TSAC-F CHAPTER 3 UPDATED QUESTIONS AND
ANSWERS
Hyaline Cartilage - CORRECT ANSWER✅✅✅Provides a combination of flexibility and support and is
the most abundant type of cartilage in the body (ex: trachea, most joints)
Elastic Cartilage - CORRECT ANSWER✅✅✅Designed to withstand regular bending and contortion,
immediately returning to its original state (ex: external ear)
Fibrocartilage - CORRECT ANSWER✅✅✅Intended to withstand heavy downward pressure and stress
(ex: intervertebral discs)
Ossification - CORRECT ANSWER✅✅✅process of bone formation
Lamellae - CORRECT ANSWER✅✅✅Concentric rings made up of groups of hollow tubes of bone
matrix
Spongy/Cancellous - CORRECT ANSWER✅✅✅Honeycomb appearance and is found at the knobby
ends, or epiphyses, of long bones (red and yellow bone marrow)
Osteoblasts - CORRECT ANSWER✅✅✅Bone forming cells
Osteoclasts - CORRECT ANSWER✅✅✅Bone destroying cells
Excitability - CORRECT ANSWER✅✅✅The ability of skeletal muscle to respond to electrical stimuli
Contractility - CORRECT ANSWER✅✅✅The capacity of skeletal muscle to shorten and generate force
Extensibility - CORRECT ANSWER✅✅✅Potential of muscle to stretch beyond its normal resting
length
, Elasticity - CORRECT ANSWER✅✅✅the ability of muscle to return to its resting length after it is
stretched
Prime Movers - CORRECT ANSWER✅✅✅Agonists
Antagonists - CORRECT ANSWER✅✅✅Muscle that oppose the movement generated by agonists
Synergists - CORRECT ANSWER✅✅✅Muscles other than agonists that assist in the movement
Perimysium - CORRECT ANSWER✅✅✅Connective tissue surrounding a fascicle
Epimysium - CORRECT ANSWER✅✅✅Surrounds entire muscle
Endomysium - CORRECT ANSWER✅✅✅Connective tissue surrounding a muscle cell
Muscle Fibers - CORRECT ANSWER✅✅✅Individual muscle cells
Myofilaments - CORRECT ANSWER✅✅✅The contractile proteins, actin and myosin, of muscle cells
Myosin - CORRECT ANSWER✅✅✅Thick filament
Actin - CORRECT ANSWER✅✅✅Thin filament
Sarcomere - CORRECT ANSWER✅✅✅Contractile unit of a muscle
Power Stroke - CORRECT ANSWER✅✅✅Action of myosin pulling actin inward (toward the M line)
ANSWERS
Hyaline Cartilage - CORRECT ANSWER✅✅✅Provides a combination of flexibility and support and is
the most abundant type of cartilage in the body (ex: trachea, most joints)
Elastic Cartilage - CORRECT ANSWER✅✅✅Designed to withstand regular bending and contortion,
immediately returning to its original state (ex: external ear)
Fibrocartilage - CORRECT ANSWER✅✅✅Intended to withstand heavy downward pressure and stress
(ex: intervertebral discs)
Ossification - CORRECT ANSWER✅✅✅process of bone formation
Lamellae - CORRECT ANSWER✅✅✅Concentric rings made up of groups of hollow tubes of bone
matrix
Spongy/Cancellous - CORRECT ANSWER✅✅✅Honeycomb appearance and is found at the knobby
ends, or epiphyses, of long bones (red and yellow bone marrow)
Osteoblasts - CORRECT ANSWER✅✅✅Bone forming cells
Osteoclasts - CORRECT ANSWER✅✅✅Bone destroying cells
Excitability - CORRECT ANSWER✅✅✅The ability of skeletal muscle to respond to electrical stimuli
Contractility - CORRECT ANSWER✅✅✅The capacity of skeletal muscle to shorten and generate force
Extensibility - CORRECT ANSWER✅✅✅Potential of muscle to stretch beyond its normal resting
length
, Elasticity - CORRECT ANSWER✅✅✅the ability of muscle to return to its resting length after it is
stretched
Prime Movers - CORRECT ANSWER✅✅✅Agonists
Antagonists - CORRECT ANSWER✅✅✅Muscle that oppose the movement generated by agonists
Synergists - CORRECT ANSWER✅✅✅Muscles other than agonists that assist in the movement
Perimysium - CORRECT ANSWER✅✅✅Connective tissue surrounding a fascicle
Epimysium - CORRECT ANSWER✅✅✅Surrounds entire muscle
Endomysium - CORRECT ANSWER✅✅✅Connective tissue surrounding a muscle cell
Muscle Fibers - CORRECT ANSWER✅✅✅Individual muscle cells
Myofilaments - CORRECT ANSWER✅✅✅The contractile proteins, actin and myosin, of muscle cells
Myosin - CORRECT ANSWER✅✅✅Thick filament
Actin - CORRECT ANSWER✅✅✅Thin filament
Sarcomere - CORRECT ANSWER✅✅✅Contractile unit of a muscle
Power Stroke - CORRECT ANSWER✅✅✅Action of myosin pulling actin inward (toward the M line)
