A&P Multiple Choice

In anatomical terminology a visceral membrane is a...

A serious membrane that covers the organs

Which region is the spleen located?

Left Hypochondriac Region

Which of the 2 main fluid compartments is interstitial fluid part of?

Extracellular fluid

Valence

the number of electrons the atom will lose, gain, or share when it forms bonds with other atoms

Acid

molecule that gives/donates hydrogen ions to a solution

Base

molecule that removes hydrogen ions from a solution

Acidic solution

a solution with a pH of less than 7

Basic solution

solution with a pH of more then 7

Buffer

molecule that can both donate and remove hydrogen ions in a solution. It acts to maintain a stable pH.

What defines an element?

The number of protons its atoms contain.

Isotopes of an element have the same atomic mass but are different elements.

False

Which sub-atomic particle can release radiation?

neutrons

What type of bonds hold a water molecule together?

polar covalent bonds

What are hydrogen bonds?

They are attractions of a slightly positively charged hydrogen to a slightly negatively charged oxygen on different water molecules.

How do hydrogen bonds give water properties that differ from other solvents?

Hydrogen bonds take away waters slight charge.

What property do the bonds that hold a water molecule together confer on the water molecule?

 

They make the molecule slightly charged

pH stands for the purpose of the Hydroxyl ion

False

What does the pH scale tell us about the level of acidity of a substance?

For each drop of one unit of the pH scale there a factor of 10 times the number of hydrogen ions.

Which of these is a monomer, a monosaccharide, of a carbohydrate?

glucose

What is the ratio of Carbon to Hydrogen to Oxygen in a monomeric carbohydrate?

1:2:1

Why can we digest starch but not cellulose?

We don't have the enzyme to break down the Alpha 1-4 glycosidic bond

Cholesterol is used to create the sex hormones or steroid hormones.

True

Why does protein shape change when the temperature around it changes?

The increase in energy disrupts the bonds of the various levels of the proteins structure.