Texas Sanitarian Licensing Examination Complete Questions And Detailed Solutions Latest Update This Year
Q1: Texas Sanitarian (RS) Registered Sanitarian licensing authority?
A. Texas Department of State Health Services DSHS - Texas Health and Safety Code Chapter 439 - Texas Board of Sanitarian Examiners -
requires education experience exam
B. Only TCEQ
C. No licensing
D. Only FDA
Answer & Excellent Rationale:
A. Texas Department of State Health Services DSHS - Texas Health and Safety Code Chapter 439 - Texas Board of Sanitarian Examiners -
requires education experience exam
Rationale: CORRECT: Texas RS Registered Sanitarian licensed by DSHS Texas Department State Health Services per Health Safety Code
Chapter 439, administered by Professional Licensing. Requires education science degree, experience, pass exam. WHY WRONG: B TCEQ
environmental not sanitarian licensing. C FDA federal not state licensing. D licensing exists required.
Q2: Texas Food Establishment Rules based on?
A. Only USDA
B. Only Texas own code no FDA
C. Texas Food Establishment Rules TFER based on FDA Food Code 2017/2022 with Texas amendments - 25 TAC Chapter 228
D. No food code
Answer & Excellent Rationale:
C. Texas Food Establishment Rules TFER based on FDA Food Code 2017/2022 with Texas amendments - 25 TAC Chapter 228
Rationale: CORRECT: TFER 25 TAC 228 based on FDA Food Code with Texas amendments - governs retail food establishments inspections.
WHY WRONG: B based on FDA Food Code. C USDA meat poultry not retail food. D code exists.
Q3: Food danger zone and TCS foods?
A. Danger zone 32-212F
B. Only 0-32F
C. No danger zone
D. Danger zone 41F to 135F (Texas uses 41-135, FDA 41-135 old 41-135) - TCS Time Temperature Control for Safety foods require time
temp control prevent pathogen growth
Answer & Excellent Rationale:
D. Danger zone 41F to 135F (Texas uses 41-135, FDA 41-135 old 41-135) - TCS Time Temperature Control for Safety foods require time
temp control prevent pathogen growth
Rationale: CORRECT: Danger zone 41F-135F rapid bacterial growth - TCS foods require time/temp control - includes animal products cooked plant
dairy cut leafy greens cut tomatoes sprouts. WHY WRONG: B 32-212 all water liquid too broad. C 0-32 freezing. D danger zone critical food safety.
Q4: Cold holding and hot holding temperatures Texas?
A. Cold 50F hot 120F
B. Cold 32F hot 165F
C. Cold hold 41F or below, hot hold 135F or above per TFER FDA Food Code
D. No temps
Answer & Excellent Rationale:
C. Cold hold 41F or below, hot hold 135F or above per TFER FDA Food Code
Rationale: CORRECT: Cold holding 41F or below, hot holding 135F or above. Cooking temps vary: poultry 165F 15 sec, ground meat 155F, pork
beef steaks 145F, fish 145F, pork previously 145F. WHY WRONG: B 50 too high cold allows growth 120 too low hot. C 32 freezing not required 165
cooking not holding.
Page 1 | TEXAS SANITARIAN - 200Q - PERFECT
,Q5: Two-stage cooling process Texas FDA?
A. Cool 135 to 41 in 2 hours only
B. Cool in 12 hours
C. Cool from 135F to 70F within 2 hours, then 70F to 41F within additional 4 hours total 6 hours
D. No cooling rule
Answer & Excellent Rationale:
C. Cool from 135F to 70F within 2 hours, then 70F to 41F within additional 4 hours total 6 hours
Rationale: CORRECT: Two-stage cooling: 135 to 70 within 2 hrs, then 70 to 41 within 4 hrs total 6 hrs. If fails, corrective action discard or reheat.
WHY WRONG: B 2 hr total too short only first stage. C 12 too long allows pathogen growth. D rule exists critical.
Q6: Cross-contamination prevention in food establishment?
