KEY WORD PEANUT B. Disinfect area, remove gloves, remove lab coat,
wash hands
What is the most abundant amino acid in the body, C. Disinfect area, remove gloves, wash hands, remove
being involved in more metabolic processes than any lab coat
other amino acid? D. Remove gloves, wash hands, remove lab coat,
A. Alanine disinfect area
B. Glutamine
C. Serine In addition to performing hemoglobin
D. Tyrosine electrophoresis, a solubility test may be performed
to detect the presence of what hemoglobin?
Tests for fecal occult blood are in general use as a A. A,
screening test for which of the following? B. C
A. Breast cancer C. F
B. Colorectal cancer D. S
C. Enteric infection of the colon
D. Malabsorption syndrome Which specimen is the sample of choice for lead
screening?
In a person with normal glucose metabolism, the A. Whole blood
blood glucose level usually increases rapidly after B. Hair
carbohydrates are ingested but returns to a normal C. Serum
level after: D. Urine
A. 30 minutes
B. 45 minutes Select the most appropriate single screening test
C. 60 minutes for thyroid disease.
D. 120 minutes A. Free thyroxine index
B. Total T3 assay
Pyuria: C. Total T4
A. Protein in urine D. TSH assay
B. Glucose in urine
C. WBCs in urine Thyroid hormones are derived from the amino acid:
D. Casts in urine A. Phenylalanine
B. Methionine
"Suicide sac" within the cell: C. Tyrosine
A. Mitochondria D. Histidine
B. Golgi bodies
C. Lysosome Of the total serum calcium, free ionized calcium
D. Nucleus normally represents approximately what percent?
A. 10
Disseminated intravascular coagulation (DIC) is most B. 40
often associated with which of the following types C. 50
of acute leukemia? D. 90
A. Acute myeloid leukemia without maturation
B. Acute promyelocytic leukemia Of the total serum osmolality, sodium, chloride, and
C. Acute myelomonocytic leukemia bicarbonate ions normally contribute approximately
D. Acute monocytic leukemia what percent?
A. 8
Which genera are positive for phenylalanine B. 45
deaminase? C. 75
A. Enterobacter, Escherichia, and Salmonella D. 92
B. Morganella, Providencia, and Proteus
C. Klebsiella and Enterobacter Which of the following characterizes Crigler-Najjar
D. Proteus, Escherichia, and Shigella syndrome?
A. Inability to transport bilirubin from the
Point-of-care testing (POCT) refers to: sinusoidal membrane to the microsomal region
A. All testing done to the patient to save time B. Deficiency of the enzyme system required for
B. All lab testing done in the central lab conjugation of bilirubin
C. Any clinical lab testing done at the patient’s C. Inability to transport bilirubin glucuronides to
bedside the bile canaliculi
D. Satellite lab testing D. Severe liver cell damage accompanied by necrosis
Which order of events should be followed at the What condition is characterized by an elevation of
conclusion of a laboratory worker’s shift in order total bilirubin primarily due to an increase in the
to prevent the spread of bloodborne pathogens? conjugated bilirubin fraction?
A. Remove gloves, disinfect area, wash hands, remove A. Hemolyticjaundice
lab coat B. Neonatal jaundice
,C. Crigler-Najjar syndrome B. Basophilic normoblast
D. Obstructive jaundice C. Polychromatophilic normoblast
D. Orthochromatophilic normoblast
Which of the following reagent systems contains the
components sulfanilic acid, hydrochloric acid, and The most mature cell that can undergo mitosis is
sodium nitrite? the:
A. Jaffe A. Myeloblast
B. Zimmerman B. Promyelocyte
C. Diazo C. Myelocyte
D. Lowry D. Metamyelocyte
What term is used to describe the accumulation of Paragonimus westermani infection is acquired by:
bilirubin in the skin? A. Drinking contaminated water
A. Jaundice B. Eating infected crustacea
B. Hemolysis C. Eating infected fish
C. Cholestasis D. Eating infected water chestnuts
D. Kernicterus
In which of the following sets of nematodes can each
If elevated, which laboratory test would support a organism cause a pneumonia-like syndrome in a person
diagnosis of congestive heart failure? exposed to heavy infection with any of the three
