intro to human body and chemical level

Question 1

the chemical bonds formed between the atoms in a water molecule are called

Answer 1

polar covalent bonds

Question 2

this is the name given to a negatively charged atom

Answer 2

anion

Question 3

the primary structure of a protein consists of

Answer 3

a sequence of amino acids linked by peptide bonds

Question 4

which of the following anatomical terms refer to the front of the elbow

Answer 4

olecranal (?)

Question 5

this is the study of the function of body structures

Answer 5

physiology

Question 6

which of the following is a polysaccharide that serves as a storage form of energy in muscle and liver cells

Answer 6

glycogen

Question 7

this is the sum of all chemical processes that occur in the body

Answer 7

metabolism

Question 8

what are the four major elements found in the chemicals that comprise the human body ?

Answer 8

carbon, hydrogen, oxygen, nitrogen

Question 9

this planes divides the body into anterior and posterior portions

Answer 9

frontal

Question 10

this is the structure of a feedback system that provides input to the control center

Answer 10

receptor

Question 11

an enzyme acts to

Answer 11

lower the activation energy needed to start the reaction

Question 12

which of the following is a common function of RNA?

Answer 12

transfer information for protein synthesis

Question 13

this directional term means farther from the midline

Answer 13

lateral

Question 14

this is defined as a group of cells that work together to perform a particular function

Answer 14

tissue

Question 15

a chemical compound that helps control the pH of a solution by adding or removing hydrogen ions is a(n)

Answer 15

buffer

Question 16

the lungs are located in the

Answer 16

pleural cavity

Question 17

which of the following subatomic particles are shared by two atoms to form covalent bonds ?
protons, neutrons, or electrons

Answer 17

electron

Question 18

the two organ systems that regulate and maintain homeostasis

Answer 18

nervous and endocrine

Question 19

the brain is located in the

Answer 19

cranial cavity

Question 20

which of the following structures or regions could you see clearly when you are viewing the anterior side of an individual standing in the standard anatomical position ?

Answer 20

palm of the hand

Question 21

this directional term means farther from the attachment of a limb to the trunk or farther from the origination of the structure

Answer 21

distal

Question 22

structural organization
largest to smallest

Answer 22

organism, organ system, organ, tissue, cell, chemical

Question 23

during a visit with your doctor you complain about headache and nausea. these changes in your bodily function are considered to be

Answer 23

symptoms

Question 24

AB+CD-> AD+BC is a general example of a

Answer 24

exchange reaction

Question 25

which of the following is a monosaccharide that is used by cells to produce energy

Answer 25

glucose

Question 26

study of the functions of the kidneys

Answer 26

renal physiology

Question 27

this type of fatty acid contains more than one double bond in its hydrocarbon chain

Answer 27

polyunsaturated

Question 28

this type of lipid is the body’s primary long-term energy storage molecule

Answer 28

triglyceride

Question 29

serous membrane closest to lungs

Answer 29

visceral pleura

Question 30

which of the following is not a property of enzymes

Answer 30

enzymes are irreversibly changed by the reactions that they catalyze

Question 31

a transverse plane

Answer 31

superior and inferior portions

Question 32

this type of chemical reaction breaks larger reactants into smaller products

Answer 32

decomposition

Question 33

this type of protein is involved with shortening of muscle cells to produce movement

Answer 33

contractile

Question 34

thumb

Answer 34

pollex

Question 35

which of the following is not a common characteristic of a negative feedback system

Answer 35

usually requires an event outside the feedback system to shut it off

Question 36

which of the following can lower the amounts of free radicals in the body

Answer 36

antioxidants

Question 37

cellulose is a

Answer 37

polysaccharide

Question 38

capacity to do work

Answer 38

energy

Question 39

which of the following is a major function of DNA?

Answer 39

long-term storage of information for protein synthesis

Question 40

which cavity contains the heart

Answer 40

pericardial cavity

Question 41

which of the following organs contains the control center for the feedback system that regulates BP

Answer 41

brain

Question 42

ear

Answer 42

otic

Question 43

study of the functional properties of nerve cells

Answer 43

neurophysiology

Question 44

study of the functional changes associated with disease and aging

Answer 44

pathophysiology

Question 45

the energy stored in the bonds of the molecules in the foods that humans eat is 1. a form of kinetic energy 2. a form of potential energy 3. referred to as chemical energy

Answer 45

2 and 3

Question 46

this refers to the weighted average of the atomic weights of all naturally occurring isotopes of an element

Answer 46

atomic mass

Question 47

which of the following describes the major significance of the element carbon in the body

Answer 47

forms backbone of all organic molecules

Question 48

which of the following carbohydrates is a disaccharide

Answer 48

lactose