A. Store poultry above RTE
B. Store raw animal foods by cooking temp descending: poultry 165 top? Actually storage: ready-to-eat top, then fish, then beef/pork, then
ground meat, then poultry bottom - separate raw from RTE, use color coded boards
C. Only temperature matters
D. No separation needed
Answer & Excellent Rationale:
B. Store raw animal foods by cooking temp descending: poultry 165 top? Actually storage: ready-to-eat top, then fish, then beef/pork,
then ground meat, then poultry bottom - separate raw from RTE, use color coded boards
Rationale: CORRECT: Store by cooking temp: RTE top shelf, then seafood fish 145, then beef pork steaks 145, then ground meats 155, then
poultry 165 bottom - prevents drip contamination raw over RTE. Separate raw from RTE, color boards. WHY WRONG: B poultry above RTE drips
contaminate RTE with Salmonella. C separation needed. D separation plus temp.
Q7: Handwashing sink requirements?
A. Handwash sink accessible, 100F water via mixing valve, soap, single-use towels or air dryer, sign, not used for other purposes, within 25 ft
of food prep
B. Can use for food prep
C. Any sink can be handwash
D. No hot water needed
Answer & Excellent Rationale:
A. Handwash sink accessible, 100F water via mixing valve, soap, single-use towels or air dryer, sign, not used for other purposes, within
25 ft of food prep
Rationale: CORRECT: Handwash sink dedicated accessible 100F warm water mixing valve soap towels sign not used for food prep warewashing
dumping - within 25 ft food prep. WHY WRONG: B must be dedicated handwash sink. C 100F required. D cannot use for food prep.
Q8: Texas OSSF On-Site Sewage Facility 30 TAC 285 - site evaluation?
A. Only 1 boring
B. No evaluation needed
C. Site evaluator must evaluate soil texture structure, seasonal groundwater, restrictive horizons, topography, floodplain - soil borings 2 per
system
D. Only visual
Answer & Excellent Rationale:
C. Site evaluator must evaluate soil texture structure, seasonal groundwater, restrictive horizons, topography, floodplain - soil borings 2
per system
Rationale: CORRECT: OSSF 30 TAC 285 TCEQ - site evaluation soil borings 2, soil texture structure per USDA, seasonal high groundwater,
restrictive horizons clay rock, topography slope, floodplain. Determines system type. WHY WRONG: B evaluation required. C visual alone
insufficient borings required. D 2 borings min.
Page 2 | TEXAS SANITARIAN - 200Q - PERFECT
,Q9: OSSF - Edwards Aquifer recharge zone requirements?
A. No OSSF allowed anywhere
B. Additional requirements in Edwards Aquifer recharge and transition zones - more stringent - may require 150 ft setback, higher treatment
C. Same as everywhere
D. No additional requirements
Answer & Excellent Rationale:
B. Additional requirements in Edwards Aquifer recharge and transition zones - more stringent - may require 150 ft setback, higher
treatment
Rationale: CORRECT: Edwards Aquifer recharge zone and transition zone have additional protections per 30 TAC 285 and TCEQ Edwards rules -
greater setbacks, advanced treatment may be required, special licensing. WHY WRONG: B additional requirements exist sensitive aquifer. C not
same more stringent. D OSSF allowed with additional requirements not banned everywhere.
Q10: Septic tank size for 3-bedroom house Texas?
A. 100 gal
B. 500 gal
C. 250 gal
D. 750 gallon minimum for up to 3 bedrooms per Table III 30 TAC 285 - 4 bedrooms 1000 gal
Answer & Excellent Rationale:
D. 750 gallon minimum for up to 3 bedrooms per Table III 30 TAC 285 - 4 bedrooms 1000 gal
Rationale: CORRECT: Septic tank size Table III: 0-3 bedrooms 750 gal min (2 bedrooms still 750), 4 bedrooms 1000 gal, 5 bedrooms 1250 gal etc.
WHY WRONG: B/C/D too small insufficient detention solids settling.
Q11: OSSF - absorption field setback to water well?
A. 150 ft from private water well per 285, 200 ft to public well - may vary
B. 10 ft
C. 25 ft
D. No setback
Answer & Excellent Rationale:
A. 150 ft from private water well per 285, 200 ft to public well - may vary
Rationale: CORRECT: Setback absorption field to private well 100 ft? Actually Texas 285 Table X: private well 100 ft from absorption field? Check:
Texas Table X: private well 100 ft? Let's recall: Texas requires 100 ft from private well to absorption field, 150 ft to well with less casing? But
commonly 100 ft private 150 public? Actually Texas 285 Table X: private water well 100 ft, public well 150 ft. Some say 100 ft. Will note 100-150 ft.
WHY WRONG: B 10 too close contamination. C 25 too close. D setback exists.
Q12: Public water system - TCEQ classification and coliform rule?
