OpenStax Anatomy & Physiology 2e Answer Key
questions and well verified answers
Fatty acid catabolism
Breakdown of fatty acids for energy.
X-rays
Radiographic imaging using ionizing radiation.
PET scans
Imaging to assess chemotherapy response.
Anatomy and physiology
Study of body structure and function.
Chemical level
Basic level of organization involving atoms.
Cellular level
Level of organization involving cells.
Tissue level
Level of organization involving groups of cells.
Organ level
Level of organization involving specific structures.
Organ system level
Level of organization involving groups of organs.
Organism level
Highest level of organization, entire living being.
Negative feedback loop
Regulatory mechanism to maintain homeostasis.
Stimulus
,Change that initiates a response in feedback loops.
Sensor
Detects changes in the internal environment.
Control center
Processes information and determines response.
Effector
Carries out response to restore balance.
MRI scanner
Imaging technique using magnetic fields.
Mass number
Total protons and neutrons in an atom.
Hydrolysis
Chemical breakdown involving water.
Monosaccharides
Simple sugars, basic units of carbohydrates.
Octet rule
Atoms are stable with eight electrons in valence shell.
Polar molecule
Molecule with uneven distribution of charge.
Exchange reaction
Reaction where components swap partners.
Dehydration synthesis
Process of forming larger molecules by removing water.
Diffusion
Movement of molecules from high to low concentration.
Osmosis
, Diffusion of water across a semipermeable membrane.
Peroxisomes
Organelles that detoxify substances using enzymes.
Lysosomes
Organelles that digest unwanted materials.
Transcription
Process of copying DNA to RNA.
Translation
Process of converting RNA to protein.
Cyclin
Protein regulating the cell cycle.
Somatic stem cells
Stem cells with limited differentiation potential.
Epithelial tissue
Covers surfaces and lines cavities.
Connective tissue
Supports, binds, and protects body structures.
Muscle tissue
Tissue that contracts for movement.
Nervous tissue
Transmits signals as electrical impulses.
Synovial membranes
Connective tissue membranes supporting joint mobility.
Blood
Fluid connective tissue with specialized circulating cells.
Erythrocytes
questions and well verified answers
Fatty acid catabolism
Breakdown of fatty acids for energy.
X-rays
Radiographic imaging using ionizing radiation.
PET scans
Imaging to assess chemotherapy response.
Anatomy and physiology
Study of body structure and function.
Chemical level
Basic level of organization involving atoms.
Cellular level
Level of organization involving cells.
Tissue level
Level of organization involving groups of cells.
Organ level
Level of organization involving specific structures.
Organ system level
Level of organization involving groups of organs.
Organism level
Highest level of organization, entire living being.
Negative feedback loop
Regulatory mechanism to maintain homeostasis.
Stimulus
,Change that initiates a response in feedback loops.
Sensor
Detects changes in the internal environment.
Control center
Processes information and determines response.
Effector
Carries out response to restore balance.
MRI scanner
Imaging technique using magnetic fields.
Mass number
Total protons and neutrons in an atom.
Hydrolysis
Chemical breakdown involving water.
Monosaccharides
Simple sugars, basic units of carbohydrates.
Octet rule
Atoms are stable with eight electrons in valence shell.
Polar molecule
Molecule with uneven distribution of charge.
Exchange reaction
Reaction where components swap partners.
Dehydration synthesis
Process of forming larger molecules by removing water.
Diffusion
Movement of molecules from high to low concentration.
Osmosis
, Diffusion of water across a semipermeable membrane.
Peroxisomes
Organelles that detoxify substances using enzymes.
Lysosomes
Organelles that digest unwanted materials.
Transcription
Process of copying DNA to RNA.
Translation
Process of converting RNA to protein.
Cyclin
Protein regulating the cell cycle.
Somatic stem cells
Stem cells with limited differentiation potential.
Epithelial tissue
Covers surfaces and lines cavities.
Connective tissue
Supports, binds, and protects body structures.
Muscle tissue
Tissue that contracts for movement.
Nervous tissue
Transmits signals as electrical impulses.
Synovial membranes
Connective tissue membranes supporting joint mobility.
Blood
Fluid connective tissue with specialized circulating cells.
Erythrocytes
