Urinary: Other Structures

Question 1

What are the ureters?

Answer 1

Tubes that exit the kidney and connect to the urinary bladder

Question 2

Arrangement of openings of ureters into bladder and opening from bladder into urethra

Answer 2

Trigone

Question 3

Is a continuation of the renal pelvis

Answer 3

Ureters

Question 4

Where do the ureters leave the kidneys?

Answer 4

At the Hilus

Question 5

What are the 3 layers of the ureter?

Answer 5

Outer Fibrous layer
Middle muscular layer
Inner epithelial layer

Question 6

How does urine pass through the ureter into the bladder?

Answer 6

Smooth muscle in middle layer propels urine by peristalsis

Question 7

What type of epithelium is the inner layer of the ureter made of?

Answer 7

Transitional epithelium - allows to stretch when urine passes through

Question 8

The ureters enter the bladder at an __________ angle

Answer 8

Oblique

Question 9

How does urine stay in the bladder?

Answer 9

Openings in the trigone collapse when bladder is full, prevents urine backup in ureters
(some still happens but only in extreme cases)

Question 10

What is the main function of the bladder?

Answer 10

Stores urine as it is produced; releases urine periodically from body

Question 11

What are the 2 parts of the bladder?

Answer 11

Muscular sac
Neck

Question 12

True or False: The bladder never changes size

Answer 12

False - Size and position vary depending on amount of urine it contains

Question 13

What type of epithelium is the urinary bladder made of?

Answer 13

Transitional

Question 14

The __________ muscle contracts to expel urine

Answer 14

detrusor

Question 15

The neck of the bladder has this type of muscle to control urination process

Answer 15

circular sphincter muscle

Question 16

What is another term for urination?

Answer 16

Micturition (or uresis)

Question 17

What 3 steps are there in urination?

Answer 17

Urine accumulation
Muscle contraction
Sphincter muscle control

Question 18

True or False: The bladder is constantly accumulating urine

Answer 18

True

Question 19

The ________ ________ in the bladder wall are activated as it fills

Answer 19

Stretch receptors

Question 20

Which reflex is activated when bladder reaches trigger point?

Answer 20

Spinal reflex

Question 21

True or False: The fuller the bladder, the more pressure on the sphincter muscle

Answer 21

True

Question 22

Continuation of neck of the bladder

Answer 22

Urethra

Question 23

What is the function of the urethra?

Answer 23

Carries urine from bladder to external environment

Question 24

Where does the urethra run?

Answer 24

Through pelvic canal

Question 25

What are 3 characteristics of the female urethra?

Answer 25

• Short and straight
• Opens on floor (ventral portion) of vestibule of vulva
• Lined with transitional epithelium

Question 26

What are 3 characteristics of the male urethra?

Answer 26

• Long and curved
• Runs along ventral aspect of penis
• Lined with transitional epithelium