Ch 1 Flashcards

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1
Q

What body function might a respiratory therapist strive to
improve? What structures are involved?

A
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2
Q

Give your own example of how the structure of a part of the
body is related to its function.

A
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3
Q

anatomy

A

is the science of body structures and the relationships among them

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4
Q

physiology

A

is the science of body functions.

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5
Q

Describe the body’s six levels of structural organization.

A

the chemical, cellular, tissue, organ, system,
and organismal

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6
Q

list 11 body systems of the body

A

integumentary
nervous
cardiovascular
muscular
skeletal
lymphatic
digestive
reproductive
respiratory
endocrine
urinary

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7
Q

molecules

A

two or more atoms joined together

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8
Q

atoms

A

the smallest unit of matter that participates in chemical reactions

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9
Q

. What body function might a respiratory therapist strive to
improve? What structures are involved?

A
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10
Q

chemical level

A

the very basic level including atoms (letters in alphabet)

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11
Q

cellular level

A

molecules combine to form cells (words)

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12
Q

tissue level

A

groups of cells and the matericals surrounding them that work togtehr to perform a particular function ( sentence)

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13
Q

organ level

A

different types of tissues joined together (paragraphs)

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14
Q

organs

A

structures that are composed of two or more different types of tissues; they have specific functions and usually have recognizable shapes

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15
Q

system level

A

a system (chapter)

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16
Q

organismal level

A

an organism any living individual (book)

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17
Q

metabolism

A

the sum of all chemical process that occur in the body

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18
Q

catabolism

A

first phase- the breakdown of complex chemical substances into simpler componentss

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19
Q

anabolism

A

2 phase -of metabolism the building of complex chemical substances from smaller, simpler components

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20
Q

responsiveness

A

the body’s ability to detect and respond to changes

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21
Q

basic life process of human body

A

metabolism
responsiveness
movement
growth
differentiation
reproduction

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22
Q

movement

A

motion of the whole body, individual organs, single cell and even tiny structures inside cells

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23
Q

growth

A

increase in body size that results from an increase in size of existing cells, and increase in the number of cells, or both

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24
Q

differentiation

A

is the development of a cell from an unspecialized to a specialized state- ex precursor cells

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25
Q

reproduction

A

1- the formation of new cells for tissue growth, repair, or replacement
2 the production of a new individual

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26
Q

homeostasis

A

the maintenance of relatively stable conditions in the body’s internal environment

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27
Q

body fluids

A

dilute, watery solutions containing dissolved chemical that are found inside cells as well as surrounding them

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28
Q

intracellular fluid

A

ICF- the fluid inside body cells

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29
Q

extracellular fluid

A

ECF- fluid outside the body cells

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30
Q

interstitial fluid

A

the ECF that fills the narrow space between cells of tissues

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31
Q

blood plasma

A

fluid within blood vessels

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32
Q

lymph

A

fluid within lymphatic vessels

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33
Q

cerebrospinal fluid

A

fluid in and around brain and spinal cord

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34
Q

synovial fluid

A

fluid within joints

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35
Q

aqueous humor and vitreous body

A

fluid of the eye

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36
Q

feedback system or feedback loop

A

the body can regulate its internal environment through many feedback systems- cycle of events in which the status of the body conditions is monitored, elevated, changed, remonitored, reevaluated, etc.

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37
Q

controlled condition(controlled variable) example

A

monitored variable- ex body temp, BP, blood glucose.

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38
Q

stimulus

A

any disruption that changes a controlled condition

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39
Q

receptor

A

body structure that monitor changes in a controlled condition and send input to a control center

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40
Q

afferent pathway

A

a neural pathway that conducts impulses from a sense organ TOWARD the brain or spinal cord or from one brain region to another region

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41
Q

input

A

that send nerve impulses or chemical signals to a control center

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42
Q

control center

A

the body, for example, the brain, sets the narrow range or set point within which a controlled condition should
be maintained, evaluates the input it receives from receptors, and
generates output commands when they are needed

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43
Q

output

A

from
the control center typically occurs as nerve impulses, or hormones or other chemical signals

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44
Q

efferent pathway

A

nerve structures through which impulses are conducted from a nerve center toward a peripheral site

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45
Q

effector

A

a body structure that receives output from the control center and produces a response or effect that changes the controlled condition

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46
Q

response

A

that alters the controlled condition

47
Q

what is the difference from a negative feedback system to a positive feedback system

A

in a positive feedback system, the response affects the controlled condition differently than in a negative feedback system. The control center still provides commands to an effector, but this time the effector produces a physiological response that adds to or reinforces the initial change in the
controlled condition. The action of a positive feedback system continues until it is interrupted by some mechanism

48
Q

negative feedback system

A

reverses a change in a controlled condition- ex- BP, temp, Blood sugar

49
Q

positive feedback system

A

tends to strengthen or reinforce a change in one of the body’s controlled conditions- ex- normal child birth

50
Q

Outline the major body cavities, the organs they contain, and their
associated linings

A
51
Q

anatomical position

A

Descriptions of any region or part of the human body assume that it is
in a standard position of reference

52
Q

prone position

A

lying facedown

53
Q

supine position

A

lying faceup

54
Q

lower limb

A

regional name- attached to the trunk and consists of the buttocks, thigh, leg, ankle and foot

55
Q

. Describe the locations of intracellular fluid, extracellular fluid,
interstitial fluid, and blood plasma

A
56
Q

Why is extracellular fluid called the internal environment of the
body?

