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WorksheetsHistology (Muscular Tissue) LEC
Total questions: 41
Worksheet time: 34mins
As muscular tissue contracts, it produces heat, a process known as?
thermogenesis
anaerobic digestion
thermoregulation
thermostatic
which is main responsible for body movements
skeletal muscles
bones
joints
tissues
what prevents the outflow of contents in hollow organs
smooth muscles
skeletal muscles
sphincters
visceral organs
what ions are stored in skeletal muscles
calcium
potassium
oxygen
sodium
what sequesters the calcium?
(a)
in what process can we see the action of thermogenesis
melting
sweating
shivering
freezing
ability to respond to certain stimuli by producing electrical signals
excitability
contractility
extensibility
elasticity
the electrical signals produced by impulses
(a)
ability to return to original strength and shape after contraction and extension
excitability
contractility
extensibility
elasticity
ability to stretch, within limits, without being damaged
excitability
contractility
extensibility
elasticity
most important property of muscle, ability to contract forcefully when stimulated
excitability
contractility
extensibility
elasticity
which has shorter striations
cardiac muscle
skeletal muscle
visceral muscle
which muscle has a nucleus that has glycogen
skeletal
cardiac
visceral
has spindle-shaped nuclei
skeletal
visceral
cardiac
cytoplasm of muscle cells and fibers
(a)
cell membrane complex of muscle tissue
(a)
endoplasmic reticulum of muscle tissue
(a)
contractile unit of muscle fiber
(a)
NUCLEUS: multinucleated, located at periphery
skeletal
cardiac
visceral
allows regeneration in muscle fibers
(a)
from the mesenchymal cells called _________, they align and fuse together to form the ________, and they differentiate to form the _________
answer and separate in comma + single space
(a)
nurses and supports cell for skeletal muscle tissue
(a)
the skeletal muscle is a DENSE IRREGULAR CT
true
false
your ______ surrounds individual muscle fiber, your ______ surrounds the entire muscle, and _______ surrounds the fascicle
answer + comma + single space
(a)
collection of muscle fibers
(a)
what is inside the myofibril
(a)
collection of myofibrils
(a)
dense irregular CT
perimysium
epimysium
endomysium
thin CT layer
endomysium
perimysium
epimysium
delicate layer of reticular fibers
epimysium
perimysium
endomysium
skeletal muscle is vascularized
T
F
tiny invaginations in sarcolemma
(a)
dilated end sacs of sarcoplasmic reticulum
(a)
contractile organelle
(a)
contractile proteins
(a)
process of elongating globular proteins by combining
(a)
the _____ is responsible for communicating w/ other filaments
actin tail
actin head
myosin tail
myosin head
it contains the calcium-binding site
tropomyosin
troponin
myosin-binding site
G-actin
G-actin are polymerized
F-actin are not polymerized
TT
FF
TF
FT
center of sarcomere
M line
Z disc
H zone
I band
bisects I-band
H zone
M line
Z disc
A band
