Key Substances & Inorganic Compounds

Question 1

Name the 2 key cellular substances?

Answer 1

NUTRIENTS
+
OXYGEN

Question 2

Name the substances needed for body structure and function?

Answer 2

NUTRIENTS

Question 3

Cells need _________ in order to function.

Answer 3

OXYGEN

Question 4

Name the 4 main examples of inorganic compounds?

Answer 4

WATER
\+
MANY SALTS
\+
ACIDS
\+
BASES

Question 5

Water accounts for _____% of body weight.

Answer 5

65%

Question 6

Nearly all ___________ ____________ in the body occur in water.

Answer 6

CHEMICAL REACTIONS

Question 7

In a solution, the chief substance is called what?

Answer 7

SOLVENT

Question 8

In a solution, the substance being dissolved is referred to as what?

Answer 8

SOLUTE

Question 9

In a _________, __________ dissolves __________.

Answer 9

SOLUTION
\+
SOLVENT
\+
SOLUTE

Question 10

What is the term for when inorganic acids, bases or salts dissolve in water and separate into ions surrounded by water molecules?

Answer 10

DISSOCIATE

Question 11

Name the substance which dissociates into one or more hydroGEN ions (H+) ?

Answer 11

ACID

Question 12

Name the substance which dissociates into one or more hydroXIDE ions (OH-) ?

Answer 12

BASE
aka
ALKALINE

Question 13

Name the substance which dissociates into positive and negative ions (neither is H+ or OH-)

Answer 13

SALT

Question 14

What is the neutral level on the pH scale?

Answer 14

7.0

Question 15

What is an example pH level for when more hydrogen ions (H+) are dissolved in a solution?

Answer 15

ANY ACIDIC LEVEL

0.0 - 6.9

Question 16

What is an example pH level for when more hydroxide ions (OH-) are dissolved in a solution?

Answer 16

ANY BASIC (ALKALINE) LEVEL
7.1 - 14.0

Question 17

The body doesn’t tolerate significant changes in _____, with the bloods levels between _____ - _____.

Answer 17

BODY pH LEVEL

between 7.35 - 7.45 (BASIC/ALKALINE)

Question 18

TRUE or FALSE

All body fluids are alkaline.

Answer 18

FALSE
Vaginal fluid, urine, and saliva are all acidic.

Blood, semen, CSP fluid, pancreatic juice, and bile are all alkaline.