A&P 2: Chapter 21: Blood Vessels
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
