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BIO1100 HUMAN ANATOMY > Anatomy Exam 1 > Flashcards

Anatomy Exam 1 Flashcards

1
Q

Anatomy is the study of

A

form or structure

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2
Q

Various procedures when examining structure of the human body (anatomy)

A
  • Inspection
  • Auscultation
  • Percussion
  • Palpation
  • Cadaver Dissection
  • Comparative Anatomy
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3
Q

Listening to the natural sounds made by the body.

Example

A

Auscultation

Example: listening to the heart and lung sounds with a stethoscope

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4
Q

Simply looking at the body’s appearance.

Example

A

Inspection

Example: As in performing a physical examination or making a clinical diagnosis from the surface appearance

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5
Q

Taps on the body (tissue or organs) to examine for pockets of fluid or air.

A

Percussion

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6
Q

Feeling a structure with hands.

Example

A

Palpation

Example: a physician feels a swollen lymph node or taking a pulse

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7
Q

Cutting and separating human body tissues to reveal tissue relationships. Method where the body is being explored. Surgically opening someones body and removing parts (organs, tissues, etc).

A

Cadaver Dissection

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8
Q

The study of multiple species in order to examine similarities and differences and analyze evolutionary trends. Science uses different species ranging from mice, rats, dogs, humans, and monkeys for scientific research.

A

Comparative Anatomy

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9
Q

Opening the body and taking a look inside to see what was wrong and what could be done about it (sometimes executed with a donated body).

A

Exploratory Surgery

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10
Q

Viewing the inside of the body without surgery.

A

Medical Imaging

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11
Q

Branch of medicine concerned with imaging.

A

Radiology

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12
Q

Study of structures that can be seen with the naked eye (Anatomy Lab)

A

Gross Anatomy

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13
Q

Microscopic examination of tissues for signs of disease.

A

Histopathology

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14
Q

Examination of tissues with microscope.

A

Histology (microscopic anatomy)

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15
Q

Study of structure and function of cells.

A

Cytology

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16
Q

View detail under electron microscope.

A

Ultrastructure

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17
Q

Gross Anatomy

A
  • Larger aspect of something

- Opposite would be micro

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18
Q

Two Scientific Methods

A
  • The Inductive Method

- The Hypothetico-Deductive Method

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19
Q
  • Most physiological knowledge was obtained by this method.

* *Describe the 7 steps

A

The Hypothetico-Deductive Method
(7 Steps)
1. Person makes an observation, they notice something and then they generate a question.
2. From the question a hypothesis is created.
3. From the hypothesis you have your experimental design.
4. Followed by the execution of your actual experiment.
5. Analyze results
6. Draw conclusions
7. Publish your data

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20
Q
  • Described by Francis Bacon.
  • Making numerous observations until one becomes confident in drawing generalizations and predictions.
    (Taking a group of specimen and simply observing the anatomical features).
  • Does not involve experiment, but involves several observations.
A

The Inductive Method

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21
Q

Several elements of experimental design

A
  • Sample Size
  • Controls
  • Psychosomatic effects
  • Experimenter Bias
  • Statistical Testing
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22
Q

The numbers of subjects (animals or people) used in a study. Controls for chance events and individual variations in response and thus enables us to place more confidence in the outcome.
Ex. Would you rather trust your health to a drug that was tested on 5 people or one tested on 5,000? Why?

A

Sample Size

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23
Q

Biomedical experiments require comparison between treated and untreated individuals so that we can judge whether the treatment has any effect.

A

Controls

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24
Q

Consists of subjects that are as much like the treatment group as possible, except with respect to the variable being treated.

A

Control Group

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25
Q

Effects of the subject’s state of mind on his or her physiology can have an undesirable effect on experimental results if we do not control for them.
“Worrying yourself sick”

A

Psychosomatic Effects

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26
Q

In the competitive, high-stakes world of medical research, experimenters may want certain results so much that their biases, even subconscious ones, can affect their interpretation of the data.

A

Experimenter Bias

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27
Q

Experimenter bias can be avoided by the __________ method.

A

Double-blind method

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28
Q

In this procedure, neither the subject to whom a treatment is given nor the person giving it and recording the results knows whether that subject is receiving the experimental treatment or placebo.

A

Double-blind method

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29
Q

Provides statement of probability that treatment was effective

A

Statistical testing

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30
Q

When a scientist applies for funds to support a research project or submits results for publication, the application or manuscript is submitted to critical evaluation by other experts in the field.

