NURSING ANM AND GNM

NURSING EXAM QUESTIONS

TOXICOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Toxins ingested at a higher rate than they are eliminated is the definition of?
A
Bioaccumulation
B
Biomagnification
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Bioaccumulation is a process of accumulation of chemicals in an organism that takes place if the rate of intake exceeds the rate of excretion. Chemicals are introduced into the organism through exposure to the abiotic environment (soil, water, air) or as dietary intake (trophic transfer).

Detailed explanation-2: -Bioaccumulation is the process by which toxins enter the food web by building up in individual organisms, while biomagnification is the process by which toxins are passed from one trophic level to the next (and thereby increase in concentration) within a food web.

Detailed explanation-3: -Which of the following best defines bioaccumulation? ABioaccumulation is the build up of toxins in an organism, which most severely affects organisms at the bottom of a food chain.

Detailed explanation-4: -What is Bioaccumulation? Bioaccumulation refers to the process of toxic chemicals building up inside of an organism’s body. This happens when a chemical is consumed or absorbed, and the body cannot catabolize or excrete it quickly enough. Mercury is a well-known chemical that will bioaccumulate in humans.

There is 1 question to complete.