Exam 12: The Cardiovascular and Lymphatic Systems

Blood vessels that serve as gateways to capillary beds are ________.

A certain infectious disease can cause swellings on the aortic semilunar valve.The valve will then not close properly,resulting in ________.

Charlotte had an operation in which some of her lymphatic system was removed in a certain area.The symptom you would expect in the affected area if there were no other treatment is ________.

Explain the structure and functions of the arteries.

Which of these is the most correct sequence of signals?

Match each definition in the first column to the correct term in the second column. -The site where certain lymphocytes mature,enabling them to fight specific disease-causing organisms.

What function do the veins have and how do these vessels compare with the arteries?

Heart block is a condition in which the SA node is properly functioning but the atria and ventricles are contracting out of synch.What part of the heart must not be functioning for this to happen?

A physician has a patient with an abnormal heart sound.After running some tests,the doctor decides that the patient has a heart murmur but the condition is not severe enough to warrant open-heart surgery.What does the doctor think about to make this determination?

When these valves open,blood goes from the atria to the ventricles.

Which of these are the smallest of veins that form when capillaries merge?

Match each definition in the first column to the correct term in the second column. -Veins that carry oxygenated blood from the lungs to the heart.

The coronary arteries supply blood to cardiac tissue.Which chamber of the heart requires the greatest amount of blood supply to keep it working?

In an EKG,the QRS wave indicates what?

Clarice,a dental hygienist,knows she cannot work on a patient with an infected oral cavity.A quick and effective way to determine if an infection exists is to feel for swollen ________ below the jaw.

The bulk of the heart which consists of cardiac muscle tissue is called the ________.

The ________ is a fibrous sac that holds the heart in the center of the chest cavity without hampering its movements,even when the heart is contracting vigorously.

The smallest arteries,called ________,are barely visible to the unaided eye.

Match each definition in the first column to the correct term in the second column. -System that consists of both the cardiovascular and the lymphatic systems.

Trace a drop of blood as it enters the vena cava and travels through the heart and body.Include the major vessels and the heart chambers and valves in your answer.