AMT Practice Exam 2 Questions and Answers
A 20 year old male presents to the Emergency room with heavy urethral discharge that
had been present for 3 days. He has been sexually active with several partners and has
used no contraceptives. A culture of the discharge grows gram negative diplococci with
adjacent sides that are flattened and is oxidase positive. What is the likely organism?
Select one:
a.
Neisseria gonorrhoeae
b.
Chlamydia trachomatis
c.
Trichomonas vaginalis
d.
Treponema pallidum - ANSWER-A
A 70 year old female with a previous knee injury has joint replacement surgery. The
surgery goes well and she is discharged from the hospital to a rehabilitation facility to
receive post-operative care and physical therapy. One week later the incision becomes
inflamed and begins oozing a discharge. A gram stain of the discharge shows many
white blood cells and gram positive cocci in clusters. The isolate recovered is a cream-
yellow beta-hemolytic colony that is catalase and coagulase positive. What is the likely
organism?
Select one:
a.
Streptococcus pyogenes
b.
Staphylococcus epidermidis
c.
Enterococcus faecalis
d.
Staphylococcus aureus - ANSWER-D
A candle jar will provide what atmospheric condition?
Select one:
a.
3% CO2
b.
Ambient air
c.
5-10% O2
d.
5-10% CO2 - ANSWER-A
A cefinase disk may be used to
Select one:
,a.
determine the isolate's sensitivity to cefinase.
b.
determine if a staphylococcal isolate is methicillin resistant.
c.
test for the presence of cefinase in a bacterial isolate.
d.
test for the presence of beta-lactamase enzyme in a bacterial isolate. - ANSWER-D
A complex of three proteins that bind to the thin filaments of striated cardiac or skeletal
muscle and regulate muscle contraction is
Select one:
a.
Myoglobin.
b.
Homocysteine.
c.
Troponin.
d.
Creatine kinase. - ANSWER-C
A freshly voided urine was yellow and clear. It was placed in the refrigerator until it could
be brought to the lab. When it arrived in the lab, it had a white precipitate. Which of the
following is the most likely explanation for this urine's appearance upon arrival in the
lab?
Select one:
a.
amorphous urates precipitated
b.
amorphous phosphates precipitated
c.
red blood cells precipitated
d.
white blood cells precipitated - ANSWER-B
A means by which quality control between laboratories is maintained.
Select one:
a.
Proficiency testing
b.
Waived testing
c.
Moderately complex tests
d.
Highly complex tests - ANSWER-A
,A microscope should never be left with the
Select one:
a.
oil objective in place.
b.
scanning lens in place.
c.
eyepiece in place.
d.
condenser in place. - ANSWER-A
A patient with an acute HBV infection would be expected to have which set of
serological test results?
Select one:
a.
HBsAg +, total anti-HBc +, IgM anti-HBc +, anti-HBs -
b.
HBsAg -, total anti-HBc -, IgM anti-HBc -, anti-HBs -
c.
HBsAg -, total anti-HBc +, IgM anti-HBc +, anti-HBs -
d.
HBsAg -, total anti-HBc +, IgM anti-HBc -, anti-HBs + - ANSWER-A
A patient with hyperparathyroidism will have which type of kidney stone?
Select one:
a.
Calcium oxalate
b.
Calcium phosphate
c.
Cystine
d.
Uric acid - ANSWER-A
A photoelectric cell scanning device changes position and generates a current just
sufficient to return the coil to its original position; this is called
Select one:
a.
Electromagnetic force compensation.
b.
Gravimetric analysis.
c.
Measurement of mass or weight.
d.
Quantitative analysis. - ANSWER-A
, A pseudogerm tube occurs when
Select one:
a.
the inoculum used to perform the test is too heavy.
b.
alternative substrates are used.
c.
there is a constriction present at the base of the germ tube where it attaches to the
mother cell.
d.
All of the above - ANSWER-C
A quality assessment program is divided into three components. Which component
deals with review of patient results, maintenance of patient records, and maintenance of
all documentation?
Select one:
a.
Pre-examination
b.
Examination
c.
Postexamination
d.
CAP inspection - ANSWER-C
A significant increase in the plasma concentrations of urea and creatinine, in kidney
insufficiency, is known as
Select one:
a.
Azotemia.
b.
Bicarbonate.
c.
Urea.
d.
Urea nitrogen. - ANSWER-A
A spinal fluid from a 2 day old neonate with fever grows moist colonies on blood agar
that are >0.5 mm with a narrow zone of beta hemolysis after 24 hours incubation. The
gram stain reveals a gram positive cocci in chains. The isolate is CAMP test positive
and PYR negative. The most likely identification is
Select one:
a.
Streptococcus pyogenes
b.
