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N12.1 Water in the Body

Total questions: 23

Worksheet time: 13mins

Name
Class
Date
1.

Water makes up about (a)   % of an adult's body weight.

2.

Water present inside cells is known as

a)

intracellular

b)

extracellular

c)

intravascular

d)

solution

3.

If the kidney becomes damaged and proteins leak from the blood into the urine, what will likely happen to the body?

a)

dehydration

b)

overhydration

c)

electrolyte imbalance

d)

hyperproteinemia

4.

Antidiuretic hormones act to _____ water at the kidney.

a)

reabsorb

b)

secrete

c)

desalinize

d)

thicken

5.

Alcohol block the action of ADH at the kidney. It can therefore cause

a)

dehydration

b)

overhydration

c)

intoxication

d)

hyperpigmentation

6.

Renin causes the kidney to resorb (a)   and water follows.

7.

_____ causes the kidney to excrete potassium but reabsorb sodium, causing retention of water.

a)

renin

b)

angiotensin

c)

aldosterone

d)

ADH

8.

The main danger to health and life from vomiting and diarrhea is

a)

electrolyte imbalance

b)

low blood pressure

c)

hypotension

d)

shrinkage of organs

e)

hyperthermia

9.

If the blood becomes acidic, the main buffer system will act to

a)

form carbonic acid and CO2, which is breathed out from the lungs

b)

form bicarbonate which can be excreted from the kidneys

c)

dissociate

d)

change the pH drastically

10.

At the end of the day, your clothes weight slightly more than they did at the beginning of the day. This is most likely due to

a)

insensible water loss

b)

obligatory water excretion

c)

feces

d)

gravity

11.

Which of the following is NOT a typical source of daily water loss?

a)

urine

b)

sweat

c)

breath

d)

feces

e)

pancreatic juices

12.

Which of the following is NOT a typical source of daily water intake?

a)

beverages

b)

food

c)

metabolism

d)

ambient humidity

13.

Water intoxication can cause harm to the

a)

brain

b)

stomach

c)

liver

d)

kidneys

14.

Which of the following is an early sign of dehydration?

a)

loss of appetite

b)

delirium

c)

sleeplessness

d)

frequent urination

e)

spastic muscles

15.

Which of the following is a late sign of dehydration?

a)

loss of appetite

b)

thirst

c)

fatigue

d)

frequent urination

e)

spastic muscles

16.

Daily water intake should be about 8-12 cups per (a)   kcals.

17.

Bottled water is safer to drink than tap water.

a)

true

b)

false

18.

Bottled water is less expensive than tap water.

a)

true

b)

false

19.

Interstitial fluid does not include

a)

extracellular fluid

b)

cytoplasm

c)

blood plasma

d)

gastric juice

20.
Under normal conditions, which of the following substances is found in urine?
a)
blood cells
b)
protein
c)
glucose
d)
urea
21.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
22.
These organs are responsible for what?
a)
storing urine
b)
storing water
c)
filtering blood
d)
they don't have a particular job 
23.

What are the filtering units of the kidneys?

a)

nephrons

b)

ureters

c)

nuerons

d)

alveloi