How Well You Know About Hemodynamics? Quiz
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- 1.Blood flow is regulated largely by local metabolic effects in:
- A.
Muscle
- B.
Skin
- C.
Brain
- D.
Kidney
- 2.The portion of the circulatory system with the largest cross-sectional area:
- A.
Capillaries
- B.
Arterioles
- C.
Large Arteries
- D.
Large Veins
- 3.Vasoconstriction is elicited by all of the following except:
- A.
Carotid artery occlusion
- B.
Haemorrhage
- C.
Lying down
- D.
Asphyxia
- 4.The linear velocity of blood at the normal cardiac output in the aorta.
- A.
32 cm/s
- B.
64 cm/s
- C.
8 cm/s
- D.
50 cm/s
- 5.Laminar flow will occur in conditions in which Reynold’s number.
- A.
More than 3000
- B.
Less than 3000
- C.
Less than 2000
- D.
More than 2000
- 6.The following facts about arteriole are true except
- A.
They have thick muscular walls
- B.
They have rich sympathetic innervation
- C.
They have smallest internal diameter
- D.
The pressure drop is greatest than that across any other vessel
- 7.Arterioles and capillaries differ as follows
- A.
Arterioles have no adventitia
- B.
Capillaries have no muscle coat
- C.
Capillaries have no intimal layer
- D.
Only difference is diameter of lumen
- E.
None of the above
- 8.The murmurs in the circulation are characterictically heard
- A.
In the conditions where the viscosity of blood increases
- B.
In all situations where there is turbulence
- C.
When flow passes suddenly from a narrower to wider vessel
- D.
When blood enters the parent vessel
- 9.Windkessel effect is seen in
- A.
Aorta
- B.
Capillaries
- C.
Arterioles
- D.
Left ventricular musculature
- 10.Velocity of blood flow is inversely proportional to
- A.
Viscocity
- B.
Blood flow volume
- C.
Cross sectional area
- D.
Length
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