Study Guide For Quize 2

Front 1

Homeostaisi

Back 1

Body's ability to detect change, and oppose it to maintain a stable internal environment

Front 2

FeedBack Mechanisms

Back 2

Psotive & Negative

Front 3

Negative Feedback

Back 3

Process in which the body senses a change and activates mechanisms to negate or reverse it

Front 4

Positive Feedback

Back 4

Self-amplifying cycle where a physiological changr leads to even greater change in the same diorection

Front 5

Atayomical Position

Back 5

Assumption of the body position that medical professionals use to identify where structures are located

Person stands erect

Feet flat on floor close togther

arms at sides

palms supinated

face directed forward

Front 6

Directional Terms

Back 6

Words that describe the location of one struvture relative to another

Front 7

Supinate

Back 7

Palms Anterior

Front 8

Pronation

Back 8

Palms posterior

Front 9

Supine

Back 9

Laying face up

Front 10

Prone

Back 10

Laying face down

Front 11

Ventral

Back 11

Toward the front or belly

Front 12

Dorsal

Back 12

Toward the back or spine

Front 13

Anterior

Back 13

Front

Front 14

Posterior

Back 14

Back

Front 15

Cephalic

Back 15

Toward the head or superior end

Front 16

Caudal

Back 16

Toward the tail or inferior end

Front 17

Superior

Back 17

Above

Front 18

Inferior

Back 18

Below

Front 19

Medial

Back 19

Toward medial Plane/ midline

Front 20

Lateral

Back 20

Away from medial plane/ midline

Front 21

Proximal

Back 21

Closer to point of attachment or organ

Front 22

Distal

Back 22

Farther from point of attachment or origin

Front 23

Ipsilateral

Back 23

On the same side of the body

Front 24

Contralateral

Back 24

On the opposite side of the body

Front 25

Visceral

Back 25

Pertaining to organ

Front 26

Parietal

Back 26

Pretaining to cavity lining

Front 27

Afferent

Back 27

to cary toward

Front 28

Efferent

Back 28

To Carry Away

Front 29

Superificial

Back 29

Closer to the surface of the body

Front 30

Deep

Back 30

Farther from the surface of the body

Front 31

Body Cavities

Back 31

Areas where membranes and internal organs are found

Cranial cavity and Vertebral Canal

Thoratici Cavity

Abdominopelvelvic Cavity

Front 32

Cranial Cavity

Back 32

Enclosed by the cranium and contains the brain

Front 33

Vertebral Canal

Back 33

Enclosed by the vertebral column and contains the spinal cord

Front 34

Meninges

Back 34

Membranous layers the surround the cranial cavity and vertebral canal

Front 35

Thoracic Cavity

Back 35

Diaphragm Separates the thoractic cavity from the abdominal pelvic cavity

Mediastinum Thick wall that separates the thoracic cavity

Front 36

Pericardium

Back 36

Double layered sac that surrounds the heart

Front 37

Visceral Pericardium

Back 37

Inner layer around the heart

Front 38

Parietal Paricardium

Back 38

Outer Layer that surrpunds the heart

Front 39

Pericardial cavity

Back 39

Space between the layers that contains percardial fluid

Front 40

Pleura

Back 40

Double layered sac that surronds thelungs

Front 41

Visceral Pleura

Back 41

Forms the external surface of the lungs

Front 42

Parietal Pleura

Back 42

Lines the inside of the rib cage

Front 43

Plerual cavity

Back 43

Space between the layers that contains pleural fluid

Front 44

Abdominal Cavity

Back 44

Digestibe organs

Spleen

Kidneys

Ureters

Front 45

Pelvic Cavity

Back 45

Rectum,

Urinary bladder

urethra

reproductive organs

Front 46

Peritoneum

Back 46

Double layered serous membrane around Abdominopevic Cavity

Front 47

Visceral Peritoneum

Back 47

Abdominopelvic inner layer

Front 48

Perietal Pertoneum

Back 48

Abdominopelvic cavity outer layer

Front 49

Peritonel Cavity

Back 49

Spave between the layers that contain peritoneal fluid in abdominopelvic cavity

Front 50

Atomic Structure

Back 50

Atom Basic building block of matter

Nucleus, protons, neutrons, elctrons

Front 51

Nuceus

Back 51

Center of an atom

Front 52

Protons

Back 52

Postive charge

Front 53

Neutrons

Back 53

No charge

Front 54

Electrons

Back 54

Negative charge

Front 55

Atomic Numbers

Back 55

Number of protons in a nucleus

Front 56

Atomic Mass

Back 56

Total number of protons and necutrons in a nucleus

Front 57

Electron Shells/ Energy Levels

Back 57

Where electrons are found around nucelus in concentric regions

Front 58

First shell

Back 58

2 electrons

Front 59

Second shell

Back 59

8 electrons

Front 60

Valence elctrons

Back 60

Elctrons of outermost shell

Determine chemical property of an atom

Atom tend to bond with other atoms that will fill its outer shell

Front 61

Chemical Bonds

Back 61

Atraction of one moleculeto another

Ionic

Colvalent

Hydrogen

Front 62

Ionic Bonds

Back 62

Attaction of a cation to an anion

one atom fives up electrons an the other takes them

Easily disrupted in water as when salt dissolves

Front 63

Covalent Bond

Back 63

Sharing of one or more pairs of electrons

Front 64

Single Covalent bond

Back 64

Sharing of a single pair of electrons

Front 65

Double covalent bound

Back 65

Sharing of two pairs of electrons

Front 66

Nonpolar covalent bond

Back 66

When shared electrons spend approximatelly equal time around each nucleus

Front 67

Polar Covalent bond

Back 67

Shared electrons spend significantly more time orbiting one nucleus then they do the other

Front 68

Hydrogen Bond

Back 68

Weak attraction between a slightly positive hydrogen atom in one molecule and slightly negative oxygen or nitrogen atom in another

Front 69

pH

Back 69

Scale that ranges from 0.0 to 14.0

7.0 neutral

below - acidic

above 7- alkaline or base

Front 70

Acid

Back 70

Releasels a H+

Front 71

Base

Back 71

Accepts H+