Wiley ch 19 practice quiz

serotonin

A chemical released by platelets that causes vasoconstriction after a blood vessel is damaged is: heparin histamine serotonin erythropoietin

O

An individual who lacks A and B agglutinogens and has both A and B agglutinins has ABO blood type A B O AB

All of these substances are transported by blood

Blood transports which of the following substances? Oxygen and carbon dioxide Nutrients Hormones Heat and waste All of these substances are transported by blood

an embolus

Clotting may occur in an undamaged blood vessel. When that clot breaks loose and circulates through the bloodstream it is called an aneurysm an embolus a thrombus a thrombocyte

thrombin

During clotting, prothrombin is activated to form fibrin fibrinogen prothrombin activator thrombin

dissolution of a clot

Fibrinolysis refers to formation of an embolus dissolution of a clot rapid mitosis of fibroblasts at the edges of a damaged vessel breakdown of fibrin to form fibrinogen

It would be equivalent to 1.5 2-liter bottles.

How does the volume of blood plasma in your body compare to the volume of fluid in a 2-liter bottle of coke? It would be equivalent to 0.5 2-liter bottles. It would be equivalent to 1.5 2-liter bottles. It would be equivalent to 4 2-liter bottles. It would be equivalent to 3 2-liter bottles. It would be equivalent to 5 2-liter bottles.

About 6 kg

How many kilograms or pounds of blood does your body contain?

gamma globulins

Plasma proteins which act as antibodies and attack foreign proteins are classified as

fibrin, thrombin

When a blood vessel is damaged, clot formation includes the conversion of fibrinogen into _____ by the action of the enzyme _____. thrombin, prothrombin thrombin, erythropoietin fibrin, prothrombin fibrin, thrombin

formation of prothrombinase

Which of the following begins the common pathway in clotting? release of tissue factor, formation of prothrombinase formation of fibrinogen release of thromboplastin

Presence or absence of Rh antigens is genetically determined

Which of the following is true concerning the Rh blood group? Presence or absence of Rh antigens is genetically determined People with blood type B are really B negative Being Rh- is associated with sickle-cell disease Rh+ people can give blood to anyone

In a process called diapedesis, neutrophils and macrophages engulf bacteria and destroy them.

Which of the following statements is incorrect? Emigration is a process by which white blood cells squeeze through a capillary wall and enter an infected area. Inflamed tissues and microbes release chemicals which attract phagocytes to an area in a process called chemotaxis. In a process called diapedesis, neutrophils and macrophages engulf bacteria and destroy them. Adhesion molecules help leukocytes to adhere to endothelium.

Streptokinase and tissue plasminogen activator are anticoagulants.

Which of the following statements is incorrect? Anticoagulants delay or prevent blood clotting. A blood clot is referred to as a thrombus. A blood clot, air bubble, fat from a broken bone or piece of debris transported by the blood stream is referred to as an embolus Thrombolytic agents are chemical substances that are injected in the body to dissolve blood clots after they form. Streptokinase and tissue plasminogen activator are anticoagulants.

Approximately 2 million erythrocytes are present in a microliter of blood.

Which of the following statements is incorrect? Platelets are irregularly disc shaped and about 2 - 4 micrometers in diameter. Erythrocytes live for approximately 120 days. Leukocytes live for a few hours to a few days. Approximately 2 million erythrocytes are present in a microliter of blood. Platelets and erythrocytes do not have nuclei.

Biliverdin is produced from the breakdown of the non-iron portion of heme

Which of the following statements is true? Iron is stored in the liver as globin The globin portion of hemoglobin is eliminated as urobilinogen Biliverdin is produced from the breakdown of the non-iron portion of heme Red blood cells can live for years before being broken down

e

Which of the following statements is/are incorrect? a.Blood is a liquid connective tissue consisting of cells surrounded by a liquid matrix called blood plasma. b.Interstitial fluid bathes body cells c. Interstitial fluid is constantly renewed by blood. d.Interstitial fluid receives wastes from body cells are transfers it to blood. e. Interstitial fluid transports oxygen from the lungs and nutrients from the gastrointestinal tract.

47%

Which of the following would be a normal hematocrit in an adult male? 22% 36% 47% 73%