Chapter 19 - Blood Vessels

Hypertension is defined physiologically as a condition of sustained arterial pressure of __________ or higher.

Blood flow would be increased by

The major long-term mechanism of blood pressure control is provided by the __________.

Sympathetic impulses

Define Angiotensin II

Match the following term with the correct description: Nitric oxide.

Stretch of vascular smooth muscle.

Any condition in which blood vessels are inadequately filled and blood cannot circulate normally is called

Match the following term to its correct description: Pulse pressure.

Define Blood Pressure

Total blood vessel length

Define blood flow

Most neural controls of blood pressure involve input from baroreceptors, which are sensitive to

Define resistance

When would the capillary beds surrounding the gastrointestinal organs be open?

What acts on the kidneys and blood vessels to raise blood pressure?

Define diastolic pressure

Loss of vasomotor tone that results in a huge drop in peripheral resistance is known as

Define mean arterial pressure.

Define Blood viscosity.

Cardiogenic shock is most likely to result from

Which of the following is the major force generating blood flow?

Which tunic of an artery is most responsible for maintaining blood pressure and continuous blood circulation?

Which statement best describes arteries?

Which of the choices below explains why the arterioles are known as resistance vessels?

The arteries that directly feed into the capillary beds are called

Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of

Which of the following is true about veins?

Peripheral resistance

The influence of blood vessel diameter on peripheral resistance is

The pulse pressure is

Factors that aid venous return include all except

Arteriolar blood pressure increases in response to all but which of the following?

How would an attack by a mugger affect blood pressure? What is the physiological basis for your answer?

Which of the following chemicals does not help regulate blood pressure?

Aldosterone will

Mechanisms that do not help regulate blood pressure include

The short-term controls of blood pressure, mediated by the nervous system and bloodborne chemicals, primarily operate via all but which of the following?

The baroreceptors in the carotid sinus and aortic arch are sensitive to which of the following?