinum contains oesophagus and trachea
Superior mediastinum
Bohr effect haemoglobin releases what
Oxygen near rapidly metabolising tissue
Bohr effect true for haemoglobin
Greater affinity for oxygen at higher ph
Used for urography
Water soluble
What artery supplies posterior part of inter ventricular septum and posterior walls of left ventricle
Posterior descending artery
Scan used for acute pancreatitis
Ct
Primary defect of kartagener syndrome
Abnormal cilia structure or function
Where is the relaxed form of haemoglobin found
Near lungs
Thickest tunica media found where
Arteries
Y axis
X axis
Of dissociation curve
Y is oxygen saturation
X is partial pressure
Parameters of frank starling law of heart
Stroke volume and end diastolic volume
How are hemangiomas defined on ultrasound
Hyperchoic
What stage do atroventricular valves open
Ventricular filling
Mouse experiment
Ejection fraction
Valve between left atrium and ventricle
Bicuspid/ mistrial valve
contractility of the heart
Decreases ef
Pet definition
Positron emission tomography
Increase in preload
Increases edv
Pnemotaxic centre location
Upper pons
Increase in after load
Will decrease co
Membrane that surrounds lungs
Visceral plura
Which bronchus will trap foreign things
Right main bronchus
What causes an increase in alveolar ventilation
Increase in paco2
