Muscular Tissue

Question 1

Tissue composed of cells differentiated for optimal
use of the universal cell property termed contractility.

Answer 1

Muscle tissue

Question 2

differentiate mainly by a gradual process of cell lengthening with simultaneous synthesis of myofibrillar proteins.

Answer 2

Muscle tissue

Question 3

Functional unit of muscle

Answer 3

Sarcomere/Motor unit

Question 4

What cell is for regeneration of muscles with enough rest and nutrition?

Answer 4

Satellite cells

Question 5

3 types of muscle

Answer 5

Skeletal
Smooth
Cardiac

Question 6

responsible for movement of skeleton and organs such as globe of the eye and the tongue.

Answer 6

Skeletal muscle

Question 7

Often referred to as voluntary muscle and striated muscle.

Answer 7

Skeletal muscle

Question 8

an external sheath of connective tissue
surrounding the entire muscle.

Answer 8

Epimysium

Question 9

The connective tissue around each fascicle.

Answer 9

Perimysium

Question 10

a more delicate connective tissue that
surrounds muscle fiber.

Answer 10

Endomysium

Question 11

What do you call a group of muscle fibers?

Answer 11

Fasicle

Question 12

2 types of Myofilaments

Answer 12

AcTIN
MyoSIN

Question 13

Myofilament that is light in color

Answer 13

Actin

Question 14

Myofilament that is dark in color

Answer 14

Myosin

Question 15

Thin myofilament

Answer 15

acTHIN
Actin

Question 16

Thick myofilament

Answer 16

Myosin

Question 17

Presence of H zone: relaxation or contraction?

Answer 17

Relaxation

Question 18

Absence of H zone: relaxation or contraction?

Answer 18

Contraction

Question 19

Space between actin?

Answer 19

H zone

Question 20

network of protein fibers forming an attachment site for actin filaments.

Answer 20

Z disc

Question 21

consists only of actin filaments that spans each Z disk and ends at myosin filaments.

Answer 21

I band

Question 22

central region of sarcomere that extends the length of myosin filaments.

Answer 22

A band

Question 23

dark-staining band that is the center of the sarcomere

Answer 23

M line

Question 24

framework that holds myosin and actin filaments

Answer 24

Titin filamentous molecules

Question 25

contains the M line and myosin filaments which is the space
between ends of actin filaments

Answer 25

H zone

Question 26

also called visceral
muscle

Answer 26

Smooth Muscle

Question 27

it forms the muscular component of visceral structures such as blood vessels, gastrointestinal tract, uterus and urinary bladder

Answer 27

Smooth Muscle

Question 28

also described as involuntary muscle because it is under inherent autonomic and
hormonal control.

Answer 28

Smooth Muscle

Question 29

2 Structure of smooth muscles

Answer 29

Caveolae
Dense bodies

Question 30

structural and
functional characteristics
intermediate between those of
skeletal and smooth muscle

Answer 30

Cardiac Muscle
(myocardium)

Question 31

composed of elongated,
branched individual cells that lie parallel to each other.

Answer 31

Cardiac Muscle
(myocardium)

Question 31

have been regarded as the anchoring sites for actin filaments, similar to the Z-disks in striated muscle

Answer 31

Dense bodies

Question 31

Flask-shaped plasmalemma invaginations on cell membrane to mediate transport of fluid and macromolecules across the cell via invagination, budding, docking and fusion.

Answer 31

Caveolae

Question 32

specialized intercellular
junctions which not
only provide points of
anchorage for the
myofibrils but also
permit extremely rapid
spread of contractile
stimuli from one cell to
another.

Answer 32

Intercalated discs

Question 33

What intercellular junction can you find in intercalated disc of cardiac muscle?

Answer 33

Gap junctions/Macula Communicans

Question 34

What type of muscle:
STRIATED (Cylindrical)

Answer 34

SKELETAL

Question 35

What type muscle:
(Non-striated, Fusiform)

Answer 35

Smooth

Question 36

What type of muscle:
(Cylindrical, striated, branched)

Answer 36

Cardiac