Urinary System (Part 1) - For Quiz #3 On Wed. 9/22/10

The main function of the urinary system is to remove ___________  ___________ from our blood and ultimately to ____________ them.

These organs are bean shaped.

The ___________ (right or left?) kidney lies slightly lower than the other because of the ___________ (which organ?).

The kidney receives blood from the __________  __________ and is drained by the ___________  ___________.

The kidney is protected by a fibrous connective tissue capsule called the __________  ___________.

Structure of kidney:Triangular divisions of the medulla of the kidney are called renal ____________.

Structure of kidney:Extensions of cortical tissue that dip down into the medulla between the renal pyramids are called renal ____________.

Structure of kidney:The area of the kidney where the tips of the pyramids point down into a funnel-shaped basin that forms the upper end of the ureter is called the renal ___________.

Structure of kidney:The pyramids empty into a cup shaped structure in the renal pelvis called a __________, which collects the urine from the pyramid and empties it into the pelvis.

What structure(s) connects the kidneys to the bladder and are made up of muscle?

___________  and ___________ allow urine to flow through the ureters to the bladder.

When empty, the bladder is lined with __________ (folds in the lining which allow for expansion).

The size of an empty bladder is ___ to ___ inches and when it is full is approx. _______ inches.

The bladder has 3 layers.  The inner layer is called ________.  The 2nd is a layer of _________  _________.  Then the outer layer is three layers of _________ so that it can contract to empty the bladder.

The _________ is the tube that extends from the bladder to the outside of the body.

In males, the urethra is approx. _____ inches long.  In females, it is approx. _____ inches long.  This makes __________ more prone to UTI's.

The ___________ sphincter is located where the urethra meets the bladder. (Internal or External?)

The ____________ sphincter is located by the vulva in females and in the penis in males. This sphincter is under voluntary control.  (Internal or External?) 

The __________ is the functional unit of the kidney.  It is a tiny, (microscopic) coiled tube with a bulb at one end.

All work of the urinary system is done in the _____________.

The __________ exits the kidney at the hilum and connects the kidney to the bladder.

The ___________ is an empty sac that fills with urine.

At the base of the bladder is an area called the _________.  It is a triangle formed by the two ureters that enter and the urethra that exits the bladder.

Structure of kidney:The outer portion of the actual kidney is called the renal  __________.

Structure of kidney:The inner portion of the actual kidney is called the renal __________.

The ureters enter the bladder at a(n) _________ angle.  A full bladder closes the ureters off so there is no reflux.

The urethra has two ___________, an internal and external, which control the flow of urine.

Surrounding the renal capsule of the kidney is a layer of adipose tissue called ____________  ____________.

The kidneys are located ___________ (superior or inferior) to the diaphragm in the ____________ (region of the body).

An outer layer of fascia surrounds all the kidney layers and is continuous with the peritoneum called ___________  ___________.

The __________ or ___________ of the kidney is where everything enters and exits the kidney.

Choose the correct functions of the kidneys.

• Excretion of waste

• Fluid balance for homeostasis

• Acid/base balance

• BP regulation

• Regulate RBC production with erythropoietin

The trigone portion of the bladder contains rugae.

• True

• False

A full bladder holds approx. how much urine?

• 300 cc

• 400 cc

• 500 cc

• 600 cc