Excretory System

The tube that carries urine from the kidney into the bladder is called the:

• Ureter
• Urethra
• Proximal Tubule
• Collecting Duct

Blood flows into the kidney along the:

• Renal Venule
• Renal Artery
• Glomerulus
• Hepatic Artery

The part of the nephron that primarily reabsorbs water is:

• Ascending Loop of Henle 
• Descending Loop of Henle
• Bowman's Capsule
• Vasa Recta

The involuntary sphincter that keeps the urethra closed when urine is not being passed is called the ________.

• internal urethral sphincter
• internal anal sphincter
• external urethral sphincter
• ileocecal sphincter

Most nephrons are located within the renal ________.

• cortex
• pelvis
• pyramids
• medulla

What region of the kidney is deep to the renal cortex?

• renal medulla
• renal hilum
• renal fascia
• renal column

The voluntarily controlled sphincter fashioned by skeletal muscle at the point where the urethra passes through the pelvic floor is called the ________.

• external urethral sphincter
• internal urethral sphincter
• detrusor sphincter
• internal anal sphincter

What is main functional unit of a kidney organ?

• Pyramids

• Collecting ducts

• Nephron

• Glomerulus

• Convoluted tubue

the pathway of urine formation is

• kidney, ureter, bladder, urethra
• bladder, kidney, ureter, urethra
• ureter, kidney, urethra, bladder
• urethra, bladder, kidney, ureter

The funnel-shaped structure that surrounds the tip of each renal pyramid and collects urine from the ducts of the pyramids is called the ____.

• glomerulus

• bowman's capsule

• minor calyx

• renal column