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Public Health and Safety

Ask questions about disease and infections in society and how to cure and prevent outbreaks.

4,000 Questions

The fats stored in your body consist mostly of?

The fats stored in your body consist mostly of triglycerides, which are made up of three fatty acid molecules attached to a glycerol molecule. Triglycerides are the main form of fat stored in adipose tissue for energy storage and insulation.

Is mortar posionous if eaten?

Yes, mortar can be harmful if ingested because it can contain harmful chemicals such as lime, cement, or silica. Ingesting mortar can cause irritation, burning sensations, and stomach upset, so it is important to seek medical attention if consumed.

Where to place carbon dioxide detecter high or low?

Place a carbon dioxide detector at about eye level on a wall for optimal detection, as CO2 is slightly lighter than air and will tend to rise. However, it is also important to consider the specific manufacturer's instructions for placement to ensure proper functioning.

What would make tap water pink and is it dangerous?

There have been reported cases of pink tap water from the over treatment of the water by the utility dosing the water with too much potassium permanganate. Potassium permanganate is used to remove bad taste and odors in water, and when overused can yield a rosy shade of pink.

At low levels the material is benign. Higher levels (purple colour) should be reported to the utility and not consumed.

Is basic life support and first aid the same thing?

No, Basic Life Support and First Aid are not the same thing. Basic Life Support means the needs of our daily life, i. e food, clothes and a house to live in, but First Aid means the initial treatment given to an injured person till the doctor or ambulance doesn't arrive.

What hazards are within 10-12 seconds in front of your vehicle?

Hazards within 10-12 seconds in front of your vehicle could include sudden braking by the vehicle ahead, pedestrians crossing the street, animals on the road, or debris that could cause you to swerve or lose control. It's important to scan the road ahead and be prepared to react quickly to avoid potential dangers.

What organ stores fat?

A component of the lymphatic system, bone marrow functions primarily to produce blood cells and to store fat. Bone marrow is highly vascular.

How much is a fatal electrical current?

Yes, electricity can kill you. It had been used semi-frequently when executing prisoners in the States that were on death row. Depending on factors involved it can cause life-threatening irregular heart rhythms which can lead to a fatality.

At higher amounts of voltage it can have other drastic effects on the body.

What precautions can be taken against exposure to magnetic radiations?

There is no such thing as magnetic radiations. There are magnetic fields and there is electromagnetic radiation.

If you are concerned about magnetic fields you can distance yourself from the source of the magnetic field, or you can put yourself inside a Faraday box. The latter process is more effective, but prevents you from moving or interacting with anything outside the box.

What can cause clean usable water to become toxic?

Clean usable water can become toxic due to pollution from industrial waste, agricultural runoff, or chemicals like heavy metals or pesticides. Natural disasters such as oil spills or harmful algal blooms can also contaminate water sources and make them unsafe for consumption. Additionally, improper disposal of hazardous waste or sewage leakage can introduce harmful pathogens into the water supply.

Convert 5ft and 4in to meters?

5 feet is approximately 1.52 meters and 4 inches is about 0.1 meters. So, the total height is approximately 1.62 meters.

1 cubic mile of seawater contains 50 pounds of what?

salt <==Original answer

I think this answer is off by many orders of magnitude.

A cubic mile of seawater is 10^13 pounds of seawater.

If seawater is 3.5% solids after evaporation, and most of that is salt, (call it 3%) then there is:

3 x 10^12 lbs of salt in a cubic mile. That is roughly 1.5 e9 tons of salt.

A cubic mile of seawater contains 5 tons of Uranium. You can use that as a reference point when thinking about the ocean.

50 pounds of salt would be enough salt to create about 1666 pounds of seawater. At 62.4 lbs/cubic foot, that would be 26.7 cubic feet of seawater. That is about 10% of a standard swimming pool.

Even if only 30% of the solids in seawater are only salt, this is way, way off.

There should be about 35 kilograms, or 77 pounds of U-235, the isotope used for making bombs in a cubic mile of seawater.

Why was gas dangerous as a form of lighting?

Gas lighting was dangerous because the gas used (such as coal gas) was highly flammable and could easily ignite, leading to fires and explosions. In addition, the gas was often stored under pressure, making leaks a common occurrence that could cause illness or asphyxiation.

Why fire smoke is so dangerous?

Fire smoke is dangerous because it contains a combination of toxic gases, such as carbon monoxide and hydrogen cyanide, along with fine particles that can penetrate deep into the lungs. Inhaling these substances can cause respiratory problems, cardiovascular issues, and even death. Additionally, fire smoke can obscure visibility, making it difficult for people to escape from a burning building.

What happens if you eat plutonium?

Eating plutonium can be extremely dangerous as it is a radioactive element that can emit harmful radiation, leading to serious health effects such as radiation sickness, organ damage, and an increased risk of developing cancer. Immediate symptoms may include nausea, vomiting, and abdominal pain. It is important to seek medical attention immediately if you suspect exposure to plutonium.

Made of organs working together to do a similar job such as the digestive?

