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HEME EXAM 5-10 QUESTIONS WITH 100% ACTUAL ANSWERS!!
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HEME EXAM 5-10 QUESTIONS WITH 100% ACTUAL ANSWERS!!
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HEME EXAM 5-10QUESTIONS
WITH 100%
ACTUAL
ANSWERS!!
Evatee 10/18/24 HEME
,HEME EXAM 5-10 QUESTIONS WITH 100%
ACTUAL ANSWERS!!
Where is erythropoietin synthesized?
a) bone marrow
b) kidney
c) lymph nodes
d) spleen Answer - b
What stimulates production of erythropoietin?
a) decreased red cell number in the bone marrow
b) increased peripheral red cell number
c) decreased iron stores
d) decrease oxygen level in tissue Answer - d
Erythropoietin increases the number of red cells by all of the following
mechanisms except:
a) prolonging cell life span.
b) shortening cell division times.
c) allowing earlier cell egress from the bone marrow.
d) increasing the rate of hemoglobin synthesis. Answer - a
,Why do men typically have higher erythrocyte counts than women?
a) They weigh more and have more blood vessels.
b) They do not lose as much blood each month.
c) Testosterone stimulates erythropoietin
d) They have more oxygen in their blood. Answer - c
Programmed cell death is called:
a) necrosis.
b) apoptosis.
c) hemolysis.
d) phagocytosis. Answer - b
What is the main site for iron storage in the bone marrow?
a) stem cells
b) transferrin molecules
c) endothelial cells
d) macrophages Answer - d
Which of the following is true of red cell precursors as they mature?
a) Nuclear-to-cytoplasmic ratio goes up.
b) Cells become larger.
c) Cytoplasm becomes less basophilic.
, d) Nucleoli become more prominent. Answer - c
Which of the following has a pyknotic nucleus?
a) pronormoblast
b) basophilic normoblast
c) polychromatophilic normoblast
d) orthochomic normoblast Answer - d
When compared to mature erythrocytes, reticulocytes:
a) are larger and bluer on Wright stain from remnant RNA.
b) are larger and have more vacuoles on Wright stain from remnant DNA.
c) stain pinker with new methylene blue.
d) still have a nucleus. Answer - a
Which of the following correctly describes a normal mature erythrocyte?
a) 7- to 8-micron biconcave disk that lives 120 days
b) 7- to 8-micron spheroid that lives 120 days
c) 12- to 15-micron spheroid that lives 80 days
d) 12- to 15-micron biconcave disk that lives 80 days Answer - a
Abnormal concentrations of cations inside erythrocytes cause:
a) spherocytosis.
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