Chapter 15- Urinary System

Question 1

Glands that produce aldosterone

Answer 1

Adrenal Glands

Question 2

A waste product of amino acid metabolism

Answer 2

Urea

Question 3

Nitrogenous wastes (4)

Answer 3

1) urea
2) creatinine
3) ammonium
4) uric acid

Question 4

Nitrogenous waste, combination of ammonia with co2 so less harmful

Answer 4

urea

Question 5

elevated levels of waste in blood

Answer 5

uremia

Question 6

Nitrogenous waste, results from breakdown of creatine phosphate (energy storage molecule in muscles)

Answer 6

creatinine

Question 7

Nitrogenous waste, results from the metabolic processing of nucleotides

Answer 7

uric acid

Question 8

Kidneys: maintian

Answer 8

1) salt water balance 2) acid base balance

Question 9

Kidneys release this enzyme that leads to aldosterone secretion

Answer 9

renin

Question 10

Hormone produced by adrenal glands, regulates water salt balance in blood

Answer 10

aldosterone

Question 11

Kidneys release this horone which stimulates production of rbc

Answer 11

EPO

Question 12

Hormone synthesised by kidneys, promotes calcium ion absorption in the digestive tract

Answer 12

Vitamin D

Question 13

Kidneys are covered by the

Answer 13

renal capsule

Question 14

Organ that produces urine

Answer 14

Kidney

Question 15

Organs that transport urine

Answer 15

Uterers (2)

Question 16

3 layers of uterer walls

Answer 16

1) inner mucosa
2) smooth muscle layer
3) fiberous coat of connective tissue

Question 17

Organ that stores urine

Answer 17

Urinary bladder

Question 18

Folds in the mucosa that disappear as bladder enlarges

Answer 18

rugrae

Question 19

layer that enables bladder to strech

Answer 19

transitional epithelium

Question 20

2 sphincters where urethra exits bladder

Answer 20

1) internal 2) external

Question 21

sphincter where urethra exits bladder, involuntarily controlled, made up of smooth muscle

Answer 21

internal sphincter

Question 22

sphincter where urethra exits bladder, voluntarily controlled, made up of skeletal muscles

Answer 22

external sphincter

Question 23

stretch receptors in bladder send signals to

Answer 23

spinal cord

Question 24

spinal cord causes urinary bladder to

Answer 24

contract and sphincters relax to urinate