CHT EXAM PREP VERIFIED TEST PAPER
QUESTIONS AND SOLUTIONS COMPLETE
STUDY GUIDE
◉ What are the DR53 associations? ---DRB4
Answer: DR4 DR7 DR9
◉ Which of the following statements about shipping blood for HLA
typing (as of 2020) is false?
a. Shipping is regulated by the DOT and IATA
b. Specimens must be packed in a 3-container system
c. There must be sufficient absorbent material to soak up a spill
d. Blood specimens known to carry pathogens are packaged the
same as routine diagnostic specimens
Answer: D. Blood specimens known to carry pathogens are
packaged the same as routine diagnostic specimens
◉ Which of the following procedures is not part of universal
precautions when performing a blood draw?
a. Wear a lab coat or gown
,b. Change gloves between each patient
c. Do not recap, break or resheath needles
d. Use a sharps container for disposal of all needles e. Inform the
patient of your HIV status
Answer: E. Inform the patient of your HIV status
◉ Liquid nitrogen presents what danger(s) to personnel?
a. Toxicity, suffocation
b. Frost bite, suffocation
c. Flammability, toxicity
d. Toxicity, frost bite
e. Flammability, frost bite
Answer: B. Frost bite, suffocation
◉ A chemical has an NFPA rating as indicated below. What is an
accurate statement of its hazards?
a. High health hazard, low reactivity and flammability b. High
reactivity and flammability, low radioactivity c. Explosive but
otherwise innocuous
d. Unstable at low temperatures, some gamma ray emissions
,e. Low health hazard but high flammability and reactivity
Answer: A. High health hazard, low reactivity and flammability
◉ What is a fire assembly area?
a. Where all the firefighting equipment is stored
b. Where the firefighters gather to enter the building c. A
predetermined safe place to meet during a fire d. The location of the
main controls for electrical panels
e. The location where a fire started
Answer: C. A predetermined safe place to meet during a fire
◉ A chemical has an OSHA GHS hazard pictogram as indicated
below. What type of hazard is being shown?
a. Corrosive
b. Skin irritant
c. Gas under pressure
d. Carcinogen
e. None of the above
Answer: D. Carcinogen
, ◉ Reagent X arrives in the lab without an expiration date. What
action should you take?
a. Develop a written policy that states, "Chemicals with unlisted
expiration dates are good for 7 years" b. Buy two bottles of the
chemical. Store one, as recommended, at 4°C and the other at RT.
When the RT one goes bad you know the 4°C is also bad
c. Use the chemical until routine clinical assays show obvious
degradation
d. Periodically QC the reagent and develop a QA analysis of its
performance to derive an appropriate expiration date
e. Read the ASHI manual and find published expiration guidelines
Answer: D. Periodically QC the reagent and develop a QA analysis of
its performance to derive an appropriate expiration date
◉ You have finished doing an HLA typing and antibody screen on a
potential kidney recipient, but the pt decides they don't want to be
listed for transplant. What should you do with the reports and other
patient records you have, some of which are online in the
laboratory's information system and some of which are on paper?
a. Delete them from the LIS and destroy all paper records, including
sample requisitions, using whichever method is fastest and most
secure.
QUESTIONS AND SOLUTIONS COMPLETE
STUDY GUIDE
◉ What are the DR53 associations? ---DRB4
Answer: DR4 DR7 DR9
◉ Which of the following statements about shipping blood for HLA
typing (as of 2020) is false?
a. Shipping is regulated by the DOT and IATA
b. Specimens must be packed in a 3-container system
c. There must be sufficient absorbent material to soak up a spill
d. Blood specimens known to carry pathogens are packaged the
same as routine diagnostic specimens
Answer: D. Blood specimens known to carry pathogens are
packaged the same as routine diagnostic specimens
◉ Which of the following procedures is not part of universal
precautions when performing a blood draw?
a. Wear a lab coat or gown
,b. Change gloves between each patient
c. Do not recap, break or resheath needles
d. Use a sharps container for disposal of all needles e. Inform the
patient of your HIV status
Answer: E. Inform the patient of your HIV status
◉ Liquid nitrogen presents what danger(s) to personnel?
a. Toxicity, suffocation
b. Frost bite, suffocation
c. Flammability, toxicity
d. Toxicity, frost bite
e. Flammability, frost bite
Answer: B. Frost bite, suffocation
◉ A chemical has an NFPA rating as indicated below. What is an
accurate statement of its hazards?
a. High health hazard, low reactivity and flammability b. High
reactivity and flammability, low radioactivity c. Explosive but
otherwise innocuous
d. Unstable at low temperatures, some gamma ray emissions
,e. Low health hazard but high flammability and reactivity
Answer: A. High health hazard, low reactivity and flammability
◉ What is a fire assembly area?
a. Where all the firefighting equipment is stored
b. Where the firefighters gather to enter the building c. A
predetermined safe place to meet during a fire d. The location of the
main controls for electrical panels
e. The location where a fire started
Answer: C. A predetermined safe place to meet during a fire
◉ A chemical has an OSHA GHS hazard pictogram as indicated
below. What type of hazard is being shown?
a. Corrosive
b. Skin irritant
c. Gas under pressure
d. Carcinogen
e. None of the above
Answer: D. Carcinogen
, ◉ Reagent X arrives in the lab without an expiration date. What
action should you take?
a. Develop a written policy that states, "Chemicals with unlisted
expiration dates are good for 7 years" b. Buy two bottles of the
chemical. Store one, as recommended, at 4°C and the other at RT.
When the RT one goes bad you know the 4°C is also bad
c. Use the chemical until routine clinical assays show obvious
degradation
d. Periodically QC the reagent and develop a QA analysis of its
performance to derive an appropriate expiration date
e. Read the ASHI manual and find published expiration guidelines
Answer: D. Periodically QC the reagent and develop a QA analysis of
its performance to derive an appropriate expiration date
◉ You have finished doing an HLA typing and antibody screen on a
potential kidney recipient, but the pt decides they don't want to be
listed for transplant. What should you do with the reports and other
patient records you have, some of which are online in the
laboratory's information system and some of which are on paper?
a. Delete them from the LIS and destroy all paper records, including
sample requisitions, using whichever method is fastest and most
secure.
