AnswersQ5 Biology 2014Lab: Blood Typing

The Excretory System Answers

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1
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How does the large intestine help the body excrete wastes?

A
It reabsorbs water from filtrate.
B
It forms urine.
C
It removes urea from the body.
D
It processes undigested food into feces.
2
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Gout is a disease that is caused by a buildup of unprocessed uric acid. When a doctor diagnoses a patient as having gout, which organ is most likely malfunctioning?

A
skin
B
liver
C
lungs
D
large intestine
3

Which materials are excreted through sweat glands in the skin?

A
carbon dioxide, hydrogen, and water
B
salt, urea, and water
C
urine, alcohol, and water
D
fats, ammonia, and water
4

In the diagram below, which organ of the excretory system is at the end of the arrow?

Question illustration
A
large intestine
B
lungs
C
liver
D
kidneys
5

The excretory system helps the respiratory system by

A
introducing more oxygen into the lungs.
B
circulating blood into and out of the lungs.
C
removing carbon dioxide that is produced during respiration.
D
removing urine that is produced during respiration.
6

Acidosis and alkalosis can occur when the excretory system fails to keep a functional:

A
pH balance.
B
skin temperature.
C
O2-to-CO2 ratio.
D
circulation rate.
7

What was Dr. Willem Johan Kolff’s first step in using the scientific process to invent the hemodialysis machine?

A
He built the machine and tried it with various patients, collecting data about its effectiveness.
B
When a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine.
C
He researched and collected data about numerous patients who exhibited symptoms of kidney failure.
D
He drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
8

How do the lungs help excrete waste material from the body?

A
The lungs push carbon dioxide from red blood cells out of the body through exhalation.
B
The lungs convert poisonous gas into oxygen that the body can use.
C
The lungs push nitrogen into the digestive system so that it can be removed from the body.
D
The lungs help protective cells in the body break down gaseous urea.
9

In the diagram below, which step represents the excretory function of the lungs?

Question illustration
A
blood in
B
CO2 out
C
O2 in
D
blood out
10

What would most likely be the result of a malfunctioning liver?

A
difficulty passing urine
B
inability to grow hair
C
buildup of toxins
D
limited feces production

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The Excretory System Answers — Q5 Biology 2014