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MCAT Word List # MCAT/W117

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  Word Descriptions weak base, gait, dicotyledon, knee-jerk reflex, biogenesis, opening, circadian rhythm, alveolus, hypertension, caffeine


   
Description of weak base (noun: plural: weak bases)
a base that only slightly dissociates in solution

Samples of weak base
The base dissociation constant tells us if it is a weak base.



   
Description of gait (noun: plural: gaits)
a way of walking

Samples of gait
Parkinson's disease affects the gait.



   
Description of dicotyledon (noun: plural: dicotyledons)
a plant that has two cotyledons (seed leaves)

Samples of dicotyledon
Many trees are dicotyledons.



   
Description of knee-jerk reflex (noun: no plural)
reflex contraction of the quadriceps muscles leading to a sudden involutary extention of the knee

Samples of knee-jerk reflex
The knee-jerk reflex is an example for monosynaptic reflex pathways having only one synapse between the sensory neuron and the motor neuron.



   
Description of biogenesis (noun: no plural)
the creation of living organisms from other living organisms

Samples of biogenesis
Sexual reproduction is an example of biogenesis.



   
Description of opening (noun: plural: openings)
a hole or break within a solid surface; an entrance

Samples of opening
The mouth is an opening in the face where food enters the body.



   
Description of circadian rhythm (noun: plural: ircadian rhythms)
daily activity cycle in many organisms caused by a 24-hours interval

Samples of circadian rhythm
Melatonin plays a role in the regulation of circadian rhythms.



   
Description of alveolus (noun: plural: alveoli)
air sac in the lung; part of the jaw that supports the teeth; any small cavity

Samples of alveolus
Exchange of gases occurs in the alveolus.



   
Description of hypertension (noun: no plural)
high blood pressure

Samples of hypertension
Hypertension is often asymptomatic.



   
Description of caffeine (noun: no plural)
a drug present in tea; coffee and cola that is a stimulant

Samples of caffeine
Caffeine is a diuretic.



  Determinations of the words weak base, gait, dicotyledon, knee-jerk reflex, biogenesis, opening, circadian rhythm, alveolus, hypertension, caffeine

  Preparation book: Evaluation and Management of gait disorders

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     MCAT practice test: Vocabulary Exercises: List of Nouns         MCAT practice test: Online word games: Free Nouns Game         MCAT Words: (printable version)         Definition of weak base, gait, dicotyledon, knee-jerk reflex, biogenesis, opening