Chapter 19 Blood Vessels
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
