A&P 2: Chapter 21: Blood Vessels

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The _______ divides the aorta into the thoracic aorta and the abdominal aorta

Diaphragm

Which of the following equations shows the correct relation between blood flow (F), pressure (P), and resistance (R)

F=P/R

A temporary loss of consciousness due to a decrease in blood flow to the brain is termed

Fainting

Compared to arteries, veins

Have thinner walls

Each of the following changes will result in increased blood flow to a tissue except

Increased hematocrit

The brachial and femoral arteries are examples of which type of artery?

Muscular

Blood pressure increases with all of the following except increased

Parasympathetic innervation

At the knee, the femoral artery becomes the ________ artery.

Popliteal

Blood flow through a capillary is controlled by the

Precapillary sphincter

As blood travels from arteries to veins,

Pressure drops

Which of these is not a short-term response to a decrease in blood pressure

Release of EPO

Each of the following will lead to a decrease in blood pressure except

Release of renin

In the bone marrow, new blood cells must enter the circulation through

Sinusoidal capillaries

The blood vessel that supplies blood to the pancreas, the small intestine, and most of the large intestine is the

Superior mesenteric artery

After blood leaves the capillaries, it enters the

Venules

In which of the following would the blood flow be highest

A vessel 1.0 cm in diameter and 2 meters long

Clinically, the term blood pressure usually refers to

Arterial pressure

Which of the following vessels changes diameter most readily to local conditions or SNS stimulation

Arterioles

What is the correct order for the sequence of blood vessels that blood would travel in the systemic circuit, starting at the aorta? 1.) Venules 2.) Arterioles 3.) Capillaries 4.) Elastic arteries 5.) Medium veins 6.) Large veins 7.) Muscular arteries

B; 4, 7, 2, 3, 1, 5, 6

After entering the arm, the axillary artery becomes the ________ artery.

Brachial

The vein that is formed from the fusion of the subclavian with the internal and external jugulars is the ________ vein.

Brachiocephalic

These vessels may be continuous or fenestrated

Capillaries

An important pulse point in the neck on the lateral sides of the trachea is the

Common carotid artery


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