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PCAT Word List # PCAT/M73

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  Word Explanations vitamin E, elderly, carcinogen, prostaglandin, feedback, radiograph, magnetic pole, retrovirus, torque, note


   
Explanation of vitamin E (noun)
form: no plural

tocopherol

Sample of vitamin E
Vitamin E is fat soluble.



   
Explanation of elderly (adjective)
forms: elderly; more elderly; most elderly; less elderly; least elderly

senior; older; aged

Sample of elderly
Accidents cause injury and suffering to hundreds of people every year, and those moving about on foot or bicycle, elderly and infirm people, and children are most at risk.



   
Explanation of carcinogen (noun)
form plural: carcinogens

a substance that causes cancer

Sample of carcinogen
Tobacco smoke is a known carcinogen.



   
Explanation of prostaglandin (noun)
form plural: prostaglandins

potent hormone-like substance found in many bodily tissues (and especially in semen)

Sample of prostaglandin
Prostaglandins (PGs) are local hormones and PGs such as prostaglandin E2 (PGE2) and prostacyclin (PGI2) inhibit acid secretion and stimulate the secretion of mucus, and of bicarbonate.



   
Explanation of feedback (noun)
form: no plural

process where the increase in a product of a reaction leads to a decrease in its rate of production and vice versa

Sample of feedback
Feedback systems are important in the control of blood sugar by insulin.



   
Explanation of radiograph (noun)
form plural: radiographs

an X-ray

Sample of radiograph
A chest radiograph may be taken if there is a problem with the lungs.



   
Explanation of magnetic pole (noun)
form plural: magnetic poles

either of the ends of an object that is able to attract iron or steel

Sample of magnetic pole
A magnet has two magnetic poles - north and south.



   
Explanation of retrovirus (noun)
form plural: retroviruses

a pathogenic agent containing RNA, which can convert to DNA inside a cell

Sample of retrovirus
HIV is a retrovirus.



   
Explanation of torque (noun)
form: no plural

moment of a force

Sample of torque
Torque is the quantity causing rotation.



   
Explanation of note (noun)
form plural: notes

hint; warning (especially in drug or medication descriptions)

Sample of note
Among the many experiments carried out at Warwick, there is one of particular note: the discovery that skin can respond to odours -- even those we cannot smell.



  Explain the words vitamin E, elderly, carcinogen, prostaglandin, feedback, radiograph, magnetic pole, retrovirus, torque, note

  Preparation book: New Topics in Vitamin E Research

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     PCAT test: Vocabulary Words: English Nouns Adjectives         PCAT test: Word games: Free Online Noun Adjective Game         PCAT Vocabulary: (printable version)         Meaning of vitamin E, elderly, carcinogen, prostaglandin, feedback, radiograph, magnetic pole, retrovirus