Which of these refers to the study of the muscular system? Histology, cytology, myology or lobotomy
myology
Which of these is NOT a property of the muscles? Elasticity, Rigidity, Excitability, or Conductivity
Rigidity
The connective tissue that surrounds the ENTIRE muscle is... Endomysium, epimysium or perimysium
epimysium
True or false: tendons attach muscles to bone
True!
True or false: each skeletal muscle fiber contains one nucleus
False (they each contain multiple peripheral nuclei)
Which of these is the thin contractile filament found in a myofibril? Myosin, sarcomere, actin or T-tubule
actin
In a sarcomere, the "A-band" contains which of the following? Myosin, the Z-line, Actin or Osteons
myosin
When a muscle contracts, which of these does NOT get shorter? Sarcomere, H-zone, I-band or actin filaments
actin filaments
True or false: each muscle cells receives instructions from multiple motor neurons
False (They each receive information from ONE neuron. However, each neuron can send information to multiple cells at the same time)
True or false: muscle hypertrophy is when muscle size shrinks
False (muscle atrophy)
The muscular point of attachment that is moveable is called: Insertion point, Origin point or Action
insertion point
Which one of these muscle types describes the Orbicularis Oculi? Bipennate, Circular, Parallel or Convergent
Circular
Which one of these muscle shapes describes the Deltoid? Fusiform, triangular, quadrate, bicipital
triangular
What is the function of the Orbiculars oculi? Close mouth, Open mouth, Close eye, Open eye
close eye
Which of these is NOT a facial muscle? Serratus anterior, Buccinator, Risorius, Masseter
Serratus anterior
Which of these muscles is more DEEP? Exterior obliques, Interior obliques
interior obliques
Which one of these muscles is NOT part of the rotator cuff? Supraspinatus, Subscapularis, Teres Major, Teres Minor
Teres Major
What is the action of the serratus anterior? Retracts scapula, Protracts scapula, Lifts lip, Depresses lip
protracts scapula
What is the origin of the masseter? Ramus of mandible, temporal fossa, sphenoid, zygomatic arch
zygomatic arch
What is the insertion point of the temporalis? Coronoid process, Temporal fossa, Linea alba, Corocoid process
coroNoid process!