Unit I: Histology II: Connective Tissues
Questions and Answers
- 1.
True/false: Blood is the only tissue to have a fluid matrix/ground substance.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Blood is the only tissue to have a fluid matrix/ground substance because it is composed of cells suspended in a liquid called plasma. Plasma serves as the ground substance of blood, providing a medium for the cells to move and function within. This fluid matrix allows blood to transport oxygen, nutrients, hormones, and waste products throughout the body. Other tissues, such as connective, epithelial, muscle, and nervous tissues, have different types of matrix or ground substance that support their specific functions. Therefore, blood is unique in having a fluid matrix among all the tissues in the body.Rate this question:
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- 2.
True/false: The most common cells in Areolar Connective Tissue are the fibroblasts.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Fibroblasts are indeed the most common cells in Areolar Connective Tissue. They are responsible for producing and secreting the extracellular matrix, which provides support and structure to the tissue. Additionally, fibroblasts play a crucial role in wound healing by producing collagen and other components necessary for tissue repair. Therefore, it is correct to say that fibroblasts are the most common cells in Areolar Connective Tissue.Rate this question:
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- 3.
True/false: Connective tissue is avascular and has tightly packed cells with little space between each individual cell.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Connective tissue is a type of tissue that is highly vascular, meaning it has a rich blood supply. It is composed of cells that are widely spaced apart, with a significant amount of extracellular matrix filling the spaces between the cells. This extracellular matrix is made up of various fibers and ground substance, which gives connective tissue its strength and support. Therefore, the statement that connective tissue is avascular and has tightly packed cells with little space between each individual cell is false.Rate this question:
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- 4.
Which of these is NOT a correct pairing:
- A.
Semisolid ground substance = cartilages
- B.
Hard/Solid ground substance = bone
- C.
Liquid ground substance = blood
- D.
None of these
Correct Answer
D. None of theseExplanation
The given options describe different types of ground substances and their correct pairings. The first option states that semisolid ground substance is cartilages, which is correct. The second option states that hard/solid ground substance is bone, which is also correct. The third option states that liquid ground substance is blood, which is also correct. Therefore, the correct answer is "None of these" because all of the pairings mentioned in the options are correct.Rate this question:
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- 5.
Signet rings, and fat storage vacuoles characterize which tissue?
- A.
Adipose
- B.
Hyaline cartilage
- C.
Areolar connective tissue
- D.
Bone
Correct Answer
A. AdiposeExplanation
Adipose tissue is characterized by the presence of signet rings, which are cells with a large fat droplet in the center, and fat storage vacuoles. Adipose tissue is responsible for storing and releasing energy in the form of fat, and it also provides insulation and cushioning for organs.Rate this question:
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- 6.
The protective sheath for blood vessels in elastic cartilage is which of these:
- A.
Elastic fibers
- B.
Perichondrium
- C.
Lamella
- D.
None of these
Correct Answer
B. PerichondriumExplanation
The perichondrium is a protective sheath that surrounds elastic cartilage. It consists of dense irregular connective tissue and contains blood vessels that supply nutrients to the cartilage. The perichondrium also plays a role in the growth and repair of cartilage. Elastic fibers, lamella, and none of these options do not accurately describe the protective sheath for blood vessels in elastic cartilage.Rate this question:
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- 7.
Blood has a role in nutrient transport.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Blood plays a crucial role in transporting nutrients throughout the body. It carries oxygen and nutrients from the digestive system to the cells and tissues that need them for energy and growth. This is achieved through the network of blood vessels that reach every part of the body. Additionally, blood also transports waste products from the cells to the organs responsible for their elimination. Therefore, it is accurate to say that blood has a role in nutrient transport.Rate this question:
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- 8.
Which of these has a nucleus and usually functions in immunity inside the body?
- A.
Red blood cells
- B.
Platelets
- C.
Lacuna
- D.
White Blood cells
Correct Answer
D. White Blood cellsExplanation
White blood cells have a nucleus and are responsible for immunity inside the body. They play a crucial role in fighting off infections and diseases by identifying and destroying foreign substances, such as bacteria and viruses. Unlike red blood cells, which do not have a nucleus, white blood cells have a nucleus that contains genetic material and helps in the production of proteins necessary for their immune functions. Platelets, on the other hand, are cell fragments involved in blood clotting, while lacuna refers to a small cavity in the body.Rate this question:
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- 9.
Identify the cell at the pointer:
Correct Answer
AdipocyteExplanation
The correct answer is "Adipocyte,adipocyte" because the question asks to identify the cell at the pointer, and the word "Adipocyte" is repeated twice, once with a capital letter and once without. This suggests that both variations of the word are correct and can be considered as the answer.Rate this question:
- 10.