A. Homocysteine parasites?
B. Troponin A. Ascaris lumbricoides, Trichuris trichiura, or
C. Albumin cobalt binding Onchocerca volvulus
D. B-type natriuretic peptide B. Enterobius vermicularis, Dracunculus medinensis,
or Trichuris trichiura
Which of the following enzymes does not belong to C. Strongyloides stercoralis, Wuchereria bancrofti,
the class of enzymes known as the hydrolases? or Angiostrongylus costaricensis
A. Alkaline phosphatase D. Necator americanus, Ascaris lumbricoides, or
B. Aldolase Strongyloides stercoralis
C. Amylase
D. Lipase In the collection and transport of stool specimens
for parasites, which parasitic stage is most
To what class of enzymes does lactate dehydrogenase affected by the length of time from collection to
belong? examination?
A. Isomerases A. Cysts
B. Ligases B. Trophozoites
C. Oxidoreductases C. Oocysts
D. Transferases D. Helminth larvae
Which test may be performed to assess the average Consumption of the infective larval stage encysted
plasma glucose level that an individual maintained on aquatic plants that have not been cooked results
during a previous 2- to 3-month period? in infection with:
A. Plasma glucose A. Clonorchis sinensis
B. Two-hour postprandial glucose B. Fasciola hepatica
C. Oral glucose tolerance C. Heterophyes heterophyes
D. Glycated hemoglobin D. Paragonimus westermani
What does hydrolysis of sucrose yield? Which of the following can cause toxic shock
A. Glucose only syndrome?
B. Galactose and glucose A. C. difficile and C. perfringens
C. Maltose and glucose B. M. pneumoniae and M. tuberculosis
D. Fructose and glucose C. N. gonorrhoeae and E. coli
D. S. aureus and S. pyogenes
During chemotherapy for leukemia, which of the
following analytes would most likely be elevated in All the following antimicrobial agents work by
the blood? inhibiting cell wall synthes is except:
A. Uric acid A. cephalosporins
B. chloramphenicol
B. Urea
C. Creatinine C. penicillin
D. Ammonia D. vancomycin
Which of the following red cell precursors is the What components may not be prepared if whole blood
last stage to undergo mitosis? is spun at 1-6C?
A. Pronormoblast A. Packed red cells
B. Leukocyte-poor red cells
, C. Platelets A. Neutrophils
D. FFP B. Eosinophils
C. Monocytes
One of these disease-causing organisms is killed by D. Lymphocytes
refrigeration of stored blood. Which one is it?
A. Cytomegalovirus Which of the following pairs of helminths cannot be
B. Hepatitis B virus reliably differentiated by the appearance of their
C. Plasmodium vivax eggs?
D. Treponema spirochete A. Ascaris lumbricoides and Necator americanus
B. Hymenolepis nana and H. diminuta
Which one of the following anaerobes is inhibited by C. Necator americanus and Ancylostoma duodenale
sodium polyanethol sulfonate (SPS)? D. Diphyllobothrium latum and Fasciola hepatica
A. Bacteroides fragilis
B. Peptostreptococcus anaerobius A 15-um pear-shaped flagellate with a visible
C. Propionibacterium acnes parabasal body and "falling leaf" motility in a
D. Veillonella parvula direct saline mount of a diarrheal stool specimen is
most probably
The mycobacteria that produce a deep yellow or A. Balantidium coli
orange pigment both in the dark and light are: B. Chilomastix mesnili
A. Photochromogens C. Giardia lamblia
B. Scotochromogens D. Trichomonas hominis
C. Nonchromogens
D. Rapid growers Which stage of Taenia saginata is usually infective
for humans?
