toxicological effects on entire organisms

Question 1

Respiratory system effects of otxicants

Answer 1

Damage to gills- impaired oxygen intake

Question 2

Cardiovascular system effects (2) of toxicants

Answer 2

Effects on heart function, blood composition and vessel integrity

Question 3

Example of cardiovascular system effects of toxicants

Answer 3

altered heart rate in crabs when exposed to copper

Question 4

Effects on Osmotic and Ionic regulation of toxicants

Answer 4

disruption in ion uptake and regulation

Question 5

Effects on feeding and nutrition (3) from toxicants

Answer 5

Changes in gut pathology
reduced feeding behavior
disruption in digestion and absorption

Question 6

Example of effects on feeding and nutrition (2)

Answer 6

Titanium dioxide exposed causing gut damage
altered microvilli

Question 7

Reproductive effects (3) from toxicants

Answer 7

Hormonal disruption
long-term effects on embryo quality and subsequent generations

Question 8

Neurological effects (3) from toxicants

Answer 8

CNS injuries
Sensory processing issues
abnormal behaviors

Question 9

Example of Neurological effects from toxicants

Answer 9

Blocked olfactory response in fish due to nano-copper exposure

Question 10

Routes of exposure in Aquatic animals

Answer 10

via water, food or combined routes

Question 11

what can fish do which increases response?

Answer 11

stress-induced drinking increases exposure (uptake of more pollutants = more harm)