A

Peer Review

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31
Q

Peer review is one mechanism for ensuring

A

Honesty, Objectivity, and quality in science

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32
Q

Information that can be independently verified by any trained person.
(Example)

A 
Scientific Fact
(Example: We can walk outside and observe green trees OR The fact that an iron deficiency leads to anemia)
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33
Q

A generalization about the predictable ways in which matter and energy behave. It is the result of inductive reasoning based on repeated, confirmed observations.
Some are expressed as concise verbal statements and others are mathematical formulae.
(Example)

A

Law of Nature
(Example: Law of complementary base pairing in DNA. Adenine pairs with thymine and cytosine pairs with guanine OR Boyle’s Law

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34
Q

An explanatory statement or set of statements derived from facts, laws, and confirmed hypotheses. The purpose of it is not only to concisely summarize what we already know, but to suggest directions for further study and to help predict what the findings should be if it is correct.
(Example)

A

Theory

Ex. The theory of evolution OR theory of natural selection

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35
Q

As an explanation of how species originate and change through time, natural selection was the brainchild of

A

Charles Darwin

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36
Q

Simply means change in the genetic composition of a population or organisms.
(Example)

A

Evolution

Ex: The emergence of new species of organisms

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37
Q

The principle theory of how evolution works. It states essentially this:
Some individuals within a species have hereditary advantages over their competitors.
(Ex. Better camouflage, disease resistance, or ability to attract mates that enable them to produce more offspring, and such characteristics therefor become more and more common in successive generations. This brings about the genetic change in a population that constitutes evolution.

A

Natural selection

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38
Q

Natural forces that promote reproductive success of some individuals more than others. They include things such as

A

Selection pressures

Includes climate, predators, disease, competition, food source

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39
Q

Features of anatomy, physiology and behavior that have evolved in response to there selection pressures and enable the organism to cope with the challenges of its environment.
(Example)

A

Adaptations

Ex. Better camouflage

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40
Q

Bipedalism

A

Standing and walking on two legs

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41
Q

Organism composed of

A

Organ Systems

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42
Q

Organ Systems composed of

A

Organs

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43
Q

Organs composed of

A

Tissues

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44
Q

Tissues composed of

A

Cells

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45
Q

Cells composed of

A

Organelles

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46
Q

Organelles composed of

A

Molecules

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47
Q

Molecules composed of

A

Atoms

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48
Q

Single, complete individual

A

Organism

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49
Q

A group of organs with a unique collective function such as circulation, respiration or digestion

A

Organ System

50
Q

Structure composed of two or more tissue types that work together to carry out a particular function

A

Organ

51
Q

A mass of similar cells and cell products that form a discrete region of an organ and performs a specific function. The body is composed of only four primary classes: epithelial, connective, nervous, and muscular.

A

Tissue

52
Q

The smallest units of an organism that carry out all the basic functions of of life.
Nothing simpler is considered alive.

A

Cells

53
Q

Microscopic structures in a cell that carry out its individual functions.
Examples include; mitochondria, centrioles, and lysosomes.

A

Organelles

54
Q

A particle composed of at least two atoms.

A

Molecules

55
Q

The smallest particles with unique identities

A

Atoms

56
Q

Large, complex systems can be understood by studying their simpler components. A method of scientific study that focuses on predicting evolutionary change by actually dissecting the organism and studying all of its parts as individual items.
(Example)

A

Reductionism

Ex. Wants to know how the organ works; a neurologist will take the human brain out to study it

57
Q

The complementary theory that there are “emergent properties” of the whole organism that cannot be predicted from the properties of its separate parts. Human beings are more than the sum of their parts. Argues that predictions of evolutionary change is not possible without considering the organism as a whole.
(Example)

A

Holism
(Example: A psychologist will study the body as a whole; a healthcare provider treats not merely an organ system but a whole person)

58
Q

Cell Theory

A
  • Cell is the simplest structural and functional unit of life
  • Cells come only from pre-existing cells
  • All organisms composed of cells and cell products
59
Q

Cell will shrink or shrivel because it has the energy to do so.
(Programmed cell death; the normal death of cells that have completed their function)

A

Apoptosis

60
Q

Cell is going to explode because it’s extended all its energy.
(Pathological tissue death due to such causes as infection, trauma, or hypoxia).