The organ system responsible for digestion is the digestive system. It includes organs like the stomach, small intestine, and liver that work together to break down food and absorb nutrients. Each organ has a specific role in the overall function of digesting food and extracting energy for the body.

How long does it take for plutonium to kill you?

This depends on many factors: your age, your general health, internal or external irradiation, quantity of plutonium ingested or inhaled, the chemical form of plutonium, the physical form of plutonium, the dose equivalent, etc.

But be sure that plutonium is very toxic and radioactive - it is an important danger without precautions.

What happens if you burn your hands in fire?

You'll die. But I don't think you'll want to burn yourself since most people are afraid of hurting him/herself (cut, stabing, BURN). You may be burned or killed only if you've bean a bad person in this world.

Parts and functions of the eyes?

ConjunctivaIs a thin protective covering of epithelial cells. It protects the cornea against damage by friction (tears from the tear glands help this process by lubricating the surface of the conjunctiva)CorneaIs the transparent, curved front of the eye which helps to converge the light rays which enter the eyeScleraIs an opaque, fibrous, protective outer structure. It is soft connective tissue, and the spherical shape of the eye is maintained by the pressure of the liquid inside. It provides attachment surfaces for eye musclesChoroidHas a network of blood vessels to supply nutrients to the cells and remove waste products. It is pigmented that makes the retina appear black, thus preventing reflection of light within the eyeball.Ciliary bodyHas suspensory ligaments that hold the lens in place. It secretes the aqueous humour, and contains ciliary muscles that enable the lens to change shape, during accommodation (focusing on near and distant objects)Iris

Is a pigmented muscular structure consisting of an inner ring of circular muscle and an outer layer of radial muscle. Its function is to help control the amount of light entering the eye so that:

- too much light does not enter the eye which would damage the retina

- enough light enters to allow a person to seePupilIs a hole in the middle of the iris where light is allowed to continue its passage. In bright light it is constricted and in dim light it is dilatedLensIs a transparent, flexible, curved structure. Its function is to focus incoming light rays onto the retina using its refractive propertiesRetinaIs a layer of sensory neurones, the key structures being photoreceptors (rod and cone cells) which respond to light. Contains relay neurons and sensory neurons that pass impulses along the optic nerve to the part of the brain that controls visionFovea (yellow spot)A part of the retina that is directly opposite the pupil and contains only cone cells. It is responsible for good visual acuity (good resolution)Blind spotIs where the bundle of sensory fibres form the optic nerve; it contains no light-sensitive receptorsVitreous humourIs a transparent, jelly-like mass located behind the lens. It acts as a 'suspension' for the lens so that the delicate lens is not damaged. It helps to maintain the shape of the posterior chamber of the eyeballAqueous humourHelps to maintain the shape of the anterior chamber of the eyeball

What was in DEP Astrafoil ink apart from it being 80 percent aniline?

DEP or direct etching, plastic, astrafoil ink was manufactured from the benzidine based azo dye "Direct Black 38" in an aniline liquid carrier. Other colored Azo dyes were also used. It was withdrawn and banned in the United States of America during the early 1960's due to health concerns and its relation to bladder cancer in draftmen using it.

Investigation during the 1980's of human exposure to the dye demonstrated certain metabolites were formed within 7 days after exposure which were isolated and identified by gas chromatography-mass spectrometry as:

benzidine, 4-aminobiphenyl, monoacetylbenzidine, and acetylaminobiphenyl. Formation of the deaminated and N-acetylated analogs of benzidine, which have enhanced mutagenicity and lipophilicity effect on the large intestine and could, in some cases, be related to the onset of bowel cancer in later life.

Is americium safe to touch?

No, americium is radioactive and therefore not safe to touch. It can pose a risk of radiation exposure if handled without proper protection.

How is fat stored in the body?

Fat is stored in the body in the form of triglycerides, which are made up of glycerol and three fatty acids. When we consume more calories than we burn, the excess calories are converted into triglycerides and stored in fat cells for later use as energy. Hormones like insulin and cortisol play a role in regulating the storage and release of fat in the body.

How hazardous is plutonium?

Plutonium is considered highly hazardous due to its radioactivity, as it emits alpha particles that can damage cells in the body and increase the risk of cancer. Ingesting or inhaling even small amounts of plutonium can be harmful, and proper safety protocols must be followed when handling this material to prevent exposure.

I know how to calculate Celsius to Fahrenheit and vice versa with a calculator but Is there an easier formula to do in one's head?

Here is a way from C to F that is easy to do in your head;

Say you see 28 C

Double that.. that makes it 56

Subtract 5 (actually 5.6, you are moving one decimal to the left..but leave the .6 off)

That gives you 51

Add 32

So 28 C = 83 F

(I have not found a similar way for F to C)

F= C/5X9+32= Celsius

C= F-32/9X5= Fahrenheit

How long does it take to cut of the circulation in your arm?

Cutting off circulation to the arm can happen rapidly, within a few minutes, depending on the severity of the compression or injury. It is important to address the issue immediately to prevent tissue damage and potential long-term complications.