Chapter 19 Blood Vessels

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Which statement best describes arteries?

All carry blood away from the heart.

Neural regulation of blood pressure primarily operates via each of the following mechanisms except?

Altering blood volume

Each of the following types of circulatory shock is correctly matched to its description except___

Anaphylactic shock due to an allergic reaction that results in massive vasoconstriction and a resulting increase of blood volume and blood pressure

These vessels are sites where blood pressure is most commonly measured.

Arteries

Which vessels are the sites of the greatest resistance in the entire vascular network?

Arterioles

Which of the choices below is not an example of tissue perfusion?

Blood clotting

Select the correct statement about blood flow.

Blood flow through the entire vascular system is equivalent to cardiac output.

Which vessel is most commonly used to measure blood pressure on an initial visit to a physicians office?

Brachial Artery

Which group of vessels contain the least amount of blood?

Capillaries

Which vessel permit the exchange of nutrients and gases between the blood and tissues?

Capillaries

Which of the following is not one of the three main factors influencing blood pressure?

Conscious control via the cerebral cortex

Each of the following are related to varicose veins except ___?

Constricted veins

Which hormone help regulate blood volume and pressure?

Each of the hormones listed play a role in regulating blood volume and pressure

The circulatory route that runs from the digestive tract to the liver is called__.

Hepatic portal circulation

Group of vessels where the blood volume is the greatest.

Large Veins

Which group of vessels contains blood under the lowest pressure?

Large Veins

Which of the choices below does not explain why low capillary pressures are desirable?

Low capillary pressure ensures that oxygen and glucose are not released to the tissues, but remain in the blood where they are needed.

Which vessel carries deoxygenated blood toward the lungs?

Pulmonary Trunk

Which vessel carries oxygen rich blood away from the lungs?

Pulmonary Vein

Which is a common location a health care provider would palpate to determine a patients heart rate?

Radial artery

Which of the following demonstrates the correct sequence in the delivery of blood through the pulmonary circuit (from the head to the lungs and back to the heart)?

Right ventricle, pulmonary arteries, and left atrium

Which vessel is commonly used to restore blood flow in a coronary bypass?

Saphenous Vein

The velocity of blood flow is __.

Slowest in the capillaries because the total cross sectional area is the greatest

Which of the following veins carries deoxygenated blood into the right atrium?

Superior Vena Cava

The pulse pressure is calculated by utilizing which of the following formulas?

Systolic pressure minus diastolic pressure

Which layer of an artery plays the greatest role in maintaining blood pressure and continuous blood circulation?

Tunica Media

Factors that aid in the veins in returning blood to the heart include each of the following except__?

Urinary Output

Each of the following mechanisms plays a major role in the regulation of blood pressure except___?

Urinary regulation consisting of storage of excess water in the bladder

Which is the largest artery of the body?

aorta

Which layer in an artery contains the endothelium?

tunica intima


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