A

Necrosis

61
Q
  • Composed of phospholipid bilayer
  • Border of the cell
  • Appears as a pair of dark parallel lines when viewed with electron microscope
  • Has intracellular and extracellular faces

Functions:
- Define cell boundaries
Governs interactions with other cells
Controls passage of materials in and out of cell

A

The Plasma Membrane

62
Q

Gives cell structure and prevents the cell membrane from collapsing in on the cell.
(Similar to cytoskeleton)

A

Cholesterol

63
Q
  • Network of protein filaments and cylinders
  • Determines cell shape, supports structure, organizes cell contents, directs movement of materials within cell, contributes to movements of the cell as a whole
  • Composed of: microfilaments, intermediate fibers, microtubules
  • Prevents cell from caving in on itself
    Similar to cholesterol
A

Cytoskeleton

64
Q
  • Largest organelle (5 Mm in diameter)
  • Most cells have one nucleus
  • A few cell types are anuclear or multinucleate
A

Nucleus

65
Q

No nucleus; red blood cells

A

Anuclear

66
Q

Have several nuclei; skeletal and cardiac muscle

A

Multinucleate

67
Q
  • Double membrane around nucleus
  • Perforated by nuclear pores formed by rings of proteins
  • Regulate molecular traffic through envelope
  • Hold the two membrane layers together
A

Nuclear Envelope

68
Q

System of channels (cisternae) enclosed by membrane

A

Endoplasmic Reticulum (ER)

69
Q
  • Parallel, flattened sacs covered with ribosomes
  • Continuous with outer membrane of nuclear envelope
  • Produces phospholipids and proteins of the plasma membrane
  • Synthesizes proteins that are packaged in other organelles or secreted from cell
A

Rough Endoplasmic Reticulum (Rough ER)

70
Q

Three categories of substances that can NOT enter the cell on their own

A
  • Hydrophillic
  • High molecular weight
  • Charged Particles
71
Q

Three categories of substances that can NOT enter the cell on their own, can either pass through

A

Membrane channel or vesicles

72
Q

Contrast smooth and rough endoplasmic reticulum

A
  • Smooth ER: Has ribosomes dispersed in an area surrounding the structure itself
  • Rough ER: Has its ribosomes studded on its membrane
73
Q
  • Small granules of protein and RNA
  • Found in nucleoli, in cytosol, and on outer surfaces or rough ER, and nuclear envelope
    • Small and large sub-unit
A

Ribosomes

74
Q
  • A system of cisternae that synthesizes carbohydrates and puts finishing touches on protein synthesis
  • Some vesicles become lysosomes
  • Some vesicles migrate to plasma membrane and fuse to it
  • Some become secretory vesicles that store a protein product for later release
A

Golgi Complex (Apparatus)

75
Q
  • Packages of enzymes bound by a membrane

- Generally round, but variable in shape

A

Lysosomes

76
Q
  • Resemble lysosomes but contain different enzymes and are produced by endoplasmic reticulum
  • In all cells, but abundant in liver and kidney
A

Peroxisomes

77
Q

Hollow, cylindrical organelle that disposes of surplus proteins

A

Proteosomes

78
Q
  • Organelles specialized for synthesizing ATP
  • Continually change shape from spheroidal to thread-like
  • Surrounded by a double membrane
  • Inner membrane has folds called cristae
  • Spaces between cristae called matrix
  • Matrix contains ribosomes, enzymes used for ATP synthesis, small circular DNA molecule
  • “Powerhouses” of the cell
  • Energy is extracted from organic molecules and transferred to ATP
A

Mitochondria

79
Q

A short cylindrical assembly of microtubules arranged in nine groups of three microtubules each

A

Centriole

80
Q

Move tings outside the cell

Ex. Sweeps things along nose and throat

A

Cilia

81
Q

Moves cell side to side

A

Flagella

82
Q

At the end of the axon (nerve fiber) is the

A

Telendria

83
Q

At the end of the Telendria is the

A

Axon terminal bulbs

84
Q

Holds neuro transmitters

A

Houses vesicles

85
Q

Found in an epithelium that is predominantly non secretory (Can be exocrine or endocrine)

A

Unicellular Glands

86
Q

Compare/Contrast between the simple coiled tubular (sweat gland), compound acinar (mammary gland), and compound tubuloacinar (pancreas)

A

When you move backwards from the pancreas to the mammary you see a decrease in the surface area of the secretory portion.

