LO 1 Flashcards

1
Q

Define anatomy

A

Derived from two words that mean “cutting apart” - focuses on the structure of the human party by cutting apart through dissection or imaging

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2
Q

Define physiology

A

The study of the functions of living organisms and their parts - done through experimentation

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3
Q

What is the relationship of anatomy to physiology?

A

Anatomical structures are suited to perform specific functions (size, shape, form, or position in body related to ability to perform specialized activities)

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4
Q

What are the 7 levels of organization from smallest to largest?

A
  1. Chemical - atoms and molecules
  2. Organelle
  3. Cell - smallest living unit
  4. Tissue - organizations of similar cells that work together
  5. Organ - organizations of different tissues that work together
  6. Organ systems - organizations of many organs that work together
  7. Organism - the living thing
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5
Q

Define anatomical position

A

Standing erect with the arms at the sides and palms turned forward. Head and feet also point forward.

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6
Q

Describe supine position

A

Body laying down facing upward

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7
Q

Describe prone position

A

Body laying down facing down

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8
Q

Superior is the opposite of ______

A

Inferior

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9
Q

Anterior is the opposite of _______

A

Posterior

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10
Q

Medial means _______

A

Toward the midline

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11
Q

Lateral means ________

A

Toward the side of the body and away from midline

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12
Q

Proximal means ________

A

Toward the nearest trunk of the body or point of origin of one of its parts

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13
Q

Distal means _________

A

Away from or farthest from the trunk or point of origin

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14
Q

The opposite of superficial is _________

A

Deep

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15
Q

Describe the saggital plane

A

Lengthwise plane that divides the body into left and right sections (do not need to be equal sizes)

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16
Q

Describe the midsagittal plane

A

Divides the body into two equal left and right halves

17
Q

Describe the frontal or coronal plane

A

Lengthwise plane that divides the body into anterior and posterior sections

18
Q

Describe the transverse plane

A

Horizontal plane that divides the body into upper and lower sections

19
Q

Name the two major body cavities

A
  1. Ventral - whole abdominal cavity
  2. Dorsal - cranial and spinal cavity
20
Q

What cavities are included in the ventral body cavity?

A
  1. Thoracic cavity
  2. Abdominopelvic cavity
21
Q

What divides the thoracic cavity from the abdominopelvic cavity?

A

The diaphragm

22
Q

What are the two sections of the thoracic cavity?

A
  1. Pleural cavity
  2. Mediastinum
23
Q

Describe the mediastinum

A

Mid-portion of the thoracic cavity - contains the heart and trachea

24
Q

Describe the pleural cavities

A

Part of the thoracic cavity that contains the lungs - left lung in left cavity, right lung in right cavity

25
Q

What is contained in the abdominal cavity?

A

Stomach, intestines, liver, gallbladder, pancreas, and spleen

26
Q

What is contained in the pelvic cavity?

A

Reproductive organs, urinary bladder, and lowest part of the intestines

27
Q

Name the 4 quadrants of the abdominopelvic cavity

A
  1. Right upper quadrant (RUQ)
  2. Left upper quadrant (LUQ)
  3. Right lower quadrant (RLQ)
  4. Left lower quadrant (LLQ)
28
Q

Name the top three regions of the abdominopelvic cavity

A
  1. Right hypochondriac region
  2. Epigastric region
  3. Left hypochondriac region
29
Q

Name the mid three regions of the abdominopelvic cavity

A
  1. Right lumbar (flank) region
  2. Umbilical region
  3. Left lumbar (flank) region
30
Q

Name the lowest three regions of the abdominopelvic cavity

A
  1. Right iliac (inguinal) region
  2. Hypogastric (pubic) region
  3. Left iliac (inguinal) region
31
Q

Name the two components of the dorsal cavity

A
  1. Cranial cavity - contains brain
  2. Spinal cavity - contains spinal cord
32
Q

What is contained in the axial region?

A

Head, neck, torso/trunk

33
Q

What comprises the appendicular region?

A

Upper and lower extremities

34
Q

Define homeostasis

A

Relative consistency of the internal environment

35
Q

Define feedback loops

A

The basic type of control system in the body required for self regulation (homeostasis)

36
Q

Define negative feedback loop with an example

A

A control process in the body that opposes or negates changes in the body - body’s temperature control (shivering)

37
Q

Define positive feedback loop with an example

A

Temporary amplification of change in the body - contractions during labour

38
Q

Body functions are related to ______

A

Age - peak efficiency in young adulthood, less efficient in childhood and old age

39
Q

Define sensor, control center, and effector

A
  1. Sensor detects changes and sends info to control center
  2. Control center responds by initiating certain changes that are sent to the effector
  3. Effector influences the controlled condition