Question

The wall of urinary bladder has a thick layer of smooth muscle called

• A. Dartos
• B. Detrusor
• C. Deltoid
• D. Depressor

Answer 1

The correct option is B Detrusor

a) Dartos muscle is a muscle present in the scrotal sac.

b) Deltoid muscle is a muscle of the upper arm.

c) Depressor muscle is a facial muscle.

d) Detrusor smooth muscle present in the wall of the urinary bladder is detrusor muscle. It helps in contraction of the urinary bladder during micturition.

So, the correct answer is 'Detrusor'.