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BMS 100 Exam Questions And 100% Complete Answers
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BMS 100 Exam Questions And100% Complete Answers
1. What is the largest organ in the body by weight? Explain. - Answer Skin is the largest
organ in the body: it contains 2 or more tissues (epithelial, connective, muscle, nervous)
Functions of skin: protection from abrasive forces and pathogens, waterproof: our
superficial layers are dead and filled with protein called Keratin-prevents bacterial
growth, thermoregulation: regulates our body temp, sensation: nerve endings in skin,
blood reservoir
2. What comprises the integumentary system? - Answer Skin + accessory structure
3. What are the two layers of the skin? - Answer 2 Layers found in skin: epidermis +
dermis
What type of epithelium is found in the superficial
layer? - Answer stratified squamous (flat cells)
A third layer is found deep to the skin - what is it called and what type of connective
tissue is found there? - Answer hypodermis, adipose tissue (fat) is found there
"Come Lets Get Sun Burned" = layers of epidermis
Name the five layers found in the epidermis. - Answer stratum corneum, stratum
lucidum, stratum gronulesum, stratum spinosum, stratum basale
Which layer is absent in thin skin? - Answer The layer absent in the skin is stratum
lucidium.
In which layer are melanocytes found and what type of cancer can arise from these
cells? - Answer Melanocytes are found in the stratum basale and melanoma can arise.
Name the two layers of the dermis. What type of connective tissue is found in each layer
- Answer Layers of the dermis: papillary (contains areolar connective tissue) and
reticular (contains dense irregular connective tissue)
What are the three parts of a nail? Which is the most active growing part? - Answer 3
parts of nail:
Nail plate: orerlies nail bed
Nail bed: surface of skin
, Lunula: actively growing area (1/2 moon, white)
What are the three parts of a hair - Answer 3 parts of hair:
-hair shaft
-hair bulb: actively growing part
-hair follicle: tube-like structure surrounding hair (made of epithelial and connective
tissue)
What pigment gives color to hair? - Answer
What causes "goosebumps?" - Answer *goosebumps caused by contraction of arrector
pili muscle
List the four types of skin glands and what each produces. - Answer Sebaceous glands:
produce sebum, waterproofs hair, attached to hair follicles, excess of sebum = acne
Sweat glands:
a. merocrine: most numerous, watery, sweat, keep us cool
b. apocrine: found in armpits and groin, viscous secretion (goes up during puberty),
mixed w/ bacteria causes body
odor
Ceruminous glands: ear wax
Mammary glands: milk
Classify the three different degrees of burns. - Answer First degree burn: damage to
epidermis, redness, no scars
Second degree burn: epidermis and some dermis damage, blisters, usually little
scarring
Third degree burn: damage to both epidermis and dermis, nerve damaged, no
sensation, scarring
Why is the most damaging burn the least
painful? - Answer The third degree burn is the least painful because you have damaged
nerves leaving you unable to sense the pain.
Is a bone an organ? Explain. - Answer YES! A bone is an organ because it is made of 2 or
more types of tissue,
How many bones in an average adult skeleton? - Answer 206 Bones are in an avg. adult
skeleton
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