Human Anatomy Bones And Tissues Trivia Quiz

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  • 1/73 Questions

    Which of the following two minerals are needed in large quantities when bones are growing?

    • Calcium and chlorine
    • Magnesium and sulfur
    • Calcium and phosphorous
    • Manganese and sulfur
    • Potassium and phosphorous
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Skeletal System Quizzes & Trivia
About This Quiz

The human body has a skeletal system that is made up on bones, cartilage, ligaments and other tissues that serve a specific function. Below I have prepared a quiz that is perfect to help you test out what you understand about human anatomy when it comes to bones and tissues. Give it a try and test your understanding on the subject.

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  • 2. 

    This is the region of a long bone that articulates with other bones.

    • Diaphysis

    • Epiphysis

    • Metaphysis

    • Periosteum

    • Marrow

    Correct Answer
    A. Epiphysis
    Explanation
    The epiphysis is the correct answer because it is the region of a long bone that articulates with other bones. The epiphysis is the rounded end of the bone, which is covered with a layer of articular cartilage that allows for smooth movement and helps to absorb shock during joint movement. It is also the site of secondary ossification where the bone continues to grow in length.

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  • 3. 

    The general process by which bones form is called

    • Ossification.

    • Osteomalacia.

    • Calcification.

    • Apposition.

    • Orthodontics

    Correct Answer
    A. Ossification.
    Explanation
    The correct answer is ossification. Ossification is the general process by which bones form. During ossification, specialized cells called osteoblasts deposit mineral salts and collagen fibers, which gradually harden and form new bone tissue. This process is essential for bone growth, repair, and remodeling throughout life. Osteomalacia refers to a softening of bones due to a lack of mineralization, calcification is the process of depositing calcium salts in tissues, apposition refers to the growth of bone tissue on the outer surface, and orthodontics is a branch of dentistry that deals with the alignment and correction of teeth and jaws.

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  • 4. 

    Which of the following terms refers to an inflammation of the skin characterized by patches of redness, blistering, and extreme itching?

    • Papule

    • Laceration

    • Keratosis

    • Frostbite

    • Eczema

    Correct Answer
    A. Eczema
    Explanation
    Eczema refers to an inflammation of the skin that is characterized by patches of redness, blistering, and extreme itching. It is a common condition that can be chronic and recurring. Eczema can be triggered by various factors such as allergies, irritants, or genetic predisposition. It often affects areas like the hands, arms, and face, causing discomfort and a significant impact on the quality of life for those who suffer from it. Treatment options for eczema include topical creams, moisturizers, and lifestyle modifications to manage symptoms and prevent flare-ups.

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  • 5. 

    Which of the following terms refers to a Hardened and thickened area of skin resulting from persistent pressure and friction?

    • Callus

    • Blister

    • Wart

    • Papule

    • Fever blister

    Correct Answer
    A. Callus
    Explanation
    A callus refers to a hardened and thickened area of skin that forms due to persistent pressure and friction. This is typically seen in areas of the body that experience repetitive rubbing or pressure, such as the hands or feet. The skin responds to this friction by producing extra layers of skin cells, resulting in the formation of a callus.

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  • 6. 

    Which of the following skin disorders involves inflammation of sebaceous glands caused by bacteria which thrive in the lipid-rich sebum?

    • Alopecia

    • Acne

    • Vitiligo

    • Pressure ulcer

    • Eczema

    Correct Answer
    A. Acne
    Explanation
    Acne is the correct answer because it involves inflammation of the sebaceous glands caused by bacteria that thrive in the lipid-rich sebum. The sebaceous glands produce an oily substance called sebum, and when this sebum becomes trapped in the pores along with dead skin cells and bacteria, it can cause inflammation and the formation of pimples, blackheads, and whiteheads.

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  • 7. 

    This is the shaft of a long bone.

