25.1

85% of nephrons are described by this term that relates to their location in the kidney. sinusoidal trabecular medullary cortical extrinsic

cortical

If you looked closely at the tip of a renal papilla with a hand lens, the hundreds of little openings you would see on its surface are minor calyces. renal sinuses. openings of collecting ducts. glomeruli.

openings of collecting ducts.

The apex of a renal pyramid is called a calyx corpuscle papilla sinus

papilla

The foot processes of podocytes are called panicles pedicabs pedicels peduncles

pedicles

Which vessels pick up materials from the filtrate? glomerular peritubular interlobar arcuate

peritubular

The capillaries that surround the proximal and distal convoluted tubules are the choroid plexus pampiniform plexus peritubular capillaries vasa recta

peritubular capillaries

The part of the nephron whose epithelial cells are most responsible for resorption and secretion is the glomerular capsule (podocytes). proximal convoluted tubule. thin segment. distal convoluted tubule.

proximal convoluted tubule.

When Melinda was asked to identify a "mystery" slide on a histology test, she immediately identified it as renal cortex because of the presence of scattered renal corpuscles. thin segments. renal papillae. vasa recta.

renal corpuscles

Which of the following supportive tissues is most superficial? fibrous capsule renal pelvis perirenal fat renal fascia

renal fascia

A large fat-filled space within the kidney that also contains the renal pelvis, blood vessels, and nerves. renal sinus convoluted tubules renal corpuscle renal pyramids cortical columns

renal sinus

The epithelium lining the urinary bladder that permits distension is stratified squamous. transitional. simple squamous. pseudostratified columnar.

transitional

A nephron plus its collecting duct form a(n) renal corpuscle renal plexus renal tubule uriniferous tubule

uriniferous tubule

The layer of podocytes is the same as the parietal layer. glomerulus. visceral layer of glomerular capsule. capsular space.The layer of podocytes is the same as the

visceral layer of the glomerular capsule

T/F The external urethral sphincter is composed of smooth muscle and under involuntary control.

false

T/F The perirenal fat capsule is located superficial to the renal fascia.

false

T/F The trigone is a triangular area in the kidneys.

false

T/F The ureters enter the urinary bladder obliquely at the anterolateral corners.

false

T/F the U-shaped vasa recta are located between the proximal and distal convoluted tubules.

false

Spaces between the pedicels are called canaliculi fenestra filtration slits intercellular pores

filtration slits

This is a function of the kidneys. regulate water balance eliminate some metabolic wastes regulate extracellular electrolyte level all of the above

all the above

Which layer of the kidney has kept its lobular structure? capsule cortex medulla

medulla

Before it enters the ureter, urine collects in the renal sinus. renal pelvis. renal cortex. renal pyramids.

renal pelvis

T/F The right kidney is a little lower than the left.

T

The kidneys lie behind the ________ cavity.

abdominal

The renal artery is a branch of the

abdominal aorta

The mucosal folds in the urinary bladder (rugae). act to increase the surface area for absorption. thicken the urinary bladder wall so that it does not burst. are not present in life, only in cadavers. accommodate stretch as the urinary bladder fills.

accommodate stretch as the urinary bladder fills.

Which of the following regions of the nephron is most likely to be found in the renal medulla? glomerulus proximal convoluted tubule distal convoluted tubule collecting duct

collectibg duct

Which of these is NOT a section of a nephron? collecting duct distal convoluted tubule loop of the nephron proximal convoluted tubule renal corpuscle

collecting duct

The renal columns are part of the renal

cortex

Which of the following is NOT found in the renal corpuscle? the glomerulus the nephron loop glomerular capsule podocytes

the nephron loop

T/F The descending thin limb of the nephron loop consists of a simple squamous epithelium.

true

T/F The internal urethral sphincter is composed of smooth muscle and is under involuntary control.

true

Contraction of this muscle forces urine from the urinary bladder. cremaster detrusor diaphragm internal sphincter external sphincter

detrusor

Urine passes through the kidney hilum to the urinary bladder to the ureter. renal pelvis to the ureter to the urinary bladder to the urethra. glomerulus to the ureter to the nephron. hilus to the urethra to the urinary bladder.

renal pelvis to the ureter to the urinary bladder to the urethra.

T/F Urine drains from the kidney in the following sequence: from the collecting duct to the minor calyx to the major calyx to the renal pelvis and then to the ureter.

true

T/F Glomeruli arise from branches off the efferent arterioles of the cortex.

true

T/F Podocytes are large cells with complex "footlike" processes that wrap around the glomerular capillaries.

true

T/F The arcuate artery is located between the interlobar and cortical radiate arteries.

true

In general, the kidneys work by removing part of the plasma and running it through nephron tubules taking glucose, water, and sodium out of the fluid being processed things the body doesn't need to stay in the tubes and become urine all of the above

All of above

Which segment of the nephron has simple squamous epithelium? ascending limb of the nephron loop descending limb of the nephron loop distal convoluted tubule proximal convoluted tubule

descending limb of the nephron loop

The external urethral sphincter is located at the external urethral orifice. at the junction of the urinary bladder wall and urethra. at the ureteral orifice. at the urogenital diaphragm.

urogenital diaphragm

Looping blood vessels within the renal medulla. vasa vasorum peritubular capillaries cortical radiate vasa recta interlobular

vasa vasorum