NURSING ANM AND GNM

NURSING EXAM QUESTIONS

TOXICOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following routes is the MOST rapidexposure to a chemical?
A
Oral
B
Inhalation
C
Intramuscular
D
Subcutaneous
Explanation: 

Detailed explanation-1: -The major routes through which the toxic substances may enter the body, under normal working condition, are: inhalation, through the skin and ingestion. For many substances the greatest effects and the most rapid responses occurs when the substance is inserted directly into the blood circulation.

Detailed explanation-2: -Inhaling (breathing in) contaminated air is the most common way that workplace products enter the body. Some chemicals, when in contact with the skin, can seep through the skin. Less commonly, workplace chemicals may be swallowed, for example from contaminated food or cigarettes. The eyes may also be a route of entry.

Detailed explanation-3: -An exposure route exposure route The way a chemical pollutant enters an organism after contact, e.g., by ingestion, inhalation, or dermal absorption. is the way that a contaminant enters an individual or population after contact (IPCS, 2004).

There is 1 question to complete.