EMT Vocab chap 6

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Abdomen

1 / 235

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Medicine

12th

236 Terms

1

Abdomen

The body cavity that contains many of the major organs of digestion and excretion. It's located below the diaphragm and above the pelvis

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2

Acetabulum

The depression on the the lateral pelvis where its three component bones join, i which the femoral head fits snugly.

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3

Adenosine triphosphate (ATP)

The nucleotide involved in energy metabolism; used to store energy.

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4

Adrenal glands

Endocrine glands located in top of the kidneys that release adrenaline when stimulated by the sympathetic nervous system.

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5

Adrenergic

Pertaining to nerves that release the neurotransmitter norepinephrine or noradrenaline(eg, adrenergic nerves, adrenergic response); also pertains to the receptors acted on by norepinephrine

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6

Aerobic metabolism

Metabolism that can proceed only in the presence of oxygen.

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7

Agonal gasps

Abnormal breathing pattern characterized by slow, gasping breaths, sometimes seen in patients in cardiac arrest.

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8

Alpha-adrenergic receptors

Portions of the nervous system that, when stimulated, can cause constriction of blood vessels.

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9

Alveoli

The air sacs of the lungs in which the exchange of oxygen and carbon dioxide takes place.

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10

Anaerobic metabolism

Metabolism that takes place in the absence of oxygen; the main by-product is lactic acid.

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11

Anatomic position

The position of reference in which the patients stands facing forward, arms ay the side, with palms of the hands forward.

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12

Anatomy

The study of the physical structure of the body and its components.

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13

Aorta

The main artery leaving the left side of the heart and carrying freshly oxygenated blood to the body.

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14

Appendicular skeleton

The portion of the skeletal system that comprises the arms, legs, pelvis, and shoulder girdle.

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15

Appendix

A small, tubular structure that is attached to the lower border of the cecum in the lower right quadrant of the abdomen.

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16

Arterioles

The smallest branches of arteries leading to the vast network of capillaries.

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17

Articular cartilage

A pearly layer of specialized cartilage covering the articular surfaces (Contact surfaces on the ends) of bones in synovial joints.

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18

Atrium

One of the two upper chambers of the heart.

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19

Autonomic nervous system

The part of the nervous system that regulates functions, such as digestion and sweating, that are not controlled voluntarily.

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20

Axial skeleton

The part of the skeleton comprising the skull, vertebral column, and rib cage,

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21

Axons

Extensions of a neuron that carry impulses away form the nerve cell body to the dendrites (receivers) of another neuron.

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22

Ball-and-socket joint

A joint that allows internal and external rotation, as well as bending.

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23

Beta-adrenergic receptors

Portions of the nervous system that, when stimulated, can cause an increase in the force of contraction of the heart, an increased heart rate, and bronchial dilation.

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24

Biceps

The large muscle that covers the front oof the humerus.

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25

Bile ducts

The ducts that convey bile between the liver and the intestine.

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26

Blood pressure (BP)

The pressure that the blood exerts against the walls of the arteries as it passes through them.

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27

Brachial artery

The major vessel in the upper extremities that supplies blood to the arm.

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28

Brain

The controlling organ of the body and center of consciousness; functions include perception, control of reactions to the environment, emotional responses, and judgement.

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29

Brainstem

he area of the brain between the spinal cord and cerebrum, surrounded by the cerebellum ; controls functions that are necessary of life, such as respiration.

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30

Calcaneus

The heel bone.

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31

Capillary vessels

The tiny blood vessels between the arterioles and venules that permit transfer of oxygen, carbon dioxide, nutrients, and waste between body tissues and the blood.

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32

Cardiac muscle

The heart muscle.

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33

Cardiac output

A measure of the volume of blood circulated by the heart in 1 minute, calculated by multiplying the stroke volume by the heart rate.

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34

Carotid artery

The major artery that supplies blood to the head and brain.

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35

Carpals

Small bones that compose the wrist.

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36

Cartilage

The smooth connective tissue that forms the support structure of the skeletal system and provides cushioning between bones ; also forms the nasal septum and portions of the outer ear.

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37

Cecum

The first part of the large intestine, into which the ileum opens.

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38

Cellular metabolism

A set pf chemical reactions that supplies cells with energy. Includes both anaerobic and aerobic metabolism.

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39

Central nervous system (CNS)

The brain and spinal cord.

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40

Cerebellum

One of the three major subdivisions of the brain, sometimes called the little brain ; coordinates the various activities of the brain, particularly fine body movements.

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41

Cerebrospinal fluid (CSF)

Fluid produced in the ventricles of the brain that flows in the subarachnoid space and bathes meninges.

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42

Cerebrum

The largest part of the three subdivisions of the brain, sometimes called the gray matter ; made up of several lobes that control movement, hearing, balance, speech, visual perception, emotions, and personality.

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43

Cervical spine

The portion of the vertebral column consisting of the first seven vertebrae that lie in the neck.

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44

Chordae tendineae

Thin band of fibrous tissue that attach to the values in the heat and prevent them from inverting.

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45

Chyme

The substance that leaves the stomach. It's a combo of all of the eaten foods with added stomach acids.

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46

Circulatory system

The complex arrangement of connected tubes, including the arteries, arterioles, capillaries, venules, and veins, that moves blood, oxygen, nutrients, carbon dioxide, and cellular waste throughout the body.

