SPEX303 FINAL EXAM WITH ACTUAL
QUESTIONS AND ANSWERS ALL QUALIFIED
100%.
What -structure -below, -found -in -skeletal -muscle, -surrounds -individual -fascicles? -- -CORRECCT -
ANSWER -- -Perimysium
The -point -at -which -a -branch -of -an -axon -from -the -CNS -"connects" -with -the -Sarcolemmal -or -
muscle -membrane -is -termed? -- -CORRECCT -ANSWER -- -Neuromuscular -junction
A -muscle -fiber -with -a -high -capacity -for -oxidative -metabolism -would -most -likely -be -a -- -
CORRECCT -ANSWER -- -red -fiber
After -an -exhaustive -bout -(without -lactate -build-up -in -the -blood) -of -continuous -cycling -for -95-
minutes, -a -muscle -biopsy -from -your -vastus -lateralis -muscle -(quad) -is -taken. -You -would -expect -
the -analyzed -sample -from -your -muscle -to -have -- -CORRECCT -ANSWER -- -depleted -glycogen -
stores
You -are -studying -the -effects -of -an -anti-depressant -drug, -so -you -feed -one -study -group -the -
drug, -one -group -caffeinated -coffee, -and -one -group -de-caffeinated -coffee -for -one -week. -All -
groups -believe -they're -ingesting -the -"happy -drug." -To -your -surprise, -all -groups -turn -out -
"happier" -when -assessed -on -"happiness" -from -pre -to -post -test. -What -occurred -during -the -
course -of -this -study? -- -CORRECCT -ANSWER -- -a -placebo -effect
The -principle -of -orderly -recruitment -related -to -muscle -fiber -type -indicates -- -CORRECCT -
ANSWER -- -fibers -are -recruited -smallest -to -largest
A -marathon -runner's -legs -begin -to -fatigue -absolutely -during -the -final -10k -(6.2 -mi) -of -a -
marathon -(26.2 -miles) -and -all -the -glycogen -in -the -slow -oxidative -and -fast -oxidative -glycolytic -
fibers -is -used -up; -what -fiber -type -is -she -most -likely -relying -on -at -this -point? -- -CORRECCT -
ANSWER -- -Type -IIx
,If -you -had -75% -fast -twitch -muscle -fibers -in -your -quadriceps -muscle, -what -would -be -your -
probable -force -and -speed -of -contraction/muscle -action? -- -CORRECCT -ANSWER -- -fast
When -thinking -of -the -fiber -to -nerve -ratio -(F:N), -which -ratio(s) -below -would -be -recruited -
during -a -maximal -lift -(1 -repetition -maximum -or -RM) -in -the -quad, -for -instance? -Think -about -
what -would -happen -"in" -the -entire -muscle -- -CORRECCT -ANSWER -- -All -of -the -above
A -motor -unit -is -comprised -of -which -of -the -following -structures? -- -CORRECCT -ANSWER -- -Alpha
-motor -neuron -and -muscle -fibers
This -type -of -muscle -fiber -has -"smaller" -neuron -enervations -& -an -overall -smaller -fiber -diameter
-vs -fast -twitch -fibers -- -CORRECCT -ANSWER -- -ST
A -characteristic(s) -of -an -FT -fiber -is -- -CORRECCT -ANSWER -- -fast -speed -of -contraction
During -a -long, -steep, -slow -downhill -run, -your -quad -muscle -is -lengthening -under -great -tension -
(eccentric -action). -You -now -decide -to -greatly -pick -up -the -pace -and -are -running -fast -downhill. -
What -is -happening -to -force -generation -in -the -quad -as -you -"pound" -down -the -pavement -while
-increasing -the -rate -or -speed -of -eccentric -action? -- -CORRECCT -ANSWER -- -increasing
Is -muscle -fiber -type -distribution -genetic? -What -type -of -studies -have -proved -or -disproved -this -
concept? -- -CORRECCT -ANSWER -- -identical -twin -studies
An -action -potential -occurs -and -is -quickly -reversed. -Which -of -the -following -minerals -is -
