Topic 1: Cardiovascular System Blood

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which of the following statements regarding leukocytes is TRUE?

leukocytes are the largest of the formed elements

In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these location in the correct chronological order?

bone marrow; blood vessels; spleen

If your son was diagnosed with hemophilia, he would have

a disorder of clotting process

Which of the following is (are) associated with decreased hematopoiesis

both vitamin b12 deficiency and iron deficiency anemia

Which of the following would lead to increased erythropoiesis

increased erythropoietin levels

Arrange the following events of coagulation in proper sequence (1) prothrombin → thrombin (2) fibrinogen → fibrin (3) activation of factor XII (4) formation of prothrombinase

3,4,1,2

Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation. 1. thrombin 2. fibrinogen 3. prothrombinase 4. activated Factor XII

4,3,1,2

How much oxygen is generally transported in combination with hemoglobin in red blood cells?

98.5%

What is tissue thromboplastin

A compound released by damaged tissue that initiates the extrinsic clotting pathway

In the platelet release reaction

ADP and thromboxanes stimulate other platelets to become activated

Why would a person have anti-Rh antibodies present in their blood?

An Rh-negative woman is carrying an Rh-postitive fetus

Which blood type is considered universal recipient

Type AB

Red blood cells have antigenic markers on their surfaces called

agglutinogens

What may be affected if the enzyme carbonic anhydrase was not made in the body?

conversion of carbon dioxide to bicarbonate ion

Which of the following events is one of the three main stages of coagulation?

conversion of fibrinogen to fibrin

Which plasma protein is correctly matched to its function

globulin-transport and immunity

The globulins are important plasma proteins that functions primarily in __

immunity

Randolf was suffering from severe hepatitis. His skin appeared to be jaundiced. That color change was due to

increased bilirubin in his circulatory system

Coumadin (Warfarin)

is a potent anticoagulant

Erythropoietin

is a product of the kidney

Iron

is needed to produce hemoglobin

The smallest leukocytes are the ___ and the larger leukocytes are the __

lymphocytes; monocytes

Bilirubin

may build up in the circulation and cause jaundice

Macrophages are derived from

monocytes

What gas is also carried by a beta-globin that may help regulate blood pressure?

nitric oxide

When large qualities of blood are lost, erythrocytes must be replaced to restore

oxygen-carrying capacity

when a blood vessel is damaged, which of the following events occurs last?

platelets begin to stick to each other and form a plug

which blood component is NOT correctly matched with its function

platelets-phagocytize bacteria

red blood cells will develop from

proerythroblasts

A white blood cell engulfing a bacterium is an example of blood functioning in

protection

Functions of plasma proteins include

regulation of osmotic pressure

Which of the following cell types is an immature red blood cell?

reticulocyte

Which of the following is NOT a consequence of sickle-cell anemia

sickles-shaped red blood cells are less likely to rupture

An increased amount of heparin in the blood might

slow down the clotting process.

Plasma is __ while formed elements are __

the liquid portion of blood; the cells

All of the following are potential locations for hematopoiesis in the embryo and fetus except

the placenta

During platelet plug formation, platelets release ___ and endothelial cells release __ which lead to vasoconstriction

thromboxane; endothelin

A person with blood type O blood should receive blood transfusion from a donor with

type O blood

The nervous system and certain chemicals can cause the constriction of the blood vessels. This is known as

vascular spasm


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