Pre Lab 8

During tubular reabsorption, components of the filtrate move from the bloodstream into the tubule.

False

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The section of the renal tubule closest to the glomerular capsule is the __________.

proximal convoluted tubule

The __________ perform(s) the excretory and homeostatic functions of the urinary system.

kidneys

The outermost portion of the kidney is called the renal ________.

cortex

The __________ urethral sphincter consists of skeletal muscle and is voluntarily controlled.

external

A

kidney

B

urethra

C

urinary bladder

D

ureter

F

renal hilum

G

renal artery

E

renal vein

 What defines the trigone of the urinary bladder? 

the ureter entrances and the opening to the urethra

 Which of the following best describes the function of the urethra?

transport of urine from the bladder to the outside of the body

A

renal medulla

B

renal pelvis

C

ureter

F

minor calyx

D

renal pyramid

E

renal column

G

Major calyx

H

renal cortex

In its excretory role, the urinary system is primarily concerned with the removal of __________ wastes from the body.

nitrogenous

The __________ of the kidney is segregated into triangular regions with a striped appearance.

medulla

The __________ arteriole drains the glomerular capillary bed.

efferent

Blood flows from the peritubular capillary to the renal vein through this sequence of vessels.

cortical radiate vein, arcuate vein, interlobar vein

The renal artery enters the kidney at this indented area.

renal medulla

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This knot of coiled capillaries, found in the kidneys, forms the filtrate. It is the __________.

glomerulus

The prefix _____ means urine, urinary tract, or urea.

ur-

The prefix _____ means glomerulus of the kidney.

glomerul(o)-

The prefix _____ means situated near.

juxta-

The prefix _____ means kidney.

nephr-

Of the following urinary system organs, major homeostatic functions are performed by the ________.

kidneys

The functions of the urinary system include ________.

excreting nitrogenous wastes, maintaining electrolyte balance, and maintaining acid-base and fluid balance

As the renal artery approaches a kidney, it is divided into branches known as the __________.

segmental arteries

Which of the following directly enclose the papilla of the renal pyramid?

minor calyx

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As urine is formed it flows through the collecting ducts to enter, in order, the following structures.

minor calyces, major calyces, renal pelvis, ureter

 What region of the male urethra runs through the urogenital diaphragm, extending about 2 centimeters from the prostate to the beginning of the penis?

intermediate part of the urethra (membranous urethra)