    • Diaphysis

    • Epiphysis

    • Metaphysis

    • Periosteum

    Correct Answer
    A. Diaphysis
    Explanation
    The diaphysis is the correct answer because it refers to the shaft of a long bone. The diaphysis is the long, cylindrical, main portion of a long bone that provides support and stability. It is composed of compact bone tissue and contains the medullary cavity, which houses yellow bone marrow. The epiphysis refers to the ends of a long bone, the metaphysis is the region between the diaphysis and epiphysis, and the periosteum is the tough outer covering of a bone.

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  • 8. 

    This is a layer of hyaline cartilage that reduces friction between bones involved in a joint.

    • Periosteum

    • Distal epiphysis

    • Nutrient Foramen

    • Articular Cartilage

    Correct Answer
    A. Articular Cartilage
    Explanation
    Articular cartilage is the correct answer because it is a layer of hyaline cartilage that reduces friction between bones involved in a joint. It acts as a smooth and slippery surface that allows the bones to glide over each other with minimal friction during movement. This cartilage also helps to absorb shock and distribute pressure evenly across the joint, protecting the underlying bones from wear and tear.

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  • 9. 

     Which of the following conditions is a cancer affecting osteoblasts?

    • Osteogenic sarcoma

    • Rickets

    • Osteomalacia

    • Osteoarthritis

    • Osteopenia

    Correct Answer
    A. Osteogenic sarcoma
    Explanation
    Osteogenic sarcoma is a cancer that affects osteoblasts, which are the cells responsible for forming new bone tissue. This type of cancer typically occurs in children and young adults and is characterized by the abnormal growth of bone tissue.

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  • 10. 

    Which condition results from androgens inhibiting hair growth in genetically predisposed adults?

    • Hirsutism

    • Pallor

    • Jaundice

    • Male-pattern baldness

    • Erythema

    Correct Answer
    A. Male-pattern baldness
    Explanation
    Male-pattern baldness is a condition that results from androgens inhibiting hair growth in genetically predisposed adults. Androgens are hormones that are responsible for the development of male characteristics, including hair growth. In individuals who are genetically predisposed to male-pattern baldness, the presence of androgens can cause hair follicles to shrink and produce shorter, thinner hair strands, eventually leading to hair loss. This condition typically affects the front and top of the scalp, resulting in a receding hairline and balding in these areas.

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  • 11. 

    Which condition is due to a buildup of bilirubin pigment in the skin?

    • Hirsutism

    • Pallor

    • Jaundice

    • Androgenic alopecia

    • Erythema

    Correct Answer
    A. Jaundice
    Explanation
    Jaundice is a condition characterized by a buildup of bilirubin pigment in the skin. Bilirubin is a yellow pigment that is produced when red blood cells break down. Normally, the liver processes and excretes bilirubin, but when there is a problem with the liver or the bile ducts, bilirubin can accumulate in the bloodstream and cause a yellowing of the skin and eyes. This condition is known as jaundice. Hirsutism refers to excessive hair growth, pallor refers to paleness of the skin, androgenic alopecia is male pattern baldness, and erythema refers to redness of the skin.

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  • 12. 

    This is the region of long bone found between the diaphysis and epiphysis.

    • Epiphyseal Plate

    • Epiphyseal Line

    • Metaphysis

    • Diaphyseal line

    Correct Answer
    A. Metaphysis
    Explanation
    The correct answer is Metaphysis. The metaphysis is the region of a long bone that is located between the diaphysis (shaft) and the epiphysis (ends). It is characterized by its spongy bone structure and contains the growth plate (epiphyseal plate) during childhood and adolescence. The metaphysis plays a crucial role in bone growth and development.

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  • 13. 

    “Goose bumps” are caused by

    • Contraction of arrector pili muscles.

    • Ecretions from the sudoriferous glands.

    • Contraction of dermal papillae

    • Stimulation of hair root plexus.

    • Secretions from the sebaceous gland.

