Multiple Choice Quiz on Circulatory System

This quiz is designed to assess your basic knowledge in ‘circulatory system'. Questions come under ‘medium’ category. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
ciculatory sysyem
1. The thickening of walls of arteries is called
arthritis
arteriosclerosis
aneurysm
none of these
2. Difference between pulmonary artery and pulmonary vein is that, the pulmonary artery has
valves
thicker walls
oxygenated blood
no endothelim
3. Rate of heart beat is determined by
AV node
SA node
papillary muscles
Purkinje fibres
4. Arteries carry oxygenated blood except
cardiac
systemic
hepatic
pulmonary
5. A vein possesses a large lumen because
tunica media and tunica externa form a single coat
tunica interna and tunica media form a single coat
tunica media is a thin coat
tunica interna, tunica media and tunica externa are thin
6. Open vascular system is found in
man
fish
earthworms
prawn
7. Incompletely divided ventricle can be seen in the heart of
reptiles
crocodiles
dipnoi fish
crocodile
8. Which of the following reptiles has four chambered heart
Crocodile
Turtle
Sphenodon
Calotes
9. The correct route through which pulse making impulse travels in the heart is
SA node-> Purkinje fibres->bundle of His-> AV node-> heart muscles
SA node->AV node-> bundle of His->Purkinje fibres->heart muscles
AV node-> Purkinje fibres->SA node->bundle of His->heart muscles
AV node-> SA node-> Purkinje fibres->bundle of His->heart muscles
10. Which one of the following has an open circulatory system?
octopus
Periplaneta
Pheretima
Hirudinaria
Score =
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