NURSING ANM AND GNM

NURSING EXAM QUESTIONS

TOXICOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The LD50 of sugar is 30g/kg. How many milligrams of sugar would be lethal to a person who weighs 120 pounds?
A
1, 636, 363 mg
B
1, 635 mg
C
3, 600, 000 mg
D
54, 545 mg
Explanation: 

Detailed explanation-1: -The LD50 of Sucrose is 29.7 grams per kilogram or 13.5 grams per pound. The LD50 represents toxicity for things consumed ALL AT ONCE and it doesn’t guarantee death – it’s just what kills 50% of a population.

Detailed explanation-2: -The smaller the LD50, the more toxic the pesticide. Example: a pesticide with an LD50 of 5 mg/kg is 100 times more toxic than a pesticide with an LD50 of 500 mg/kg Page 2 2 values are given in milligrams per kilogram of body weight of the animal (mg/kg body wt.).

There is 1 question to complete.