HIM205: Anatomy and Physiology for HIM I (second test)

Place the number of the corresponding item next to the number of the correct order from lowest (1) to highest (8) pH:
(Points : 8) 

Potential Matches:

1 : Stomach Acid

2 : Normal Rain Water

3 : Lemon Juice

4 : Urine

5 : Tomatoes

6 : Bread

7 : Hydrocloric Acid

8 : Soda

    Answer

     : 1 (lowest)

     : 2

     : 3

     : 4

     : 5

     : 6

     : 7

     : 8 (highest)

Place the corresponding number of the title of each atom part location next to the correct letter of that location: 
 
(Points : 7) 

Potential Matches:

1 : Electrons

2 : Mass Number

3 : Neutrons

4 : Atomic Number

5 : Atomic Symbol

6 : Nucleus

7 : Protons

    Answer

     : A

     : B

     : C

     : D

     : E

     : F

     : G

An atom has a central ____________. (Points : 1)

An atom has pathways about the nucleus called ____________. (Points : 1)

The shells of an atom are sometimes called ___________ levels. (Points : 1)

Subatomic ____________ called protons and neutrons are located in the nucleus. (Points : 1)

Electrons ____________ about the nucleus in the shells. (Points : 1)

Particles that carry either a positive (+) or negative (-) charge are termed ______________. (Points : 1)

The attraction between ____________ charged ions forms an ionic bond. (Points : 1)

Atoms with more than one shell are most stable when the outer shell contains eight ____________. (Points : 1)

Sometimes during a reaction, atoms give up or take on electrion(s) in order to achieve a ___________ outer shell. (Points : 1)

In a ___________ bond, atoms share electrons instead of losing or gaining them. (Points : 1)

Ionic bonds are created by ________________ between ions. (Points : 1)

Covalent bonds are created by __________________ between atoms. (Points : 1)

In a covalent bond, atoms share electrons instead of losing or gaining them. (Points : 1)

In a covalent bond, protons spend part of their time in the outer shell of each atom; therefore, they are counted as belonging to both bonded atoms. (Points : 1)

Which of the following statements are TRUE? (select all that apply) (Points : 1)

When ions and molecules disperse in water, they move about and collide, allowing ______________ to occur.  Therefore, water is a solvent that facilitates ______________ reactions.  Ions and molecules that are water-soluble are said to be ______________. Non-ionized and non-polar molecules that do not interact with water are said to be ___________________. (Points : 1)

Hydrophilic means “water-loving”. (Points : 1)

Hydrophobic means “water-loving”. (Points : 1)

Water molecules cling together because of ________________, a property called ________________.  Water can also cling to other surfaces by hydrogen bonding, and this behavior is called ______________.  The cohesion and adhesion characteristics of water make it an excellent ______________ medium. (Points : 1)

Water flows freely and water-based solutions fill vessels, such as _____________ vessels. Blood transports ____________ and nutrients to the _________ and ____________ wastes such as carbon dioxide from the cells. (Points : 1)

Specific ____________ is the amount of heat energy needed to change an object’s temperature by exactly 1 C. Water has the highest specific heat of almost any ____________ in nature.  Water can absorb a tremendous amount of heat energy without changing its ______________ due to the ____________ bonds that link water molecules together. (Points : 1)

Maintaining a fairly _________________ body temperature is possible, in part, because the body is roughly 60% water.  High water content helps to ____________ the body from ______________ heat and cold in the environment.  Hydrogen bonding also accounts for water’s _____________________. (Points : 1)

The following are considered ACIDS: (select all that apply) (Points : 1)

The pH scale ranges from _____ to _____.  Any solution with a pH below 7 is considered _______. Even a ______ change in pH represents a _______ change in the proportional number of hydrogen and hydroxide ions in the body. (Points : 1)

The pH of our blood when we are healthy is always about ______. If the pH value drops below ________, the person is said to have ___________. If our pH rises above _________, the condition is called ________________. (Points : 1)

