CHAPTER 21

Question 1

in the anatomical position the body is

Answer 1

standing with the arms at the sides and palms facing forward

Question 2

with anatomical position are the fingers compared to the elbow

Answer 2

distal

Question 3

molecules are composed of

Answer 3

at least two atoms bonded together

Question 4

at what pH is solution neither an acid nor a base

Answer 4

7

Question 5

what is the term for the segment of DNA that determines a boy trait

Answer 5

gene

Question 6

the directional position above or close to the head is which of the following terms

Answer 6

superior

Question 7

what is the term for a directional position that is farther away from the midline of the body

Answer 7

lateral

Question 8

the position toward the front of the body is

Answer 8

anterior

Question 9

the position closest to the midline of the body is

Answer 9

medial

Question 10

in what directional position is the skin relative to the muscles

Answer 10

superficial

Question 11

which of the following describes a position close to the point of attachment or the trunk or to the trunk of the body

Answer 11

proximal

Question 12

the elbow____to the wrist

Answer 12

proximal

Question 13

which of the following divided the body into inferior and superior portions

Answer 13

transverse

Question 14

which plane divides the body into right and left portions

Answer 14

sagittal

Question 15

which plane divides the body into anterior and posterior portions

Answer 15

frontal

Question 16

the___ plane divides the body equally into right and left halves

Answer 16

midsagittal

Question 17

when positively or negatively charged particles are released by electrolytes they are called

Answer 17

ions

Question 18

when put in water, ___ release or negatively charges ions

Answer 18

electrolytes

Question 19

which of the following releases hydrogen ions in water

Answer 19

acids

Question 20

what is the term for the overall chemical functioning of the body

Answer 20

metabolism

Question 21

which of the following is primarily used to make energy

Answer 21

carbohydrates

Question 22

triglycerides that are used to store energy for cells are one form of

Answer 22

lipid

Question 23

which substance are the strucural materials for building solid body parts

Answer 23

protein

Question 24

the genetic information for the body is located in

Answer 24

DNA

Question 25

which of the following is usually found near the center of the cell and contains the chromosomes

Answer 25

nucleus

Question 26

which of the following is made up of phospholipids protein cholesterol and carbohydrates and is very thin and selectively permeable

Answer 26

cell membrane

Question 27

the___ of a cell is mostly water ions and nutrients and contains organelles that preform many functions

Answer 27

cytoplasm

Question 28

carrier proteins help move substances from an area of high concentration by

Answer 28

active transport

Question 29

when some type of pressure forces substances across a membrane it is called

Answer 29

filtration

Question 30

the movement of water across a selectively permeable membrane is___

Answer 30

osmosis

Question 31

substances "spread out" by

Answer 31

diffusion

Question 32

the movement of substance from an area of high concentration to an area low concentration across a semipermeable membrane is

Answer 32

diffusion

Question 33

which of these are genetic disorders in which clotting factors are missing primarily affects males

Answer 33

hemophilia

Question 34

which of the following is a life threating disease that mainly affects the lungs and pancreas

Answer 34

cystic fibrosis

Question 35

the inability to synthesize the enzyme needed to produce tyrosine results in___ which if not detected early can cause irreversible organ and brain damage

Answer 35

phenylketonuria (PKU)

Question 36

the disorder in which a person is born without pigmentation in the skin eyes and hair is

Answer 36

albinism

Question 37

which type of tissue covers the body and most organs

Answer 37

epithelial

Question 38

what type of tissue specializes in sending electrical messages

Answer 38

nerve

Question 39

glandular tissue is classified as a type of___tissue

Answer 39

epithelial

Question 40

which type of tissue is able to contract and relax

Answer 40

muscle

Question 41

cartilage is which type of tissue that gives shape to structures such as the ears and nose

Answer 41

connective

Question 42

which tissues can be voluntary or involuntary in its action

Answer 42

muscle

Question 43

which tissue is located in the brain and the spinal cord

Answer 43

nerve

Question 44

in medical terminology the word part at the end of the word which alters the meaning of the word root is the

Answer 44

suffix

Question 45

what word part is added to the beginning of a medical term that alters the meaning of the word root

Answer 45

prefix