McqMate
| Q. |
What is a common name for the substance which irritates lachrymal glands? |
| A. | Tear Gas |
| B. | Laughing Gas |
| C. | Anaesthetic Gas |
| D. | Noble Gas |
| Answer» A. Tear Gas | |
|
Explanation: Lacrimal gland, located under the upper eyelid at the outer cornea of the eye, is responsible for tearing during emotional stimulation or following corneal irritation by a foreign body or chemical substance. Tear gas, also called lacrimator, refers to any of a group of substances that irritate the mucous membranes of the eyes, causing a stinging sensation and tears. It produces severe lacrimation by irritating the conjunctivae. |
|
View all MCQs in
ChemistryNo comments yet