Urinary System

Nephrons consist of a renal corpuscle and a renal tubule. The renal corpuscles are located in the ________ of the kidney.

Cortex

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

Cortex

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

Cortical radiate vein, arcuate vein, interloper vein

The __________ arteriole drains the glomerular capillary bed.

Efferent

The functions of the urinary system include ________.

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

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

External

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

False

What is true about the renal processes for making urine?

Filtration occurs only in the glomerular capsule.

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

Ur-

During filtration in the nephron, substances move ________.

From the glomerulus into the nephron

The prefix _____ means glomerulus of the kidney.

Glomerul(o)-

The juxtamedullary nephrons ________.

Have a nephron loop that penetrates deep into the renal medulla, and play an important role in concentrating urine

The prefix _____ means situated near.

Juxta-

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

Kidneys

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

Kidneys

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

Medulla

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

Minor calyces, major calyces, renal pelvis, ureter

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

Minor calyx

The prefix _____ means kidney.

Nephr-

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

Nitrogenous

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

Proximal convoluted tube

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

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