19. The Blood Vessels

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Muscular arteries control blood flow at the tissue level.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Arteries are the exchange vessels of the cardiovascular system.

Match the following arteries with the correct description. 

__Radial artery      

__Celiac trunk      

__Basilar artery       

__Superior mesenteric artery      

__Dorsalis pedis artery      

__Femoral artery      

__Internal iliac artery      

__Renal artery      

__Internal carotid artery      

__Subclavian artery

a. Supplies the small intestine and most of the large intestine 

b. Supplies the pelvis 

c. Supplies the upper limb 

d. Located in the lateral forearm 

e. Provides the blood supply to the lower limb 

f. Supplies the brain via the anterior and middle cerebral arteries 

g. Large single branch off the aorta that supplies the liver, stomach, duodenum, and spleen 

h. Supplies the foot and ankle 

i. Supplies the kidney 

j. Forms from the fusion of the two vertebral arteries 

Which of the following is not a common pulse point?

a. Femoral artery

b. Subclavian artery

c. Common carotid artery

d. Brachial artery

Explain why a severed artery spurts blood, whereas a severed vein merely leaks blood.

What is the protein-rich substance in elastic arteries that contributes to their ability to recoil & maintain blood pressure during diastole?

Which type of artery has the thickest tunica media in proportion to the rest of its wall?

Identify the superficial structures in the following diagram of the heart.

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

g. ___

h. ___

Fill in the blanks: The coronary arteries are the first branches off the ________. The right coronary artery becomes the ________ on the posterior side of the heart. The left coronary artery branches into the ________ and the ________.

Predict which would be more damaging to long-term survival: a blood clot lodged in the right coronary artery or one in the left coronary artery. Explain.

Florita Santos, a middle-aged woman, is admitted to the coronary care unit with a diagnosis of left ventricular failure resulting from a myocardial infarction. Her history indicates that she awoke in the middle of the night with severe chest pain. Her skin is pale and cold, and moist sounds are heard over the lower regions of both lungs. Explain how failure of the left ventricle can cause these signs and symptoms.

Trace one drop of blood from the time it enters the right atrium of the heart until it enters the left atrium. What is this circuit called?

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The pulmonary circuit delivers blood from the right side of the heart to the lungs to become oxygenated.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The tunica media consists of smooth muscle cells innervated by vasomotor nerves.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

Increased concentrations of carbon dioxide and hydrogen ions and a decreased concentration of oxygen in the interstitial fluid cause local arteriolar constriction.