THIS IS THE PROPERTY OF MUSCLE THAT GIVES IT THE ABILITY TO STRETCH WITHOUT
DAMAGE
E) ELASTICITY
THIS IS A BAND OF CONNECTIVE TISSUE THAT SURROUNDS WHOLE MUSCLES
B) EPIMYSIUM
WHICH OF THE FOLLOWING REPRESENTS THE SEQUENCE THAT MUSCLE ACTION POTENTIALS MUST GO THROUGH TO EXCITE A MUSCLE CELL?
B) AXON OF NEURON, SARCOLEMMA, T TUBULES
THESE ARE THE CONTRACTILE ORGANELLES OF THE MUSCLE FIBER
C) MYOFIBRILS
THIS PART OF THE SKELETAL MUSCLE CELL RELEASES CALCIUM WHEN STIMULATED BY THE T TUBULES
C) TERMINAL CISTERNS OF SARCOPLASMIC RETICULUM
THE SARCOPLASMIC RETICULUM IS USED FOR STORING
E) CA2+
WHAT IS NEEDED FOR THE CONTRACTION CYCLE TO CONTINUE
D) CALCIUM IONS AND ATP
THIS PHASE IS DESCRIBED AS A MUSCLE ACTION POTENTIAL PROPAGATING ALONG THE SARCOLEMMA AND INTO THE T TUBULES
A) EXCITATION
THE SIGNAL TO EXCITE A MUSCLE CELL MUST CROSS THE NEUROMUSCULAR JUNCTION BY THE DIFFUSION OF ACETYLCHOLINE ACROSS THE
B) SYNAPTIC CLEFT
HOW SO MUSCLES PRODUCE ATP?
A) CREATINE PHOSPHATE
B ) ANAEROBIC CELLULAR RESPIRATIONS
C) AEROBIC CELLULAR RESPIRATIONS
D) ALL OF THE ABOVE
E) NONE OF THE ABOVE
C) AEROBIC CELLULAR RESPIRATIONS
THIS CONSISTS OF A SOMATIC MOTOR NEURON PLUS ALL THE SKELETAL MUSCLE FIBERS IT STIMULATES
A) MOTOR UNIT
A UNIQUE CHARACTERISTIC OF CARDIAC MUSCLE TISSUE IS
B) INTERCALATED DISCS
WHICH OF E FOLLOWING EXHIBITS AUTORHYTHMICITY
E) BOTH CARDIAC MUSCLE FIBERS AND VISCERAL SMOOTH MUSCLE FIBERS
ATROPHY IS
E) A LOSS IN SIZE AND STRENGTH OF MUSCLE FIBERS
SKELETAL MUSCLE CELLS
C) CAN BE AS MUCH AS A FOOT LONG
HYPERTROPHY IS
C) AN INCREASE IN THE SIZE OF MUSCLE FIBERS
WHICH OF THE FOLLOWING SURROUNDS THE INDIVIDUAL MUSCLE CELL
C) ENDOMYSIUM
MOTION WILL OCCUR IN A MUSCLE WHEN THE _______ SUPPLIED EXCEEDS THE ______