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47

Clavice

he collarbone ; it's lateral to the sternum and anterior to the scapula.

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48

Coccyx

The last three or four vertebrae of the spine ; the tail bone.

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49

Coronal (frontal) plane

An imaginary plane where the body is divided into front and back parts.

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50

Coxae

The hip bones (Singular:coxa)

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51

Cranium

The part of the skull that encloses the brain and is composed of eight bones.

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52

Cricoid cartilage

A firm ridge of cartilage that forms the lower part of the larynx.

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53

Cricothyroid membrane

Thin sheet of fascia that connects the thyroid and crinoid cartilages that make up the larynx.

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54

Dead space

Ay portion of the airway that does contain air and cannot participate in gas exchange, such as the trachea and bronchi.

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55

Dermis

The inner layer of the skin, containing hair follicles, sweat glands, nerve endings, and blood vessels.

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56

Diaphragm

A muscular dome that forms the undersurface of the thorax, separating the chest from the abdominal cavity. Contraction of this ( and the chest wall muscles) brings air into the lungs. Relaxation allows air to be expelled form the lungs.

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57

Disatole

The relaxation, or period of relaxation, of the heart especially of the ventricles.

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58

Diffusion

Movement of a gas from an area of high concentration to an area of lower concerntration.

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59

Digestion

The processing of food that nourishes the individual cells of the body.

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60

Dorsalis pedis artery

The artery on the anterior surface of the foot between the first and second metatarsals.

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61

Endocrine system

The complex message and control system that integrates many body functions, including the release of hormones.

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62

Enzymes

Substances designed to speed up the rate of specific biochemical reactions.

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63

Epidermis

The outer layer of skin, which is made up of cells that are sealed together to form a watertight protective covering for the body.

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64

Epiglottis

A thin, leaf-shaped value that allows air to pass into the trachea but prevents food and liquids from entering.

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65

Epinephrine

A substance produced by the body (commonly called adrenaline), and a drug produced by pharmaceutical companies that increases pulse rate and blood pressure ; the drug of choice for an anaphylactic reaction.

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66

Esophagus

A collapsible tube that extends from the pharynx to the stomach; muscle contractions propel food and liquids through it to the stomach.

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67

Expiratory reserve volume

The amount of air that can be exhaled following anormal exhalation ; average volume is about 1,200 mL in the average adult man

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68

Extension

The straightening of a joint

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69

Fallopian tubes

The tubes that connect each ovary with the uterus and are the primary location for fertilization of the ovum.

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70

Femoral artery

The major artery of the thigh, a continuation of the external iliac artery. It supplies blood to the lower Abdominal wall, external genitalia, and legs. It can be palpated in the groin area.

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71

Femoral head

The proximal end of the end of the femur, articulating with he acetabulum to form the hip joint.

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72

Femur

The thighbone; the longest and one of the strongest bones in the body.

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73

Fibula

The smaller of the two bones that form the lower leg, located on the lateral side.

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74

Flexion

The bending of a joint

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75

Foramen magnum

A large opening at the base of the skull through which the brain connects to the spinal cord.

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76

Frontal bones

The bones of the cranium that form the forehead.

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77

Gallbladder

A sac on the undersurface of the liver that collects bile from the liver and discharges it into the duodenum through the common bile duct.

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78

Genital system

The reproductive system in men and women.

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79

Germinal layer

The deepest layer of the epidermis where new skin cells are formed.

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80

Greater trochanter

A bony prominence on the proximal lateral side of the thigh just elbow the hip joint.

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81

Hair follices

The small organs that produce hair.

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82

Heart

A hollow muscular organ that pumps blood throughout the body.

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83

Heart rate (HR)

The number of heartbeats during a specific time (usually 1 minute).

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84

Hemoglobin

An oxygen-carrying protein found in red blood cells.

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85

Hinge joints

Joints that cab vend and straighten but cannot rotate; they restrict motion to one plane.

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86

Hormones

Substances formed in specialized organs or glands and carried to another organ or group of cells in the same organism; they regulate many body functions, including metabolism, growth, and body temperature.

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87

Humerus

The supporting bone of the upper arm.

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88

Hydrostatic pressure

The pressure of water against the walls of its container.

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89

Hypercapnia

An abnormally high lvl of carbon dioxide in the bloodstream; also celled hypercarbia.

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90

Hypoperfusion

A condition in which the circulatory system fails to provide sufficient circulation to maintain normal cellular function; also called shock.

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91

Hypoxia

Deficient oxygen concentration in the tissues.

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92

Hypoxic drive

A "backup system" to control respiration; senses drops in the oxygen level in the blood.

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93

Ilium

One of three bones that fuse to form the pelvic ring.

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94

Inferior vena cava

One of the two largest veins in the body; carries blood form the lower extremities and the pelvis and abdominal organs to the heart.

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95

Inspiratory reserve volume

The amount of air that can be inhaled after a normal inhalation; the amount of air that can be inhaled in addition to the normal tidal volume.

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96

Interstitial space

The space in between the cells.

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97

Intervertebral disks

Tough, elastic structures between adjoining vertebrae that acts as shock absorbers.

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98

Intracellular space

The space within a cell or cells.

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99

Involuntary muscle

The muscle over which a person has no conscious control. It's found in automatic regulating systems of the body.

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100

Ischium

One of three bones that fuse to form the pelvic ring.

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