ITEC A&p (Tissue & Cell) Q&a
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Questions and Answers
- 1.
Which tissue is found all over the body connecting and supporting other tissues?
- A.
Areolar
- B.
Adipose
- C.
Yellow elastic
- D.
White fibrous
Correct Answer
A. AreolarExplanation
Areolar tissue is found all over the body and serves as a connecting and supporting tissue for other tissues. It is made up of loosely arranged collagen and elastic fibers, which allows it to be flexible and provide support. Areolar tissue also contains various cells, such as fibroblasts and immune cells, which play a role in maintaining the overall health and integrity of the body's tissues.Rate this question:
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- 2.
What is the function of blood tissue?
- A.
To absorb shock
- B.
To transport food and oxygen to all parts of the body
- C.
To support and protect the body and all of its organs
- D.
To produce movement
Correct Answer
B. To transport food and oxygen to all parts of the bodyExplanation
Blood tissue functions to transport food and oxygen to all parts of the body. It carries nutrients from the digestive system to the cells, and oxygen from the lungs to the tissues. Additionally, blood removes waste products such as carbon dioxide from the cells and delivers them to the lungs and kidneys for elimination. Through its circulation, blood ensures that all organs and tissues receive the necessary nutrients and oxygen for their proper functioning.Rate this question:
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- 3.
Which organelle in a cell is often referred to as the 'power house'?
- A.
Endoplasmic reticulum
- B.
Ribosome
- C.
Golgi apparauts
- D.
Mitochondria
Correct Answer
D. MitochondriaExplanation
Mitochondria are often referred to as the 'power house' of a cell because they are responsible for producing energy in the form of ATP through cellular respiration. They have their own DNA and can replicate independently within the cell. Mitochondria have a double membrane and contain enzymes that are involved in the metabolic processes of the cell. They play a crucial role in providing energy for various cellular activities and are abundant in cells that require a lot of energy, such as muscle cells.Rate this question:
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- 4.
Which of the following tissues consists predominantly of fat cells
- A.
Adipose tissue
- B.
Areolar tissue
- C.
Cuboidal epithelial tissue
- D.
Dense fibrous tissue
Correct Answer
A. Adipose tissueExplanation
Adipose tissue consists predominantly of fat cells. It is a specialized connective tissue that stores energy in the form of fat. It acts as an insulator, cushioning and protecting organs, and also plays a role in hormone regulation. Adipose tissue is found throughout the body, particularly beneath the skin, around internal organs, and in bone marrow. It is characterized by its large, empty-looking cells filled with lipid droplets. Areolar tissue is a loose connective tissue that contains a variety of cells and fibers, while cuboidal epithelial tissue is a type of epithelial tissue composed of cube-shaped cells. Dense fibrous tissue is a type of connective tissue that contains densely packed collagen fibers.Rate this question:
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- 5.
What structure is known as the powerhouse of a cell?
- A.
Mitochondria
- B.
Ribosomes
- C.
Nucleus
- D.
Lysosomes
Correct Answer
A. MitochondriaExplanation
Mitochondria are known as the powerhouse of a cell because they are responsible for generating most of the cell's energy in the form of ATP (adenosine triphosphate) through a process called cellular respiration. They have their own DNA and can replicate independently within the cell. Mitochondria are found in large numbers in cells that require a lot of energy, such as muscle cells, and play a crucial role in maintaining the overall functioning of the cell.Rate this question:
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- 6.
Where would you typically find squamous epithilieum
- A.
Lining the circulatory system
- B.
Lining the stomach
- C.
Lining the respiratory system
- D.
Lining the bladder
Correct Answer
C. Lining the respiratory systemExplanation
Squamous epithelium is a type of tissue that is composed of flat, scale-like cells. It is typically found lining the respiratory system, which includes the airways such as the trachea and bronchi. This type of epithelium is well-suited for this location as it allows for efficient gas exchange due to its thin and permeable nature. Additionally, the flat shape of the cells helps to protect the underlying tissues from damage and facilitate the movement of mucus and other substances. Therefore, the correct answer is lining the respiratory system.Rate this question:
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- 7.
