Choose the letter of the correct answer. Statement A B C D Resistive Vessels of the circulatory system are Large Arteries Large Veins Small arteries and arterioles Small veins and venules The blood vessels that are under the greatest pressure are Large Arteries Small Arteries Veins Capillaries A person with a blood pressure of 135/75 has a pulse pressure of 60 80 105 210

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Choose the letter of the correct answer.

Statement

A

B

C

D

Resistive Vessels of the circulatory system are

Large Arteries

Large Veins

Small arteries and arterioles

Small veins and venules

The blood vessels that are under the greatest pressure are

Large Arteries

Small Arteries

Veins

Capillaries

A person with a blood pressure of 135/75 has a pulse pressure of

60

80

105

210

Sympathetic impulses to the smooth muscles in the walls of arteries and arterioles produce

Vasodilation only

Vasodilation and Vasoconstriction

Vasomotor Inhibition

Arteriosclerosis

Substances exchanged at the capillary level move through the capillary walls by

Diffusion

Filtration

Osmosis

Active Transport

In the measurement of blood pressure, the cuff of the sphygmomanometer usually surrounds

The radial artery

The dorsalis pedis artery

The branchiocephalic artery

The branchial artery

Arterial blood pressure is independent of

Blood volume

Heart rate

Blood viscosity

Influx of calcium ions

Identify the TRUE statement(s). There may be several correct answers.

An increased cardiac output is reflected in an elevated diastolic pressure.

An increased cardiac output is reflected in a  decreased diastolic pressure.

An increase in the force of contraction produces an elevated systolic pressure.

An increase in the force of ventricular contraction produces decreased diastolic pressure.

In the absence of compensations, the stroke volume will decrease when

Blood volume increases

Venous return increases

Contractility increases

Arterial blood pressure increases

If a vessel were to dilate to twice its previous radius, and of pressure remain constant, blood flow though this vessel would

Increase by a factor of 16

Increase by a factor of 4

Increase by a factor of 2

Decrease by a factor of 2

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