Quiz

Question 1

What part of the larynx has the vocal chords and adjusts tension to regulate pitch during phonation

Answer 1

Arytenoid cartilage

Question 2

Why does the haemoglobin dissociation curve have a sigmoidal shape

Answer 2

As each oxygen molecule binds, the affinity for the next to bind increases

Question 3

What stage of cardiac cycle do atrioventricular valves open

Answer 3

Atrial systole

Question 4

Taut form of haemoglobin has

Answer 4

Low affinity for oxygen

Question 5

Relaxed form of haemoglobin has

Answer 5

High affinity for oxygen

Question 6

Example of diffusion limited gas exchange

Answer 6

Carbon monoxide

Question 7

What scan is used for esophagus

Answer 7

X ray

Question 8

What do chordi tendoni do

Answer 8

Maintain position and tension of atroventricular valves

Question 9

Factors causing oxygen dissociation curve to shift right

Answer 9

increased concentration of pCO2, acidosis, raised temperature and high concentrations of 2,3 diphosphoglycerate (2,3 DPG)

Question 10

Function of type 2 pneumocytes in alveoli

Answer 10

synthesis and secretion of surfactant; (2) xenobiotic metabolism; (3) transepithelial movement of water; and (4) regeneration of the alveolar epithelium following lung injury.

Question 11

Comes before aortic valve opening in pv loop

Answer 11

Isovolumetic contraction

Question 12

What causes a shift to the left of oxygen dissociation curve

Answer 12

Decreased co2

Question 13

What part of mediastinum contains oesophagus and trachea

Answer 13

Superior mediastinum

Question 14

Bohr effect haemoglobin releases what

Answer 14

Oxygen near rapidly metabolising tissue

Question 15

Bohr effect true for haemoglobin

Answer 15

Greater affinity for oxygen at higher ph

Question 16

Used for urography

Answer 16

Water soluble

Question 17

What artery supplies posterior part of inter ventricular septum and posterior walls of left ventricle

Answer 17

Posterior descending artery

Question 18

Scan used for acute pancreatitis

Answer 18

Ct

Question 19

Primary defect of kartagener syndrome

Answer 19

Abnormal cilia structure or function

Question 20

Where is the relaxed form of haemoglobin found

Answer 20

Near lungs

Question 21

Thickest tunica media found where

Answer 21

Arteries

Question 22

Y axis
X axis
Of dissociation curve

Answer 22

Y is oxygen saturation
X is partial pressure

Question 23

Parameters of frank starling law of heart

Answer 23

Stroke volume and end diastolic volume

Question 24

How are hemangiomas defined on ultrasound

Answer 24

Hyperchoic

Question 25

What stage do atroventricular valves open

Answer 25

Ventricular filling

Question 26

Mouse experiment

Answer 26

Ejection fraction

Question 27

Valve between left atrium and ventricle

Answer 27

Bicuspid/ mistrial valve

Question 28

contractility of the heart

Answer 28

Decreases ef

Question 29

Pet definition

Answer 29

Positron emission tomography

Question 30

Increase in preload

Answer 30

Increases edv

Question 31

Pnemotaxic centre location

Answer 31

Upper pons

Question 32

Increase in after load

Answer 32

Will decrease co

Question 33

Membrane that surrounds lungs

Answer 33

Visceral plura

Question 34

Which bronchus will trap foreign things

Answer 34

Right main bronchus

Question 35

What causes an increase in alveolar ventilation

Answer 35

Increase in paco2