responsible -for -repolarization -of -the -cell -membrane? -- -CORRECCT -ANSWER -- -K+
In -order -for -you -to -contract -muscle -or -to -respond -to -a -painful -situation, -this -type -of -
neurological -signal(s) -has -to -be -sent? -- -CORRECCT -ANSWER -- -A -and -B
a.afferent -signal
b.efferent -signal
c.A -& -B
,A -cross -over, -double -blind -study -indicates -that -- -CORRECCT -ANSWER -- -all -of -the -above -is -true
a.all -subjects -receive -the -treatment
b.researchers -working -with -the -subjects -do -not -know -who -is -getting -the -treatment
c.subjects -do -not -know -if -they're -receiving -the -treatment
d.all -of -the -above -is -true
An -example -of -a -field -test -(versus -a -lab -test) -is -a(n) -- -CORRECCT -ANSWER -- -1.5 -mile -walk -
test -on -the -track
Anaerobic -fibers -contain -more -stored -____________ -versus -slow -twitch -fibers -- -CORRECCT -
ANSWER -- -glycogen
A -single -muscle -fiber -contains -- -CORRECCT -ANSWER -- -all -of -the -above
a.sarcoplasmic -reticulum
b.mitochondria
c.t-tubules
d.all -of -the -above
A -sarcomere, -the -smallest -contractile -unit -of -a -muscle -fiber, -contains -- -CORRECCT -ANSWER -- -
all -of -the -above
a.actin -and -myosin
b.cytoskeleton -structures
c.dark -and -light -areas
d.titin
e.all -of -the -above
Which -one -of -the -following -is -not -part -of -a -nerve -cell? -- -CORRECCT -ANSWER -- -T-tubule
, Depolarization -of -a -nerve -cell -or -motor -unit -begins -when -- -CORRECCT -ANSWER -- -threshold -is -
met
How -many -ATP -are -produced -when -blood -glucose -is -partially -oxidized, -such -that -pyruvic -acid -
is -converted -to -lactic -acid -to -lactate -+ -H+? -- -CORRECCT -ANSWER -- -2
How -many -ATP -are -produced -when -glycogen -is -partially -oxidized -to -pyruvic -acid -then -lactic -
acid -to -lactate -+ -H+? -- -CORRECCT -ANSWER -- -3
How -many -ATP -are -produced -when -glycogen -in -the -muscle -is -completely -oxidized? -- -
CORRECCT -ANSWER -- -39
How -many -ATP -are -oxidized/produced -when, -for -instance, -a -16-carbon -free -fatty -acid -(FFA) -is -
completely -metabolized? -- -CORRECCT -ANSWER -- -130
Which -of -the -following -"senses" -too -much -stretch -on -a -muscle -and -counters -with -a -muscular -
contraction -or -reaction -to -resist -further -stretching? -- -CORRECCT -ANSWER -- -Muscle -spindles
Which -of -the -following -"senses" -too -much -tension -on -a -muscle -and -counters -with -relaxation -
of -the -muscle -fiber -to -reduce -possible -injury? -It -is -embedded -in -the -proximal -tendinous -area -
- -CORRECCT -ANSWER -- -Golgi -tendon -organs
Which -of -the -following -may -actually -disinhibit -the -active -muscle, -such -as -through -consistent -
strength -training? -This -allows -the -agonist -(i.e., -targeted -muscle) -to -contract -more -forcefully -or -
with -greater -"tension" -- -CORRECCT -ANSWER -- -Golgi -tendon -organs
What -part -of -the -autonomic -nervous -system -induces -increases -in -the -catecholamines, -and -
thereby -helps -increase -heart -rate, -breathing -rate, -heart -contractility, -and -blood -pressure -during
-exercise? -- -CORRECCT -ANSWER -- -sympathetic -system
What -part -of -the -autonomic -nervous, -when -"trained," -will -cause -positive -decrementsin -resting -
heart -rate -and -heart -rate -recovery -after -exhaustive -or -moderate -exercise? -- -CORRECCT -
ANSWER -- -parasympathetic -system
QUESTIONS AND ANSWERS ALL QUALIFIED
100%.
