ZOO502 Final Term Quiz 3 July 2023 by Miss Mehwish

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Q1. Blood is ____________ times viscous than water.

1. 3 to 4
2. 10 to 15
3. 8 to 9
4. 6 to 8

Correct option: a) 3 to 4

Q2. In the peripheral circulatory pathway, blood is pumped from ______________. Options:

1. Right atrium
2. Left atrium
3. Left ventricle
4. Right ventricle

Correct option: d) Right ventricle

Q3. The phenomenon of plasma skimming and resultant increased blood flow velocity is called

1. Viscosity
2. Fahraeus-Lindqvist effect
3. Microcirculation
4. Poiseuille's law

Correct option: b) Fahraeus-Lindqvist effect

Q4. ________ serves as a major inducer of vasodilation in the cardiovascular system. Options:

1. Sodium
2. Potassium
3. Carbon
4. Nitric oxide (NO)

Correct option: d) Nitric oxide (NO)

Q5. Plasma skimming is the natural separation of _________ from plasma. Options:

1. Platelets
2. White blood cells
3. All of the above
4. Red blood cells

Correct option: d) Red blood cells

Q6. According to ____________, the flow of blood is inversely related to viscosity. Options:

1. Charles's law
2. Conservation law
3. Poiseuille's law
4. Boyle's law

Correct option: C) Poiseuille's law Poiseuille's law

Q7. Blood pressure is generated by the __________ of the ventricle of the heart. Options:

1. Contraction
2. Relaxation
3. Small holes
4. None of the above

Correct option: a) Contraction

Q8. Which type of blood vessels carry blood away from the heart? Options:

1. Veins
2. Capillaries
3. Arteries
4. Arteries, veins, and capillaries

Correct option: c) Arteries

Q9. What does vasoconstriction stand for?

1. None of the above
2. Narrowing of the blood vessels
3. Dilation of blood vessel
4. Dilation of blood vessel