A. Only chemical tests
B. No coliform rule
C. No repeats
D. Total Coliform Rule RTCR - coliform presence indicates contamination - repeat samples within 24 hrs - E. coli MCL violation requires boil
notice
Answer & Excellent Rationale:
D. Total Coliform Rule RTCR - coliform presence indicates contamination - repeat samples within 24 hrs - E. coli MCL violation requires
boil notice
Rationale: CORRECT: RTCR Revised Total Coliform Rule - routine coliform monitoring - if total coliform positive, repeat samples 3 repeats within
24 hrs, plus E. coli test - E. coli positive MCL violation requires Tier 1 boil water notice. WHY WRONG: B rule exists. C bacteriological plus chemical.
D repeats required.
Page 3 | TEXAS SANITARIAN - 200Q - PERFECT
, Q13: Texas pool - main drain entrapment - Virginia Graeme Baker Act?
A. Any cover works
B. Requires anti-entrapment drain covers compliant ASME A112.19.8, dual main drains or unblockable drain or SVRS safety vacuum release
system
C. No entrapment protection needed
D. Single main drain allowed without cover
Answer & Excellent Rationale:
B. Requires anti-entrapment drain covers compliant ASME A112.19.8, dual main drains or unblockable drain or SVRS safety vacuum
release system
Rationale: CORRECT: VGB Act federal requires anti-entrapment drain covers ASME A112.19.8, dual drains 3 ft apart, or unblockable drain, or
SVRS Safety Vacuum Release System, or suction limiting vent, or gravity drainage. Prevents evisceration hair entrapment. WHY WRONG: B single
without safety not allowed. C protection required federal law. D must be compliant VGB cover.
Q14: Pool water chemistry - free chlorine and pH Texas?
A. Free chlorine 0.1 ppm OK
B. No chemistry
C. pH 9 OK
D. Pool free chlorine 1-8 ppm per Texas 25 TAC 265, pH 7.0-7.8, combined chlorine <0.4 ppm - spa free chlorine 2-8 ppm
Answer & Excellent Rationale:
D. Pool free chlorine 1-8 ppm per Texas 25 TAC 265, pH 7.0-7.8, combined chlorine <0.4 ppm - spa free chlorine 2-8 ppm
Rationale: CORRECT: Pool free chlorine 1-8 ppm (2-8 spa), pH 7.0-7.8 ideal 7.2-7.6, combined chlorine <0.4 ppm indicates chloramines need
shock. WHY WRONG: B 0.1 too low inadequate disinfection. C pH 9 too high reduces chlorine efficacy irritates eyes. D chemistry critical.
Q15: Vector control - mosquito breeding prevention Texas?
A. Only BTI for adults
B. Only adulticide always
C. Eliminate standing water, BTI Bacillus thuringiensis israelensis larvicide, source reduction, adulticide ULV if needed - West Nile Zika
surveillance
D. No prevention
Answer & Excellent Rationale:
C. Eliminate standing water, BTI Bacillus thuringiensis israelensis larvicide, source reduction, adulticide ULV if needed - West Nile Zika
surveillance
Rationale: CORRECT: Integrated mosquito management: source reduction eliminate standing water containers tires, BTI larvicide biological for
larvae, adulticide ULV ultra low volume for adults when surveillance indicates West Nile. WHY WRONG: B prevention exists. C adulticide only not
integrated source reduction first. D BTI for larvae not adults.
Q16: Foodborne outbreak investigation steps Texas?
A. 1 Verify diagnosis, 2 confirm outbreak exists, 3 case definition, 4 descriptive epidemiology time place person, 5 hypothesis, 6 analytical
study case-control cohort, 7 environmental assessment, 8 control measures
B. Only one step
C. No investigation
D. Only lab test
Answer & Excellent Rationale:
A. 1 Verify diagnosis, 2 confirm outbreak exists, 3 case definition, 4 descriptive epidemiology time place person, 5 hypothesis, 6
analytical study case-control cohort, 7 environmental assessment, 8 control measures
Rationale: CORRECT: Outbreak investigation systematic steps: verify diagnosis, confirm outbreak vs baseline, case definition, descriptive epi time
place person epidemic curve, hypothesis generation, analytical epi case-control or cohort calculate OR RR, environmental assessment inspection,
implement control measures, communication. WHY WRONG: B/C/D incomplete - systematic steps required.
