TEAS TEST STUDY

The science section definitions

237 cards   |   Total Attempts: 182
  

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Acetylcholine (ACH)
Chemical transmitter substance released by some nerve endings
Acid-base balance
Situation in which the pH of the blood is maintained between 7.35-7.45
Acid
A compound that yields H+ ions in solutions or a solution with the concentration of H+ exceeding OH-
Actinides
The row of elements below the periodic table, from thorium to lawrencium
Action potential
A large transient depoloarization event, including poloarity reversal, that is conducted along the membrane of a muscle cell or a nerve fiber
Active transport
Membrane transport processes for which ATP is provided (eg. solute pumping and endocytosis
Adaptation
Receive, interpret, and respond to internal and external stimuli via the nervous system
Adhesion
Molecular attraction between dissimilar molecules; attraction between water molecules and molecules that make up the inside of a xylem tube
Adrenergic fibers
Nerve fibers that release norepinephrine
Aerobic
In the presence of oxygen
Afferent (sensory) nerve
Nerve that contains processes of sensory neurons and carries nerve impulses to the CNSA
Agglutination
Clumping of (foreign) cells; induced by crosslinking of antigen-antibody complexes
Agonist
Muscle that bears the major responsiiblity for effecting a particular movement; a primer mover
Alkali metals
The column of elements from lithium to francium
Allele
Any of the alternative forms of a gene