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MCAT Word List # MCAT/W84

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Description of exotoxin (noun: plural: exotoxins)
a very harmful poison made by a bacterial cell and released to the surroundings

Samples of exotoxin
Diphtheria is caused by a powerful exotoxin.



   
Description of hypochondriac (noun: plural: hypochondriacs)
a healthy person who worries excessively about their health and believes they are ill

Samples of hypochondriac
Doctors may become hypochondriacs because they think and learn so much about illness!

Determination of hypochondriac
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Description of gas exchange (noun: plural: gas exchanges)
movement of gases from an area of high concentration to an area of low concentration

Samples of gas exchange
Gas exchange occurs in the lungs.

Determination of gas exchange
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Description of vasectomy (noun: plural: vasectomies)
operation where the vas deferens are cut leading to sterility

Samples of vasectomy
Bilateral vasectomy is an increasingly popular means of birth control.



   
Description of vitamin (noun: plural: vitamins)
a food substance we need in small amounts to be healthy

Samples of vitamin
Vitamin C deficiency causes scurvy.



   
Description of phospholipid (noun: plural: phospholipids)
compound containing glycerol joined to one or two fatty acids and phosphorus

Samples of phospholipid
Phospholipids are found in cell membranes.

Determination of phospholipid
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Description of acid-base indicator (noun: plural: acid-base indicators)
weak acid or base that changes color according to the pH of the solution

Samples of acid-base indicator
When put in a solution the acid-base indicator gains or loses protons depending on the Ph and changes its color.

Determination of acid-base indicator
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Description of hydrophilic (adjective)
having an affinity with water; readily absorbing water

Samples of hydrophilic
A phospholipid molecule has a hydrophilic end a hydrophobic end.
Acids are hydrophilic because they are soluble in water.

Determination of hydrophilic
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Description of physical (adjective: more physical; most physical; less physical; least physical)
relating to the body

Samples of physical
Disorders of the physical body are managed b physicians.



   
Description of endotoxin (noun: plural: endotoxins)
a harmful protein contained within certain bacteria and released only when the bacterium dies or is broken down

Samples of endotoxin
Certain gram-negative bacteria produce endotoxins.



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