QUESTIONS And CORRECT Answers
which portion of the heart has the thickest myocardium and the most contractile proteins? - CORRECT
ANSWERS left ventricle
in situation A you have a normal male hematocrit, and in situation B you have a normal female
hematocrit. Which of the following statements best represents these 2 situations? - CORRECT
ANSWERS A>B
which of the following disorders does not match results from abnormalities in the structure or numbers of
formed elements? - CORRECT ANSWERS hemophilia
these are events in clotting of blood:
1. Serving of a vessel
2. Clot retraction
3. Fibrin formation
4. Agglutination of platelets
put the answers in the correct order - CORRECT ANSWERS 1,4,3,2
formed elements that are biconcave discs that lack mitrochondria and nuclei are - CORRECT
ANSWERS erythrocytes
which of the following is an ion that functions as a cofactor during the clotting process? - CORRECT
ANSWERS calcium
cells in the red bone marrow that give rise to all the formed elements of the blood are called - CORRECT
ANSWERS hemocytoblasts
, all of the following pairs of cells are found in the buffy coat of centrifuged blood, except: - CORRECT
ANSWERS erythrocytes and reticulocytes
the mitral valve prevents the flow of blood from the - CORRECT ANSWERS left ventricle into the
left atrium
all of the following are important functions of the three major plasma proteins except: - CORRECT
ANSWERS transportation of oxygen and carbon dioxide
erythropoiesis - CORRECT ANSWERS increases in response to consistently low of O2 levels
all of the following are normal characteristics of blood except: - CORRECT ANSWERS 40C-42C
erythroblastesis fetalis, a type of hemolytic anemia, most often occurs in _____________ mothers -
CORRECT ANSWERS Rh-;Rh+
dehydration would cause - CORRECT ANSWERS an increase in hematocrit levels
given these structures of the conduction system of a heart:
1. AV bundle
2. AV node
3. Bundle branches
4. Purkinje fibers
5. SA node
choose the arrangement that lists the structures in the order the action potential passes through them. -
CORRECT ANSWERS 5-2-1-3-4
cardiac muscle tissue is characterized by all of these, except: - CORRECT ANSWERS long,
multinucleated, striated cells