When a cell reproduces and divides the term is
- A.
Meiosis
- B.
Osmosis
- C.
Mitosis
- D.
Melanosis
Correct Answer
C. MitosisExplanation
Mitosis is the correct answer because it refers to the process by which a cell divides and produces two identical daughter cells. During mitosis, the cell's DNA is replicated and then divided equally between the two daughter cells. This process is essential for growth, repair, and asexual reproduction in organisms. Meiosis, on the other hand, is a type of cell division that occurs in reproductive cells and produces gametes with half the number of chromosomes. Osmosis is the movement of water molecules across a selectively permeable membrane, and melanosis refers to the abnormal production of melanin in the body.Rate this question:
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- 8.
Define adipose tissue
- A.
Loose connective tissue
- B.
Semi-solid tissue
- C.
Elastic tissue
- D.
Fatty tissue
Correct Answer
D. Fatty tissueExplanation
Adipose tissue is a type of loose connective tissue that is primarily composed of fat cells. It is responsible for storing energy in the form of triglycerides and also acts as an insulating layer to protect the body from temperature fluctuations. Adipose tissue is found throughout the body, especially underneath the skin, around organs, and in bone marrow. It provides cushioning and support to organs, helps with hormone regulation, and serves as a source of energy during times of fasting or exercise. Therefore, the correct answer is "Fatty tissue."Rate this question:
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- 9.
What am I explaining The transfer of a substance by pressure, when the concentration of the substance on one side of the membrane if greater than the other. The transference stops when an equal concentration has been achieved.
- A.
Filtration
- B.
Osmosis
- C.
Diffusion
- D.
Dissolution
Correct Answer
C. DiffusionExplanation
Diffusion is the correct answer because it refers to the transfer of a substance from an area of higher concentration to an area of lower concentration. In this case, the explanation is referring to the movement of a substance across a membrane due to a difference in concentration. As the substance diffuses, it will continue to move until an equal concentration is reached on both sides of the membrane. This process is different from filtration, osmosis, and dissolution, which involve other mechanisms of substance transfer.Rate this question:
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- 10.
What is the majority of a cell made up of
- A.
Carbohydrates
- B.
Cytoplasm
- C.
Protoplasm
- D.
Nucleus
Correct Answer
B. CytoplasmExplanation
The majority of a cell is made up of cytoplasm. Cytoplasm is a gel-like substance that fills the cell and contains various organelles, such as mitochondria and ribosomes. It also serves as a medium for many cellular processes, such as metabolism and protein synthesis. While carbohydrates, protoplasm, and nucleus are all important components of a cell, they do not make up the majority of its structure.Rate this question:
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- 11.
Where does the cell receive its energy from?
- A.
Oxygen
- B.
Mitochondria
- C.
Centrosomes
- D.
Golgi apparatus
Correct Answer
B. MitochondriaExplanation
The mitochondria is known as the powerhouse of the cell because it is responsible for producing energy in the form of ATP through cellular respiration. This organelle contains enzymes that break down glucose and other nutrients to release energy. Therefore, the cell receives its energy from the mitochondria.Rate this question:
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- 12.
Onychogryphosis describes;
- A.
Ingrown toe nail
- B.
Flat or concave nail plate
- C.
Bitten nails
- D.
Very thick nail plate with an increased curve
Correct Answer
D. Very thick nail plate with an increased curveExplanation
Onychogryphosis refers to a condition where the nail plate becomes extremely thick and has an increased curve. This condition is often seen in elderly individuals and can cause discomfort and difficulty in trimming the nails. It is important to distinguish onychogryphosis from other nail conditions such as ingrown toenails, flat or concave nail plates, or bitten nails, as the treatment and management may differ.Rate this question:
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- 13.
Which of the following tissues consists predominantly of fat cells
- A.
Adipose tissue
- B.
Areolar tissue
- C.
Cuboidal epithelial tissue
- D.