    Correct Answer
    A. Contraction of arrector pili muscles.
    Explanation
    Goosebumps, also known as piloerection, are caused by the contraction of arrector pili muscles. These muscles are attached to the hair follicles and when they contract, they pull the hair upright, causing the skin to form small bumps. This response is often triggered by emotions such as fear or cold temperatures. The contraction of arrector pili muscles is responsible for the characteristic appearance of goosebumps on the skin.

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  • 14. 

    Which of the following structures contain osteocytes?

    • Haversian canals

    • Volkmann’s canals

    • Concentric lamellae

    • Lacunae

    • Canaliculi

    Correct Answer
    A. Lacunae
    Explanation
    Lacunae are small spaces or cavities within the bone matrix where osteocytes, which are mature bone cells, are housed. These lacunae are interconnected by tiny channels called canaliculi, which allow for communication and nutrient exchange between the osteocytes. The other structures listed, such as haversian canals, Volkmann's canals, and concentric lamellae, are all components of the Haversian system, which is responsible for the vascularization and remodeling of bone tissue, but they do not contain osteocytes themselves.

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  • 15. 

    Which of the following conditions results when the articular cartilages in a joint degenerate to the point where the bony ends of articulating bones touch?

    • Osteogenic sarcoma

    • Rickets

    • Osteomalacia

    • Osteoarthritis

    • Osteopenia

    Correct Answer
    A. Osteoarthritis
    Explanation
    Osteoarthritis is the correct answer because it is a condition that occurs when the articular cartilages in a joint degenerate to the point where the bony ends of articulating bones touch. This leads to pain, stiffness, and inflammation in the affected joint. Osteogenic sarcoma is a type of bone cancer, rickets and osteomalacia are conditions related to vitamin D deficiency, and osteopenia is a condition characterized by low bone density.

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  • 16. 

    Like other ________, bone tissue contains an abundant extracellular matrix that surrounds widely separated cells.

    • Epithelial tissues

    • Muscular tissues

    • Nervous tissues

    • Connective tissues

    • Facial tissues

    Correct Answer
    A. Connective tissues
    Explanation
    Connective tissues are characterized by having an abundant extracellular matrix that surrounds widely separated cells. This matrix is made up of fibers, ground substance, and fluid, which provide structural support and allow for flexibility and movement. Unlike other tissues like epithelial, muscular, and nervous tissues, connective tissues are not tightly packed and have a more dispersed arrangement of cells. Therefore, connective tissues are the correct answer for this question.

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  • 17. 

    This layer of the skin is composed of a keratinized stratified squamous epithelium.

    • Epidermis

    • Dermis

    • Hypodermis

    • Subcutaneous layer

    • Corpuscle

    Correct Answer
    A. Epidermis
    Explanation
    The epidermis is the outermost layer of the skin and is composed of a keratinized stratified squamous epithelium. This means that the cells of the epidermis are flattened and filled with a protein called keratin, which provides strength and protection to the skin. The epithelium is arranged in layers, with the outermost layer being constantly shed and replaced by new cells from the lower layers. The epidermis acts as a barrier, protecting the underlying tissues from damage, pathogens, and water loss.

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  • 18. 

    Albinism is the inherited inability to produce

    • Melanin.

    • Carotene

    • Both melanin and carotene.

    • Keratin

    • Creatinine.

    Correct Answer
    A. Melanin.
    Explanation
    Albinism is a genetic condition characterized by the inability to produce melanin, the pigment responsible for the color of the skin, hair, and eyes. This lack of melanin production results in a pale or white appearance of the skin, hair, and eyes. Carotene is a pigment found in certain foods and can contribute to skin color, but it is not directly related to albinism. Keratin is a protein found in the skin, hair, and nails, while creatinine is a waste product of muscle metabolism. Neither of these substances is responsible for albinism.

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  • 19. 

    When a person’s body becomes too warm, how does the integumentary system work with other body systems to maintain homeostasis?

    • Increased secretion of perspiration helps cool the body.

    • Fewer waste products are secreted in sweat, so the kidneys work harder.

    • Blood vessels in the skin constrict and increase blood flow to the core.

