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PCAT Word List # PCAT/M91

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  Word Explanations mental illness, MRI, tough, experience, -logy, substrate, rigor mortis, amphipathic lipid, carotene, homeostasis


   
Explanation of mental illness (noun)
form plural: mental illnesses

disorder of the mind where thought and/or behavior are abnormal and cause distress

Sample of mental illness
Schizophrenia is a mental illness.



   
Explanation of MRI (abbreviation, acronym)
magnetic resonance imaging

diagnostic technique which uses a magnetic field and radio waves to provide computerized images of internal body tissues magnetic resonance imaging

Sample of MRI
MRIs are used in medicine to help diagnose things that won't show up on an X-ray.



   
Explanation of tough (adjective)
forms: tougher; toughest; the toughest

hard to break

Sample of tough
Metals are tough.



   
Explanation of experience (verb)
forms: experienced; experienced; experiencing

to feel; to endure

Sample of experience
A diet which is bizarre or extreme may bring about weight loss if strictly adhered to but, as the brain draws on its reserves to make up for the deficiency in vital nutrients, the dieter is likely to become edgy, easily upset and to experience difficulty in making decisions.



   
Explanation of -logy (suffix)
study

Sample of -logy
Ecology is the study of living things and their environments.



   
Explanation of substrate (noun)
form plural: substrates

the material on which an enzyme works

Sample of substrate
The substrate fits the active site of the enzyme.
Fermentation is regulated by the amount of substrate available and its chemical composition, the substrate specificities and perferences of the bacterial species present and the metabolic pathways through which they metabolise the substrate.



   
Explanation of rigor mortis (noun)
form: no plural

rigidity of death

Sample of rigor mortis
After death rigor mortis sets in very quickly.



   
Explanation of amphipathic lipid (noun)
form plural: amphipathic lipids

contains a hydrophobic and a hydrophilic part

Sample of amphipathic lipid
Amphipathic liquids make up cell membranes and are important lipids.



   
Explanation of carotene (noun)
form plural: carotenes

highly colored pigments (yellow to red) found in vegetables

Sample of carotene
Vitamin A can be produced in the body from consuming carotene.



   
Explanation of homeostasis (noun)
form: no plural

the process that maintains balance or equilibrium of an organism's internal environment

Sample of homeostasis
Body temperature is controlled by homeostasis.
Because ecosystems in a steady state possess the property of self-regulation this is analogous to mechanisms such as homeostasis in living organisms, feedback principles in cybernetics and servomechanisms in systems engineering.



  Explain the words mental illness, MRI, tough, experience, -logy, substrate, rigor mortis, amphipathic lipid, carotene, homeostasis

  Preparation book: Mental Health and Mental Illness

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     PCAT verbal preparation: Vocabulary Exercises: English Nouns Abbreviations Adjectives Verbs s         PCAT preparation test: Free online word games: Noun Adjective Verb Game         PCAT Words: (printable version)         Meaning of mental illness, MRI, tough, experience, -logy, substrate, rigor mortis