CH # 15: Urinary System

Question 1

The smooth muscle in the wall of the urinary bladder

Answer 1

Detrusor muscle

Question 2

A hormone released by the kidneys that stimulates RBC production

Answer 2

Erythropoietin

Question 3

2 names 4 the double-layered cup that surrounds the glomerulus in a nephron

Answer 3

Glomerular capsule

Bowman capsule

Question 4

The movement of blood plasma across the filtration membrane in the renal corpuscle

Answer 4

Glomerular filtration

Question 5

Cluster of capillaries in the nephron through blood is filtered

Answer 5

Glomerulus

Question 6

Complex mortified cells in the afferent arteriole and the ascending limb and distal tubule in the kidney

helps regulate blood pressure by secreting renin

Consists of the macula densa and juxtaglomerular cells

Answer 6

Juxtaglomerular apparatus

Question 7

3 names 4 an act of expelling urine from the bladder

Answer 7

Micturition

Voiding

Urination

Question 8

Functional units of the kidney consisting of a renal corpuscle and a renal tubule

Answer 8

Nephrons

Question 9

The hairpin loop of the renal tubule that extends in2 the renal pyramids

Answer 9

Nephron loop

Question 10

Portion of the nephron where filtration occurs

Consists of the glomerulus and glomerulus capsule

Answer 10

Renal corpuscle

Question 11

Outer portion of the kidney that appears granular

Answer 11

Renal cortex

Question 12

Inner portion of the kidney consisting of renal pyramids

Answer 12

Renal medulla

Question 13

Large cavity in the central region of the kidney that collects the urine as it is produced

Answer 13

Renal pelvis

Question 14

Tubular portion of the nephron that carries the filtrate away from the glomerular capsule

Site where tubular reabsorption and secretion occur

Answer 14

Renal tubule

Question 15

An enzyme secreted by the kidneys that functions in blood pressure regulation by stimulating the formation of angiotensin

Answer 15

Renin

Question 16

Triangular area in the floor of the urinary bladder formed by the openings 4 the urethra and the 2 ureters

Answer 16

Trigone

Question 17

The movement of filtrate from the renal tubules back in2 the blood in response 2 the body’s needs during urine formation

Answer 17

Tubular reabsorption

Question 18

The movement of substances from the blood in2 the renal tubules in response 2 the body’s needs during urine formation

Answer 18

Tubular secreation

Question 19

Tubular structure that carries urine from the renal pelvis 2 the urinary bladder

Answer 19

Ureter

Question 20

Passageway that conveys urine from the urinary bladder to the exterior

Answer 20

Urethra

Question 21

Storage reservoir 4 urine

Located in the pelvic cavity

Answer 21

Urinary bladder

Question 22

The folds of the mucosa (mucus membrane) of the bladder which allow the bladder 2 expand as it fills w/urine

Answer 22

Rugae