Anatomy And Physiology

Front 1

The best definition of matter is anything that...

Back 1

A. Has weight and takes up space

Front 2

When two monosaccharides undergo a dehydration synthesis,

Back 2

B. A disaccharide is formed

Front 3

When electrons are transformed from one atom to another and the two atoms unite as a result of the electrostatic attraction,

Back 3

D. An ionic bond is formed

Front 4

Enzymes

Back 4

E. All of the above:
are proteins
function as biological catalysts
lower the activation energy for a reaction
affect the rate of a chemical reaction

Front 5

the most important high-energy compound in cells is

Back 5

D. adenosine triphosphate

Front 6

Each amino acid differs from the others in the

Back 6

D. Nature of the R group

Front 7

Each of the following is a function of proteins Except one. Identify the exception

Back 7

E. Absorbtion

Front 8

A class of lipids used to signal cells to undergo changes is called

Back 8

D. Hormones

Front 9

The most important metabolic fuel molecule in the body is

Back 9

E. glucose

Front 10

Carbohydrate molecules may be used for which of the following?

Back 10

E. All of the above:
a primary energy storage molecule
part of a nucleic acid structure
the body's most important source of energy
receptors of the cell surface

Front 11

which of the following is the most abundant chemical compound in the human body

Back 11

A. Water

Front 12

All of the compounds that can be synthesized or broken down by chemical reactions inside the body are called

Back 12

D. Metabolites

Front 13

How many electrons do MOST atoms need in their outer shell to be stable?

Back 13

E. 8

Front 14

Ionic bonds are formed when

Back 14

B. cations and anions are held together by their opposite charges

Front 15

The chemical behavior of an atom is determined by the

Back 15

C. Number and arrangement of electrons

Front 16

The simple units of matter are

Back 16

A. Atoms

Front 17

Which of the following consists of a network of intracellular membranes with attached ribosomes

Back 17

A. Rough ER

Front 18

Which of these is an example of carrier-mediated transport

Back 18

B. facilitated diffusion

Front 19

which of the following contains a double membrane?

Back 19

E. both A and B
Mitochondrion
Nucleus

Front 20

Which of the following is NOT a function or property of the cell membrane?

Back 20

A. ATP protection

Front 21

Cellular organelles are located within the

Back 21

A. Cytoplasm

Front 22

Before a cell can divide by mitosis, which of the following must occur?

Back 22

C. Replication of the DNA

Front 23

During the process of mitosis, duplicated chromosomes line up along the equator of the cell during

Back 23

E. metaphase

Front 24

During the process of mitosis, chromatids separate into daughter chromosomes during

Back 24

E. Anaphase

Front 25

The control center for cellular operations is the

Back 25

A. Nucleus

Front 26

The cell's DNA is located in the

Back 26

D. Nucleus

Front 27

Most of the ATP required to power cellular operations is produced in the

Back 27

D. mitochondria

Front 28

The movement of water across a membrane from an area of low solute concentration to an area of higher solute concentration is known as

Back 28

A. osmosis

Front 29

The movement of oxygen from an area of high concentration to an area of low concentration is an example of

Back 29

C. Diffusion

Front 30

Cell membranes are said to be

Back 30

C. Selectively permeable

Front 31

The watery medium that surrounds a cell is

Back 31

C. extracellular fluid

Front 32

The basic structural and functional unit of the human body is

Back 32

B. The cell

Front 33

Epithelia cells are adapted for

Back 33

E. All of the above:
providing protection
controlling permeability
providing sensations
producing secretions

Front 34

A type of intercellular connection in which the outermost lipid portions of the two cell membranes is fused is termed

Back 34

A. Tight Junction

Front 35

The basic shapes of epithelial cells include all EXCEPT which of the following?

Back 35

A. Stratified

Front 36

Which of the following is a type of secretion in which some cytoplasm is lost with the product?

Back 36

C. Apocrine

Front 37

Each of the following is a function of the integumentary system EXCEPT one. Identify the exception

Back 37

D. Synthesis of vitamin C

Front 38

The two components of the cutaneous membrane are the

Back 38

A. epidermis and dermis

Front 39

The pigment melanin

Back 39

D. A and C only
is produced by cells called melanocytes and is found in higher concentration in individuals with darker skin
Protects DNA from the damaging effects of UV radiation

Front 40

Exposure of the skin to ultraviolet light

Back 40

D. can result in damage to the DNA of cells in the stratum germinativum

Front 41

Glands that discharge a waxy secretion into hair follicles are

Back 41

C. Sebaceous glands

Front 42

Most body odor is the result of bacterial metabolism of the secretions produced by

Back 42

B. Apocrine sweat glands