COHN-S MAIN EXAMINATION 2026 SET QUESTIONS AND
ANSWERS GRADED A+
✔✔Perinatal Toxicology - Implantation - ✔✔6 -7 days embro death
✔✔Perinatal Toxicology - Ogensis - ✔✔7d - 2 mo birth defects
✔✔Perinatal Toxicology - Embro - ✔✔0 - 3 mo birth defects
✔✔Perinatal Toxicology - Fetal - ✔✔3 -9 mo development behavioral defects, endocrine
and immune cancer
✔✔Perinatal Toxicology - Neonatal Period - ✔✔After birth functional deficits
✔✔Issues Chemicals cause on reproduction - ✔✔Decreased libido and hormonal
Potential toxic sperm
Spontaneous abortion
Altered Sex Ratio in Offspring
Congenital Malformation in Offspring
Neuro-Behavioral disorders in offspring
Childhood cancer in offspring
✔✔Outcomes Chemicals cause on reproduction - ✔✔Infertility
Fecundity in both male and females
Menstrual Disorders
Premature or Low Birth Weight
Spontaneous Abortion
Still-Births
Birth Defects
Contaminated Breast Milk
✔✔Pesticides - ✔✔Both male and female reproductive effects
✔✔Polychlorinated Piphenyls (PCB) - ✔✔Congenital PCB Syndrome - mild neonatal
growth behavioral deficits
✔✔Sterilants and Disinfectants - ✔✔Spontaneous Abortion
✔✔Waste Anesthetic Gases - ✔✔Spontaneous Abortion
✔✔Carcinogens and Mutagens - ✔✔Sperms effects in males, teratogenesis and
cancers in the offspring of exposed females.
, ✔✔Antivirals - ✔✔Spontaneous Abortion, Sperm effects in males, Tertaogenegis in
females
✔✔Anti-neoplastic agents - ✔✔Spontaneous Abortion
✔✔Organic Solvents - ✔✔Spontaneous abortion, moderate high risk of birth defects,
fetal solvent syndrome.
✔✔Heavy Metals - ✔✔Neurological and Behavioral Deficits in infants
✔✔Chemicals and Pregnancy - ✔✔Chemical exposure can adversely affect sperm, egg
or the fetus
Spontaneous abortion and heritable genetic defects
✔✔Work Process Evaluation nine things - ✔✔Work Process - HOW TO
Physical facilities and environment
Chemicals uses in work processes
Understanding health and safety hazards return work chemicals
Understanding jobs and responsibilities of all workers
Knowledge workplace control measures
Knowledge health workers return to work process
Gather previous work process evaluation
Additional new hazards return to work process
✔✔Work Process Evaluation - ✔✔By Process equipment IH is able to anticipate and
prevent work related exposures to hazards conditions
✔✔Hazard Recognition - ✔✔It is so critical that program personnel are well trained:
- hazard anticipation (able to recognize and identify potential)
- recognition (knowledge and understanding of jobs)m
- evaluation
- control
✔✔Hazard Anticipation - ✔✔Implement the process
Analysis the work progress
- hazards
- any worker exposures
✔✔Industrial Hygiene - ✔✔Environmental science studies hazards illnesses and
negative health effects.
"Anticipate, Recognize, Evaluate and Control"
✔✔Toxicity and Age - ✔✔Type of Chemical
Dose
Route
ANSWERS GRADED A+
✔✔Perinatal Toxicology - Implantation - ✔✔6 -7 days embro death
✔✔Perinatal Toxicology - Ogensis - ✔✔7d - 2 mo birth defects
✔✔Perinatal Toxicology - Embro - ✔✔0 - 3 mo birth defects
✔✔Perinatal Toxicology - Fetal - ✔✔3 -9 mo development behavioral defects, endocrine
and immune cancer
✔✔Perinatal Toxicology - Neonatal Period - ✔✔After birth functional deficits
✔✔Issues Chemicals cause on reproduction - ✔✔Decreased libido and hormonal
Potential toxic sperm
Spontaneous abortion
Altered Sex Ratio in Offspring
Congenital Malformation in Offspring
Neuro-Behavioral disorders in offspring
Childhood cancer in offspring
✔✔Outcomes Chemicals cause on reproduction - ✔✔Infertility
Fecundity in both male and females
Menstrual Disorders
Premature or Low Birth Weight
Spontaneous Abortion
Still-Births
Birth Defects
Contaminated Breast Milk
✔✔Pesticides - ✔✔Both male and female reproductive effects
✔✔Polychlorinated Piphenyls (PCB) - ✔✔Congenital PCB Syndrome - mild neonatal
growth behavioral deficits
✔✔Sterilants and Disinfectants - ✔✔Spontaneous Abortion
✔✔Waste Anesthetic Gases - ✔✔Spontaneous Abortion
✔✔Carcinogens and Mutagens - ✔✔Sperms effects in males, teratogenesis and
cancers in the offspring of exposed females.
, ✔✔Antivirals - ✔✔Spontaneous Abortion, Sperm effects in males, Tertaogenegis in
females
✔✔Anti-neoplastic agents - ✔✔Spontaneous Abortion
✔✔Organic Solvents - ✔✔Spontaneous abortion, moderate high risk of birth defects,
fetal solvent syndrome.
✔✔Heavy Metals - ✔✔Neurological and Behavioral Deficits in infants
✔✔Chemicals and Pregnancy - ✔✔Chemical exposure can adversely affect sperm, egg
or the fetus
Spontaneous abortion and heritable genetic defects
✔✔Work Process Evaluation nine things - ✔✔Work Process - HOW TO
Physical facilities and environment
Chemicals uses in work processes
Understanding health and safety hazards return work chemicals
Understanding jobs and responsibilities of all workers
Knowledge workplace control measures
Knowledge health workers return to work process
Gather previous work process evaluation
Additional new hazards return to work process
✔✔Work Process Evaluation - ✔✔By Process equipment IH is able to anticipate and
prevent work related exposures to hazards conditions
✔✔Hazard Recognition - ✔✔It is so critical that program personnel are well trained:
- hazard anticipation (able to recognize and identify potential)
- recognition (knowledge and understanding of jobs)m
- evaluation
- control
✔✔Hazard Anticipation - ✔✔Implement the process
Analysis the work progress
- hazards
- any worker exposures
✔✔Industrial Hygiene - ✔✔Environmental science studies hazards illnesses and
negative health effects.
"Anticipate, Recognize, Evaluate and Control"
✔✔Toxicity and Age - ✔✔Type of Chemical
Dose
Route