Exam 1 |comprehensive 60 questions &
verified solutions\correct answers
Sodium - correct answer Main ECF ion.
Potassium - correct answer Main ICF ion.
Mitochondria - correct answer Organelle that produces ATP.
Ribosomes - correct answer Organelles responsible for protein synthesis.
Lysosomes - correct answer Organelles that degrade and recycle waste.
Peroxisomes - correct answer Organelles that break down chemicals into H202, produces free radicals.
Golgi Apparatus - correct answer Organelle responsible for packaging and distribution.
Smooth Endoplasmic Reticulum - correct answer Organelle that synthesizes steroids and detoxification.
Tight Junction - correct answer Impermeable junction; strength.
Gap Junction - correct answer Junction that allows for conductivity, synchronizes contractions of cardiac
muscle through ionic coupling.
Desmosomes - correct answer Junctions that hold cells together by continuous bands or belts of epithelial
sheets or button-like points of contact.
, Diffusion, Facilitated Diffusion, and Osmosis - correct answer Non-energy forms of transport.
Active Transport - correct answer Energy-requiring movement of molecules across a membrane, example
is Na/K pump.
Hypotonic Fluid - correct answer Causes cells to swell.
Hypertonic Fluid - correct answer Causes cells to srhink.
36 ATP - correct answer How many ATP are produced in aerobic respiration?
2 ATP - correct answer How much ATP can anaerobic respiration make?
Hypoxia - correct answer #1 cause of cellular injury.
Lactic Acid - correct answer Indication of cell death. Build up leads to metabolic acidosis.
Reactive Oxidative Stress - correct answer Caused by free radicals produced by peroxisomes. Antioxidants
such as fresh fruits and vegetables give an electron to an unpaired molecule.
Hemosiderosis - correct answer Too much iron in tissues.
Acetaldehyde - correct answer An intermediate in alcohol metabolism.
Atrophy - correct answer Thymus gland, muscle wasting.
Hypertrophy - correct answer Muscle growth, CHF.
Hyperplasia - correct answer Liver cell regeneration, endometrial.