Table of Contents
Why smoking is not allowed?
The most common rationale cited for restrictions on smoking is the negative health effects associated with secondhand smoke (SHS), or the inhalation of tobacco smoke by persons who are not smoking. These include diseases such as heart disease, cancer, and chronic obstructive pulmonary disease.
How does smoking affect lab values?
Conclusions— Smoking causes increased blood leukocytes, neutrophils, lymphocytes, and monocytes, as well as increased hematocrit, hemoglobin, and mean corpuscular volume. The observational smoking relationships were long term for white blood cells and short term for red blood cell indices.
Which of the following are not allowed in the lab?
Eating, drinking, smoking, gum chewing, applying cosmetics, and taking medicine in laboratories where hazardous materials are used should be strictly prohibited. Food, beverages, cups, and other drinking and eating utensils should not be stored in areas where hazardous materials are handled or stored.
Is smoking allowed in outdoor areas of place of employment?
Except in an emergency, an employer must not require an employee to enter an indoor area where smoking is permitted. If outdoors, the area should not be by the entrances to the building where non-smokers have to pass by to enter the building.
Why smoking in public places should not be banned?
2. Reduces the risk of passive smoking. Toxic fumes don’t only affect the person actively smoking a cigarette – there are significant health risks associated with second-hand smoke as well. Smoking bans in public places significantly reduce the exposure of non-smokers to toxic fumes.
How does smoking directly affect the cardiovascular system?
Smoking increases the formation of plaque in blood vessels. Coronary Heart Diseaseoccurs when arteries that carry blood to the heart muscle are narrowed by plaque or blocked by clots. Chemicals in cigarette smoke cause the blood to thicken and form clots inside veins and arteries.
Which of the following is a safe rule in the laboratory?
For any science lab, wear covered shoes, long pants, and keep your hair up so it can’t fall into your experiment or a flame. Make sure you wear protective gear, as needed. Basics include a lab coat and safety goggles.
What are the safety rules in the laboratory?
General Laboratory Safety Rules
- Know locations of laboratory safety showers, eyewashstations, and fire extinguishers.
- Know emergency exit routes.
- Avoid skin and eye contact with all chemicals.
- Minimize all chemical exposures.
- No horseplay will be tolerated.
- Assume that all chemicals of unknown toxicity are highly toxic.