The Epstein-Barr virus is associated with which of A. Cysticercus larva
the following? B. Embryonated egg
A. Chickenpox C. Filariform larva
B. Hodgkin lymphoma D. Rhabditiform larva
C. Burkitt lymphoma
D. Smallpox Chagas disease (American trypanosomiasis) is caused
by
The examination of sputum may be necessary to A. Tiypanosoma brucei
diagnose infection with: B. Trypanosoma cruzi
A. Paragonimus westermani C. Leishmania braziliensis
B. Trichinella spiralis D. Dracunculus medinensis
C. Wuchereria bancrofti
D. Fasciola hepatica Which of the following is the vector for Babesia?
A. Fleas
Examination of 24-hour unpreserved urine specimen is B. Lice
sometimes helpful in the recovery of: C. Ticks
A. Trichomonas vaginalis trophozoites D. Mosquitoes
B. Schistosoma haematobium eggs
C. Enterobius vermicularis eggs Hematuria is a typical sign of human infection
D. Strongyloides stercoralis larvae caused by
A. Trypanosoma cruzi
Gram stain from a gum lesion showed what appeared to B. Trichinella spiralis
be amoebae. A trichrome smear showed amoebae with a C. Trichomonas vaginalis
single nucleus and partially digested PMNs. The D. Schistosoma haematobium
correct identification is:
A. Trichomonas tenax Which of the following nematode parasites is
B. Entamoeba histolytica/E. dispar acquired from eating inadequately cooked, infected
C. Entamoeba gingivalis pork?
D. Entamoeba polecki A. Strongyloides stercoralis
B. Taenia saginata
Parasitic organisms that are most often transmitted C. Taenia solium
sexually include: D. Trichinella spiralis
A. Entamoeba gingivalis
B. Dientamoeba fragilis Which species of Plasmodium can have exoerythrocytic
C. Trichomonas vaginalis stages capable of causing relapses months or years
D. Diphyllobothrium latum after initial infection?
A. P. falciparum
Charcot–Leyden crystals in stool may be associated B. P. ovale
with an immune response and are thought to be formed C. P. malariae
from the breakdown products of: D. P. cynomolgi
wash hands
What is the most abundant amino acid in the body, C. Disinfect area, remove gloves, wash hands, remove
being involved in more metabolic processes than any lab coat
other amino acid? D. Remove gloves, wash hands, remove lab coat,
A. Alanine disinfect area
B. Glutamine
C. Serine In addition to performing hemoglobin
D. Tyrosine electrophoresis, a solubility test may be performed
to detect the presence of what hemoglobin?
Tests for fecal occult blood are in general use as a A. A,
screening test for which of the following? B. C
A. Breast cancer C. F
B. Colorectal cancer D. S
C. Enteric infection of the colon
D. Malabsorption syndrome Which specimen is the sample of choice for lead
screening?