Dense fibrous tissue
Correct Answer
A. Adipose tissueExplanation
Adipose tissue consists predominantly of fat cells. It is a specialized connective tissue that stores energy in the form of fat and provides cushioning and insulation to the body. Adipose tissue is composed of adipocytes, which are cells that store and release fat. It is found throughout the body, with higher concentrations in areas such as the abdomen, thighs, and buttocks. Adipose tissue also plays a role in hormone regulation and temperature regulation. Areolar tissue is a loose connective tissue, cuboidal epithelial tissue is a type of epithelial tissue, and dense fibrous tissue is a type of connective tissue, but they do not consist predominantly of fat cells.Rate this question:
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- 14.
What structure is known as the powerhouse of a cell?
- A.
Mitochondria
- B.
Ribosomes
- C.
Nucleus
- D.
Lysosomes
Correct Answer
A. MitochondriaExplanation
Mitochondria are known as the powerhouse of a cell because they are responsible for producing the majority of the cell's energy in the form of ATP (adenosine triphosphate) through a process called cellular respiration. This organelle contains its own DNA and is involved in various metabolic processes, including the breakdown of carbohydrates and fatty acids to generate energy. Additionally, mitochondria play a crucial role in regulating cell death and are involved in other important cellular functions such as calcium storage and signaling.Rate this question:
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- 15.
What type of tissue is found in the breast?
- A.
Nervous and muscular
- B.
Blood and lymphoid
- C.
Yellow elastic and white fibrous
- D.
Areolar and adipose
Correct Answer
D. Areolar and adiposeExplanation
The correct answer is areolar and adipose tissue. Areolar tissue is a loose connective tissue that provides support and elasticity to the breast. Adipose tissue, also known as fat tissue, is found in the breast and helps cushion and protect the underlying structures. Together, these tissues contribute to the shape, structure, and function of the breast.Rate this question:
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- 16.
Cancellous tissue is found in bones and is used for:
- A.
Strength
- B.
Flexibility
- C.
Protective and insulatory purposes
- D.
Structure bearing and cell development
Correct Answer
B. FlexibilityExplanation
Cancellous tissue, also known as spongy or trabecular bone, is found in bones and is responsible for providing flexibility. Unlike compact bone, which is dense and strong, cancellous tissue has a porous structure with interconnected spaces filled with bone marrow. This structure allows for greater flexibility and shock absorption, making it ideal for areas that require movement and flexibility, such as the ends of long bones and the vertebrae. Cancellous tissue also plays a role in providing support and structure to the bone, as well as aiding in cell development and bone remodeling.Rate this question:
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- 17.
Which organelle in a cell is often referred to as the ‘power house’?
- A.
Endoplasmic reticulum
- B.
Ribosome
- C.
Golgi apparatus
- D.
Mitochondria
Correct Answer
D. MitochondriaExplanation
Mitochondria is often referred to as the "powerhouse" of the cell because it is responsible for producing energy in the form of ATP through cellular respiration. It contains its own DNA and can reproduce independently from the cell. Mitochondria have a double membrane structure, with the inner membrane folded into structures called cristae, which increase the surface area for energy production. This organelle plays a crucial role in providing energy for various cellular processes and is essential for the functioning of the cell.Rate this question:
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- 18.
The study of the structure and form of cells and tissue is called?
- A.
Osteology
- B.
Histology
- C.
Neurology
- D.
Angiology
Correct Answer
B. HistologyExplanation
Histology is the study of the structure and form of cells and tissues. It involves examining the microscopic anatomy of cells and tissues to understand their organization and function. Osteology is the study of bones, neurology is the study of the nervous system, and angiography is the study of blood vessels. Therefore, histology is the correct answer for the study of cells and tissues.Rate this question:
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- 19.
Define interstitial fluid?
- A.
Fluid which helps maintain blood pressure
- B.
Fluid which filters out through the capillary walls and bathes the body tissues
- C.
Fluid which supplies oxygen and nutrients to most parts of the body
- D.
