CSMLS practice questions solved 100%
A cyto-centrifugation preparation from a peritoneal fluid demonstrates many large
multinucleated cells with "fried egg" appearance and basophilic cytoplasm. What is the
identification of these cells? - ANSWER-Mesothelial
A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section.
What action can prevent this from occurring?
a. maintain formalin at a neutral pH
b. treat sections with alcoholic picric acid
c. "bread loaf" large sections
d. increase fixation time - ANSWER-a. maintain formalin at a neutral pH
A technologist is overwhelmed for repeatedly having to leave their laboratory work to
assist the phlebotomist. Which of the following actions is appropriate? - ANSWER-
Request a review of work load
After addition of ammonium hydroxide and ammonium oxalate during a decalcification
chemical endpoint test there is no visible precipitate. What does this indicate? -
ANSWER-Decalcification is complete
Express consent - ANSWER--indicates that documents have been signed by the patient
or relative-often done when the patient is being admitted to hospital or prior to the
procedure itself
Gram positive cocci and Gram negative bacilli were seen on a Gram stained smear.
Which of the following media would be most helpful in isolating the Gram positive
organism? A. MacConkey agar. B. Buffered charcoal (yeast extract agar). C. blood
agar. D. phenylethyl alcohol agar - ANSWER-NOT: MacConkey agar
How should a technologist proceed when collecting a blood sample from a patient who
is terminating a pregnancy?
a. collect the patients blood
b. discuss the surgical procedure with the patient
c. refuse to collect from this patient as it violates strongly held beliefs
d. collect the blood sample but avoid eye contact with the patient - ANSWER-a. collect
the patients blood
Reasons for microchatter seen on a hematoxylin and eosin section? - ANSWER-- Over-
dehydration
- Dull blade
- Too much time spent in hot wax
, The microtome is NOT working properly even after lubricating the parts. Where is the
best place to find information regarding the microtome? - ANSWER-Manufacturer's
manual
What action should be taken first when a liter of pleural fluid is spilled on the bench top?
A. evacuate area. B. cover with paper towels. C. pour disinfectant around the spill. D.
don an N95 mask - ANSWER-NOT: cover spill with paper towels
What effect will CD55 and CD59 deficiency have on the red cell membrane? A.
decrease sensitivity to cell lysis by complement. Increased sensitivity to cell lysis by
complement. C. decrease sensitivity to cell lysis after ingestion of fava beans. D.
increase sensitivity to cell lysis after ingestion of fava beans - ANSWER-NOT:
decreased sensitivity to cell lysis by complement
What is the benefit in taking three deep and mindful breaths when dealing with a
stressful situation? - ANSWER-Deep breathing has a positive effect on the nervous
system
What is the first step to take when a mass casualty situation is reported on a holiday at
the technologist's workplace? A. call paramedics for assessment of situation. B. wait for
casualites to arrive in the ER to assess. C. activate the laboratory emergency plan. D.
call canadian blood services to request blood - ANSWER-C. activate the laboratory
emergency plan
What is the most important step in preventing infection?
a. wearing gloves
b. hand washing
c. wearing N95 mask
d. disinfecting surfaces - ANSWER-b. hand washing
What is the proper order for removal of personal protective equipment?
a. gloves, mask, eye protection, gown
b. gown, gloves, eye protection, mask
c. gown, mask, gloves, eye protection
d. gloves, gown, eye protection, mask - ANSWER-d. gloves, gown, eye protection,
mask
What is the sequence of reagents when performing a Gram stain? - ANSWER-Crystal
violet, iodine, decolourizer, safranin
what is the systematic approach to reviewing a task or job to identify hazards?
a. hazard control
b. risk assessment
c. internal audit
d. administrative control - ANSWER-b. risk assessment
A cyto-centrifugation preparation from a peritoneal fluid demonstrates many large
multinucleated cells with "fried egg" appearance and basophilic cytoplasm. What is the
identification of these cells? - ANSWER-Mesothelial
A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section.
What action can prevent this from occurring?
a. maintain formalin at a neutral pH
b. treat sections with alcoholic picric acid
c. "bread loaf" large sections
d. increase fixation time - ANSWER-a. maintain formalin at a neutral pH
A technologist is overwhelmed for repeatedly having to leave their laboratory work to
assist the phlebotomist. Which of the following actions is appropriate? - ANSWER-
Request a review of work load
After addition of ammonium hydroxide and ammonium oxalate during a decalcification
chemical endpoint test there is no visible precipitate. What does this indicate? -
ANSWER-Decalcification is complete
Express consent - ANSWER--indicates that documents have been signed by the patient
or relative-often done when the patient is being admitted to hospital or prior to the
procedure itself
Gram positive cocci and Gram negative bacilli were seen on a Gram stained smear.
Which of the following media would be most helpful in isolating the Gram positive
organism? A. MacConkey agar. B. Buffered charcoal (yeast extract agar). C. blood
agar. D. phenylethyl alcohol agar - ANSWER-NOT: MacConkey agar
How should a technologist proceed when collecting a blood sample from a patient who
is terminating a pregnancy?
a. collect the patients blood
b. discuss the surgical procedure with the patient
c. refuse to collect from this patient as it violates strongly held beliefs
d. collect the blood sample but avoid eye contact with the patient - ANSWER-a. collect
the patients blood
Reasons for microchatter seen on a hematoxylin and eosin section? - ANSWER-- Over-
dehydration
- Dull blade
- Too much time spent in hot wax
, The microtome is NOT working properly even after lubricating the parts. Where is the
best place to find information regarding the microtome? - ANSWER-Manufacturer's
manual
What action should be taken first when a liter of pleural fluid is spilled on the bench top?
A. evacuate area. B. cover with paper towels. C. pour disinfectant around the spill. D.
don an N95 mask - ANSWER-NOT: cover spill with paper towels
What effect will CD55 and CD59 deficiency have on the red cell membrane? A.
decrease sensitivity to cell lysis by complement. Increased sensitivity to cell lysis by
complement. C. decrease sensitivity to cell lysis after ingestion of fava beans. D.
increase sensitivity to cell lysis after ingestion of fava beans - ANSWER-NOT:
decreased sensitivity to cell lysis by complement
What is the benefit in taking three deep and mindful breaths when dealing with a
stressful situation? - ANSWER-Deep breathing has a positive effect on the nervous
system
What is the first step to take when a mass casualty situation is reported on a holiday at
the technologist's workplace? A. call paramedics for assessment of situation. B. wait for
casualites to arrive in the ER to assess. C. activate the laboratory emergency plan. D.
call canadian blood services to request blood - ANSWER-C. activate the laboratory
emergency plan
What is the most important step in preventing infection?
a. wearing gloves
b. hand washing
c. wearing N95 mask
d. disinfecting surfaces - ANSWER-b. hand washing
What is the proper order for removal of personal protective equipment?
a. gloves, mask, eye protection, gown
b. gown, gloves, eye protection, mask
c. gown, mask, gloves, eye protection
d. gloves, gown, eye protection, mask - ANSWER-d. gloves, gown, eye protection,
mask
What is the sequence of reagents when performing a Gram stain? - ANSWER-Crystal
violet, iodine, decolourizer, safranin
what is the systematic approach to reviewing a task or job to identify hazards?
a. hazard control
b. risk assessment
c. internal audit
d. administrative control - ANSWER-b. risk assessment