In a person with normal glucose metabolism, the A. Whole blood
blood glucose level usually increases rapidly after B. Hair
carbohydrates are ingested but returns to a normal C. Serum
level after: D. Urine
A. 30 minutes
B. 45 minutes Select the most appropriate single screening test
C. 60 minutes for thyroid disease.
D. 120 minutes A. Free thyroxine index
B. Total T3 assay
Pyuria: C. Total T4
A. Protein in urine D. TSH assay
B. Glucose in urine
C. WBCs in urine Thyroid hormones are derived from the amino acid:
D. Casts in urine A. Phenylalanine
B. Methionine
"Suicide sac" within the cell: C. Tyrosine
A. Mitochondria D. Histidine
B. Golgi bodies
C. Lysosome Of the total serum calcium, free ionized calcium
D. Nucleus normally represents approximately what percent?
A. 10
Disseminated intravascular coagulation (DIC) is most B. 40
often associated with which of the following types C. 50
of acute leukemia? D. 90
A. Acute myeloid leukemia without maturation
B. Acute promyelocytic leukemia Of the total serum osmolality, sodium, chloride, and
C. Acute myelomonocytic leukemia bicarbonate ions normally contribute approximately
D. Acute monocytic leukemia what percent?
A. 8
Which genera are positive for phenylalanine B. 45
deaminase? C. 75
A. Enterobacter, Escherichia, and Salmonella D. 92
B. Morganella, Providencia, and Proteus
C. Klebsiella and Enterobacter Which of the following characterizes Crigler-Najjar
D. Proteus, Escherichia, and Shigella syndrome?
A. Inability to transport bilirubin from the
Point-of-care testing (POCT) refers to: sinusoidal membrane to the microsomal region
A. All testing done to the patient to save time B. Deficiency of the enzyme system required for
B. All lab testing done in the central lab conjugation of bilirubin
C. Any clinical lab testing done at the patient’s C. Inability to transport bilirubin glucuronides to
bedside the bile canaliculi
D. Satellite lab testing D. Severe liver cell damage accompanied by necrosis
Which order of events should be followed at the What condition is characterized by an elevation of
conclusion of a laboratory worker’s shift in order total bilirubin primarily due to an increase in the
to prevent the spread of bloodborne pathogens? conjugated bilirubin fraction?
A. Remove gloves, disinfect area, wash hands, remove A. Hemolyticjaundice
lab coat B. Neonatal jaundice
,C. Crigler-Najjar syndrome B. Basophilic normoblast
D. Obstructive jaundice C. Polychromatophilic normoblast
D. Orthochromatophilic normoblast
Which of the following reagent systems contains the
components sulfanilic acid, hydrochloric acid, and The most mature cell that can undergo mitosis is
sodium nitrite? the:
A. Jaffe A. Myeloblast
B. Zimmerman B. Promyelocyte
C. Diazo C. Myelocyte
D. Lowry D. Metamyelocyte
What term is used to describe the accumulation of Paragonimus westermani infection is acquired by:
bilirubin in the skin? A. Drinking contaminated water
A. Jaundice B. Eating infected crustacea
B. Hemolysis C. Eating infected fish
C. Cholestasis D. Eating infected water chestnuts
D. Kernicterus
In which of the following sets of nematodes can each
If elevated, which laboratory test would support a organism cause a pneumonia-like syndrome in a person
diagnosis of congestive heart failure? exposed to heavy infection with any of the three
A. Homocysteine parasites?
B. Troponin A. Ascaris lumbricoides, Trichuris trichiura, or
C. Albumin cobalt binding Onchocerca volvulus
D. B-type natriuretic peptide B. Enterobius vermicularis, Dracunculus medinensis,
or Trichuris trichiura
Which of the following enzymes does not belong to C. Strongyloides stercoralis, Wuchereria bancrofti,
the class of enzymes known as the hydrolases? or Angiostrongylus costaricensis
A. Alkaline phosphatase D. Necator americanus, Ascaris lumbricoides, or
B. Aldolase Strongyloides stercoralis
C. Amylase
D. Lipase In the collection and transport of stool specimens
for parasites, which parasitic stage is most
To what class of enzymes does lactate dehydrogenase affected by the length of time from collection to
belong? examination?
A. Isomerases A. Cysts
B. Ligases B. Trophozoites
C. Oxidoreductases C. Oocysts
D. Transferases D. Helminth larvae
Which test may be performed to assess the average Consumption of the infective larval stage encysted
plasma glucose level that an individual maintained on aquatic plants that have not been cooked results
during a previous 2- to 3-month period? in infection with:
A. Plasma glucose A. Clonorchis sinensis
B. Two-hour postprandial glucose B. Fasciola hepatica
C. Oral glucose tolerance C. Heterophyes heterophyes
D. Glycated hemoglobin D. Paragonimus westermani
What does hydrolysis of sucrose yield? Which of the following can cause toxic shock
A. Glucose only syndrome?
B. Galactose and glucose A. C. difficile and C. perfringens
C. Maltose and glucose B. M. pneumoniae and M. tuberculosis
D. Fructose and glucose C. N. gonorrhoeae and E. coli
D. S. aureus and S. pyogenes
During chemotherapy for leukemia, which of the
following analytes would most likely be elevated in All the following antimicrobial agents work by
the blood? inhibiting cell wall synthes is except:
A. Uric acid A. cephalosporins
B. chloramphenicol
B. Urea
C. Creatinine C. penicillin
D. Ammonia D. vancomycin
Which of the following red cell precursors is the What components may not be prepared if whole blood
last stage to undergo mitosis? is spun at 1-6C?
