UNDERSTANDING
PATHOPHYSIOLOGY 7TH EDITION
REVIEW SHEET 2026 FULL
QUESTIONS AND CORRECT
SOLUTIONS
◉ Nucleus. Answer: Membrane-bound structure housing DNA in
eukaryotes.
◉ Respiration. Answer: Process of absorbing oxygen to produce energy.
◉ Nucleolus. Answer: Region within nucleus containing genetic
material.
◉ Integral membrane proteins. Answer: Dissolve bilayer to remove
attached proteins.
◉ Ligands. Answer: Molecules that bind to plasma membrane receptors.
◉ Fibronectin. Answer: Extracellular matrix protein decreased in
metastatic cancer.
◉ Cell junction. Answer: Structure allowing direct communication
between adjacent cells.
,◉ Paracrine signaling. Answer: Local chemical mediators affecting
nearby cells.
◉ Enzyme affinity. Answer: High attraction of enzymes to specific
substrates.
◉ Metabolic absorption. Answer: Cellular process of nutrient uptake for
energy.
◉ Cell adhesion molecules. Answer: Proteins that help cells stick to
each other.
◉ Glycoproteins. Answer: Proteins with carbohydrate chains, marking
cell identity.
◉ Gap junction. Answer: Channels allowing communication between
adjacent cells.
◉ Desmosome. Answer: Structure providing mechanical stability
between cells.
◉ Tight junction. Answer: Barrier preventing leakage between epithelial
cells.
,◉ Mitochondria. Answer: Organelles responsible for cellular respiration.
◉ Ribosomes. Answer: Sites of protein synthesis within the cell.
◉ Cytoplasm. Answer: Fluid component of the cell, excluding nucleus.
◉ Collagen. Answer: Structural protein in extracellular matrix,
providing support.
◉ Elastin. Answer: Protein allowing elasticity in tissues.
◉ Alpha cells. Answer: Pancreatic cells that secrete glucagon.
◉ Beta cells. Answer: Pancreatic cells that secrete insulin.
◉ Paracrine signaling. Answer: Local chemical mediators quickly taken
up or destroyed.
◉ Enzyme affinity. Answer: Each enzyme has high affinity for a
substrate.
◉ ATP deficiency. Answer: Lack of ATP impairs muscle contraction.
◉ Citric acid cycle. Answer: Phase producing most ATP in catabolism.
, ◉ Phases of catabolism. Answer: Includes digestion, glycolysis,
oxidation, citric acid cycle.
◉ Anaerobic glycolysis. Answer: Occurs without oxygen for continued
muscle performance.
◉ Diffusion. Answer: Movement of solute from high to low
concentration.
◉ Electrolytes. Answer: Electrically charged molecules essential for
bodily functions.
◉ Oncotic pressure. Answer: Determined by concentration of plasma
proteins.
◉ Hydrostatic pressure. Answer: Force of fluid against a cell membrane.
◉ Active transport. Answer: Movement of molecules against a
concentration gradient.
◉ Osmosis. Answer: Movement of water across a semipermeable
membrane.
PATHOPHYSIOLOGY 7TH EDITION
REVIEW SHEET 2026 FULL
QUESTIONS AND CORRECT
SOLUTIONS
◉ Nucleus. Answer: Membrane-bound structure housing DNA in
eukaryotes.
◉ Respiration. Answer: Process of absorbing oxygen to produce energy.
◉ Nucleolus. Answer: Region within nucleus containing genetic
material.
◉ Integral membrane proteins. Answer: Dissolve bilayer to remove
attached proteins.
◉ Ligands. Answer: Molecules that bind to plasma membrane receptors.
◉ Fibronectin. Answer: Extracellular matrix protein decreased in
metastatic cancer.
◉ Cell junction. Answer: Structure allowing direct communication
between adjacent cells.
,◉ Paracrine signaling. Answer: Local chemical mediators affecting
nearby cells.
◉ Enzyme affinity. Answer: High attraction of enzymes to specific
substrates.
◉ Metabolic absorption. Answer: Cellular process of nutrient uptake for
energy.
◉ Cell adhesion molecules. Answer: Proteins that help cells stick to
each other.
◉ Glycoproteins. Answer: Proteins with carbohydrate chains, marking
cell identity.
◉ Gap junction. Answer: Channels allowing communication between
adjacent cells.
◉ Desmosome. Answer: Structure providing mechanical stability
between cells.
◉ Tight junction. Answer: Barrier preventing leakage between epithelial
cells.
,◉ Mitochondria. Answer: Organelles responsible for cellular respiration.
◉ Ribosomes. Answer: Sites of protein synthesis within the cell.
◉ Cytoplasm. Answer: Fluid component of the cell, excluding nucleus.
◉ Collagen. Answer: Structural protein in extracellular matrix,
providing support.
◉ Elastin. Answer: Protein allowing elasticity in tissues.
◉ Alpha cells. Answer: Pancreatic cells that secrete glucagon.
◉ Beta cells. Answer: Pancreatic cells that secrete insulin.
◉ Paracrine signaling. Answer: Local chemical mediators quickly taken
up or destroyed.
◉ Enzyme affinity. Answer: Each enzyme has high affinity for a
substrate.
◉ ATP deficiency. Answer: Lack of ATP impairs muscle contraction.
◉ Citric acid cycle. Answer: Phase producing most ATP in catabolism.
, ◉ Phases of catabolism. Answer: Includes digestion, glycolysis,
oxidation, citric acid cycle.
◉ Anaerobic glycolysis. Answer: Occurs without oxygen for continued
muscle performance.
◉ Diffusion. Answer: Movement of solute from high to low
concentration.
◉ Electrolytes. Answer: Electrically charged molecules essential for
bodily functions.
◉ Oncotic pressure. Answer: Determined by concentration of plasma
proteins.
◉ Hydrostatic pressure. Answer: Force of fluid against a cell membrane.
◉ Active transport. Answer: Movement of molecules against a
concentration gradient.
◉ Osmosis. Answer: Movement of water across a semipermeable
membrane.
