Laboratory Rules

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Questions and Answers

Which of the following is the MOST crucial reason for a laboratory to have good ventilation?

To maintain a comfortable temperature for the students.
To prevent the buildup of hazardous fumes and ensure air quality. (correct)
To facilitate the easy movement of personnel within the lab.
To reduce the risk of spills and accidents.

Besides ample space, illumination, and ventilation, which additional characteristic is MOST important for a laboratory?

Easy access to outdoor recreational areas.
Aesthetically pleasing decor to promote creativity.
Availability of specialized equipment and safety measures. (correct)
Soundproofing to minimize noise distractions.

What is the PRIMARY reason for wearing a buttoned-up lab coat in the laboratory?

To maintain a professional appearance.
To comply with dress code regulations.
To keep warm in a cool environment.
To protect clothing from potential spills and splashes. (correct)

Why is it important to secure long hair in a laboratory setting?

To prevent it from getting caught in equipment or contacting hazardous materials. (D) Signup and view all the answers

Why should personal items not be placed on the work surface in a laboratory?

To minimize clutter and prevent contamination or accidents. (D) Signup and view all the answers

What is the MOST important reason for cleaning and organizing your workspace in a laboratory?

To minimize the risk of accidents and contamination. (A) Signup and view all the answers

Why is it essential to use safety goggles in a lab?

To protect eyes from splashes or projectiles. (B) Signup and view all the answers

Why are eating and drinking prohibited in the laboratory?

To avoid accidental ingestion of hazardous materials. (C) Signup and view all the answers

Why should you avoid wearing loose clothing and jewelry in the laboratory?

To avoid hindering movement and potential entanglement or contamination. (D) Signup and view all the answers

Why should reagents NEVER be ingested or tasted while performing lab experiments?

Because they may be toxic and cause harm. (A) Signup and view all the answers

What is the PRIMARY reason for prohibiting running or playing in a laboratory?

To avoid accidents and injuries due to spills or collisions. (C) Signup and view all the answers

How should solid waste materials be disposed of in the laboratory?

By discarding them in a designated waste container as instructed. (C) Signup and view all the answers

Before disposing of liquid waste down the drain, what important step should be taken?

Running water to dilute the waste. (D) Signup and view all the answers

What is the last step to do with materials and workspaces after performing a procedure?

Clean and dry all materials and the workspace. (D) Signup and view all the answers

What primarily do hazard pictograms on chemical product labels communicate?

The specific dangers associated with the chemical. (D) Signup and view all the answers

In the absence of a specific pipetting device, what should you NEVER do?

Use your mouth. (B) Signup and view all the answers

What essential safety equipment MUST be available in a laboratory due to the use of flammable products?

A small fire extinguisher. (B) Signup and view all the answers

If a chemical substance comes into contact with the eyes, what is the FIRST and MOST important action to take?

Wash the eyes with water immediately. (A) Signup and view all the answers

If someones skin comes in contact with a harmful product, what is the procedure?

Clean the part of the skin with abundant cold water. (D) Signup and view all the answers

Which of the following is the MAIN purpose of a binocular magnifying glass?

To observe opaque objects with lighting that does not go through the sample. (D) Signup and view all the answers

Flashcards

What is a laboratory?

A space with special equipment and materials where experiments are conducted.

General lab safety rules

Wear a buttoned lab coat, tie back long hair, keep the area clean, use safety glasses, and avoid eating or drinking.