Exam 15: The Cardiovascular and Lymphatic Systems

If someone who is severely allergic to bee stings gets stung, the person may experience anaphylactic shock, which can cause a fatal drop in blood pressure. The drop in blood pressure is due to an inappropriate release of histamine in response to the sting. Histamine causes massive vasodilation, so how does this affect blood pressure?

Charlotte had an operation in which some of her lymphatic system was removed in a certain area. If not treated, you would expect to see ________ occurring in the surrounding tissue.

A(n) ________ is the device that is used to measure blood pressure.

Lucy, a new Army recruit, stood in formation for long periods of time without moving an inch. She eventually became lightheaded and fainted because her blood pressure dropped. What might have caused her blood pressure to drop?

James misspoke at the banquet last night and became embarrassed. His face looked red because the facial arteries and arteriole muscles relaxed. These arteries and arterioles were ________.

Which of the following characterizes blood flow through capillaries?

The cardiac muscle tissue is called the ________.

A patient has a heart attack and wakes up in the hospital. He gets a visit from his doctor, who says he had to shock the patient's heart because part of it had gone into fibrillation. The doctor jokes that it could have been worse if the other part of the heart had been in fibrillation and that the patient was really lucky. Which chambers of the heart in the patient were in fibrillation, the atria or the ventricles?

Why would someone need to have an artificial pacemaker installed in his or her heart tissue?

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

Which of the following is (are) found in many veins that help direct blood flow in one direction only: toward the heart?

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.

Sam suffered a stroke in which one of the main branches of this vessel going to the brain was blocked.

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.

An infection of the thin layer of tissue around the inner cavities of the heart itself would affect the ________.

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

Which sequence is correct?

Heart block is a condition in which the SA node is properly functioning but the atria and ventricles are contracting out of synch. Which of the following statements explains why this happens?

The ________ valves prevent blood from flowing back into the heart once it has left the ventricles.

If the connective tissue in the ventricles, called ________, gives way, blood may go backward through the AV valves.