Essays Tagged: "x rays"

Lasers

r is made of). Light from our sun, or from anelectric bulb, is called white light. It is really a mixture of all the differentcolours of light. The colours range from violet, indigo, and blue, to gree ... hespectrum), and on the other end of the spectrum are the other invisibleradiations, ultra- violet, X rays, micro waves and gamma rays. Thewavelength of the light is important to the subject of the la ...

(4 pages) 66 0 4.6 Feb/1996

Subjects: Science Essays > Physics

Laser, What its all about and made of

r is made of). Light from our sun, or from anelectric bulb, is called white light. It is really a mixture of all the differentcolours of light. The colours range from violet, indigo, and blue, to gree ... hespectrum), and on the other end of the spectrum are the other invisibleradiations, ultra- violet, X rays, micro waves and gamma rays. Thewavelength of the light is important to the subject of the la ...

(4 pages) 88 0 3.6 Apr/2002

Subjects: Science Essays > Technology

Cushings Syndrome: The causes, effects, and treatments of the disease.

e face and in other parts of the body. Cushing's syndrome is usually diagnosed by medical tests and x-rays. Treatment usually depends on the cause, but a full recovery happens in most cases. Today res ... our survival. Cortisol circulates in the bloodstream and attaches to nearly every cell in the body exerting biologic effects. Cortisol helps to maintain a normal blood pressure by affecting blood vess ...

(3 pages) 153 3 2.4 Mar/2003

Subjects: Humanities Essays > Health & Medicine > Diseases

Waves and How They Affect Life.

avel, and we don't mean surfing! Many things we use every day involve waves. Lights and sounds are examples of everyday uses that travel by wave. On the spectrum of light there are waves listed which ... sing rapidly. It is estimated that for every one percent decrease in the o zone layer, there is a six percent increase in the incidence of non-melenoma skin cancer such as basal cell cancer and squamo ...

(8 pages) 70 0 4.0 May/2003

Subjects: Science Essays

Chiropractic.

ystem. Doctors of chiropractic use the same time-honored methods of consultation, case history, and x-rays as any other doctor. It is the examination of the spine structure and function that makes chi ... egin at the base of the skull and end at the center of the hips. Thirty-one pairs of spinal nerves extend down from the brain and exit through a series of openings. The nerves leave the spine and form ...

(10 pages) 96 0 3.0 May/2003

Subjects: Humanities Essays > Health & Medicine

Computed Tomography Imaging.

Overview:Computed Tomography (CT) imaging, also known as "CAT scanning" (Computed Axial Tomography) is a invaluable medical diagnostic imaging tool, which Uses a combination of X-rays ... al diagnostic imaging tool, which Uses a combination of X-rays and computer technology. A series of X-ray beams from many different angles are used to create cross-sectional images or "slices" of the ... , bones, and tissues in great detail.The CT scanner consists of a large donut-shaped machine and an X-ray table. The Patient will lie on the table and be slowly moved into the large opening as a serie ...

(8 pages) 137 0 3.9 Jul/2003

Subjects: Science Essays > Physics

A report on a few different feild in radiological jobs in mississippi.

nd technicians perform a variety of diagnostic radiographs on inpatients and outpatients. They take x-rays and administer non-radioactive materials into patients' blood stream. They are also responsib ... active materials into patients' blood stream. They are also responsible for preparing patients for examinations. Technologists are required to be sensitive to patient's physical and psychological need ...

(2 pages) 55 0 4.3 Nov/2003

Subjects: Area & Country Studies Essays

Radioactivity.

h a human body, it will cause damage to cells. These rays are very penetrating. They are similar to x-rays ( they can travel through about anything thick or thin like concrete, paper, and aluminum).Al ... nt numbers of neutrons. Isotopes are used in modern medicine for research and diagnosing diseases. Example: carbon-14 has a mass number of 14 and the atomic number of 6, but carbon-12 has the mass num ...

(1 pages) 37 0 3.7 Jan/2004

Subjects: Science Essays > Chemistry

Nuclear Power: Pros and Cons

I explained whether these statements were true or false, and gave the pros and cons of Nuclear Power af ... ors contain radioactive materials.2. Radioactive materials and radiation are unnatural and did not exist until created by scientists.3. All radiation causes cancer.4. Human senses can detect radioacti ... n senses can detect radioactivity.5. Individuals vary widely in how they are affected by radiation exposure.6. Small amounts of matter are converted to huge amounts of energy in Nuclear weapons.7. Phy ...

(1 pages) 90 0 4.8 Feb/2004

Subjects: Science Essays > Chemistry

Becquerel and Rutherford: Contributions to Science

of natural radioactivity. Becquerel decided to investigate whether there was any connection between X-rays and naturally occurring phosphorescence, after his discussion with Henri Poincaré on t ... ion with Henri Poincaré on the radiation which had been recently discovered by Röntgen (X-rays) and which was accompanied by a type of phosphorescence in the vacuum tube. He had inherited ...