Identify the structure at the pointers:
Correct Answer
nucleusExplanation
The given answer correctly identifies the structure at the pointers as "nuclei", "Nuclei", "Nucleus", and "nucleus". The answer lists the different forms of the word "nucleus" in both singular and plural, with the correct capitalization.Rate this question:
- 11.
Identify the structure at the pointer:
Correct Answer
Collagen BundleExplanation
The structure at the pointer is a collagen bundle. This is indicated by the presence of the term "collagen bundle" in all three options, with varying capitalization. Collagen is a protein that forms a major component of connective tissues in the body, providing strength and support. The term "bundle" suggests that the collagen fibers are grouped or organized together in a specific arrangement. Therefore, the correct answer is collagen bundle, regardless of the capitalization.Rate this question:
- 12.
Identify the specific tissue below:
Correct Answer
Areolar Connective TissueExplanation
The specific tissue being referred to in the given options is areolar connective tissue. Areolar connective tissue is a loose connective tissue that is found throughout the body, providing support and cushioning to organs and tissues. It is composed of a gel-like matrix with collagen and elastin fibers, and contains various types of cells, such as fibroblasts, macrophages, and mast cells. This tissue is characterized by its ability to stretch and recoil, allowing it to accommodate movements and changes in tissue volume.Rate this question:
- 13.
Identify the structure at the pointer:
Correct Answer
PlateletExplanation
The structure at the pointer is "Platelet, platelet." The term "platelet" refers to small, irregularly shaped cell fragments in the blood that help with clotting. The repetition of the term "platelet" suggests that the structure being referred to is the same, but it is being written in both uppercase and lowercase letters.Rate this question:
- 14.
If this tissue was alive what would the cell at the pointer be called:
Correct Answer
OsteocyteExplanation
The cell at the pointer would be called an osteocyte. Osteocytes are specialized cells found in bone tissue and are responsible for maintaining the health and integrity of the bone. They are derived from osteoblasts, which are responsible for bone formation. Osteocytes are involved in various functions such as nutrient and waste exchange, sensing mechanical stress, and regulating bone remodeling. The repetition of "osteocyte" in the answer suggests that the cell at the pointer is indeed an osteocyte.Rate this question:
- 15.
Identify the crack-like structures at the pointers:
Correct Answer
CanaliculiExplanation
The crack-like structures at the pointers are canaliculi. Canaliculi are tiny channels or tubular structures that connect the lacunae (spaces) within bone tissue. They allow for the exchange of nutrients, waste, and signals between bone cells, helping to maintain the health and function of the bone. The repetition of the term "canaliculi" in the answer suggests that there are multiple crack-like structures present at the pointers.Rate this question:
- 16.
Identify the specific tissue below:
Correct Answer
Elastic CartilageExplanation
The specific tissue being referred to in the question is elastic cartilage. Elastic cartilage is a type of connective tissue that contains elastic fibers, which give it its characteristic flexibility and resilience. It is found in certain parts of the body that require both strength and elasticity, such as the external ear and the epiglottis. The correct answer provided in the question matches the correct capitalization and naming convention for this tissue.Rate this question:
- 17.
Identify the structure at the pointer:
Correct Answer
LacunaExplanation
The given answer lists the word "Lacuna" in various forms, including lowercase and plural. This suggests that the structure at the pointer is a word that can be spelled with both lowercase and uppercase letters, and can also be used in its plural form. The different variations of the word indicate that it is likely a noun that refers to a singular or multiple empty spaces or gaps.Rate this question:
- 18.
True/false: The tissue below can be found at the end of long bones.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The tissue below cannot be found at the end of long bones.Rate this question:
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- 19.
True/false: The tissue below can be found in the ear and epiglottis.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The tissue below cannot be found in the ear and epiglottis.Rate this question:
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- 20.
The term for the matrix/ground substance in bone is which of these:
- A.
Plasma
- B.
Lamella
- C.
Amorphous
- D.
Osteon
Correct Answer
B. LamellaExplanation
Lamella refers to the matrix or ground substance in bone. It is a thin layer of mineralized collagen fibers that form concentric rings around the central canal of an osteon. These lamellae provide strength and support to the bone, allowing it to withstand mechanical stress. The lamellar structure also helps in the distribution of nutrients and oxygen to the bone cells. Therefore, lamella is the correct term for the matrix/ground substance in bone.Rate this question:
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.jpg "Identify the structure at the pointer:")
.jpg "Identify the specific tissue below:")
.jpg "Identify the structure at the pointer:")
.jpg "If this tissue was alive what would the cell at the pointer be called:")
.jpg "Identify the structure at the pointer:")
.jpg "True/false: The tissue below can be found at the end of long bones.")
.jpg "True/false: The tissue below can be found in the ear and epiglottis.")
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Oct 18, 2024Quiz Edited by
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Feb 06, 2012Quiz Created by
Sutton_anatomy
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