GMS 6474: Cardiovascular and Muscle|\ |\ |\ |\ |\
Physiology Final Exam QUESTIONS |\ |\ |\ |\
WITH ANSWERS |\
The tendon is responsible for... - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Keeping the skeletal muscle attached to the bone |\ |\ |\ |\ |\ |\ |\
The tendon is made up of connective tissue at what three
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
layers? From smallest to largest groupings. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔(1) Endomysium |\ |\
(2) Perimysium
|\
(3) Epimysium
|\
What regulates protein synthesis throughout the muscle
|\ |\ |\ |\ |\ |\ |\
cell? - CORRECT ANSWERS ✔✔Myonuclei
|\ |\ |\ |\
What type of cells assists in repairing muscle damage? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Satellite Cells |\ |\ |\
The Isotropic Band (I Band) of the sarcomere is composed
|\ |\ |\ |\ |\ |\ |\ |\ |\
of... - CORRECT ANSWERS ✔✔Thin Filaments
|\ |\ |\ |\ |\ |\
Titin
Z disk
|\
,The A Band of the sarcomere is composed of... - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Thin Filaments
|\ |\ |\
Thick Filaments |\
The H Zone of the sarcomere is composed of... - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Only the thick filament without the myosin
|\ |\ |\ |\ |\ |\ |\ |\ |\
heads
During contraction of the sarcomere, what change occurs
|\ |\ |\ |\ |\ |\ |\ |\
in the thin and thick filaments? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔The amount of overlap between the two
|\ |\ |\ |\ |\ |\
The SR is responsible for... - CORRECT ANSWERS ✔✔The
|\ |\ |\ |\ |\ |\ |\ |\ |\
storage and release of Ca++ |\ |\ |\ |\
How does each myofibril have access to the extracellular
|\ |\ |\ |\ |\ |\ |\ |\ |\
fluid? - CORRECT ANSWERS ✔✔Via the T tubules
|\ |\ |\ |\ |\ |\ |\
Dihydropyridine Receptors (DHPR) are found in the |\ |\ |\ |\ |\ |\ |\
__________ and they are ________ receptors - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔T tubule ; Voltage |\ |\ |\ |\
,Ryanodine Receptors (RyR) are found in the _______ and |\ |\ |\ |\ |\ |\ |\ |\ |\
they are _______________ channels. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔SR ; Calcium Release Channels|\ |\ |\ |\
The thick filament's molecular structure is composed of
|\ |\ |\ |\ |\ |\ |\ |\
what 2 things? - CORRECT ANSWERS ✔✔(1) Myosin
|\ |\ |\ |\ |\ |\ |\
(2) Titin |\
F-actin in the thin filament is... - CORRECT ANSWERS ✔✔A
|\ |\ |\ |\ |\ |\ |\ |\ |\
helix of globular G actin that exposes an active site in
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
which the myosin head can bind to
|\ |\ |\ |\ |\ |\
Tropomyosin is a single strand protein that... - CORRECT |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Covers the active site fount on F-actin |\ |\ |\ |\ |\ |\ |\
The troponin complex in the presence of Ca++ can... -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Move tropomyosin to expose the |\ |\ |\ |\ |\ |\ |\
active site of F-actin |\ |\ |\
CapZ anchors _______ to the ___________ of the sarcomere
|\ |\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔Actin ; Z-disk
|\ |\ |\ |\ |\ |\
Dystrophin connects the sarcomere to the _______ & |\ |\ |\ |\ |\ |\ |\ |\
__________. Without it there would be significant cell |\ |\ |\ |\ |\ |\ |\ |\
, damage during contraction - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\
✔✔Extracellular fluid; Sarcolemma |\ |\
The presynaptic membrane contains what two things? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔(1) Mitochondria |\ |\ |\
(2) Acetylcholine Vesicles
|\ |\
What happens during the activation of the presynaptic
|\ |\ |\ |\ |\ |\ |\ |\
membrane? - CORRECT ANSWERS ✔✔Acetylcholine |\ |\ |\ |\ |\
vesicles fuse and release their contents into the synaptic
|\ |\ |\ |\ |\ |\ |\ |\ |\
cleft
As acetylcholine diffuses across the synaptic cleft, it binds
|\ |\ |\ |\ |\ |\ |\ |\
to ___________. What does this binding lead to an
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
activation of? - CORRECT ANSWERS ✔✔Nicotinic |\ |\ |\ |\ |\ |\
Receptors ; Increased Na+/K+ permeability |\ |\ |\ |\
Standard activation of nicotinic receptors causes? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔A shift in membrane potential (-
|\ |\ |\ |\ |\ |\ |\
80mV ——> -15mV) |\ |\
What are the 3 phases of excitation-contraction coupling?
|\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔(1) Action Potential Propagation
|\ |\ |\ |\ |\ |\ |\
(2) Ca++ Release
|\ |\
(3) Exposure of Actin Active Sites
|\ |\ |\ |\ |\
Physiology Final Exam QUESTIONS |\ |\ |\ |\
WITH ANSWERS |\
The tendon is responsible for... - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔Keeping the skeletal muscle attached to the bone |\ |\ |\ |\ |\ |\ |\
The tendon is made up of connective tissue at what three
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
layers? From smallest to largest groupings. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔(1) Endomysium |\ |\
(2) Perimysium
|\
(3) Epimysium
|\
What regulates protein synthesis throughout the muscle
|\ |\ |\ |\ |\ |\ |\
cell? - CORRECT ANSWERS ✔✔Myonuclei
|\ |\ |\ |\
What type of cells assists in repairing muscle damage? -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Satellite Cells |\ |\ |\
The Isotropic Band (I Band) of the sarcomere is composed
|\ |\ |\ |\ |\ |\ |\ |\ |\
of... - CORRECT ANSWERS ✔✔Thin Filaments
|\ |\ |\ |\ |\ |\
Titin
Z disk
|\
,The A Band of the sarcomere is composed of... - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Thin Filaments
|\ |\ |\
Thick Filaments |\
The H Zone of the sarcomere is composed of... - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Only the thick filament without the myosin
|\ |\ |\ |\ |\ |\ |\ |\ |\
heads
During contraction of the sarcomere, what change occurs
|\ |\ |\ |\ |\ |\ |\ |\
in the thin and thick filaments? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\
✔✔The amount of overlap between the two
|\ |\ |\ |\ |\ |\
The SR is responsible for... - CORRECT ANSWERS ✔✔The
|\ |\ |\ |\ |\ |\ |\ |\ |\
storage and release of Ca++ |\ |\ |\ |\
How does each myofibril have access to the extracellular
|\ |\ |\ |\ |\ |\ |\ |\ |\
fluid? - CORRECT ANSWERS ✔✔Via the T tubules
|\ |\ |\ |\ |\ |\ |\
Dihydropyridine Receptors (DHPR) are found in the |\ |\ |\ |\ |\ |\ |\
__________ and they are ________ receptors - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔T tubule ; Voltage |\ |\ |\ |\
,Ryanodine Receptors (RyR) are found in the _______ and |\ |\ |\ |\ |\ |\ |\ |\ |\
they are _______________ channels. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔SR ; Calcium Release Channels|\ |\ |\ |\
The thick filament's molecular structure is composed of
|\ |\ |\ |\ |\ |\ |\ |\
what 2 things? - CORRECT ANSWERS ✔✔(1) Myosin
|\ |\ |\ |\ |\ |\ |\
(2) Titin |\
F-actin in the thin filament is... - CORRECT ANSWERS ✔✔A
|\ |\ |\ |\ |\ |\ |\ |\ |\
helix of globular G actin that exposes an active site in
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
which the myosin head can bind to
|\ |\ |\ |\ |\ |\
Tropomyosin is a single strand protein that... - CORRECT |\ |\ |\ |\ |\ |\ |\ |\ |\
ANSWERS ✔✔Covers the active site fount on F-actin |\ |\ |\ |\ |\ |\ |\
The troponin complex in the presence of Ca++ can... -
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Move tropomyosin to expose the |\ |\ |\ |\ |\ |\ |\
active site of F-actin |\ |\ |\
CapZ anchors _______ to the ___________ of the sarcomere
|\ |\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔Actin ; Z-disk
|\ |\ |\ |\ |\ |\
Dystrophin connects the sarcomere to the _______ & |\ |\ |\ |\ |\ |\ |\ |\
__________. Without it there would be significant cell |\ |\ |\ |\ |\ |\ |\ |\
, damage during contraction - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\
✔✔Extracellular fluid; Sarcolemma |\ |\
The presynaptic membrane contains what two things? -
|\ |\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔(1) Mitochondria |\ |\ |\
(2) Acetylcholine Vesicles
|\ |\
What happens during the activation of the presynaptic
|\ |\ |\ |\ |\ |\ |\ |\
membrane? - CORRECT ANSWERS ✔✔Acetylcholine |\ |\ |\ |\ |\
vesicles fuse and release their contents into the synaptic
|\ |\ |\ |\ |\ |\ |\ |\ |\
cleft
As acetylcholine diffuses across the synaptic cleft, it binds
|\ |\ |\ |\ |\ |\ |\ |\
to ___________. What does this binding lead to an
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
activation of? - CORRECT ANSWERS ✔✔Nicotinic |\ |\ |\ |\ |\ |\
Receptors ; Increased Na+/K+ permeability |\ |\ |\ |\
Standard activation of nicotinic receptors causes? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔A shift in membrane potential (-
|\ |\ |\ |\ |\ |\ |\
80mV ——> -15mV) |\ |\
What are the 3 phases of excitation-contraction coupling?
|\ |\ |\ |\ |\ |\ |\
- CORRECT ANSWERS ✔✔(1) Action Potential Propagation
|\ |\ |\ |\ |\ |\ |\
(2) Ca++ Release
|\ |\
(3) Exposure of Actin Active Sites
|\ |\ |\ |\ |\
