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The most solid connective tissue is__________; the most fluid connective tissue is ________.

A.

bone; adipose

B.

bone; blood

C.

hyaline cartilage; areolar

D.

fibrocartilage; areolar

Answer and Explanation

The Correct Answer is B

A. bone; adipose: Bone is the most solid connective tissue, providing structural support and protection. Adipose tissue, while soft and pliable, is not the most fluid connective tissue since it primarily stores fat rather than circulating or transporting substances.

B. bone; blood: Bone is the densest and most rigid connective tissue, providing support, protection, and leverage for movement. Blood is the most fluid connective tissue, circulating throughout the body to transport nutrients, gases, hormones, and waste products.

C. hyaline cartilage; areolar: Hyaline cartilage is firm but not as rigid as bone, and areolar connective tissue is loose and supportive but not fluid; it serves as a cushioning and binding tissue rather than a circulating medium.

D. fibrocartilage; areolar: Fibrocartilage is tough and less compressible than hyaline cartilage but is still less solid and rigid than bone. Areolar tissue is a viscous, gel-like matrix that is not the most fluid type.


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Related Questions

Correct Answer is A

Explanation

A. accumulate the melanin granules on their superficial portion, forming a UV-blocking pigment layer:Keratinocytes take up melanin granules produced by melanocytes and position them above the nucleus. This arrangement shields nuclear DNA from harmful UV radiation, reducing the risk of mutations and cellular damage.

B. provide the melanocyte with nutrients necessary for melanin synthesis:Nutrients for melanocyte function are delivered through blood supply in the dermis rather than directly by keratinocytes. Keratinocytes do not supply essential substrates for melanin production.

C. maintain the appropriate pH in order for the melanocyte to synthesize melanin granules:pH balance in the skin is regulated mainly by sweat and sebaceous secretions. Keratinocytes do not directly control melanocyte pH for melanin synthesis.

D. maintain the appropriate temperature so the product of the melanocyte will not denature:Temperature regulation is largely a function of dermal blood flow and sweat glands. Keratinocytes do not control melanocyte temperature or prevent denaturation of melanin.

Correct Answer is A

Explanation

True:Vellus hair is soft, fine, and lightly pigmented, covering much of the body surface. It is most noticeable in children and adult females, where it serves a protective function without providing significant insulation.

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