Explain the pH scale by filling in the blanks on the following statements:
The pH scale ranges from _______ to ______. A solution of exactly pH ______ is the pH of water. (Points : 1)

pH 7, the pH of ___________ is a neutral pH because water releases an ___________ number of hydrogen ions (H+) and hydroxide ions (OH-). (Points : 1)

The four categories of molecules unique to cells are: __________, __________, __________, and __________. (Points : 1)

A HYDROLYSIS REACTION consists of the following (select all that apply): (Points : 1)

Which of the following are individual subunits of CARBOHYDRATES (select all that apply): (Points : 1)

Which of the following are individual subunits of PROTEINS (select all that apply): (Points : 1)

Which type of carbohydrates named below, function in cells to provide IMMEDIATE ENERGY? (select all that apply): (Points : 1)

A fat or an oil forms when one _____________ molecule reacts with three fatty _________ molecules.  A fat is sometimes call a ______________ because of its three-part structure, or a ____________ fat because the molecule is non-polar and carries no __________. (Points : 1)

Fatty acids can be saturated if there are double bonds between ________ atoms, or unsaturated if there are double bonds between carbon atoms.  When a fat molecule forms, three fatty acids __________ with glycerol, and three ________ molecules are produced. (Points : 1)

Lipids contain more energy per gram than carbohydrates (Points : 1)

Some lipids function as short-term energy storage molecules in organisms (Points : 1)

        Fat is used for short-term energy usage 
        Fat forms a protective cushion around major organs 
        Steroids have an entirely different structure from fats 
        Phospholipids are the backbone of cellular membranes 
        Fat insulates against heat gain 

Which of the following statements are FALSE? (select all that apply) (Points : 1)

       plan, up, sucrose, ribose, names
       directions, together, deoxyribose, ribose, names
       cell, in, glucose, ribose, functions

Match the number of the correct term to the letter of its location within the following sentence: 
 
The nucleotides in DNA contain the 5-carbon sugar ___A____; the nucleotides in RNA contain the sugar _____B____.  There are four different types of bases in DNA: A = _____C___, T = _____D______, G = ____E_____, and C = _____F_____.  In RNA, the base ______G_______ replaces the base thymine.
(Points : 7) 

Potential Matches:

1 : uracil

2 : adenine

3 : ribose

4 : thymine

5 : guanine

6 : cytosine

7 : deoxyribose

    Answer

     : A

     : B

     : C

     : D

     : E

     : F

     : G

Nucleic acids contain ____________ information that determines which ____________ a cell will have.  Two classes of nucleic acids are in cells: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). DNA makes up the hereditary units called ____________. Genes pass on from generation to generation the instructions for ____________ DNA, making RNA, and ____________ amino acids to form the ____________ of a cell.  RNA is an intermediary in the process of protein synthesis, conveying information from DNA regarding the amino acid ____________ in proteins. (Points : 1)

Which of the following statements are TRUE? (select all that apply) (Points : 1)

Which of the following statements are FALSE? (select all that apply) (Points : 1)

Match the following Chapter 02 "BASIC KEY TERMS" with their correct definitions:
(Points : 10) 

Potential Matches:

1 : the simplest of substances, consisting of only one type of atom   

2 : breaking up of fat globules into smaller droplets by the action of bile salts      

3 : small, negatively charged particle that revolves around the nucleus of an atom

4 : any substance that ionizes and conducts electricity; electrolytes are present in the body fluids and tissues.

5 : unit of heredity located on a chromosome                                                      

6 : protein catalyst that speeds up a specific reaction or a specific type of reaction         

7 : in a covalent molecule, the atom that tend to retain electrons and thus posses a partial negative charge.

8 : molecule that contains a hydrocarbon chain and ends with an acid group                 

9 : in an organic molecule, a particular side chain attached to a larger molecule, which then gives the larger molecule its characteristic properties                                                                        

10 : organic molecule that the body uses for long-term energy storage        

    Answer

     : Emulsification

     : Electronegative

     : Electrons

     : Fats

     : Functional groups

     : Gene

     : Elements

     : Electrolyte

     : Enzyme

     : Fatty acid