Chapter 1 Flashcards

1
Q

Study of the structure of body parts and their relationship to one another

A

Anatomy

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2
Q

Study of the function of body parts

A

Physiology

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3
Q

Study of large visible structures

A

Gross (microscopic anatomy)

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4
Q

All structures in a particular area of the body

A

Regional anatomy

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5
Q

Just one system

A

System anatomy

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6
Q

Internal structures as they relate to overline skin (visible muscle masses or veins seen on surface)

A

Surface anatomy

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7
Q

Microscopic anatomy

A

Structures too small to be seen by naked eye

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8
Q

Microscopic study of cell

A

Cytology

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9
Q

Microscopic study of tissues

A

Histology

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10
Q

Studies anatomical and physiological development throughout life

A

Developmental anatomy

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11
Q

Study of development before birth

A

Embryology

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12
Q

Based on organ systems

Often focuses on cellular and molecular levels of the body

Looks at how the bodies of abilities are dependent on chemical reactions in individual cells

A

Subdivisions of physiology

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13
Q

Human body is very organized from the smallest chemical level to whole organism level

A

Structural organization

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14
Q

Atoms ,molecules and organelles

A

Chemical level

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15
Q

Single cell

A

Cellular level

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16
Q

Groups of similar cells

A

Tissue level

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17
Q

Contains two or more types of tissue

A

Organ level

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18
Q

Organs that work closely together

A

Organ system level

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19
Q

All organ systems combined to make the whole organism

A

Organismal level

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20
Q

Anatomy and physiology are inseparable

Function always reflects structure

What structure can do depends on its specific form

A

Principle of complementarity of structure and function

21
Q

Maintenance of life involves:

Maintaining boundaries
Movement
Responsiveness
Digestion
Metabolism
Excretion
Reproduction
Growth

A

Necessary life functions

22
Q

Nutrients
Oxygen
Water
Normal body temperature
Appropriate atmospheric pressure

A

Survival needs

23
Q

Plasma membrane separate cells

Skin separates organism from environment

A

Maintaining boundaries

24
Q

Muscular system allows movement
Contractility refers to movement at the cellular level

25
Q

Ability to sense and respond to stimuli

A

Responsiveness

26
Q

Breakdown of ingested. Followed by absorption of simple molecules into blood.

27
Q

All chemical reactions that occur in body cell

A

Metabolism

28
Q

Breakdown of molecules

A

Catabolism

29
Q

Synthesis of molecules

30
Q

Removal away from metabolism and digestion

31
Q

At the cellular level involves division of cells for growth or repair

At the organismal level, is the production of offspring

A

Reproduction

32
Q

Increase in size of a body part or of organism

33
Q

Chemical for energy and cell building

34
Q

Major source of energy

A

Carbohydrates

35
Q

Needed for cell building and cell chemistry

36
Q

Long-term energy storage

37
Q

Involved in chemical reactions as well as for structural purposes

A

Minerals and vitamins

38
Q

Central for release of energy from foods

39
Q

Most abundant chemical in body provides the watery environment for chemical reactions

Also is fluid base for secretion and excretion

40
Q

A body temp falls below or goes above 37°C rates of chemical reactions are affected

A

Normal body temperature

41
Q

Specific pressure of air is needed for adequate breathing and gas exchange in lungs

A

Appropriate atmospheric pressure

42
Q

A dynamic state of equilibrium, always be adjusting as needed.

Maintained by contributions of all organ systems

A

Homeostasis

43
Q

Factors that can change ( blood sugar, body, temperature, blood, volume, etc.)

44
Q

monitors environment

Response to stimuli

45
Q

Determines setpoint at which variable is maintained

Receives input from receptor

Determines appropriate response

A

Control center

46
Q

Receives output from control center

Provides the means to respond

Response either reduces stimulus or enhance a stimulus

47
Q

Most used feedback mechanism in body

Respond reduces or shuts off original stimulus

Example: regulation of body temperature

A

Negative feedback

48
Q

Response enhances, or exaggerates the original stimulus

May exhibit a cascade or amplifying effect as feedback causes variable to continue in same direction as initial change

Example: enhancement of labor contractions by oxytocin

A

Positive feedback

49
Q

Disturbance of homeostasis

Increases risk of disease

Control systems become less efficient

A

Homeostatic imbalance