Muscle Tissue

Question 1

myofiber type I primarily uses what for energy?

Answer 1

oxidative phosphorylation

Question 2

Type IIA myofiber uses what type of respiration for ATP production?

Answer 2

aerobic and anaerobic

Question 3

Type IIB myofiber uses what for ATP production?

Answer 3

anaerobic respiration

Question 4

Type I myofiber are white fibers?

Answer 4

NO. Dark slow contractions rich in myoglobin

Question 5

Type IIB myofiber are white fibers?

Answer 5

Yes. Fatigue quickly

Question 6

cardiac muscles communicate via

Answer 6

gap junctions called intercalated discs

Question 7

if a sarcomere has thin filaments is it actin or myosin

Answer 7

actin

Question 8

if a sarcomere has thick filaments is it actin or myosin

Answer 8

myosin

Question 9

does the A band change width?

Answer 9

no

Question 10

What 2 bands change width?

Answer 10

I and H Bands

Question 11

what are the 2 actin associated molecules

Answer 11

troponin and topomyosin

Question 12

to remember for troponin
I stands for
C stands for
T stands for

Answer 12

I = inhibit
C = calcium
T = tropomyosin

Question 13

titin is associated with

Answer 13

Z disk and Z line

Question 14

plectin binds to

Answer 14

desmin filaments

Question 15

satellite cells sit under what lamina and functions to do what

Answer 15

under basal lamina and repairs damaged muscle tissue

Question 16

extrafusal fiber associated with

Answer 16

alpha motor neurons

Question 17

intrfusal fibers associated with

Answer 17

gamma motor fibers

Question 18

cardiac muscle tisse is single mononucleated? T/F

Answer 18

true

Question 19

transver component of cardia muscle is associated with

Answer 19

desmosome and fascia adherens

Question 20

longitudinal component is associated with

Answer 20

gap junction

Question 21

what are the 2 components of a gap junction?

Answer 21

transverse and longitudinal component

Question 22

atrial natriuretic peptides works to reduce

Answer 22

blood pressure

Question 23

smooth muscle are single nucleated cells with central nuclei? T/F

Answer 23

true

Question 24

dense bodies are associated with what type of muscle

Answer 24

smooth

Question 25

caveolin binds to

Answer 25

cholesterol