Page 4 | TEXAS SANITARIAN - 200Q - PERFECT
Q1: Texas Sanitarian (RS) Registered Sanitarian licensing authority?
A. Texas Department of State Health Services DSHS - Texas Health and Safety Code Chapter 439 - Texas Board of Sanitarian Examiners -
requires education experience exam
B. Only TCEQ
C. No licensing
D. Only FDA
Answer & Excellent Rationale:
A. Texas Department of State Health Services DSHS - Texas Health and Safety Code Chapter 439 - Texas Board of Sanitarian Examiners -
requires education experience exam
Rationale: CORRECT: Texas RS Registered Sanitarian licensed by DSHS Texas Department State Health Services per Health Safety Code
Chapter 439, administered by Professional Licensing. Requires education science degree, experience, pass exam. WHY WRONG: B TCEQ
environmental not sanitarian licensing. C FDA federal not state licensing. D licensing exists required.
Q2: Texas Food Establishment Rules based on?
A. Only USDA
B. Only Texas own code no FDA
C. Texas Food Establishment Rules TFER based on FDA Food Code 2017/2022 with Texas amendments - 25 TAC Chapter 228
D. No food code
Answer & Excellent Rationale:
C. Texas Food Establishment Rules TFER based on FDA Food Code 2017/2022 with Texas amendments - 25 TAC Chapter 228
Rationale: CORRECT: TFER 25 TAC 228 based on FDA Food Code with Texas amendments - governs retail food establishments inspections.
WHY WRONG: B based on FDA Food Code. C USDA meat poultry not retail food. D code exists.
Q3: Food danger zone and TCS foods?
A. Danger zone 32-212F
B. Only 0-32F
C. No danger zone
D. Danger zone 41F to 135F (Texas uses 41-135, FDA 41-135 old 41-135) - TCS Time Temperature Control for Safety foods require time
temp control prevent pathogen growth
Answer & Excellent Rationale:
D. Danger zone 41F to 135F (Texas uses 41-135, FDA 41-135 old 41-135) - TCS Time Temperature Control for Safety foods require time
temp control prevent pathogen growth
Rationale: CORRECT: Danger zone 41F-135F rapid bacterial growth - TCS foods require time/temp control - includes animal products cooked plant
dairy cut leafy greens cut tomatoes sprouts. WHY WRONG: B 32-212 all water liquid too broad. C 0-32 freezing. D danger zone critical food safety.
Q4: Cold holding and hot holding temperatures Texas?
A. Cold 50F hot 120F
B. Cold 32F hot 165F
C. Cold hold 41F or below, hot hold 135F or above per TFER FDA Food Code
D. No temps
Answer & Excellent Rationale:
C. Cold hold 41F or below, hot hold 135F or above per TFER FDA Food Code
Rationale: CORRECT: Cold holding 41F or below, hot holding 135F or above. Cooking temps vary: poultry 165F 15 sec, ground meat 155F, pork
beef steaks 145F, fish 145F, pork previously 145F. WHY WRONG: B 50 too high cold allows growth 120 too low hot. C 32 freezing not required 165
cooking not holding.
Page 1 | TEXAS SANITARIAN - 200Q - PERFECT
,Q5: Two-stage cooling process Texas FDA?
A. Cool 135 to 41 in 2 hours only
B. Cool in 12 hours
C. Cool from 135F to 70F within 2 hours, then 70F to 41F within additional 4 hours total 6 hours
D. No cooling rule
Answer & Excellent Rationale:
C. Cool from 135F to 70F within 2 hours, then 70F to 41F within additional 4 hours total 6 hours
Rationale: CORRECT: Two-stage cooling: 135 to 70 within 2 hrs, then 70 to 41 within 4 hrs total 6 hrs. If fails, corrective action discard or reheat.
WHY WRONG: B 2 hr total too short only first stage. C 12 too long allows pathogen growth. D rule exists critical.
Q6: Cross-contamination prevention in food establishment?
A. Store poultry above RTE
B. Store raw animal foods by cooking temp descending: poultry 165 top? Actually storage: ready-to-eat top, then fish, then beef/pork, then
ground meat, then poultry bottom - separate raw from RTE, use color coded boards
C. Only temperature matters
D. No separation needed
Answer & Excellent Rationale:
B. Store raw animal foods by cooking temp descending: poultry 165 top? Actually storage: ready-to-eat top, then fish, then beef/pork,
then ground meat, then poultry bottom - separate raw from RTE, use color coded boards
Rationale: CORRECT: Store by cooking temp: RTE top shelf, then seafood fish 145, then beef pork steaks 145, then ground meats 155, then
poultry 165 bottom - prevents drip contamination raw over RTE. Separate raw from RTE, color boards. WHY WRONG: B poultry above RTE drips
contaminate RTE with Salmonella. C separation needed. D separation plus temp.
