EXAM 1: BIOS252 / BIOS 252 ANATOMY &
PHYSIOLOGY II WITH LAB (LATEST 2025 UPDATES
STUDY BUNDLE WITH COMPLETE SOLUTIONS) | 100%
CORRECT | GRADE A - CHAMBERLAIN
Endomysium .....ANSWER.....thin sleeve of loose connective tissue
around each fiber
Perimysium .....ANSWER.....thicker layer of connective tissue that
wraps fasicles
fascicles .....ANSWER.....bundles of muscle fibers wrapped
together
Epiysium .....ANSWER.....surrounds entire muscle
fascia .....ANSWER.....sheet, band
prime mover (agonist) .....ANSWER.....muscle producing most of
the force during a particular action
synergist .....ANSWER.....muscle that aids the prime mover
,Page 2 of 25
antagonist .....ANSWER.....muscle that opposes the action of the
prime mover
fixator .....ANSWER.....muscles that prevent movement of bone
biceps brachii _____ tricep .....ANSWER.....antagonist
biceps brachii .....ANSWER.....flexes forearm
tricep .....ANSWER.....extension
quadracips and hamstrings .....ANSWER.....antagonist
Quadriceps .....ANSWER.....extension of knee
hamstrings .....ANSWER.....flexion of knee
temporalis .....ANSWER.....elevates and retracts mandible
frontalis .....ANSWER.....draws scalp anteriorly and posteriorly
orbicularis oculi .....ANSWER.....closes eyes
orbicular oris .....ANSWER.....closes and protrudes lips
sternocleidomastoid .....ANSWER.....flexes neck; rotates head
, Page 3 of 25
Diaphragm .....ANSWER.....depresses on inhalation
external intercostals .....ANSWER.....assists with inhalation
internal intercostal .....ANSWER.....assists with forced exhalation
pectoralis major .....ANSWER.....adducts and medially rotates
arm
rectus abdominis .....ANSWER.....flexes vertebral column and
compresses abdomen
deltoid .....ANSWER.....abduct arm
latissimus dorsi .....ANSWER.....extends, adducts, and medially
rotates arm
trapezius .....ANSWER.....laterally flexes neck, shrugs shoulders
biceps brachii ___ .....ANSWER.....flexes at elbow
triceps brachii ___ .....ANSWER.....extension of forearm