What -structure -below, -found -in -skeletal -muscle, -surrounds -individual -fascicles? -- -CORRECCT -
ANSWER -- -Perimysium
The -point -at -which -a -branch -of -an -axon -from -the -CNS -"connects" -with -the -Sarcolemmal -or -
muscle -membrane -is -termed? -- -CORRECCT -ANSWER -- -Neuromuscular -junction
A -muscle -fiber -with -a -high -capacity -for -oxidative -metabolism -would -most -likely -be -a -- -
CORRECCT -ANSWER -- -red -fiber
After -an -exhaustive -bout -(without -lactate -build-up -in -the -blood) -of -continuous -cycling -for -95-
minutes, -a -muscle -biopsy -from -your -vastus -lateralis -muscle -(quad) -is -taken. -You -would -expect -
the -analyzed -sample -from -your -muscle -to -have -- -CORRECCT -ANSWER -- -depleted -glycogen -
stores
You -are -studying -the -effects -of -an -anti-depressant -drug, -so -you -feed -one -study -group -the -
drug, -one -group -caffeinated -coffee, -and -one -group -de-caffeinated -coffee -for -one -week. -All -
groups -believe -they're -ingesting -the -"happy -drug." -To -your -surprise, -all -groups -turn -out -
"happier" -when -assessed -on -"happiness" -from -pre -to -post -test. -What -occurred -during -the -
course -of -this -study? -- -CORRECCT -ANSWER -- -a -placebo -effect
The -principle -of -orderly -recruitment -related -to -muscle -fiber -type -indicates -- -CORRECCT -
ANSWER -- -fibers -are -recruited -smallest -to -largest
A -marathon -runner's -legs -begin -to -fatigue -absolutely -during -the -final -10k -(6.2 -mi) -of -a -
marathon -(26.2 -miles) -and -all -the -glycogen -in -the -slow -oxidative -and -fast -oxidative -glycolytic -
fibers -is -used -up; -what -fiber -type -is -she -most -likely -relying -on -at -this -point? -- -CORRECCT -
ANSWER -- -Type -IIx
,If -you -had -75% -fast -twitch -muscle -fibers -in -your -quadriceps -muscle, -what -would -be -your -
probable -force -and -speed -of -contraction/muscle -action? -- -CORRECCT -ANSWER -- -fast
When -thinking -of -the -fiber -to -nerve -ratio -(F:N), -which -ratio(s) -below -would -be -recruited -
during -a -maximal -lift -(1 -repetition -maximum -or -RM) -in -the -quad, -for -instance? -Think -about -
what -would -happen -"in" -the -entire -muscle -- -CORRECCT -ANSWER -- -All -of -the -above
A -motor -unit -is -comprised -of -which -of -the -following -structures? -- -CORRECCT -ANSWER -- -Alpha
-motor -neuron -and -muscle -fibers
This -type -of -muscle -fiber -has -"smaller" -neuron -enervations -& -an -overall -smaller -fiber -diameter
-vs -fast -twitch -fibers -- -CORRECCT -ANSWER -- -ST
A -characteristic(s) -of -an -FT -fiber -is -- -CORRECCT -ANSWER -- -fast -speed -of -contraction
During -a -long, -steep, -slow -downhill -run, -your -quad -muscle -is -lengthening -under -great -tension -
(eccentric -action). -You -now -decide -to -greatly -pick -up -the -pace -and -are -running -fast -downhill. -
What -is -happening -to -force -generation -in -the -quad -as -you -"pound" -down -the -pavement -while
-increasing -the -rate -or -speed -of -eccentric -action? -- -CORRECCT -ANSWER -- -increasing
Is -muscle -fiber -type -distribution -genetic? -What -type -of -studies -have -proved -or -disproved -this -
concept? -- -CORRECCT -ANSWER -- -identical -twin -studies
An -action -potential -occurs -and -is -quickly -reversed. -Which -of -the -following -minerals -is -
