Lifestyle chemistry and Bionimedical technology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Reliability | The occurrence is guaranteed
E.g a clock that is out by 3 minutes, will always be 3 minutes out. This is guaranteed that despite not being accurate the time will still show only 3 minutes out.
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| Validity | Is it testing what you think your testing
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| Independent Variables | The changed/altered part of an experiment in order to complete the experiment. (There should only be one independent variable for a valid experiment)
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| Dependent variables | What changes when the independent variable changes. The dependent variable changes in accordance with the outcome of the independent variable
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| The name for a Liquid that dissolves substances | A Solution
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| Mixture that settles out quickly | A Suspension
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| What is an emulsion | A mixture of two or more immiscible(unblendable) liquids
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| What is the name of a solid and liquid mixture evenly dispersed, however not dissolved in one another that settles over a lengthy time | A Colloid
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| An example of a surfactant is | Soaps and detergents
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| Surfactant | A surfactant is a group of chemicals that are SURFACE ACTIVE AGENTS. They affect the surface tension of a liquid
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| What are the two types of emulsions | Oil in water
and
Water in oil
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| Substances that Decompose in the environment | Biodegradable
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| Naturally occurring organisms on skin | Bacteria
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| 3 Main properties of skin | 1: Waterproofing
2: Temperature control
3: Protects against disease causing bacteria
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| Skin pH measured on a scale of 0-14 | 4.5 - 6 - Slightly acidic
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| pH is a measure of | Acidity
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| What is the Menisci | the upward curvature of e.g. water in a test tube
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| 2 main solvents in medications are | 1: Water
2: Alcohol
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| Why are water and alcohol used as solvents | Water: Used with substances that need to flow as it is a highly soluble substance
Alcohol is used as an alternative to water and is better used for fatty and oily substances that water has a harder time dissolving
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| Stomach pH level | between 0.5 and 2 (acidic)
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| Roles of stomach | Secretes Gastric juice to dilute acid
Muscular layers churn and digest food
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| pH of the small intestines | roughly 8 (alkaline)
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| Role of small intestines | To Secrete digestive enzymes
digest fats
Products of digestion are absorbed into bloodstream
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| Tablets that dissolve in the small intestines | Enteric coated tablets
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| Fat soluble vitamins | A,D,E,K ( remember as a word it helps) ADEK
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| Water soluble vitamins | B!, B2, B12 and C ( remember all the B's count 1 and 2 than put them together for 12 and than think oranges :P )
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| 3 ways for drug administration | Orally
Inhalation
Injection
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| SA node or Sinoatrial node | Specialized cells in the right atrium of the heart, send electrical impulses causing the heart to beat
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| UHMWPE | Ultra High Molecular Weight polyethylene and is used in Large replacement joints
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| The medical procedure when using a balloon to inflate hardened arteries is called | Balloon angioplasty
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| What types of synovial joints do elbows and knee joints classify as | Hinge joints
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| Non invasive medical techniques are | When no physical infiltration is required
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| Minimally invasive medical techniques are | when Next to none or little physical infiltration is required. Quick recovery times
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| Biomedical implants must be | Bio compatible, highly durable, flexible and as lightweight a possible
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| Heart valve disease where blood flow is limited to the body is called | atherosclerosis
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| The job of the Skeleton system | 1: To sustain movement
2: To hold muscle in place
3: protect organs and holds organs in place
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| Ligaments | Bone to Bone
or
Bone to cartlidge
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| Tendons | Attach muscle to bone
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| Vlaves ( in the heart ) | Ensures one way flow of blood. prevents blood backflow during contractions
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| Ball and cage valve | A substitute heart valve.
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| The circulatory system | Transports food, water, oxygen and blood in and out of cells
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| Life support systems | Defibrillator
Heart Lung machine
IV's
Antibiotics etc...
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| Hearts double beat sound (bah bump) | The process of two separate valves functioning.
one flows to and from the respiratory system.
the other flows to and throughout the circulatory system.
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| Two causes (medical) for irregular heartbeat | Tachycardia
and
Brachicardia
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| Superalloys | Superalloys are a combination of several different metal components and plastics used to create a stronger and more durable material
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| Cemented and non cemented joints | Cemented: To use an Specific type of "glue" and bolts etc to literally cement the joint in place
Uncemented: The joint is hammered into place causing trauma to the bone this causes it to grow rapidly into the porous surface. This creates a stronger bon
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| A solvent | A liquid that a solute dissolves in.
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| Oil is immiscible in water unless using an emulsifier which works by | Surrounding the oil globules
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| Gas in liquid colloids | e.g Foam
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| Solid in Gas | e.g Smoke
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Created by:
sagey
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