7. Ch 7: Blood and Circulatory System Quiz

Which of these blood vessels carries deoxygen-ated blood from the legs to the heart?

• The superior vena cava

• The inferior vena cava

• The median cubital vein

• The jugular vein

The electrical signals that prompt the heart to beat begin in the

• Sinoatrial node

• Atrioventricular node

• The bundle of His

• The Purkinje fibers

The two upper chambers of the heart are called the _______________ and the two lower chambers are called the __________________.

• Ventricles, atria

• Aortas, atria

• Bicuspid chambers, tricuspid chambers

• Atria, ventricles

Leukocytes, erythrocytes, and thrombocytes make up this part of the blood:

• The formed elements

• The plasma

• The dissolved substances

• The antigens

When a blood vessel is injured, the muscular tissue in the middle layer of the blood vessel constricts to limit blood flow. This is called

• Primary hemostasis

• Secondary hemostasis

• Vasoconstriction

• Fibrinolysis

A centrifuged specimen that contains an anti-coagulant has a buffy coat, which contains

• Separator gel

• Erythrocytes and platelets

• Plasma and fibrinogen

• Leukocytes and thrombocytes

Clarence, a PBT, is drawing blood by venipuncture. When blood starts to enter the first collection tube, it is bright red and is pulsing into the tube. Which of the following is likely to be true?

• Clarence has the needle right in the center of the patient’s vein.

• Clarence has hit an artery.

• Clarence has hit an arteriovenous fistula.

• Clarence has the needle in a capillary bed.

Universal donors have blood type ________. Universal recipients have blood type ________.

• AB+, AB-

• O+, O-

• O-, AB+

• AB+, O-

B cells and T cells are involved in

• Blood clotting

• Fighting infection

• Preventing anemia

• Transporting oxygen

The largest artery in the body is the

• Aorta

• Carotid artery

• Brachial artery

• Radial artery