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Chapter 30.4 The Excretory System

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The Excretory system
lindy
Quiz by lindy, updated more than 1 year ago
lindy
Created by lindy over 9 years ago
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Resource summary

Question 1

Question
The excretory system includes the skin, lungs, liver and kidneys and excretes metabolic wastes from the body.
Answer
  • True
  • False

Question 2

Question
What are the parts of the excretory system?
Answer
  • The skin, lungs and kidneys
  • The kidneys, stomach and lungs
  • The skin, lungs, liver and kidneys

Question 3

Question
What is the role of the skin in excretion?
Answer
  • Excretes excess water
  • Excretes salt
  • Excretes a small amount of urea in sweat
  • All of the above

Question 4

Question
The lungs excrete carbon dioxide and small amounts of water vapor.
Answer
  • True
  • False

Question 5

Question
The liver converts potentially dangerous nitrogen wastes, a product of protein breakdown , into less toxic urea.
Answer
  • True
  • False

Question 6

Question
The kidneys are a pair of fist sized organs located on either side of the spinal column near the lower back.
Answer
  • True
  • False

Question 7

Question
The kidneys produce and excrete a waste product known as urine.
Answer
  • True
  • False

Question 8

Question
These transport urine from the kidneys to the urinary bladder.
Answer
  • Bladder
  • Ureters
  • Urethra

Question 9

Question
The urinary bladder is where the urine is stored
Answer
  • True
  • False

Question 10

Question
Urine is released through the urethra.
Answer
  • True
  • False

Question 11

Question
A waste laden blood enters the kidney through the renal artery, the kidney removes urea, excess water and minerals and other waste products
Answer
  • True
  • False

Question 12

Question
Nephrons are the individual processing units in the kidneys that do most of the work
Answer
  • True
  • False

Question 13

Question
Blood purification in the kidneys is a complex process and involves
Answer
  • Filtration
  • Filtration and reabsorption

Question 14

Question
Filtration is the passing of a liquid or a gas through a filter to remove wastes.
Answer
  • True
  • False

Question 15

Question
A glomerulus is..
Answer
  • A small but dense network of capillaries or very small blood vessels encases in the upper end of each nephron
  • Bowman's capsule
  • Nephron

Question 16

Question
Bowman's capsule is a hollo, cup shaped structure that encases the glomerulus
Answer
  • True
  • False

Question 17

Question
The material that is filtered from the blood is called
Answer
  • Nephron
  • Glomerulus
  • Bowman's capsule
  • Filtrate

Question 18

Question
Nearly all the material that moves into Bowman's capsule makes its way back into the blood.
Answer
  • True
  • False

Question 19

Question
The process by which water and dissolved substances are taken back into the blood is called
Answer
  • Filtration
  • Reabsorption

Question 20

Question
The kidneys first throw away everything and then takes back only what the body needs.
Answer
  • True
  • False

Question 21

Question
A section of the nephron tubule is called the loop of Henle and its job is to conserve water
Answer
  • True
  • False

Question 22

Question
The waste material now called urine that remains in the tubule is emptied into a collecting duct and from there the urine flows to the ureter of each kidney.
Answer
  • True
  • False

Question 23

Question
The ureters carry urine to the urinary bladder for storage until the urine leaves the body through the urethra.
Answer
  • True
  • False

Question 24

Question
The kidneys play an important role in maintaining homeostasis.
Answer
  • True
  • False

Question 25

Question
The kidneys
Answer
  • Respond directly to the composition of the blood
  • Are influenced by the endocrine system
  • None of the above
  • All of the above

Question 26

Question
Problems with the kidneys include
Answer
  • Kidney stones
  • Kidney damage
  • Kidney failure
  • All of the above
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