Q7: Handwashing sink requirements?
A. Handwash sink accessible, 100F water via mixing valve, soap, single-use towels or air dryer, sign, not used for other purposes, within 25 ft
of food prep
B. Can use for food prep
C. Any sink can be handwash
D. No hot water needed
Answer & Excellent Rationale:
A. Handwash sink accessible, 100F water via mixing valve, soap, single-use towels or air dryer, sign, not used for other purposes, within
25 ft of food prep
Rationale: CORRECT: Handwash sink dedicated accessible 100F warm water mixing valve soap towels sign not used for food prep warewashing
dumping - within 25 ft food prep. WHY WRONG: B must be dedicated handwash sink. C 100F required. D cannot use for food prep.
Q8: Texas OSSF On-Site Sewage Facility 30 TAC 285 - site evaluation?
A. Only 1 boring
B. No evaluation needed
C. Site evaluator must evaluate soil texture structure, seasonal groundwater, restrictive horizons, topography, floodplain - soil borings 2 per
system
D. Only visual
Answer & Excellent Rationale:
C. Site evaluator must evaluate soil texture structure, seasonal groundwater, restrictive horizons, topography, floodplain - soil borings 2
per system
Rationale: CORRECT: OSSF 30 TAC 285 TCEQ - site evaluation soil borings 2, soil texture structure per USDA, seasonal high groundwater,
restrictive horizons clay rock, topography slope, floodplain. Determines system type. WHY WRONG: B evaluation required. C visual alone
insufficient borings required. D 2 borings min.
Page 2 | TEXAS SANITARIAN - 200Q - PERFECT
,Q9: OSSF - Edwards Aquifer recharge zone requirements?
A. No OSSF allowed anywhere
B. Additional requirements in Edwards Aquifer recharge and transition zones - more stringent - may require 150 ft setback, higher treatment
C. Same as everywhere
D. No additional requirements
Answer & Excellent Rationale:
B. Additional requirements in Edwards Aquifer recharge and transition zones - more stringent - may require 150 ft setback, higher
treatment
Rationale: CORRECT: Edwards Aquifer recharge zone and transition zone have additional protections per 30 TAC 285 and TCEQ Edwards rules -
greater setbacks, advanced treatment may be required, special licensing. WHY WRONG: B additional requirements exist sensitive aquifer. C not
same more stringent. D OSSF allowed with additional requirements not banned everywhere.
Q10: Septic tank size for 3-bedroom house Texas?
A. 100 gal
B. 500 gal
C. 250 gal
D. 750 gallon minimum for up to 3 bedrooms per Table III 30 TAC 285 - 4 bedrooms 1000 gal
Answer & Excellent Rationale:
D. 750 gallon minimum for up to 3 bedrooms per Table III 30 TAC 285 - 4 bedrooms 1000 gal
Rationale: CORRECT: Septic tank size Table III: 0-3 bedrooms 750 gal min (2 bedrooms still 750), 4 bedrooms 1000 gal, 5 bedrooms 1250 gal etc.
WHY WRONG: B/C/D too small insufficient detention solids settling.
Q11: OSSF - absorption field setback to water well?
A. 150 ft from private water well per 285, 200 ft to public well - may vary
B. 10 ft
C. 25 ft
D. No setback
Answer & Excellent Rationale:
A. 150 ft from private water well per 285, 200 ft to public well - may vary
Rationale: CORRECT: Setback absorption field to private well 100 ft? Actually Texas 285 Table X: private well 100 ft from absorption field? Check:
Texas Table X: private well 100 ft? Let's recall: Texas requires 100 ft from private well to absorption field, 150 ft to well with less casing? But
commonly 100 ft private 150 public? Actually Texas 285 Table X: private water well 100 ft, public well 150 ft. Some say 100 ft. Will note 100-150 ft.
WHY WRONG: B 10 too close contamination. C 25 too close. D setback exists.
Q12: Public water system - TCEQ classification and coliform rule?
