A&P2 Blood Vessel (Test bank)

A&P2 Blood Vessel test bank FSCJ
Which of the following is the blood vessel that distributes blood to organs?
a) arteries
This is a blood vessel that conveys blood from the tissues back to the heart.
d) vein
Which artery wall is responsible for vasoconstruction?
b) tunica media
This layer of the artery is composed mainly of elastic and collagen fibers.
c) tunica externa
When an artery or arteriole is damaged, its smooth muscle contracts producing
c) a vascular spasm
Elastic arteries function as a
d) pressure reservoir
These vessels make up the largest blood reservoir.
d) Veins and venules
This vessel plays a key role in regulating blood flow into capillaries.
b) arterioles
which of the below is NOT found in arteries but is found in veins?
d) valves
Capillaries are also known as
a) exchange vessels
Which of the below is the most important capillary exchange method?
a) diffusion
These control the flow of blood through a capillary bed.
b) precapillary sphincter
Continuous capillaries can be found in the following tissues.
e) All of the above
The alternate route of blood flow to a body part through an anastomosis is called
d) collateral circulation
The largest factor that promotes reabsorption of fluids, into blood, from the interstitial fluids is
c) Blood osmotic pressure
the pressure driven movement of fluids and solutes from blood into interstitial fluid is called
b) filtration
This is the volume of blood that flows through any tissue in a given time period.
c) blood flow
Blood flow depends on which of the following criteria.
d) Blood pressure and systemic vascular pressure
Which of the below would NOT increase blood pressure.
e) Decreased cardiac output
Which of the below factors do NOT increase systemic vascular diameter?
c) decreased vessel length
This depends mostly on ratio of RBC to plasma volume.
b) blood viscosity
Circulation time
c) in a resting person is normally 1 minute
The cardiovascular center is located
d) in the medulla oblongata
Which of the below factors is most important in forcing blood flow through veins?
c) muscular activity
Which of the below would be the response of the body as a result of decreased frequency of action potentials arising from the baroreceptors?
a) increased blood pressure
Which of the following hormones would NOT cause an increase in blood pressure?
a) Atrial Natriuretic Peptide
Chemoreceptors in blood vessels measuring high levels of blood carbon dioxide would NOT cause which of the following
d) Decreased respiratory rate
The myogenic response make smooth muscle
a) Contract more forcefully when stretched
What do these chemicals have in common: potassium, hydrogen ions, lactic acid, nitric oxide and adenosine?
b) They are all potent vasodilators
Where can pulse not be felt?
d) Capillaries
This pressure provides information about the condition of the cardiovascular sustem such as atherosclerosis and patent ductus arterious.
c) Pulse pressure
This type of shock is due to decreased blood volume.
a) Hypovolemic
What do the following have in common: Superfical temporal artery, brachial artery and dorsal artery of the foot?
c) They are all pulse points
Which of the following is not a response to hypovolemic shock?
d) Release of vasoconstrictors
All of the veins of the systemic circulation drain into the
e) Superior and inferior vena cava and coronary sinus
The pulmonary trunk divides into
d) Right and left pulmonary arteries
In fetal circulation what is the opening between the right and left atria called?
d) Foramen ovale
Which of the below vessels is a pulse point at the wrist?
a) Radial artery
Which of the below vessels supplies blood to the intestines?
c) Mesenteric artery
Which of the below vessles supplies blood to the kidney?
b) Renal artery
Which of the below vessels drains blood from the lower leg?
c) Tibial vein
Which of the below vessels drains blood from the head and neck?
c) Jugular vein
Which of the below vessels drains blood from the lower body to the right atrium?
a) Inferior vena cava
After birth when the umbilical cord is cut what do the umbilical arteries fill with?
c) Connective tissue