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Anatomy And Physiology > Chapter 2 Part 1 > Flashcards

Chapter 2 Part 1 Flashcards

1
Q

Optic

A

Ear

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2
Q

Nasal

A

Nose

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3
Q

Oral

A

Mouth

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4
Q

Orbital

A

Eyes

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5
Q

Mental

A

Chin

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6
Q

Buccal

A

Cheeks

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7
Q

Frontal

A

Forehead

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8
Q

Occipital

A

Back of the head

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9
Q

Cephalic

A

Whole head

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10
Q

Cervical

A

Neck

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11
Q

Organs systems in head and neck regions

A

Nervous and endocrine

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12
Q

Endocrine system structures

A

Hormones, hypothalamus, pituitary gland, thyroid and adrenal gland

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13
Q

Parts of nervous system

A

Brain, spinal cord and nerves

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14
Q

Elements

A

The simplest form of matter to have unique chemical qualities. Cannot be broken down by ordinary chemical means

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15
Q

How many naturally occurring elements are there

A

91

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16
Q

What 6 elements are 98.5% of the human body

A

Oxygen, carbon,hydrogen, nitrogen, calcium ca, phosphorus

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17
Q

Lesser elements make up what percent of the body

A

.8

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18
Q

What are the six lesser chemicals in the body

A

Potassium k, sodium na, chloride cl, sulfur s, iron fe, magnesium mg

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19
Q

Trace elements make up what percent of the body

A

Less than .7

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20
Q

Minerals

A

Inorganic elements extracted from soil to plants and passed to humans

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21
Q

What are minerals important for

A

Body structure enzyme function

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22
Q

Electrolytes

A

Mineral salts needed for nerve and muscle function

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23
Q

3 components of an atom

A

Protons p+, neutrons n0 and electrons e-

24
Q

What does the number of electrons tell you

A

Atomic number

25
Q

Protons are and found where

A

Positive and found in nucleus

26
Q

Neutron are and found where

A

Neutral and found in nucleus

27
Q

Number of neutrons and protons is

A

Atomic mass

28
Q

Isotopes are

A

Elements that have different number of neutrons

29
Q

Ionizing

A

Ejects electrons destroys molecules

30
Q

Electrons

A

Negatively charged found in energy levels around the nucleus

31
Q

Number of electrons equals the number of protons in what

A

Neutral atom

32
Q

Ions

A

An atom that gains or loses electrons

33
Q

Cations

A

Positively charged ions

34
Q

Anions

A

Negatively charged ions

35
Q

Cations _____ electrons

A

Loses

36
Q

Anions _____ electrons

A

Gains

37
Q

Ionization

A

Transfer of electrons from one atom to another

38
Q

Electrolytes are a substance that

A

Ionize in water

39
Q

3 importance’s of electrolytes is

A

Chemical reactivity, osmotic effects electrical excitability of nerve and muscles

40
Q

Molecule

A

Chemical particle composed of 2 or more atoms untied by a chemical bond

41
Q

Compound

A

Molecule composed of 2 or more different elements

42
Q

Molecular formula

A

Identifies elements and how many atoms of each are present

43
Q

Structural formula

A

Identifies location of each atom

44
Q

Chemical bonds

A

Hold atoms together within a molecule or attract one molecule to another

45
Q

The most important types of chemical bonds

A

Ionic bonds, covalent and hydrogen bonds

46
Q

Bonds are formed by

A

Using electrons in outer mot energy level valence shell

47
Q

Octet rule

A

Atoms interact to fill their valence shell

48
Q

Inert elements

A

Full valence shell will not make chemical bond with another atom

49
Q

Reactive elements

A

Valence shell not full will make a chemical reaction

50
Q

Ionize bond

A

Will transfer electrons

51
Q

Single covalent bonds

A

One pair of electrons shared

52
Q

Double covalent bonds

A

2 pairs of electrons shared

53
Q

Nonpolar bonds

A

Electrons shared equally strongest bond

54
Q

Polar bonds

A

Electrons not shared equally

55
Q

Ionic bonds

A

Attractions between anions and cations easily broken by water

56
Q

Hydrogen bonding

A

Weak inter molecular or intermolecular attraction between a slightly positive hydrogen and a slightly negative oxygen

Anatomy And Physiology (7 decks)

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