87
Q

Stratified Squamous Epithelium

A

Epidermis

88
Q

Deeper connective tissue layer

A

Dermis

89
Q

Connective tissue layer below dermis (not part of skin, but associated with it)

A

Hypodermis

90
Q
  • Highly vascularized
  • Possesses hair follicles, sebaceous glands, and sweat glands
  • Epidermis about 0.1 mm thick
A

Thin Skin

91
Q
  • Has an extra layer
  • Has sweat glands, but no hair follicles or sebaceous (oil) glands
  • Epidermis 0.5 mm thick
A

Thick Skin

92
Q

Responsible for detecting pressure

A

Pacinian receptors

93
Q

Touch receptors

A

Tectile Receptors

94
Q

Thin skin contains ________ strata (layers)

A

Four

95
Q

Thick skin contains _______ strata (layers)

A

Five

96
Q

Two layers of the Dermis

A

Papillary and Reticular

97
Q
  • Deeper and thicker layer of dermis
  • Consists of dense, irregular connective tissue
  • Responsible for producing stretch marks
    (Stretch marks (Striae): tears in the collagen fibers caused by stretching of the skin due to pregnancy or obesity)
A

Reticular Layer

98
Q
  • Superficial zone of dermis
  • Thin zone of areolar tissue in and near the dermal papilla
  • Allows for mobility of leukocytes and other defense cells
  • Rich in small blood vessels
A

Papillary Layer

99
Q

Hair does not cover

A

Palms, soles of our feet, palmar, plantar, lateral surfaces, digital segment of fingertips and toes, lips, nipples and parts of genitals

100
Q

Three types of hair

A
  • Lanugo
  • Vellus
  • Terminal
101
Q

Fine, downy, unpigmented hair that appears on the fetus in the last 3 months of development (fetus/infant)

A

Lanugo

102
Q

Longer, coarser, and more heavily pigmented. (Eyebrows, eyelashes, the hair of the scalp, male facial hair and some of the hair on the trunk and limbs)

A

Terminal

103
Q

Fine, pale hair that replaces lanugo by time of birth. (2/3 of women hair, 1/10 of men hair, all hair of children except eyebrows, eyelashes, and hair of the scalp)

A

Vellus

104
Q

Layers of the epidermis

A
  • Stratum Basale (deepest epidermal layer)
  • Stratum Spinosum
  • Stratum Granulosum
  • Stratum Lucidum
  • Stratum Corneum (surface layer)
105
Q

Growth zone (mitotic) of thickened stratum basalt at proximal end of nail

A

Nail Matrix

106
Q

Narrow zone of dead skin overhanging proximal end of nail

A

Eponychium

107
Q

Begins as a protein-free filtrate of blood plasma, produced by deep secretory portion of gland.

A

Sweat

108
Q
  • Inhibits bacterial growth
  • Perspiration is about 99%
  • Has a pH ranging from 4 to 6
A

Acid Mantle

109
Q

How are merocrine glands more numerous than apocrine glands?

A

Merocrine glands are found all over the body rather than just the genitalia and under arm area

110
Q

Are flask-shaped and have short ducts opening into hair follicles

A

Sebaceous Glands

111
Q

Oily secretion of sebaceous glands

A

Sebum

112
Q

Ceriuminous glands are simple, coiled, tubular gland in the

A

External ear canal

113
Q

Cerumen

A
  • Earwax
  • Keeps eardrum pliable
  • Waterproofs the canal
  • Kills bacteria
114
Q

Modified apocrine sweat glands (responsible for breast milk)

A

Mammary glands

115
Q

_______ rows of mammary glands in most mammals

A

Two

116
Q

Why are hair, nails, and cutaneous glands called accessory structures of the skin?

A

You can live without them and don’t necessarily need them to continue life

117
Q

Pliable ___________ keratin makes up stratum corneum of skin

A

Soft

118
Q

Compact ____________ keratin makes up hair and nails. Tougher and more compact due to numerous cross linkage between keratin molecules

A

Hard

119
Q

Pilus

A

Another name for a hair

120
Q

Plural of pilus

A

Pili

121
Q

What is a vestigial structure?

A

A structure that was once important to structure and function of the organism but as a result of evolution is no longer needed.

122
Q

Why is hair considered a vestigial structure?

A

Before the ice age, cavemen needed hair to keep their bodies warm because they couldn’t make coats. The purpose of hair back then was to provide warmth to the body. There was an abundance of hair all over the body, and today we doing need hair because we have coats

BIO1100 HUMAN ANATOMY (3 decks)

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