anatomy of the urinary system

Question 1

what are the two functions of the urogenital system

Answer 1

• excretion
• reproduction

Question 2

what is the major function of the kidney

Answer 2

maintains the milieu interieur

homeostasis

Question 3

what are the two secondary functions of the kidney

Answer 3

• role in red blood cell production
• VD activation

Question 4

what is the functional unit of the kidney

Answer 4

nephron

Question 5

what prevents backflow of urine into the ureter in the bladder

Answer 5

the oblique positioning of the ureter entering the bladder

Question 6

in the female, the vagina and urethra meet in the:

Answer 6

vestibule

Question 7

in the male, urine and semen flow through ____ to the outside of the body

Answer 7

urethra

Question 8

what are the 3 divisions of the urethra in the male

Answer 8

• pelvic urethra
• prostatic
• penile urethra

Question 9

the pelvic viscera are fed largely by branches of the:

Answer 9

internal iliac artery

Question 10

the ability to hold urine and to urinate is the result of ____, ____, and ____ nerves

Answer 10

sympathetic, parasympathetic, somatic

Question 11

hypogastric nerve

Answer 11

• sympathetic
• relaxes detrusor muscle
• contracts internal sphincter of urethra

Question 12

pelvic nerve

Answer 12

• parasympathetic
• contracts detrusor muscle

Question 13

pudenal nerve

Answer 13

• somatic
• contracts external sphincter

Question 14

the umbilical arteries carry:

Answer 14

deoxygenated blood towards the placenta

Question 15

in most postnatal animals, the umbilical artery becomes the:

Answer 15

round ligament of the bladder

Question 16

what does the urachus do

Answer 16

carries urine from the bladder to the umbilicus and can be found inbetween the umbilical arteries