Flow Rate and Velocity in Blood Vessels

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Questions and Answers

Flow is the same for the whole system and depends on the ______

pressure gradient

Resistance depends on viscosity, vessel length, and vessel ______

radius

Radius is the greatest determinant of ______, and thus of flow.

resistance

Velocity is equal to flow/total area of the ______

<p>vessel</p> Signup and view all the answers

Somatic motor neuron releases ACh at the motor end plate to ______ ACh receptor on motor end plate triggers a graded potential.

<p>nicotinic</p> Signup and view all the answers

Which of the following factors is the greatest determinant of resistance in blood vessels?

<p>Vessel radius (B)</p> Signup and view all the answers

What is the relationship between flow rate and pressure gradient in blood vessels?

<p>Flow rate increases with increasing pressure gradient (C)</p> Signup and view all the answers

Which blood vessels have the highest velocity of blood flow?

<p>Capillaries (B)</p> Signup and view all the answers

What triggers an action potential in the transverse tubule at the motor end plate?

<p>Nicotinic ACh receptor (B)</p> Signup and view all the answers

Which ion is responsible for binding with receptors on troponin in muscle contraction?

<p>Calcium (Ca2+) (D)</p> Signup and view all the answers

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