Which of the following statements is TRUE?

a. Intact skin provides an impermeable barrier against all hazardous chemicals.
b. It is safe to smoke around hazardous chemicals, as long as you wear gloves.
c. Inhaled chemicals cannot enter the bloodstream through the lungs.
d. Strong acids can burn the eyes, but strong alkalines (bases) cannot.
e. None of these is true.

The substances that adversely affect health like skin issues, breathing problems, poisoning and allergic reactions are hazardous chemicals. They are risky for safety, health and the environment.

The following statement is true:

Option e. None of these is true

The statements can be explained as:

Thus, none of these statements is true.

To learn more about hazardous chemicals follow the link:

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None of these is true. (Ans e.)

Explanation:

C) Inhaled chemicals can irritate the throat or nose, damage the lungs, and enter through the lung to the bloodstream.

A) Skin is not impermeable in nature.

B) It is not safe to smoke around hazardous chemicals, as long as you wear gloves, because people can carry hazardous chemicals from cigarette smoke then releasing those compounds into non-smoking environments.

D) Alkaline can denature proteins, and they also break down fats in a process which is known as saponification. Burns from alkalines worse than burns from acids.

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.