    • Too little vitamin D is made, resulting in rickets

    • Infections increase because the skin becomes more permeable.

    Correct Answer
    A. Increased secretion of perspiration helps cool the body.
    Explanation
    When a person's body becomes too warm, the integumentary system works with other body systems to maintain homeostasis by increasing the secretion of perspiration. Perspiration helps cool the body through the process of evaporation, which helps to lower the body temperature. This is an important mechanism for regulating body temperature and preventing overheating.

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  • 20. 

    This is a layer of hyaline cartilage that allows the diaphysis to grow in length.

    • Periosteum

    • Distal Epiphysis

    • Nutrient Foramen

    • Articular cartilage

    • Epiphyseal Plate

    Correct Answer
    A. Epiphyseal Plate
    Explanation
    The epiphyseal plate is a layer of hyaline cartilage located at the ends of long bones. It allows the diaphysis (shaft) of the bone to grow in length by ossifying and replacing cartilage with new bone tissue. This process is known as endochondral ossification. The epiphyseal plate is responsible for longitudinal bone growth during childhood and adolescence. Once growth is complete, the epiphyseal plate closes and is replaced by a bony structure called the epiphyseal line.

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  • 21. 

    These are considered bone-building cells.

    • Fibroblasts

    • Osteoclasts

    • Osteocytes

    • Osteoblasts

    • All of the above

    Correct Answer
    A. Osteoblasts
    Explanation
    Osteoblasts are cells responsible for building bones. They play a crucial role in bone formation and repair by secreting the proteins and minerals needed to create new bone tissue. Osteoblasts are involved in the production of collagen, which forms the framework for bone, and they also regulate the mineralization process. Therefore, osteoblasts are considered bone-building cells.

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  • 22. 

    This type of fracture is considered a partial fracture and is only seen in children

    • Open

    • Comminuted

    • Impacted

    • Greenstick

    • Stress

    Correct Answer
    A. Greenstick
    Explanation
    A greenstick fracture is a type of partial fracture that is commonly seen in children. It occurs when one side of the bone is broken, while the other side remains intact. This type of fracture is often caused by bending or twisting forces applied to the bone. The name "greenstick" comes from the analogy of a green tree branch that bends and cracks but does not completely break. Unlike other types of fractures, greenstick fractures do not fully separate the bone, making them unique to children whose bones are still growing and more flexible.

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  • 23. 

    This is another name for the subcutaneous layer.

    • Dermis

    • Epidermis

    • Stratum corneum

    • Stratum basale

    • Hypodermis

    Correct Answer
    A. Hypodermis
    Explanation
    The hypodermis is the layer of skin that lies beneath the dermis. It is composed of connective tissue and adipose (fat) tissue. The hypodermis acts as an insulator, helping to regulate body temperature, and also serves as a cushion, protecting the underlying structures of the body. It is sometimes referred to as the subcutaneous layer or subcutis.

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  • 24. 

    Which of the following structures found in the skin plays an important role in thermoregulation?

    • Merkel cells

    • Sebaceous glands

    • Sweat gland

    • Nails

    • Fingerprints

    Correct Answer
    A. Sweat gland
    Explanation
    Sweat glands play an important role in thermoregulation. When the body temperature rises, sweat glands produce sweat, which evaporates from the skin and helps to cool down the body. This process helps in maintaining the body's internal temperature within a normal range.

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  • 25. 

    This is the fibrous covering on the surface of bone that is involved in thickening of the bone.

    • Periosteum

    • Endosteum

    • Marrow

    • Epiphysis

    Correct Answer
    A. Periosteum
    Explanation
    The periosteum is a fibrous covering on the surface of bone that plays a crucial role in the thickening of the bone. It contains blood vessels, nerves, and cells that are responsible for bone growth and repair. The periosteum also helps in the attachment of tendons and ligaments to the bone, providing stability and support to the skeletal system.

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  • 26. 

    This epidermal cell has a role in immunity and disease resistance.

