NUR134: Biochemistry, Homeostasis, and
Inflammation UPDATED ACTUAL Exam
Questions and CORRECT Answers
Homeostasis - CORRECT ANSWER The maintenance of stable internal conditions in the
body despite changes in the external environment.
Feedback Mechanism - CORRECT ANSWER A process that uses the conditions of a
system to regulate its functioning, which can be negative or positive.
Negative Feedback - CORRECT ANSWER A feedback mechanism that reduces or shuts
off the original stimulus to maintain homeostasis.
Positive Feedback - CORRECT ANSWER A feedback mechanism that enhances or
exaggerates the original stimulus, often leading to a cascade effect.
Molecule - CORRECT ANSWER A general term for two or more atoms bonded together,
such as O2.
Compound - CORRECT ANSWER A specific type of molecule that consists of two or
more different kinds of atoms bonded together, like H2O.
Solution - CORRECT ANSWER A homogeneous mixture where solute particles are
evenly distributed throughout the solvent, typically transparent.
Colloid - CORRECT ANSWER A heterogeneous mixture where particles are not evenly
distributed, resulting in a cloudy appearance but no settling out.
Suspension - CORRECT ANSWER A heterogeneous mixture containing large, visible
solutes that settle out over time.
, Chemical Reaction - CORRECT ANSWER A process where chemical bonds between
atoms or molecules are formed, rearranged, or broken.
Synthesis Reaction - CORRECT ANSWER A type of chemical reaction where smaller
molecules combine to form a larger, more complex molecule.
Decomposition Reaction - CORRECT ANSWER A chemical reaction that breaks down a
molecule into smaller, simpler molecules.
Exchange Reaction - CORRECT ANSWER A chemical reaction that involves both the
formation and breaking of bonds, resulting in the exchange of components.
ATP - CORRECT ANSWER A molecule that serves as the primary energy carrier in cells,
transferring energy through the release of phosphate groups.
Inflammation - CORRECT ANSWER A localized response of body tissues to injury or
infection, characterized by redness, heat, swelling, and pain.
Fever - CORRECT ANSWER An increase in body temperature as a systemic response to
infection or inflammation, aimed at enhancing immune function.
Acid - CORRECT ANSWER A substance that donates protons (H+) in a solution,
typically having a pH less than 7.
Base - CORRECT ANSWER A substance that accepts protons (H+) in a solution,
typically having a pH greater than 7.
pH - CORRECT ANSWER A measure of the acidity or alkalinity of a solution, on a scale
from 0 to 14.
Inflammation UPDATED ACTUAL Exam
Questions and CORRECT Answers
Homeostasis - CORRECT ANSWER The maintenance of stable internal conditions in the
body despite changes in the external environment.
Feedback Mechanism - CORRECT ANSWER A process that uses the conditions of a
system to regulate its functioning, which can be negative or positive.
Negative Feedback - CORRECT ANSWER A feedback mechanism that reduces or shuts
off the original stimulus to maintain homeostasis.
Positive Feedback - CORRECT ANSWER A feedback mechanism that enhances or
exaggerates the original stimulus, often leading to a cascade effect.
Molecule - CORRECT ANSWER A general term for two or more atoms bonded together,
such as O2.
Compound - CORRECT ANSWER A specific type of molecule that consists of two or
more different kinds of atoms bonded together, like H2O.
Solution - CORRECT ANSWER A homogeneous mixture where solute particles are
evenly distributed throughout the solvent, typically transparent.
Colloid - CORRECT ANSWER A heterogeneous mixture where particles are not evenly
distributed, resulting in a cloudy appearance but no settling out.
Suspension - CORRECT ANSWER A heterogeneous mixture containing large, visible
solutes that settle out over time.
, Chemical Reaction - CORRECT ANSWER A process where chemical bonds between
atoms or molecules are formed, rearranged, or broken.
Synthesis Reaction - CORRECT ANSWER A type of chemical reaction where smaller
molecules combine to form a larger, more complex molecule.
Decomposition Reaction - CORRECT ANSWER A chemical reaction that breaks down a
molecule into smaller, simpler molecules.
Exchange Reaction - CORRECT ANSWER A chemical reaction that involves both the
formation and breaking of bonds, resulting in the exchange of components.
ATP - CORRECT ANSWER A molecule that serves as the primary energy carrier in cells,
transferring energy through the release of phosphate groups.
Inflammation - CORRECT ANSWER A localized response of body tissues to injury or
infection, characterized by redness, heat, swelling, and pain.
Fever - CORRECT ANSWER An increase in body temperature as a systemic response to
infection or inflammation, aimed at enhancing immune function.
Acid - CORRECT ANSWER A substance that donates protons (H+) in a solution,
typically having a pH less than 7.
Base - CORRECT ANSWER A substance that accepts protons (H+) in a solution,
typically having a pH greater than 7.
pH - CORRECT ANSWER A measure of the acidity or alkalinity of a solution, on a scale
from 0 to 14.