Fluid which helps maintain body temperature
Correct Answer
B. Fluid which filters out through the capillary walls and bathes the body tissuesExplanation
Interstitial fluid is the fluid that filters out through the capillary walls and bathes the body tissues. It is derived from blood plasma and contains water, electrolytes, nutrients, hormones, and waste products. This fluid plays a crucial role in delivering oxygen and nutrients to the cells, removing waste products, maintaining tissue hydration, and facilitating cell-to-cell communication. It also helps in regulating body temperature and maintaining homeostasis.Rate this question:
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- 20.
What protein gives blood its red colour?
- A.
Albumin
- B.
Fibrinogen
- C.
Globulin
- D.
Haemoglobin
Correct Answer
D. HaemoglobinExplanation
Haemoglobin is the correct answer because it is the protein responsible for giving blood its red color. It is found in red blood cells and is responsible for carrying oxygen from the lungs to the rest of the body. Haemoglobin contains iron, which binds to oxygen and gives blood its characteristic red color.Rate this question:
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- 21.
Endoplasmic reticulum:
- A.
Is a protein factory
- B.
" Is a network of canals which form the circulation of the cell
- C.
" Compounds carbohydrates with protein compounds for energy
- D.
" Releases energy and forms ATP
Correct Answer
A. Is a protein factoryExplanation
The endoplasmic reticulum is responsible for protein synthesis in the cell. It contains ribosomes that help in the production of proteins. This process occurs in the rough endoplasmic reticulum, where the newly synthesized proteins are modified and transported to other parts of the cell or outside of the cell. Therefore, the correct answer is that the endoplasmic reticulum is a protein factory.Rate this question:
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- 22.
Mitosis is the process of:
- A.
" Cell structure
- B.
" Protection against UV light
- C.
" Eliminating toxins from the skin
- D.
" Cell division
Correct Answer
D. " Cell divisionExplanation
Mitosis is the process of cell division, where a single parent cell divides into two identical daughter cells. During mitosis, the DNA in the parent cell is replicated and then distributed equally between the two daughter cells. This process is essential for growth, repair, and maintenance of multicellular organisms. It allows for the formation of new cells to replace old or damaged ones, ensuring the proper functioning of tissues and organs.Rate this question:
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- 23.
Areolar tissue is a type of:
- A.
" Connective tissue
- B.
" Epithelial tissue
- C.
" Nervous tissue
- D.
" Muscular tissue
Correct Answer
A. " Connective tissueExplanation
Areolar tissue is a type of connective tissue. Connective tissue is a type of tissue that connects, supports, and protects other tissues and organs in the body. Areolar tissue is found throughout the body and is composed of loosely arranged collagen and elastic fibers, as well as various types of cells, including fibroblasts, macrophages, and adipocytes. It provides strength and support to surrounding structures and allows for the movement and diffusion of nutrients and waste products.Rate this question:
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- 24.
The function of areolar tissue include:
- A.
" Protection, insulation
- B.
" Support, connection
- C.
" Stretch, recoil
- D.
" Lining, absorption
Correct Answer
B. " Support, connectionExplanation
Areolar tissue functions in providing support and connection within the body. It acts as a framework for organs and tissues, providing structural support. It also serves as a connection between different tissues and organs, allowing for the passage of blood vessels and nerves.Rate this question:
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- 25.
What occurs at the telophase stage of mitosis:
- A.
" Pairs of chromatids divide and identical halves of the pairs move to each end of the cell
- B.
" The spindle fibres disintegrate and the centrioles replicate
- C.
" The chromosomes arrange themselves at the centre of the cell, each attached to the spindle by its centromere
- D.
" The centrosome divides in two
Correct Answer
B. " The spindle fibres disintegrate and the centrioles replicateExplanation
At the telophase stage of mitosis, the spindle fibers disintegrate and the centrioles replicate. This is the final stage of mitosis where the separated chromosomes reach opposite ends of the cell. The disintegration of spindle fibers allows the chromosomes to move freely, while the replication of centrioles ensures that each daughter cell will have its own pair of centrioles for future cell divisions.Rate this question:
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Mar 22, 2023Quiz Edited by
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Mar 08, 2018Quiz Created by
Wayne Duggan
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