Exam 1: BIOS252 Anatomy and
Physiology II Review | Complete
Guide with Questions and Verified
Answers 2026/2027 | Chamberlain
QUESTI0N
what c0nnective tissue is best described as surr0unding 10-100 muscle fibers
separating them int0 bundles kn0wn as fascicles?
a- end0mysiu
m b-
supramysium
c-
perimysium
d-epimysium
Answer:
perimysium
QUESTI0N
The muscle fiber (cell) is an imp0rtant part 0f the 0rganizati0n 0f muscle tissue in a
skeletal muscle. The 0rganizati0n 0f muscle tissue fr0m smallest t0 largest is?
Answer:
Filament, my0fibril, fiber, fascicle, skeletal muscle
QUESTI0N
What is the m0st c0mm0n neur0transmitter used at the neur0muscular juncti0n t0 excite the
sarc0lemma?
A- ACh
b- GABA
c- ser0t0nin
d- epinephrine
Answer:
ACh (acetylch0line)
,QUESTI0N
what is the plasma membrane 0f a muscle cell (fiber) called?
a- sarc0plasmic reticulum
b- acetylch0line
c- sarc0mere
d- sarc0lemma
Answer:
Sarc0lemma
QUESTI0N
sliding filament the0ry
Answer:
the0ry that actin filaments slide t0ward each 0ther during muscle c0ntracti0n, while the
my0sin filaments are still
QUESTI0N
The neur0transmitter used at the neur0muscular juncti0n is acetylch0line (ACh) T/F
Answer:
True
QUESTI0N
In the sliding filament the0ry, the pr0tein filaments sh0rten t0 create a muscle spasm. t/f
Answer:
false
QUESTI0N
a c0nnecti0n f0rmed between the actin and my0sin is kn0wn as what?
,Answer:
cr0ss bridge
QUESTI0N
what channel will ACh attach t0?
Answer:
Ligand-gated channel
QUESTI0N
AChE helps t0 break d0wn the neur0transmitter ACh and aide in its rem0val fr0m the
synapse. T/F
Answer:
True
QUESTI0N
What is the name 0f the cellular structure that when stimulated, releases calcium int0
the cyt0s0l 0f the cell?
a- mit0ch0ndri
a b-
sacr0mere
c-sarc0lemma
d-sarc0plasmic reticulum
Answer:
Sarc0plasmic reticulum
QUESTI0N
What is the first step in the relaxati0n sequence?
Answer:
, Preventing release 0f ACh int0 the synaptic cleft
QUESTI0N
what neur0transmitter used at the neur0muscular juncti0n?
Answer:
ACh
QUESTI0N
In the sliding filament the0ry, the pr0tein filaments sh0rten t0 create a muscle c0ntracti0n.
T/F
Answer:
False
QUESTI0N
Cardiac muscle is m0re resistant t0 fatigue than skeletal muscle. T/F
Answer:
True
QUESTI0N
Skeletal muscle can create ATP at any time and will never fatigue. T/F
Answer:
False
QUESTI0N
Creati0n 0f ATP
Answer:
Physiology II Review | Complete
Guide with Questions and Verified
Answers 2026/2027 | Chamberlain
QUESTI0N
what c0nnective tissue is best described as surr0unding 10-100 muscle fibers
separating them int0 bundles kn0wn as fascicles?
a- end0mysiu
m b-
supramysium
c-
perimysium
d-epimysium
Answer:
perimysium
QUESTI0N
The muscle fiber (cell) is an imp0rtant part 0f the 0rganizati0n 0f muscle tissue in a
skeletal muscle. The 0rganizati0n 0f muscle tissue fr0m smallest t0 largest is?
Answer:
Filament, my0fibril, fiber, fascicle, skeletal muscle
QUESTI0N
What is the m0st c0mm0n neur0transmitter used at the neur0muscular juncti0n t0 excite the
sarc0lemma?
A- ACh
b- GABA
c- ser0t0nin
d- epinephrine
Answer:
ACh (acetylch0line)
,QUESTI0N
what is the plasma membrane 0f a muscle cell (fiber) called?
a- sarc0plasmic reticulum
b- acetylch0line
c- sarc0mere
d- sarc0lemma
Answer:
Sarc0lemma
QUESTI0N
sliding filament the0ry
Answer:
the0ry that actin filaments slide t0ward each 0ther during muscle c0ntracti0n, while the
my0sin filaments are still
QUESTI0N
The neur0transmitter used at the neur0muscular juncti0n is acetylch0line (ACh) T/F
Answer:
True
QUESTI0N
In the sliding filament the0ry, the pr0tein filaments sh0rten t0 create a muscle spasm. t/f
Answer:
false
QUESTI0N
a c0nnecti0n f0rmed between the actin and my0sin is kn0wn as what?
,Answer:
cr0ss bridge
QUESTI0N
what channel will ACh attach t0?
Answer:
Ligand-gated channel
QUESTI0N
AChE helps t0 break d0wn the neur0transmitter ACh and aide in its rem0val fr0m the
synapse. T/F
Answer:
True
QUESTI0N
What is the name 0f the cellular structure that when stimulated, releases calcium int0
the cyt0s0l 0f the cell?
a- mit0ch0ndri
a b-
sacr0mere
c-sarc0lemma
d-sarc0plasmic reticulum
Answer:
Sarc0plasmic reticulum
QUESTI0N
What is the first step in the relaxati0n sequence?
Answer:
, Preventing release 0f ACh int0 the synaptic cleft
QUESTI0N
what neur0transmitter used at the neur0muscular juncti0n?
Answer:
ACh
QUESTI0N
In the sliding filament the0ry, the pr0tein filaments sh0rten t0 create a muscle c0ntracti0n.
T/F
Answer:
False
QUESTI0N
Cardiac muscle is m0re resistant t0 fatigue than skeletal muscle. T/F
Answer:
True
QUESTI0N
Skeletal muscle can create ATP at any time and will never fatigue. T/F
Answer:
False
QUESTI0N
Creati0n 0f ATP
Answer:
