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BIO 166

Anatomy & Physiology II

QuestionAnswer
What is an acid? solute that "gives up"/releases hydrogen ions; changes color of phenol red dye from red to yellow.
What is a base? attract hydrogen ions; changes color of phenol red dye from yellow to to red; hydroxyl ion(OH )best known and most powerful.
What does pH stand for? Potential of Hydrogen
What does pH do? measures concentration of hydrogen ions.
What is the pH scale? ranges from 0 to 14;
What is a buffer and what does it do? compound that stabilizes pH of solution by removing or adding hydrogen ions; maintains pH of body fluids within normal limits.
What is an enzyme? a protein that selectively speeds up chemical reactions without being changed.
What is an enzyme's function? decreases activation of energy needed to start a chemical reaction; reactions release/absorb energy(heat).
What is meant by the terms exergonic/exothermic? release of energy "out"
What is meant by the terms endergonic/endothermic? absorb energy "in"
What is matter? everything around you; everything that has mass and occupies space.
What is the brain known as? control center of the body.
Which part of the brain maintains balance? Cerebellum
Where is the visual cortex? Occipital lobe.
What neurotransmitter is missing in Parkinson's disease? Dopamine
What is the largest region ofthe brain? Cerebrum
What is the name of the fissure that separates the two hemispheres of the brain? Longitudinal Fissure.
What makes up the Diencephalon? The Thalamus and the Hypothalamus.
What are the ridges/folds of the brain called? Gyrus/Gyri.
What are the depressions/grooves of the brain called? Sulcus/Sulci.
Where is the Cerebellum located? the oval mass in the back of the brain.
Where is the Pons located? the bulge on the brain stem.
What makes up the brain stem? Mesencephalon/Midbrain, Pons, and Medulla Oblongata.
Created by: aliaandboosmom
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