Streptococcus agalactiae
A 20 year old male presents to the Emergency room with heavy urethral discharge that
had been present for 3 days. He has been sexually active with several partners and has
used no contraceptives. A culture of the discharge grows gram negative diplococci with
adjacent sides that are flattened and is oxidase positive. What is the likely organism?
Select one:
a.
Neisseria gonorrhoeae
b.
Chlamydia trachomatis
c.
Trichomonas vaginalis
d.
Treponema pallidum - ANSWER-A
A 70 year old female with a previous knee injury has joint replacement surgery. The
surgery goes well and she is discharged from the hospital to a rehabilitation facility to
receive post-operative care and physical therapy. One week later the incision becomes
inflamed and begins oozing a discharge. A gram stain of the discharge shows many
white blood cells and gram positive cocci in clusters. The isolate recovered is a cream-
yellow beta-hemolytic colony that is catalase and coagulase positive. What is the likely
organism?
Select one:
a.
Streptococcus pyogenes
b.
Staphylococcus epidermidis
c.
Enterococcus faecalis
d.
Staphylococcus aureus - ANSWER-D
A candle jar will provide what atmospheric condition?
Select one:
a.
3% CO2
b.
Ambient air
c.
5-10% O2
d.
5-10% CO2 - ANSWER-A
A cefinase disk may be used to
Select one:
,a.
determine the isolate's sensitivity to cefinase.
b.
determine if a staphylococcal isolate is methicillin resistant.
c.
test for the presence of cefinase in a bacterial isolate.
d.
test for the presence of beta-lactamase enzyme in a bacterial isolate. - ANSWER-D
A complex of three proteins that bind to the thin filaments of striated cardiac or skeletal
muscle and regulate muscle contraction is
Select one:
a.
Myoglobin.
b.
Homocysteine.
c.
Troponin.
d.
Creatine kinase. - ANSWER-C
A freshly voided urine was yellow and clear. It was placed in the refrigerator until it could
be brought to the lab. When it arrived in the lab, it had a white precipitate. Which of the
following is the most likely explanation for this urine's appearance upon arrival in the
lab?
Select one:
a.
amorphous urates precipitated
b.
amorphous phosphates precipitated
c.
red blood cells precipitated
d.
white blood cells precipitated - ANSWER-B
A means by which quality control between laboratories is maintained.
Select one:
a.
Proficiency testing
b.
Waived testing
c.
Moderately complex tests
d.
Highly complex tests - ANSWER-A
,A microscope should never be left with the
Select one:
a.
oil objective in place.
b.
scanning lens in place.
c.
eyepiece in place.
d.
condenser in place. - ANSWER-A
A patient with an acute HBV infection would be expected to have which set of
serological test results?
Select one:
a.
HBsAg +, total anti-HBc +, IgM anti-HBc +, anti-HBs -
b.
HBsAg -, total anti-HBc -, IgM anti-HBc -, anti-HBs -
c.
HBsAg -, total anti-HBc +, IgM anti-HBc +, anti-HBs -
d.
HBsAg -, total anti-HBc +, IgM anti-HBc -, anti-HBs + - ANSWER-A
A patient with hyperparathyroidism will have which type of kidney stone?
Select one:
a.
Calcium oxalate
b.
Calcium phosphate
c.
Cystine
d.
Uric acid - ANSWER-A
A photoelectric cell scanning device changes position and generates a current just
sufficient to return the coil to its original position; this is called
Select one:
a.
Electromagnetic force compensation.
b.
Gravimetric analysis.
c.
Measurement of mass or weight.
d.
Quantitative analysis. - ANSWER-A
, A pseudogerm tube occurs when
Select one:
a.
the inoculum used to perform the test is too heavy.
b.
alternative substrates are used.
c.
there is a constriction present at the base of the germ tube where it attaches to the
mother cell.
d.
All of the above - ANSWER-C
A quality assessment program is divided into three components. Which component
deals with review of patient results, maintenance of patient records, and maintenance of
all documentation?
Select one:
a.
Pre-examination
b.
Examination
c.
Postexamination
d.
CAP inspection - ANSWER-C
A significant increase in the plasma concentrations of urea and creatinine, in kidney
insufficiency, is known as
Select one:
a.
Azotemia.
b.
Bicarbonate.
c.
Urea.
d.
Urea nitrogen. - ANSWER-A
A spinal fluid from a 2 day old neonate with fever grows moist colonies on blood agar
that are >0.5 mm with a narrow zone of beta hemolysis after 24 hours incubation. The
gram stain reveals a gram positive cocci in chains. The isolate is CAMP test positive
and PYR negative. The most likely identification is
Select one:
a.
Streptococcus pyogenes
b.
Streptococcus agalactiae
