A&P2 Final - Blood

Mr. Smith moved from a low altitude to a high altitude and experienced an increase in RBCs. Which of the following caused this increase?

The lower oxygen concentration seen at higher altitudes

During platelet plug formation, platelets release _____ and endothelial cells release ____ which lead to vasoconstriction.

Thromboxane, endothelin

Erythropoiesis does not require

Vitamin K

Which of the following cell types is incorrectly matched with its description?

lymphocytes - become macrophages

Which of the following is NOT a method of carbon dioxide transport in the blood

held in the depression of a red blood cell

Which of the following is mismatched?

pernicious anemia - loss of blood from the body

An increase in hemoglobin increases

the ability of the blood to carry oxygen to various tissues.

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

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

Hemolytic disease of the newborn (HDN) occurs when

An Rh-negative woman is carrying an Rh-positive fetus.

On which chromosome is there a mutation that leads to sickle cell anemia?

Chromosome 11

A severely dehydrated patient begins to experience the formation of random blood clots. Why is this happening?

Dehydration leads to a concentration of clotting factors which triggers the intrinsic mechanism of coagulation

Which of the following functions is associated with the blood?

Delivery of oxygen to tissue cells

Which of the following statements regarding leukocytes is TRUE?

Leukocytes are the largest of the formed elements

Aggluntinins are

antibodies directed against blood cell antigenic markers

Which of the following is mismatched?

blood crossmatch - donor and recipient blood cells are mixed together

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 locations in the correct chronological order?

bone marrow, blood vessels, spleen

Fibrinolysis is responsible for

clot dissolution

Hemocytoblast stem cells

give rise to all formed elements in the blood.

Which of the following would lead to increased erythropoiesis?

increased erythropoietin levels

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

the placenta