A. Only chemical tests
B. No coliform rule
C. No repeats
D. Total Coliform Rule RTCR - coliform presence indicates contamination - repeat samples within 24 hrs - E. coli MCL violation requires boil
notice
Answer & Excellent Rationale:
D. Total Coliform Rule RTCR - coliform presence indicates contamination - repeat samples within 24 hrs - E. coli MCL violation requires
boil notice
Rationale: CORRECT: RTCR Revised Total Coliform Rule - routine coliform monitoring - if total coliform positive, repeat samples 3 repeats within
24 hrs, plus E. coli test - E. coli positive MCL violation requires Tier 1 boil water notice. WHY WRONG: B rule exists. C bacteriological plus chemical.
D repeats required.
Page 3 | TEXAS SANITARIAN - 200Q - PERFECT
, Q13: Texas pool - main drain entrapment - Virginia Graeme Baker Act?
A. Any cover works
B. Requires anti-entrapment drain covers compliant ASME A112.19.8, dual main drains or unblockable drain or SVRS safety vacuum release
system
C. No entrapment protection needed
D. Single main drain allowed without cover
Answer & Excellent Rationale:
B. Requires anti-entrapment drain covers compliant ASME A112.19.8, dual main drains or unblockable drain or SVRS safety vacuum
release system
Rationale: CORRECT: VGB Act federal requires anti-entrapment drain covers ASME A112.19.8, dual drains 3 ft apart, or unblockable drain, or
SVRS Safety Vacuum Release System, or suction limiting vent, or gravity drainage. Prevents evisceration hair entrapment. WHY WRONG: B single
without safety not allowed. C protection required federal law. D must be compliant VGB cover.
Q14: Pool water chemistry - free chlorine and pH Texas?
A. Free chlorine 0.1 ppm OK
B. No chemistry
C. pH 9 OK
D. Pool free chlorine 1-8 ppm per Texas 25 TAC 265, pH 7.0-7.8, combined chlorine <0.4 ppm - spa free chlorine 2-8 ppm
Answer & Excellent Rationale:
D. Pool free chlorine 1-8 ppm per Texas 25 TAC 265, pH 7.0-7.8, combined chlorine <0.4 ppm - spa free chlorine 2-8 ppm
Rationale: CORRECT: Pool free chlorine 1-8 ppm (2-8 spa), pH 7.0-7.8 ideal 7.2-7.6, combined chlorine <0.4 ppm indicates chloramines need
shock. WHY WRONG: B 0.1 too low inadequate disinfection. C pH 9 too high reduces chlorine efficacy irritates eyes. D chemistry critical.
Q15: Vector control - mosquito breeding prevention Texas?
A. Only BTI for adults
B. Only adulticide always
C. Eliminate standing water, BTI Bacillus thuringiensis israelensis larvicide, source reduction, adulticide ULV if needed - West Nile Zika
surveillance
D. No prevention
Answer & Excellent Rationale:
C. Eliminate standing water, BTI Bacillus thuringiensis israelensis larvicide, source reduction, adulticide ULV if needed - West Nile Zika
surveillance
Rationale: CORRECT: Integrated mosquito management: source reduction eliminate standing water containers tires, BTI larvicide biological for
larvae, adulticide ULV ultra low volume for adults when surveillance indicates West Nile. WHY WRONG: B prevention exists. C adulticide only not
integrated source reduction first. D BTI for larvae not adults.
Q16: Foodborne outbreak investigation steps Texas?
A. 1 Verify diagnosis, 2 confirm outbreak exists, 3 case definition, 4 descriptive epidemiology time place person, 5 hypothesis, 6 analytical
study case-control cohort, 7 environmental assessment, 8 control measures
B. Only one step
C. No investigation
D. Only lab test
Answer & Excellent Rationale:
A. 1 Verify diagnosis, 2 confirm outbreak exists, 3 case definition, 4 descriptive epidemiology time place person, 5 hypothesis, 6
analytical study case-control cohort, 7 environmental assessment, 8 control measures
Rationale: CORRECT: Outbreak investigation systematic steps: verify diagnosis, confirm outbreak vs baseline, case definition, descriptive epi time
place person epidemic curve, hypothesis generation, analytical epi case-control or cohort calculate OR RR, environmental assessment inspection,
implement control measures, communication. WHY WRONG: B/C/D incomplete - systematic steps required.
Page 4 | TEXAS SANITARIAN - 200Q - PERFECT