A. Pronormoblast A. Packed red cells
B. Leukocyte-poor red cells
, C. Platelets A. Neutrophils
D. FFP B. Eosinophils
C. Monocytes
One of these disease-causing organisms is killed by D. Lymphocytes
refrigeration of stored blood. Which one is it?
A. Cytomegalovirus Which of the following pairs of helminths cannot be
B. Hepatitis B virus reliably differentiated by the appearance of their
C. Plasmodium vivax eggs?
D. Treponema spirochete A. Ascaris lumbricoides and Necator americanus
B. Hymenolepis nana and H. diminuta
Which one of the following anaerobes is inhibited by C. Necator americanus and Ancylostoma duodenale
sodium polyanethol sulfonate (SPS)? D. Diphyllobothrium latum and Fasciola hepatica
A. Bacteroides fragilis
B. Peptostreptococcus anaerobius A 15-um pear-shaped flagellate with a visible
C. Propionibacterium acnes parabasal body and "falling leaf" motility in a
D. Veillonella parvula direct saline mount of a diarrheal stool specimen is
most probably
The mycobacteria that produce a deep yellow or A. Balantidium coli
orange pigment both in the dark and light are: B. Chilomastix mesnili
A. Photochromogens C. Giardia lamblia
B. Scotochromogens D. Trichomonas hominis
C. Nonchromogens
D. Rapid growers Which stage of Taenia saginata is usually infective
for humans?
The Epstein-Barr virus is associated with which of A. Cysticercus larva
the following? B. Embryonated egg
A. Chickenpox C. Filariform larva
B. Hodgkin lymphoma D. Rhabditiform larva
C. Burkitt lymphoma
D. Smallpox Chagas disease (American trypanosomiasis) is caused
by
The examination of sputum may be necessary to A. Tiypanosoma brucei
diagnose infection with: B. Trypanosoma cruzi
A. Paragonimus westermani C. Leishmania braziliensis
B. Trichinella spiralis D. Dracunculus medinensis
C. Wuchereria bancrofti
D. Fasciola hepatica Which of the following is the vector for Babesia?
A. Fleas
Examination of 24-hour unpreserved urine specimen is B. Lice
sometimes helpful in the recovery of: C. Ticks
A. Trichomonas vaginalis trophozoites D. Mosquitoes
B. Schistosoma haematobium eggs
C. Enterobius vermicularis eggs Hematuria is a typical sign of human infection
D. Strongyloides stercoralis larvae caused by
A. Trypanosoma cruzi
Gram stain from a gum lesion showed what appeared to B. Trichinella spiralis
be amoebae. A trichrome smear showed amoebae with a C. Trichomonas vaginalis
single nucleus and partially digested PMNs. The D. Schistosoma haematobium
correct identification is:
A. Trichomonas tenax Which of the following nematode parasites is
B. Entamoeba histolytica/E. dispar acquired from eating inadequately cooked, infected
C. Entamoeba gingivalis pork?
D. Entamoeba polecki A. Strongyloides stercoralis
B. Taenia saginata
Parasitic organisms that are most often transmitted C. Taenia solium
sexually include: D. Trichinella spiralis
A. Entamoeba gingivalis
B. Dientamoeba fragilis Which species of Plasmodium can have exoerythrocytic
C. Trichomonas vaginalis stages capable of causing relapses months or years
D. Diphyllobothrium latum after initial infection?
A. P. falciparum
Charcot–Leyden crystals in stool may be associated B. P. ovale
with an immune response and are thought to be formed C. P. malariae
from the breakdown products of: D. P. cynomolgi
