Cardiac Muscle Quiz
11 Questions
| Attempts: 2781
(304).jpg "Cardiac Muscle Quiz - Quiz")
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Questions and Answers
- 1.Cardiac muscle forms the myocardium of the heart
- A.
True
- B.
False
- 2.Contractions in cardiac muscle are by sliding filament mechanism.
- A.
True
- B.
False
- 3.The composite tissue of Cardiac muscle is made up of two thing
- A.
Connective tissue
- B.
Muscle cells
- C.
I dont know
- 4.Muscle cells are...
- A.
Striated
- B.
Short, branched
- C.
1-2 nuclei
- D.
Abundant mitochondria
- 5.Intercalated discs in cardiac....
- A.
Join muscle cells which forms fibers
- B.
Have fasciae adherens which are strong
- 6.Fasciae adherens transmit contractile force
- A.
True
- B.
False
- 7.Intercalated discs have gap junctions which
- A.
Transmit contractile signal
- B.
Are longitudinal sections that make little tunnels
- C.
Allow free movement
- 8.High levels of what allow for sarcomere contraction?
- 9.A calcium influx triggers Ca 2+ release
- A.
True
- B.
False
- 10.Bundles form a fibrous skeleton
- A.
True
- B.
False
- 11.You see the bundle arrangement in the endomysium
- A.
True
- B.
False
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