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Which organs are located in the ventral cavity of the body?


A) stomach,liver,heart and bladder
B) stomach,liver,heart and spinal cord
C) small intestine,brain,lungs and kidneys
D) All of the choices are correct.
E) None of the choices are correct.

F) C) and E)
G) A) and D)

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The correct sequence of increasing organizational complexity is


A) organ,tissue,cell,organ system,organism.
B) cell,organ,organ system,tissue,organism.
C) cell,tissue,organ,organ system,organism.
D) organism,tissue,cell,organ system,organ.
E) tissue,cell,organ system,organism,organ.

F) B) and C)
G) C) and E)

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Which of the following structures begins in the dermis and extends to the surface of the epidermis?


A) blood vessels
B) nerve fibers
C) hair follicles
D) free nerve endings

E) All of the above
F) A) and D)

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Which of the following is a function of the skin?


A) protecting underlying body parts from physical trauma
B) preventing water loss
C) thermoregulation
D) monitor touch,pressure,temperature,and pain
E) All of the answer choices are functions of the skin

F) C) and D)
G) A) and B)

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If you wash your skin and hair several times a day,you will soon have dry skin that easily cracks and bleeds because the oils you have removed are necessary to keep the skin supple.This oil is


A) pili secreted by arrectors.
B) lymph secreted by lymphatic ducts.
C) sebum secreted by sweat glands.
D) sebum secreted by sebaceous glands.
E) salty sweat secreted by sweat glands.

F) B) and D)
G) B) and E)

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Snakes,frogs,squirrels,and humans are all classified as being homeothermic.

A) True
B) False

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List the four primary tissue types found in the human body and indicate their main function(s).

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1.Epithelial tissue: covers body surface...

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Which of the following functions performed by the skin would be lost or seriously compromised if someone suffered a severe burn over most of the body?


A) prevention of heat and water loss
B) prevention of massive and continuous infection from invasion by external bacteria,viruses,and parasites
C) production of sweat that evaporates and cools the body when it is overheating
D) conversion,in the presence of ultraviolet light,of precursor molecules to vitamin D
E) All of these are vital functions of the skin and would be compromised.

F) A) and C)
G) All of the above

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Which of the following features would be found in the epidermis layer of the skin?


A) stratified squamous epithelium,cells produce keratin,contain melanocytes,offers a layer of protection against bacteria
B) stratified cuboidal epithelium,cells produce keratin,contain melanocytes,offers a layer of protection against bacteria
C) stratified squamous epithelium,cells produce keratin,contains a large amount of adipose tissue,offers a layer of protection against bacteria
D) composed of collagen fibers,cells produce keratin,contain melanocytes,offers a layer of protection against bacteria
E) stratified squamous epithelium,contains specialized nerve endings,offers a layer of protection against injury

F) A) and B)
G) B) and E)

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At one time it was thought to be impossible to operate within the body cavities.Then the Canadian doctor,William Beaumont,operated on a patient with a gunshot wound to the stomach.A few decades later came breakthroughs in heart operations and transplants.The 1990s was called the decade of the brain because of the extensive research being done on how the brain functions.Name the body cavities associated with these breakthroughs in order.


A) abdominal-thoracic-dorsal.
B) abdominal-dorsal-thoracic.
C) dorsal-thoracic-abdominal.
D) thoracic-abdominal-dorsal.
E) thoracic-dorsal-abdominal.

F) D) and E)
G) A) and B)

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Which is most closely associated with negative feedback?


A) As you continue to turn a faucet handle,more water flows out of it.
B) A child cuts his finger and the blood clotting process begins.
C) As the temperature falls in a house,the heater comes on.
D) As a woman goes into labor,hormones are secreted that stimulate the process.

E) A) and B)
F) B) and C)

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