Questions and Correct Answers
Which of the following covers the individual muscle fibers?
A. perimysium
B. endomysium
C. epimysium
D. tendons - ANSWERSEndomysium
Ca2+ is stored in the ________________ of a muscle fiber.
A. perimysium
B. sarcolemma
C. endomysium
D. sarcoplasmic reticulum - ANSWERSSarcoplasmic Reticulum
In muscle tissue in the absence of oxygen, pyruvic acid is converted to:
A. glycogen
B. ATP
C. lactic acid
D. creatine phosphate - ANSWERSLactic Acid
Which molecule is NOT a component of or associated with the thin filament?
A. actin
B. troponin
C. tropomysosin
D. ATP - ANSWERSATP
All of the following are functions of muscles except:
A. stability
B. heat production
C. control of openings
D. secretion
E. respiration - ANSWERSsecretion
Muscle fibers are arranged in bundles called
A. compartments
B. fascicles
, C. retinacula
D. aponeuroses
E. groups - ANSWERSfascicles
Which of the following describes an appearance of red muscular tissue emerging
directly from bone rather than being separated from it by an obvious tendon?
A. fleshly attachment
B. indirect attachment
C. inverted attachment
D. insertion
E. origin - ANSWERSfleshly attachment
The rectus femoris is what muscle shape?
A. fusiform
B parallel
C. triangular
D. elongated
E. pennate - ANSWERSpennate
Which term below best describes the deltoid?
A. fusiform
B. intrinsic
C. involuntary
D. extrinsic
E. parallel - ANSWERSintrinsic
Which term best describes the relationship of the deltoid and SITS muscles during
shoulder abduction?
A. prime movers
B. antagonists
C. synergists
D. fixators
E. adductors - ANSWERSsyngerists
Which of the following muscles is the prime mover for inhalation?
A. internal intercostals
B. external intercostals
C. diaphragm
D. stylohoid
E. hyoglossus - ANSWERSdiaphragm