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The only type of connective tissue in which the cells do not secrete collagen is


A) bone.
B) blood.
C) cartilage.
D) adipose.
E) loose connective.

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

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The state of internal constancy maintained by living organisms is homeostasis.

A) True
B) False

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The most common way that living organisms maintain homeostasis is by positive feedback mechanisms.

A) True
B) False

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Change one of the words in the following inappropriately matched pair for one of the answer choices.This should change should make for a pair of cell types from the same tissue: neuron,simple squamous epithelial cell.


A) fibroblast
B) Schwann cell
C) adipocyte
D) muscle cell
E) red blood cell

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

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What kind of feedback can be seen exemplified in blood clotting?


A) negative feedback
B) positive feedback
C) endocrine feedback
D) nervous feedback
E) hormonal feedback

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

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Turning up the temperature setting in a room that feels cold,causing a heater to turn on,is an example of the principle of


A) homeostasis.
B) positive feedback.
C) negative feedback.
D) directional control.

E) B) and D)
F) C) and D)

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If you had to select a pair of interacting organs to disconnect to alter thermoregulation,which would you choose?


A) brain, lungs
B) brain, skin
C) skin, bones
D) liver, lungs
E) skin, liver

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

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The different types of animal tissue include _____ tissue.


A) epithelial
B) connective
C) muscle
D) nervous
E) All of the answer choices are correct.

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

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Damage to the myelin sheath of a neuron may slow or even stop nerve impulse transmission.

A) True
B) False

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The simple cuboidal cells found in kidney tubules have which function?


A) allow exchange of substances by diffusion and osmosis
B) protect areas subject to abrasion
C) secrete and absorb substances
D) secrete hormones
E) secrete and propel mucus

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

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At the same latitude,a person with dark skin would have which levels of folic acid and vitamin D relative to a person with light skin?


A) no difference in vitamin D or folic acid
B) an increase in both folic acid and vitamin D levels
C) a decreased level of folic acid and an increased level of vitamin D
D) a decrease in both folic acid and vitamin D levels
E) an increased level of folic acid and a decreased level of vitamin D

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

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Slowed nerve impulse transmission results from damage to


A) the myelin sheath.
B) leukocytes.
C) epithelial cells.
D) adipocytes.
E) chondrocytes.

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

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If the temperature of the skin is too low or too high,this information is conveyed to an area of the brain called the


A) cerebellum.
B) hypothalamus.
C) cerebrum.
D) medulla oblongata.
E) spinal cord.

F) C) and E)
G) None of the above

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Melanin is produced in which of the following tissue types?


A) epithelial
B) connective
C) muscle
D) nervous
E) endocrine

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

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You are given a sample of epithelial tissue by a colleague and asked where it came from in the body of a rat.It has multiple layers of cells.They are flattened,and they sit over other layers of epithelial cells and a basement membrane.You are told that it is not part of the rat's skin.From where did it come?


A) a lining of a body opening
B) a gland
C) a blood vessel
D) an ovary
E) a bronchus

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

Correct Answer

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An organ is defined as consisting of two or more interacting tissues.

A) True
B) False

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You are examining a newly discovered songbird which can voluntarily turn its head through a very large angle.When you test one of these birds and examine tissue samples,you see that the muscles involved in this motion have many nuclei.You categorize this muscle as


A) cardiac.
B) skeletal.
C) smooth.
D) None of the answer choices are correct.

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

Correct Answer

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The germ layer called the endoderm produces all of


A) the heart.
B) the nervous system.
C) the lining of the digestive tract.
D) bone.
E) muscles.

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

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What cell types would you expect to find in a sample of spinal tissue?


A) neurons and adipocytes
B) platelets and neuroglia
C) neurons and neuroglia
D) platelets and adipocytes
E) neurons and platelets

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

Correct Answer

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The most common way that living organisms maintain homeostasis is by negative feedback mechanisms.

A) True
B) False

Correct Answer

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