Chapter 1 : Introduction To The Human Body Flashcards

(83 cards)

1
Q

Anatomy

A

The branch of science that studies the structure of the body.

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2
Q

Physiology

A

The branch of science that describes how the body functions.

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3
Q

Specialized groups of cells form tissues. Tissues are then arranged into

A

Organs

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4
Q

Homeostasis

A

The body’s ability to maintain a stable internal environment in response to a changing environment.

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5
Q

Anatomical position

A

The is standing erect, with the face forward, the arms at the sides, and the toes and palms of the hands directed forward.

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6
Q

Sagittal plane

A

Divides the body lengthwise into right and left portions

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7
Q

Frontal plane

A

Divides the body into anterior (front) and posterior (back) portions.

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8
Q

Transverse plane

A

Divides the body horizontally, creating an superior (upper) and Inferior (lower) body.

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9
Q

Viscera

A

The organs located within the cavities of the body.

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10
Q

Dorsal Cavity

A

Divided into cranial cavity and vertebral (spinal) cavity.

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11
Q

Cranial cavity

A

Located within the skull and contains the brain

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12
Q

Vertebral (spinal) cavity

A

Extends downward from the cranial cavity and is surrounded by bony vertebrae and contains the spinal cord within.

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13
Q

Thoracic cavity

A

Located above the diaphragm and is surrounded by the rib cage. The thoracic cavity is divided into two compartments by the mediastinum.

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14
Q

Mediastinum

A

A space that contains the heart, thymus gland, and parts of the esophagus, trachea, and large blood vessels attached to the heart.

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15
Q

Pericardial Cavity

A

Located within the mediastinum and contains the heart.

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16
Q

Pleural Cavities

A

The right and left lungs are located on either side of the mediastinum in the pleural cavities.

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17
Q

What are the four quadrants of the abdominopelvic cavity?

A

RUQ : Right Upper Quadrant
RLQ : Right Lower Quadrant
LUQ : Left Upper Quadrant
LLQ : Left Lower Quadrant

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18
Q

Pathophysiology

A

The branch of science that describes the consequences of the improper functioning of the body.

Describes what happens during a heart attack and when the heart functions poorly or not at all.

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19
Q

Structure and ________ are related.

A

Function

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20
Q

What are the levels of organization?

A

Atoms
Molecules
Cells
Tissue
Organ
Organ System
Organism

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21
Q

What are the 12 major organ systems?

A
  1. Integumentary
  2. Skeletal
  3. Muscular
  4. Nervous
  5. Endocrine
  6. Circulatory
  7. Lymphatic
  8. Immune
  9. Respiratory
  10. Digestive
  11. Urinary
  12. Reproductive
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22
Q

Mechanisms that help to maintain homeostasis are called_______.

A

Homeostatic Mechanisms

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23
Q

Superior

A

Above

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24
Q

Inferior

A

Below

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25
Anterior, Ventral
Toward the front
26
Posterior, Dorsal
Toward the back
27
Medial
Toward the midline
28
Lateral
Away from the midline, toward the sides
29
Proximal
Nearest
30
Distal
Away
31
Superficial
Toward the surface
32
Deep
Away from the surface
33
Central
Located in the center.
34
Peripheral
Away from the center
35
Abdominal
Anterior trunk between the ribs and pelvis
36
Antecubital
Area in front of the elbow
37
Axillary
Armpit
38
Brachial
Arm
39
Buccal
Cheek area
40
Cephalic
Head
41
Cervical
Neck
42
Cranial
Nearer to the head
43
Digital
Fingers, toes
44
Femoral
Thigh area
45
Flank
Fleshy area along each side between the lower ribs and the top of the hip bones
46
Inguinal
Area where the sign meets the trunk of the body; often called the groin
47
Oral
Mouth
48
Orbital
Area around the eye
49
Patellar
Front of the knee over the kneecap
50
Pedal
Foot
51
Plantar
Sole of the foot
52
Pubic
Genital area
53
Sternal
Middle of the chest (over the breastbone area)
54
Umbilical
Navel
55
Caudal
Near the tailbone
56
Deltoid
Rounded area of the shoulder closest to the arm
57
Gluteal
Buttocks
58
Lumbar
Area of the back between the ribs and the hips
59
Occipital
Back of the head
60
Popliteal
Behind, or back of, the knee area
61
Scapular
Shoulder blade area
62
What are the nine regions of the abdominopelvic cavity?
Right hypochondriac region, right lumbar region, right iliac region, epigastric region, umbilical region, hypogastric region, left hypochondriac region, left lumber region, left iliac region
63
What are the four smaller cavities located in the head?
Oral, Nasal, Orbital, Middle Ear
64
Word root
The core of the word and provides the basic meaning or “subject” of the word.
65
suffix
A word part attached to the end of the word root; modifies the wood root.
66
Prefix
A word part attached to the beginning of the word root; modifies the word root.
67
Combining vowels
Word parts used to ease the pronunciation, as in angi/o/plasty. “O” is the combining vowel.
68
Break down the word Anatomy.
Ana- = up or apart -tomy = incision; to cut
69
Break down the word antecubital.
Ante- = before; in front of Cubital = from the word meaning “elbow”
70
Break down the word biology.
Bi/o = life -ology = study of
71
Break down the word diagnosis.
Dia- = apart Gnos/o = knowing -osis = condition or increase
72
Break down the word pathologist.
Path/o = disease -logist = specialist
73
Break down the word homeostasis.
Home/o = sameness -stasis = stand still
74
Break down the word transverse.
Trans- = across -verse = from the word meaning “to turn”.
75
Break down the word midepigastric.
Mid- = middle -epi- = above or upon -gastr/o = stomach -ic = pertaining to
76
Break up the word prognosis.
Pro- = before -Gnos/o- = knowing -osis = condition or increase
77
Break down the word quadrant.
Quad- = four -ant = performing/promoting
78
Break down the word hypochondriac.
Hypo- = below -chondr/o- = cartilage -iac = pertaining to Literally means “below the cartilage”. Refers to the composition of the ribs (cartilage)
79
The integumentary system consists of
Skin, hair, nails
80
The skeletal system consists of
Bones, joints, catilage
81
What are the different types of muscles in the muscular system?
Skeletal muscles : attach to the bones and are responsible for movement of the skeleton and the maintenance of body posture. Cardiac muscles : are found in the heart and enable the heart to pump blood throughout the body. Smooth muscles : are found in various organs and tubes; contraction and relaxation of this muscle type helps move body fluid. Vascular smooth muscle : helps to move blood though the blood vessels.
82
The respiratory system also plays a key role in the regulation of ________.
Acid-base balance
83
The urinary system helps control the water, electrolyte, and ___________ in the body.
Acid-base balance