Topic 1: Cardiovascular System Blood
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
