HEMA RODAKS REVIEWER QUESTIONS AND ANSWERS
A+ GRADED .Buy Quality Materials!
Normal adult Hb A contains which polypeptide chains?
a. alpha and delta
b. alpha and beta
c. alpha and gamma
d. alpha and epsilon
b. alpha and beta
Impedance is a cell-counting methods appropriately defined as:
a. Uses diffraction, reflection, and refraction of light waves
b. Uses high-voltage electrical waves to measure the internal complexity of cells
c. Involves detection and measurement of changes in electrical current between
two electrodes
c. Involves detection and measurement of changes in electrical current between two
electrodes
Neutrophils and monocytes are direct descendants of a common progenitor
known as:
a. MEP
b. HSC
c. CLP
d. GMP
d. GMP
What does the reticulocyte count assess?
a. Erythropoietic activity of the bone marrow
b. Inflammation
c. Ability of red blood cells to form rouleaux
d. Response to infection
a. Erythropoietic activity of the bone marrow
RBC destruction that occurs when macrophages ingest and destroy RBCs is
termed:
a. Extrahematopoietic
b. Intra-organ
c. Macrophage-mediated
d. Extracellular
c. Macrophage-mediated
Idiopathic acquired aplastic anemia is due to a(n):
a. Benzene exposure
, b. Unknown cause
c. Drug reaction
d. Inherited mutation in stem cells
b. Unknown cause
Using the normal hemoglobin-oxygen dissociation curve; when there is a
decrease in pH.
a. Shifted to the left of normal with increased oxygen affinity
b. Shifted to the right of normal with increased oxygen affinity
c. Shifted to the left of normal with decreased oxygen affinity
d. Shifted to the right of normal with decreased oxygen affinity
d. Shifted to the right of normal with decreased oxygen affinity
A WBC count control has a mean value of 6000/mL and an SD of 300/mL. What is
the 95.5% confidence interval?
a. 5700 to 6300/Ml
b. 5500 to 6500/mL
c. 5400 to 6600/mL
d. 3000 to 9000/mL
c. 5400 to 6600/mL
Which of the following conditions causes a prolonged thrombin time?
a. Warfarin therapy
b. Hypofibrinogenemia
c. Prothrombin deficiency
d. Antithrombin deficiency
b. Hypofibrinogenemia
Which are the most common erythroid stages found in normal marrow?
a. Pronormoblasts
b. Basophilic and polychromatophilic normoblasts
c. Polychromatophilic and orthochromic normoblasts
d. Pronormoblasts and basophilic normoblasts
c. Polychromatophilic and orthochromic normoblasts
A stained blood film is held up to the light and observed to be bluer than normal.
What microscopic abnormality might be expected on this film?
a. Toxic granulation
b. Spherocytosis
c. Rouleaux
d. Reactive lymphocytosis
c. Rouleaux
A laboratory scientist measures prothrombin time for plasma aliquots from 15
healthy men and 15 healthy women. She computes the mean and 95.5%
confidence interval and notes that they duplicate the manufacturer's statistics
within 5%. This procedure is known as:
A+ GRADED .Buy Quality Materials!
Normal adult Hb A contains which polypeptide chains?
a. alpha and delta
b. alpha and beta
c. alpha and gamma
d. alpha and epsilon
b. alpha and beta
Impedance is a cell-counting methods appropriately defined as:
a. Uses diffraction, reflection, and refraction of light waves
b. Uses high-voltage electrical waves to measure the internal complexity of cells
c. Involves detection and measurement of changes in electrical current between
two electrodes
c. Involves detection and measurement of changes in electrical current between two
electrodes
Neutrophils and monocytes are direct descendants of a common progenitor
known as:
a. MEP
b. HSC
c. CLP
d. GMP
d. GMP
What does the reticulocyte count assess?
a. Erythropoietic activity of the bone marrow
b. Inflammation
c. Ability of red blood cells to form rouleaux
d. Response to infection
a. Erythropoietic activity of the bone marrow
RBC destruction that occurs when macrophages ingest and destroy RBCs is
termed:
a. Extrahematopoietic
b. Intra-organ
c. Macrophage-mediated
d. Extracellular
c. Macrophage-mediated
Idiopathic acquired aplastic anemia is due to a(n):
a. Benzene exposure
, b. Unknown cause
c. Drug reaction
d. Inherited mutation in stem cells
b. Unknown cause
Using the normal hemoglobin-oxygen dissociation curve; when there is a
decrease in pH.
a. Shifted to the left of normal with increased oxygen affinity
b. Shifted to the right of normal with increased oxygen affinity
c. Shifted to the left of normal with decreased oxygen affinity
d. Shifted to the right of normal with decreased oxygen affinity
d. Shifted to the right of normal with decreased oxygen affinity
A WBC count control has a mean value of 6000/mL and an SD of 300/mL. What is
the 95.5% confidence interval?
a. 5700 to 6300/Ml
b. 5500 to 6500/mL
c. 5400 to 6600/mL
d. 3000 to 9000/mL
c. 5400 to 6600/mL
Which of the following conditions causes a prolonged thrombin time?
a. Warfarin therapy
b. Hypofibrinogenemia
c. Prothrombin deficiency
d. Antithrombin deficiency
b. Hypofibrinogenemia
Which are the most common erythroid stages found in normal marrow?
a. Pronormoblasts
b. Basophilic and polychromatophilic normoblasts
c. Polychromatophilic and orthochromic normoblasts
d. Pronormoblasts and basophilic normoblasts
c. Polychromatophilic and orthochromic normoblasts
A stained blood film is held up to the light and observed to be bluer than normal.
What microscopic abnormality might be expected on this film?
a. Toxic granulation
b. Spherocytosis
c. Rouleaux
d. Reactive lymphocytosis
c. Rouleaux
A laboratory scientist measures prothrombin time for plasma aliquots from 15
healthy men and 15 healthy women. She computes the mean and 95.5%
confidence interval and notes that they duplicate the manufacturer's statistics
within 5%. This procedure is known as:
