Chamberlain University-Illinois
BIOS 252
BIOS 252 Comprehensive Exam Review
Questions and Answers 2026 Latest Update
layers of epidermis Ans: stratum basale, stratum spinosum, stratum
granulosum, stratum lucidum, stratum corneum
diaphragm muscle Ans: Primary muscle for breathing
Trochanter Ans: bony protrusion at the upper end of the femur
microglial cells Ans: immune/phagocytic cells of CNS, responding to
damage and pathogens
Osteocytes Ans: lacuna, lamellae, canaliculi
vagus nerve Ans: the tenth cranial nerve that innervates digestive organs,
heart and other areas
auditory ossicles (middle ear) Ans: malleus, incus, stapes
synergist muscle Ans: Muscle that assists a prime mover
Agonist muscle Ans: The muscle primarily responsible for movement of a
bone.
muscle contraction Ans: an isotonic contraction is when a muscle produces
limb motion by shortening
Diarthrosis Ans: the coxal (hip) joint
osteocytes Ans: mature bone cells which are found in lacunae
Periosteum Ans: the sheath of tough fibrous collagen and osteogenic bone
forming cells that covers the external surface of a long bone.
Interneuron Ans: a type of neuron directly connects a sensory neuron to a
motor neuron in spinal reflex arc
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