responsible -for -repolarization -of -the -cell -membrane? -- -CORRECCT -ANSWER -- -K+
In -order -for -you -to -contract -muscle -or -to -respond -to -a -painful -situation, -this -type -of -
neurological -signal(s) -has -to -be -sent? -- -CORRECCT -ANSWER -- -A -and -B
a.afferent -signal
b.efferent -signal
c.A -& -B
,A -cross -over, -double -blind -study -indicates -that -- -CORRECCT -ANSWER -- -all -of -the -above -is -true
a.all -subjects -receive -the -treatment
b.researchers -working -with -the -subjects -do -not -know -who -is -getting -the -treatment
c.subjects -do -not -know -if -they're -receiving -the -treatment
d.all -of -the -above -is -true
An -example -of -a -field -test -(versus -a -lab -test) -is -a(n) -- -CORRECCT -ANSWER -- -1.5 -mile -walk -
test -on -the -track
Anaerobic -fibers -contain -more -stored -____________ -versus -slow -twitch -fibers -- -CORRECCT -
ANSWER -- -glycogen
A -single -muscle -fiber -contains -- -CORRECCT -ANSWER -- -all -of -the -above
a.sarcoplasmic -reticulum
b.mitochondria
c.t-tubules
d.all -of -the -above
A -sarcomere, -the -smallest -contractile -unit -of -a -muscle -fiber, -contains -- -CORRECCT -ANSWER -- -
all -of -the -above
a.actin -and -myosin
b.cytoskeleton -structures
c.dark -and -light -areas
d.titin
e.all -of -the -above
Which -one -of -the -following -is -not -part -of -a -nerve -cell? -- -CORRECCT -ANSWER -- -T-tubule
, Depolarization -of -a -nerve -cell -or -motor -unit -begins -when -- -CORRECCT -ANSWER -- -threshold -is -
met
How -many -ATP -are -produced -when -blood -glucose -is -partially -oxidized, -such -that -pyruvic -acid -
is -converted -to -lactic -acid -to -lactate -+ -H+? -- -CORRECCT -ANSWER -- -2
How -many -ATP -are -produced -when -glycogen -is -partially -oxidized -to -pyruvic -acid -then -lactic -
acid -to -lactate -+ -H+? -- -CORRECCT -ANSWER -- -3
How -many -ATP -are -produced -when -glycogen -in -the -muscle -is -completely -oxidized? -- -
CORRECCT -ANSWER -- -39
How -many -ATP -are -oxidized/produced -when, -for -instance, -a -16-carbon -free -fatty -acid -(FFA) -is -
completely -metabolized? -- -CORRECCT -ANSWER -- -130
Which -of -the -following -"senses" -too -much -stretch -on -a -muscle -and -counters -with -a -muscular -
contraction -or -reaction -to -resist -further -stretching? -- -CORRECCT -ANSWER -- -Muscle -spindles
Which -of -the -following -"senses" -too -much -tension -on -a -muscle -and -counters -with -relaxation -
of -the -muscle -fiber -to -reduce -possible -injury? -It -is -embedded -in -the -proximal -tendinous -area -
- -CORRECCT -ANSWER -- -Golgi -tendon -organs
Which -of -the -following -may -actually -disinhibit -the -active -muscle, -such -as -through -consistent -
strength -training? -This -allows -the -agonist -(i.e., -targeted -muscle) -to -contract -more -forcefully -or -
with -greater -"tension" -- -CORRECCT -ANSWER -- -Golgi -tendon -organs
What -part -of -the -autonomic -nervous -system -induces -increases -in -the -catecholamines, -and -
thereby -helps -increase -heart -rate, -breathing -rate, -heart -contractility, -and -blood -pressure -during
-exercise? -- -CORRECCT -ANSWER -- -sympathetic -system
What -part -of -the -autonomic -nervous, -when -"trained," -will -cause -positive -decrementsin -resting -
heart -rate -and -heart -rate -recovery -after -exhaustive -or -moderate -exercise? -- -CORRECCT -
ANSWER -- -parasympathetic -system
