endocrine and cardiovascular exam
1(24
Which of these is a constituent of the heme portion of hemoglobin?
a) amino acids
b) magnesium
c) nucleic acids
d) enzymes
e) iron - ANSWERSiron
Identify a cellular component found in region A shown in the image.
a) neutrophil
b) stem cell
c) platelet
d) monocyte
e) fibrinogen - ANSWERSfibrinogen
Hemoglobin is responsible for:
a) immunity
b) blood clot
c) oxygen transport
d) antibody formation
e) erythropoiesis - ANSWERSoxygen transport
,The end products of the reaction between carbon dioxide and water within the erythrocytes
are:
a) hydrogen ions and carbonate ions
b) hydrogen ions and peroxide ions
c) hydrogen peroxide and carbon monoxide
d) hydrogen ions and bicarbonate ions
e) carbonic acid and oxygen - ANSWERShydrogen ions and bicarbonate ions
Identify the true statement about leukocytes.
a) they contain the pigment hemoglobin
b) they appear pink under a light microscope without artificial staining
c) they are nucleated structures
d) they transport carbon dioxide in blood
e) they function as determinants of various blood groups - ANSWERSthey are nucleated
structures
What is the function of a platelet plug?
a) to restrict leukocyte transportation
b) to prevent the occurrence of inflammation
c) to stop blood flow to sites of tissue injury
d) to stop blood loss from damaged blood vessels
e) to stop the expulsion of nitrogenous wastes - ANSWERSto stop blood loss from damaged
blood vessels
One mechanism that reduces blood loss is
a) opsonization
b) blood doping
, c) phagocytosis
d) vascular spasm
e) agglutination - ANSWERSvascular spasm
If a blood cell stains red-orange for a particular dye, it can be concluded that the cell is a/an
a) basophil
b) monocyte
c) neutrophil
d) eosinophil
e) erythrocyte - ANSWERSeosinophil
One of the factors that contributes to erythrocytes having a small life cycle is
a) the lack of a plasma membrane
b) the lack of a nucleus
c) their affinity to carbon monoxide
d) the presence of the enzyme carbonic anhydrase
e) their ability to bind with carbon dioxide - ANSWERSthe lack of a nucleus
The end products of the reaction between carbon dioxide and water within the erythrocytes are
a) hydrogen ions and carbonate ions
b) hydrogen ions and peroxide ions
c) hydrogen peroxide and carbon monoxide
d) hydrogen ions and bicarbonate ions
e) carbonic acid and oxygen - ANSWERShydrogen ions and bicarbonate ions
The series of chemical reactions that culminates in the formation of fibrin threads is known as:
1(24
Which of these is a constituent of the heme portion of hemoglobin?
a) amino acids
b) magnesium
c) nucleic acids
d) enzymes
e) iron - ANSWERSiron
Identify a cellular component found in region A shown in the image.
a) neutrophil
b) stem cell
c) platelet
d) monocyte
e) fibrinogen - ANSWERSfibrinogen
Hemoglobin is responsible for:
a) immunity
b) blood clot
c) oxygen transport
d) antibody formation
e) erythropoiesis - ANSWERSoxygen transport
,The end products of the reaction between carbon dioxide and water within the erythrocytes
are:
a) hydrogen ions and carbonate ions
b) hydrogen ions and peroxide ions
c) hydrogen peroxide and carbon monoxide
d) hydrogen ions and bicarbonate ions
e) carbonic acid and oxygen - ANSWERShydrogen ions and bicarbonate ions
Identify the true statement about leukocytes.
a) they contain the pigment hemoglobin
b) they appear pink under a light microscope without artificial staining
c) they are nucleated structures
d) they transport carbon dioxide in blood
e) they function as determinants of various blood groups - ANSWERSthey are nucleated
structures
What is the function of a platelet plug?
a) to restrict leukocyte transportation
b) to prevent the occurrence of inflammation
c) to stop blood flow to sites of tissue injury
d) to stop blood loss from damaged blood vessels
e) to stop the expulsion of nitrogenous wastes - ANSWERSto stop blood loss from damaged
blood vessels
One mechanism that reduces blood loss is
a) opsonization
b) blood doping
, c) phagocytosis
d) vascular spasm
e) agglutination - ANSWERSvascular spasm
If a blood cell stains red-orange for a particular dye, it can be concluded that the cell is a/an
a) basophil
b) monocyte
c) neutrophil
d) eosinophil
e) erythrocyte - ANSWERSeosinophil
One of the factors that contributes to erythrocytes having a small life cycle is
a) the lack of a plasma membrane
b) the lack of a nucleus
c) their affinity to carbon monoxide
d) the presence of the enzyme carbonic anhydrase
e) their ability to bind with carbon dioxide - ANSWERSthe lack of a nucleus
The end products of the reaction between carbon dioxide and water within the erythrocytes are
a) hydrogen ions and carbonate ions
b) hydrogen ions and peroxide ions
c) hydrogen peroxide and carbon monoxide
d) hydrogen ions and bicarbonate ions
e) carbonic acid and oxygen - ANSWERShydrogen ions and bicarbonate ions
The series of chemical reactions that culminates in the formation of fibrin threads is known as:
