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Which part of the urinary system has detrusor muscle in it?

A.

Urinary Bladder

B.

Ureter

C.

Renal Artery

D.

Kidney

Answer and Explanation

The Correct Answer is A

A. Urinary Bladder: The urinary bladder is composed of smooth muscle, including the detrusor muscle, which contracts to expel urine during urination. The detrusor muscle allows the bladder to stretch as it fills with urine and contract when it's time to empty.

B. Ureter: The ureters are muscular tubes that transport urine from the kidneys to the bladder but do not contain detrusor muscle. They have a different type of smooth muscle that aids in peristalsis.

C. Renal Artery: The renal artery is a blood vessel that supplies blood to the kidneys and does not contain muscle tissue like the detrusor muscle.

D. Kidney: The kidneys are organs that filter blood to produce urine but do not contain detrusor muscle. They consist mainly of nephron structures for filtration and reabsorption.

 


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Related Questions

Correct Answer is C

Explanation

A. Blood pumped into a ventricle in one minute: This describes venous return but not cardiac output.

B. Blood pumped into the atria in one minute: Cardiac output measures blood leaving the heart, not entering the atria.

C. Blood pumped by each ventricle in one minute: Cardiac output is the amount of blood ejected by each ventricle in one minute. It is calculated by multiplying stroke volume (the amount of blood ejected per beat) by heart rate.

D. Blood pumped out of an atrium in one minute: This describes atrial function but is not related to the definition of cardiac output.

Correct Answer is D

Explanation

A. Epididymis: The epididymis is where sperm mature and are stored. It is not cut during a vasectomy.

B. Tunica albuginea: This is the connective tissue surrounding the testis, not part of the sperm-carrying duct system.

C. Efferent ductules: These ducts transport sperm from the testis to the epididymis, but they are not cut during a vasectomy.

D. Ductus deferens: The ductus deferens (vas deferens) is the tube that carries sperm from the epididymis to the ejaculatory duct. It is cut and sealed during a vasectomy, preventing sperm from reaching the urethra.

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