VIBS 422 Exam Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: Relevant early menopause chemicals:
Answer:
Pesticides
PCB
Phthalates (DEHP)
Q: As population and plastics production has increased, sperm count has .
Answer:
Decreased
Q: System of ducts in MRS
Answer:
Epididymis
Vas Deferens
Ejaculatory Ducts
Urethra
Q: Accessory sex glands
Answer:
Seminal vescicles
Prostate
Bulbouretheral glands
Q: Ovary 2 relevant functions:
Answer:
Produce eggs (ova)
Synthesize steroid hormones (estrogen and progesterone)
Q: 0 0 All female species have a number of oocytes
Answer:
Set
Q: Major problem with reproductive system is .
,Answer:
Infertility
Q: Primary infertility
Answer:
Never achieved pregnancy=
Never conceived(F)/ never impregnated(M)
Q: Secondary infertility
Answer:
Inability to conceive after a previous pregnancy
Never conceived AGAIN(F)/ never impregnated AGAIN (M)
Q: PCB Uses
Answer:
Fluids, liquids, waxes
PLASTICIZER
Q: PBB Uses
Answer:
Think electronics, solids
PLASTICIZER
Q: Cl affect on PCB toxicity
Answer:
More = more toxic
Position affects toxicity
Q: million kgs of PCBs in environment.
Answer:
4.5
Q: are highly fat soluble
Answer:
PCBs and PBBs
Q: 0 0 tons of PCBs and PBBs present in env.
,Answer:
370k
Q: Environmental fate of PCBs and PBBs
Answer:
Leaks, spills, improper disposal
highly VOLATILE
Q: is far more effective n removing large concentrations of PCBs
Answer:
Dredging
Q: PCB sediment eaters
Answer:
Mysis recta and benthic invertebrates
Q: Bioaccumulation and biomagnification of PCBs and PBBs
Answer:
Increases as trophic level increases
Q: PCBs high in what animal?
Answer:
Orcas
Q: In 1940s and 1950s milk and meat were contaminated by PCBs and PBBs due
to:
Answer:
Contaminated silage of silos
Q: Montana hog slaughter damage incident
Answer:
PCB leakage in 19 US states, Canada, Japan
Q: Hudson River contaminated highly by
Answer:
PCBs
Due to 20yrs of discharge
, Q: Rice bran oil in Japan and Taiwan contaminated with:
Answer:
PCBs
Q: Catfish in contaminted by PCBs
Answer:
Galveston
Q: 0 0 Monsanto lawsuit in San Diego due to contamination?
Answer:
PCB
Q: are major routes of elimination of PBBs
Answer:
Milk and EGGS via animal to animal
Q: The is the primary site of PCB metabolism
Answer:
Liver
eliminated via bile and feces
Q: PCBs are metabolized and excreted
Answer:
slowly
Q: PCBs with more than _ Chlorines and
Answer:
chlorines show the longest half lives - 5; PARA
Q: -PCBs disrupt TH by binding to transthyretin
Answer:
ORTHO
Q: 1534160 170798 FOR PCBS: chlorine = metabolism = found in adipose
tissue
Latest 2026 Update
Q: Relevant early menopause chemicals:
Answer:
Pesticides
PCB
Phthalates (DEHP)
Q: As population and plastics production has increased, sperm count has .
Answer:
Decreased
Q: System of ducts in MRS
Answer:
Epididymis
Vas Deferens
Ejaculatory Ducts
Urethra
Q: Accessory sex glands
Answer:
Seminal vescicles
Prostate
Bulbouretheral glands
Q: Ovary 2 relevant functions:
Answer:
Produce eggs (ova)
Synthesize steroid hormones (estrogen and progesterone)
Q: 0 0 All female species have a number of oocytes
Answer:
Set
Q: Major problem with reproductive system is .
,Answer:
Infertility
Q: Primary infertility
Answer:
Never achieved pregnancy=
Never conceived(F)/ never impregnated(M)
Q: Secondary infertility
Answer:
Inability to conceive after a previous pregnancy
Never conceived AGAIN(F)/ never impregnated AGAIN (M)
Q: PCB Uses
Answer:
Fluids, liquids, waxes
PLASTICIZER
Q: PBB Uses
Answer:
Think electronics, solids
PLASTICIZER
Q: Cl affect on PCB toxicity
Answer:
More = more toxic
Position affects toxicity
Q: million kgs of PCBs in environment.
Answer:
4.5
Q: are highly fat soluble
Answer:
PCBs and PBBs
Q: 0 0 tons of PCBs and PBBs present in env.
,Answer:
370k
Q: Environmental fate of PCBs and PBBs
Answer:
Leaks, spills, improper disposal
highly VOLATILE
Q: is far more effective n removing large concentrations of PCBs
Answer:
Dredging
Q: PCB sediment eaters
Answer:
Mysis recta and benthic invertebrates
Q: Bioaccumulation and biomagnification of PCBs and PBBs
Answer:
Increases as trophic level increases
Q: PCBs high in what animal?
Answer:
Orcas
Q: In 1940s and 1950s milk and meat were contaminated by PCBs and PBBs due
to:
Answer:
Contaminated silage of silos
Q: Montana hog slaughter damage incident
Answer:
PCB leakage in 19 US states, Canada, Japan
Q: Hudson River contaminated highly by
Answer:
PCBs
Due to 20yrs of discharge
, Q: Rice bran oil in Japan and Taiwan contaminated with:
Answer:
PCBs
Q: Catfish in contaminted by PCBs
Answer:
Galveston
Q: 0 0 Monsanto lawsuit in San Diego due to contamination?
Answer:
PCB
Q: are major routes of elimination of PBBs
Answer:
Milk and EGGS via animal to animal
Q: The is the primary site of PCB metabolism
Answer:
Liver
eliminated via bile and feces
Q: PCBs are metabolized and excreted
Answer:
slowly
Q: PCBs with more than _ Chlorines and
Answer:
chlorines show the longest half lives - 5; PARA
Q: -PCBs disrupt TH by binding to transthyretin
Answer:
ORTHO
Q: 1534160 170798 FOR PCBS: chlorine = metabolism = found in adipose
tissue
