BS week 10 revision quiz

The valve that separates the left atrium and the left ventricle is called the ...

• tricuspid

• mitral

• pulmonary

• aortic

Which is NOT a layer of the heart?

• epicardium

• myocardium

• endocardium

• monocardium

During ventricular diastole the fall in blood pressure in the aorta forces blood into the coronary circulation?

• true

• false

The volume of blood in the ventricles after atrial systole is called the ...

• end diastolic volume

• end systolic volume

• end volume

• stroke volume

The conduction of the heart is initiated by the ...

• central nervous system

• sinoatrial node

• atrioventricular node

• purkinje fibres

Stroke volume is heart rate x what?

• EDV

• ESV

• stroke volume

• tidal volume

The tunica media is thinner in arteries compared to veins?

• true

• false

Which is NOT a role of the lymphatic system?

• maintain blood volume

• absorption of fats

• infection

• oxygenation of blood

The average lifespan of a RBC is ....

• 10 days

• 100 days

• 120 days

• 140 days

Which is NOT part of the conduction portion of the respiratory tract?

• nose

• alveloi

• larynx

• trachea