NAVLE TOXICOLOGY EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
D. Cardiovascular system - ANS What organ system does Foxglove mostly affect?
a. Nervous system
b. Respiratory system
c. Reproductive system
d. Cardiovascular system
b. Oleander - ANS Which of the following is a cardiac glycoside?
a. Poison Hemlock
b. Oleander
c. Sago Palm
d. Red maple
a. Lupine
(the rest are pyrrolizidine alkaloids) - ANS Which of the following is a quinolizidine alkaloid?
a. Lupine
b. Water Hemlock
c. Senecio
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, d. Lantana
Pyrrolizidine Alkaloid - ANS A farmer is experiencing death of his cows. On necropsy, you are
seeing mainly liver damage and decide to do an impression smear. On cytology, you see hepatic
fibrosis, megalocytosis, and biliary hyperplasia. You know this to be characteristic for _____
toxicity.
Poison Hemlock - ANS This pyrrrolizidine alkaloid is known to have a musty, mouse urine
smell.
Renal failure - ANS Grapes and raisins causes _____ in dogs.
Lilies - ANS This flower is nephrotoxic and only affects cats.
Goats - ANS What species is most resistant to oak bud poisoning?
c. Hepatotoxic and nephrotoxic
(Dx: Oak bud poisoning) - ANS A farm is experiencing the death of calves with peri-renal
edema. Some of the other cows are experiencing hemolytic anemia, convulsions, and
hemorrhage. When you exam the farm, this is what you notice an abundance of. You know this
to be _____ and _____ to cattle.
a. Nephrotoxic and cardiotoxic
b. Hepatotoxic and cardiotoxic
c. Hepatotoxic and nephrotoxic
d. Pulmonotoxic and nephrotoxic
d. Snakebite - ANS With which of the toxicoses will you NOT see Heinz bodies on cytology?
a. Onions
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS GRADED A+
2025/2026
D. Cardiovascular system - ANS What organ system does Foxglove mostly affect?
a. Nervous system
b. Respiratory system
c. Reproductive system
d. Cardiovascular system
b. Oleander - ANS Which of the following is a cardiac glycoside?
a. Poison Hemlock
b. Oleander
c. Sago Palm
d. Red maple
a. Lupine
(the rest are pyrrolizidine alkaloids) - ANS Which of the following is a quinolizidine alkaloid?
a. Lupine
b. Water Hemlock
c. Senecio
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, d. Lantana
Pyrrolizidine Alkaloid - ANS A farmer is experiencing death of his cows. On necropsy, you are
seeing mainly liver damage and decide to do an impression smear. On cytology, you see hepatic
fibrosis, megalocytosis, and biliary hyperplasia. You know this to be characteristic for _____
toxicity.
Poison Hemlock - ANS This pyrrrolizidine alkaloid is known to have a musty, mouse urine
smell.
Renal failure - ANS Grapes and raisins causes _____ in dogs.
Lilies - ANS This flower is nephrotoxic and only affects cats.
Goats - ANS What species is most resistant to oak bud poisoning?
c. Hepatotoxic and nephrotoxic
(Dx: Oak bud poisoning) - ANS A farm is experiencing the death of calves with peri-renal
edema. Some of the other cows are experiencing hemolytic anemia, convulsions, and
hemorrhage. When you exam the farm, this is what you notice an abundance of. You know this
to be _____ and _____ to cattle.
a. Nephrotoxic and cardiotoxic
b. Hepatotoxic and cardiotoxic
c. Hepatotoxic and nephrotoxic
d. Pulmonotoxic and nephrotoxic
d. Snakebite - ANS With which of the toxicoses will you NOT see Heinz bodies on cytology?
a. Onions
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
