1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
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Which of the following statements are correct regarding skeletal muscle?

A. Muscle bundles are held together by collagenous connective tissue layer called fascicle.

B. Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.

C. Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.

D. M line is considered as functional unit of contraction called sarcomere.

Choose the most appropriate answer from the options given below:

A
B and C only
B
A, C and D only
C
C and D only
D
A, B and C only
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Choose the correct statement about a muscular tissue

A
Smooth muscles are multinucleated and involuntary.
B
Skeletal muscle fibres are uninucleated and found in parallel bundles.
C
Intercalated discs allow the cardiac muscle cells to contract as a unit.
D
The walls of blood vessels are made up of columnar epithelium.
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

According to the sliding filament theory:

A
The actin filaments slide away from A-band resulting in shortening of sarcomere.
B
Actin and myosin filaments slide over each other to increase the length of the sarcomere.
C
Length of A-band does not change
D
I-band increases in length.
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Gout is a type of disorder which leads to:

A
Weakening of bones due to low calcium level
B
Inflammation of joints due to accumulation of uric acid crystals
C
Weakening of bones due to decreased bone mass
D
Inflammation of joints due to cartilage degeneration
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