A nursing student is reviewing the process of urination. Which of the following correctly describes the role of the detrusor muscle during micturition (urination)?

Epidural anesthesia is administered by inserting a needle into the vertebral canal inferior to the end of the spinal cord to avoid damaging it. Around which vertebral level does the conus medullaris typically end in adults?

During a soccer game, Kelsey takes a blow to the outer side of the knee. Afterward, she cannot lift her the dorsal surface of her foot when walking and has lost sensation along the lateral aspect of her leg. Which nerve was damaged at the lateral knee? 

After urine is produced in the kidney, it must travel to the urinary bladder for storage. Which structure transports urine on this journey from the kidney to the bladder?

A 65-year-old male complains of difficulty starting urination and a weak urine stream. An enlarged prostate gland is found compressing the urethra. Which part of the urethra is compressed?

During a pelvic anatomy lab, a student must identify the ligament that connects the ovary to the uterus, tethering it in its normal anatomical position. Which structure is this?

One of the cranial nerves has the widest reach in the body and travels into the thorax and abdomen. It delivers parasympathetic innervation to the lungs, larynx and most abdominal organs. Which nerve is this?

Charlie is a soccer player who can no longer kick a ball because he cannot straighten (extend) his knee, and he has numbness spreading down the front of his thigh. Which nerve is injured?

During neurological testing, Denise cannot raise her shoulder against resistance and the sternocleidomastoid muscle is weak. Which nerve is most likely injured?

A radiology student is identifying the vessels that directly form the cerebral arterial circle (Circle of Willis) on an angiogram. Which of the following vessels is a direct component of the circle itself?