A
57
Q

What types of disturbances can act as stimuli that initiate a
feedback system?

A
58
Q

. Define receptor, control center, and effector

A
59
Q

. What is the difference between symptoms and signs of a disease?
Give examples of each.

A
60
Q

directional terms

A

words that describe the position of one body part relative to another

61
Q

directional terms can be used to specify the relationships between (1) the elbow and the shoulder, (2) the left and
right shoulders, (3) the sternum and the humerus, and (4) the
heart and the diaphragm?

A
62
Q

superior

A

toward the head, or upper part of body structure

63
Q

inferior

A

away from the head, or lowest part of a structure

64
Q

anterior

A

nearer to or at the front of the body

65
Q

posterior

A

nearer to or at the back of the body

66
Q

medial

A

nearer to midline

67
Q

lateral

A

farther from the midline

68
Q

intermediate

A

between two structures

69
Q

ipsilateral

A

on the same side of the body as another structure

70
Q

contralateral

A

on the opposite side of the body from another structure

71
Q

proximal

A

nearer to the attachment of a limb, nearer to the origination of a structure

72
Q

distal

A

farther from the attachment of a limb, farther from the origination of a structure

73
Q

superficial

A

toward or on the surface of the body

74
Q

deep

A

away from the surface of the body

75
Q

planes

A

imaginary flat surfaces that pass through the body parts

76
Q

sagittal plane

A

is a vertical plane that divides the body or an organ into right and left sides

77
Q

midsagittal plane

A

divides into equal left and rights sides down the midline of the body

78
Q

parasagittal plane

A

unequal left and right sides of the body

79
Q

frontal plane

A

divides body or organ into from front(anterior) and back (posterior) portions

80
Q

transverse plane (cross- sectional/ horizontal plane)

A

divides the body or an organ into superior (upper) and inferior (lower) portions

81
Q

oblique plane

A

passes through the body or an organ at an oblique angle ( any angle other than a 90 degree angle)

82
Q

section

A

cut in the body or one of its organs made along one of the planes just described - indicates how three different
sections—midsagittal,

83
Q

body cavities

A

spaces that enclose internal organs

84
Q

cranial cavity

A

contains the brain in a hollow space

85
Q

thoracic cavity (chest cavity)

A

contains pleural and pericardial
cavities and the mediastinum

86
Q

pericardial cavity

A

within the thoracic cavity- a fluid filled space that surrounds the heart, and two fluid- filled spaces

87
Q

pleural cavities

A

fluid filled space around the lungs, and heart

88
Q

mediastinum

A

central part of the thoracic cavity is an anatomical region, extends from sternum to vertebral column and from first rib to diaphragm, contains heart, thymus, esophagus, trachea and several large blood vessels

89
Q

abdominopelvic cavity

A

extends from the diaphragm to the groin and is encircled by the abdominal muscular wall and bones and muscles of the pelvis

90
Q

abdominal cavity

A

contains stomach, spleen, liver, gallbladder,
small intestine, and most of large intestine; the
serous membrane of the abdominal cavity is
the peritoneum.

91
Q

pelvic cavity

A

contains urinary bladder, portions of large intestines and internal organs of reproduction

92
Q

peritoneum

A

is the serous membrane of the abdominal cavity

93
Q

visceral peritoneum

A

covers the abdominal viscera

94
Q

parietal peritoneum

A

lines the abdominal wall covering the inferior surface of the diaphram

95
Q

retroperitoneal

A

posterior to the peritoneum- the kidneys, adrenal glands, pancreas, duodenum of small intestines, ascending and descending colons large intestines, abdominal aorta and inferior vena cava

96
Q

membrane

A

a thin, pliable tissue that covers, lines, partitions or connects structures

97
Q

right hypochondriac

A
98
Q

epigastric

A
99
Q

left hypochondriac

A
100
Q

umbilical

A
101
Q

right lumber

A
102
Q

left lumbar

A
103
Q

right inguinal

A
104
Q

hypogastric

A
105
Q

left inguinal

A
106
Q

umbilicus

A

betty button

107
Q

RUQ

A
108
Q

LUQ

A
109
Q

RLQ

A
110
Q

LLQ

A
111
Q

pericardium

A

serous membrane of the pericardial cavity

112
Q

pleura

A

serous membrane of the pleural cavities

113
Q

What structures separate the various body cavities from one another?

A
114
Q
A