(1 pages) 25 0 2.7 Mar/2004

Subjects: Science Essays > Chemistry

Radioactivity

Radioactive substances spontaneously emit rays that are similar to X-rays, however these rays are generated from the actual substances. These continual emissions can l ... substances. These continual emissions can last for months at a time without outside assistance. An example of these natural substances are Uranium and radium, they are found in small quantities throug ... are found in small quantities throughout the interior of the earth.Soon after the discovery of the X-ray, Henry Becquerel the effects of radioactive substances in 1896. When uranium salts affected a ...

(3 pages) 38 0 3.0 May/2004

Subjects: Science Essays > Chemistry

Health Concerns of Expousure to Radiation

Health Concerns of Exposure to RadiationEveryone in there lifetime will be exposed to radiation. Each and every person l ... e people might also have been affected by radiation from nuclear fallout or a nuclear bomb. I will explain to you the concerns and effects in various biological exposures, what radon is and how the me ... is the transferring of energy from one place to another. The radiation you receive from gamma Rays, X-rays, visible light and radio waves. This radiation contacts your body every day. The radiation th ...

(2 pages) 33 0 3.0 Oct/2004

Subjects: Science Essays

The Raisins in a Bun Model done by JJ Thomson and the discoveries that followed.

cientist found that invisible rays are emitted when matter is hit with a jolt of electricity. Such experiments involved transmitting electric arcs between two ends of cathode ray tubes. Some physicist ... hat spontaneously emitted invisible rays regardless of electricity or any other type of energy. An example of these substances are: uranium and radium, which are named radioactive materials. X-rays we ...

(2 pages) 27 0 4.1 Oct/2004

Subjects: Science Essays > Physics

My Grandmother's Battle

not act like herself. I knew something wasn't right when I asked her what was wrong, she began to explain that she felt exhausted, and she couldn't eat without becoming sick and losing whatever she a ... chiropractor for the pain, but that didn't work so he sent her to the hospital for blood tests and x-rays, the results were devastating; it was cancer.        She had a lump on her b ...

(5 pages) 36 1 5.0 Nov/2004

Subjects: Humanities Essays > Health & Medicine > Diseases

Accomplished Life of Marie Curie

other fellow scientists. Her work with radioactivity has also helped with technology today, such as x-rays and methods to help with the treatment of cancer. Although she had to put up with the inconve ... . Although she had to put up with the inconveniences of a miniature laboratory and the problem of sexual discrimination, Marie Curie defied the odds and proved everyone wrong by her successes and life ...

(7 pages) 38 0 3.0 Jul/2005

Subjects: Science Essays

Modern medical terminology

nal images of body organs and structures using powerful magnets and computer technology rather than x-rays.Herpes simplex virus (HSV) is a common cause of infections of the skin and mucous membranes a ... most difficult viruses to control and has plagued mankind for thousands of years. The herpes simplex viruses are double-stranded DNA viruses that only infect humans.Hypotension: Any blood pressure th ...

(2 pages) 28 0 5.0 Jan/2006

Subjects: Humanities Essays > Health & Medicine > Diseases

Various Uses for Radiation

o sterilise syringes:Gamma rays, emitted from cobalt-60, are similar in many ways to microwaves and X-rays. Gamma rays delivered during sterilization break chemical bonds by interacting with the elect ... of ionising radiation to detect smoke. This type of smoke detector is more common because it is inexpensive and better at detecting the smaller amounts of smoke produced by flaming fires. Inside an i ...

(2 pages) 22 0 0.0 Mar/2006

Subjects: Science Essays > Physics

Mediquip SA Case

y AnalysisMediquip S.A., a subsidiary of Technologie Universelle, is a manufacturer of CT scanners, X-Rays, ultrasonic, and nuclear diagnostic equipment. Their competitors consist of other European co ... uter tomography (CT) scanners, developed in the 1960's. CT scanners are medical devices that allow examination of cross sections of the human body through a display of images for diagnostic purposes. ...

(5 pages) 69 0 0.0 May/2006

Subjects: Businesss Research Papers > Case Studies

Tanning and Skin Cancer

skin cancer are diagnosed in more than one million Americans each year." (www.emedicinehealth.com/text/13593.htm) says Dr. Michael Lehrer. The most prominent cause of skin cancer is over-exposure to s ... t, in some cases both (American Cancer Society-www.cancer.org) There is much evidence to show that excessive exposure to the sun and/or U.V tanning beds increase the risks of obtaining skin cancer.The ...

(4 pages) 48 0 4.5 May/2006

Subjects: Humanities Essays > Health & Medicine > Diseases

Electromagnetic Radiation Assignment: X-Rays - The history of x-rays, how they can help health services + science, why they exist, how to detect x-rays.

X-rays, the savior of hospitals, the scientific interest of many. In October 1895 a German physicist ... pe of invisible rays must be coming out of the Crooke's tube. Roentgen named these 'invisible rays' x-rays, x being the unknown.One place x-rays are being used in society is in dental clinics and hosp ... being the unknown.One place x-rays are being used in society is in dental clinics and hospitals. An x-ray picture, or a radiograph is used to take pictures of limbs, bones and organs, they go through ...

(7 pages) 57 0 3.8 Oct/2006

Subjects: Science Essays > Physics