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Honors Anatomy > Chapter 6 > Flashcards

Chapter 6 Flashcards

0
Q

Differentiate between the four types of membranes

A

Serous-lines body cavities that lack openings to outside and secrete watery serous fluid that lubricates membrane surface
Mucous-line body cavities that open to outside and secretes mucus
Synovial-lines joint cavities and secretes thick synovial fluid that lubricates joints
Cutaneous-external body covering(skin)

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1
Q

Name the four types of membrane

A

Serous, mucous, synovial, cutaneous

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2
Q

What is the function of skin and it’s tissues

A

Protection, regulate temp, slows water loss, houses various sensory receptors, makes chemicals, and excretes waste

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3
Q

T or f there is no blood in the first four layers

A

True

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4
Q

Lacks blood vessels

A

Epidermis

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5
Q

Deepest layer (stratum basal (germination))

A

Epidermis

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6
Q

Only layer alive

A

Layer four

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7
Q

What layer can divide and make new skin

A

Layer 4

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8
Q

Nourished by dermal blood vessels

A

Epidermis

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9
Q

Only this deepest layer can divide

A

Epidermis

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10
Q

Older cells harden

A

Keratinization

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11
Q

Stratum corneum

A

Epidermis

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12
Q

Outermost layer of dead cells

A

Stratum corneum

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13
Q

Protects underlying tissue against water loss, injury and effects of harmful chemicals

A

Epidermis

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14
Q

Pigment in skin which absorbs uv radiation

A

Melanin

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15
Q

Pigment cells

A

Melanocytes

16
Q

Where do the differences in skin color come from?

A

Result from the amount of melanin, distribution and size of pigment granules, environment, physiological factors, genetics

17
Q

What does ABCD in reference to pigmented skin stand for

A

Pigmented areas are assymetric, have irregular boarders, have several colors, and have a diameter greater than 6mm. are likely to be cancer

18
Q

Binds the epidermis to underlying tissue

A

Dermis

19
Q

Dermal blood vessels supply nutrients to skin cells and aid in regular body temp

A

Dermis

20
Q

Nerve fibers are scattered throughout

A

Dermis

21
Q

Contains hair follicles, sebaceous glands(oil), and sweat glands

A

Dermis

22
Q

Beneath dermis and consists of loose connective tissue and adipose

A

Subcutaneous

23
Q

Adipose conserves heat

A

Subcutaneous

24
Q

Contains major blood vessels that supply skin and adipose

A

Subcutaneous

25
Q

Tubelike depression in skin in which hair develops

A

Hair follicles

26
Q

Bundle of smooth muscle attached to each follicle. When stimulates puckers, causing goose bumps

A

Arrector pili muscle

27
Q

Oily mixture that helps keep skin and hair soft and waterproof

A

Sebum

28
Q

Not on our hands and feet…. Which explains why we get dry skin

A

Oil glands

29
Q

Whitish half moon shaped region at base of nail plate is most active growing region

A

Lunula

30
Q

What is in sweat

A

Sweat is mostly water, also contains salt and waste (liquid)

31
Q

What is the difference between eccrine and apocrine glands

A

Eccrine- respond to elevated temp (hands and feet)

Apocrine-respond to emotional stress (hair follicles)

32
Q

Explain how body temp regulated when hot/cold

A

Temp rises-dermal blood vessel dilate and sweat glands release sweat
Temp drops- dermal blood vessels constrict and sweat glands become inactive
Excessive heat loss stimulates skeletal muscles to contract involuntary

33
Q

Explain healing of shallow and deeper

A

Dividing epithelial cells fill in shallow cuts in epidermis

Blood clots form a scab to cover deeper tissue

34
Q

Branch of blood vessels and cluster of fibroblasts form in large open wounds

A

Granulations

35
Q

Explain 3 degrees and symptoms

A

1- only involves surface layers of epidermis; skin is red and tender-not painful
2-much of epidermis is destroyed and also extends into dermis; redness and blisters p-painful because dermis nerves are irritated
3- involves all skin layers-charring of skin; intensive pain because of nerve destruction

36
Q

Why is inflammation good for wound healing

A

Dilated blood vessels provide for nutrients and oxygen and helps it heal

Honors Anatomy (18 decks)

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