    • Langerhans cells

    • Keratinocytes

    • Melanocytes

    • Merkel cells

    • Podocytes

    Correct Answer
    A. Langerhans cells
    Explanation
    Langerhans cells are a type of epidermal cell that play a crucial role in the immune system and disease resistance. They are specialized antigen-presenting cells that help to initiate and regulate immune responses in the skin. Langerhans cells are able to recognize and capture foreign substances, such as bacteria or viruses, and present them to other immune cells to activate an immune response. This helps to protect the body from infections and other diseases.

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  • 27. 

    These are considered bone-dissolving cells.

    • Osteogenic cells

    • Osteoclast

    • Osteocytes

    • Osteoblasts

    • All of these choices

    Correct Answer
    A. Osteoclast
    Explanation
    Osteoclasts are considered bone-dissolving cells. They are responsible for breaking down and resorbing bone tissue. They play a crucial role in bone remodeling and are involved in the maintenance of calcium and phosphate balance in the body. Osteoclasts are multinucleated cells that secrete enzymes and acids to dissolve the mineralized matrix of bone, allowing for the removal of old or damaged bone tissue.

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  • 28. 

    Which of the following terms refers to redness of the skin such as seen in patients with inflammation, infection or heat exposure?

    • Hirsutism

    • Pallor

    • Jaundice

    • Androgenic alopecia

    • Erythema

    Correct Answer
    A. Erythema
    Explanation
    Erythema refers to the redness of the skin that is commonly observed in patients with inflammation, infection, or heat exposure. It is a visible indication of increased blood flow to the affected area, caused by the dilation of blood vessels. This condition can be a result of various factors such as injury, allergic reactions, or skin infections.

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  • 29. 

    Keratin

    • Is a protein.

    • Is secreted by plasma cells to help protect the body from viruses.

    • Is made by melanocytes only.

    • Is both a protein and made by melanocytes only.

    • All of these choices are correct.

    Correct Answer
    A. Is a protein.
    Explanation
    The correct answer is "is a protein." This is because keratin is indeed a protein. It is a structural protein that is found in the outer layer of the skin, hair, nails, and other structures in the body. It provides strength and protection to these tissues.

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  • 30. 

    This pigment secreted by specialized cells in the skin is capable of absorbing ultraviolet ligh

    • Keratin

    • Melanin

    • Melatonin

    • Carotene

    • Collagen

    Correct Answer
    A. Melanin
    Explanation
    Melanin is the pigment secreted by specialized cells in the skin that is capable of absorbing ultraviolet light. Melanin is responsible for determining the color of our skin, hair, and eyes. It acts as a protective barrier against harmful UV radiation from the sun by absorbing and dissipating the energy. The more melanin a person has, the darker their skin color will be, providing them with more natural protection against sunburn and skin damage.

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  • 31. 

    Characteristics of thick skin include:

    • Found in the palms, soles of the feet and fingertips

    • Does not contain hair follicles.

    • Contains more sweat glands than thin skin

    • Contain epidermal ridges.

    • All of these choices are correct

    Correct Answer
    A. All of these choices are correct
    Explanation
    Thick skin is found in specific areas of the body such as the palms, soles of the feet, and fingertips. It lacks hair follicles and contains a higher number of sweat glands compared to thin skin. Additionally, thick skin is characterized by the presence of epidermal ridges. Therefore, all of the given choices accurately describe the characteristics of thick skin.

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  • 32. 

    This is fine nonpigmented hair that covers the body of the fetus.

    • Alopecia

    • Vellus

    • Lanugo

    • Papilla

    • Lunula

    Correct Answer
    A. Lanugo
    Explanation
    Lanugo refers to the fine nonpigmented hair that covers the body of a fetus. This hair is usually shed before birth, but its presence indicates the normal development of the fetus.

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  • 33. 

    This type of exocrine gland is a simple, branched acinar gland connected to a hair follicle.

    • Sebaceous gland

    • Sudoriferous gland

    • Both sebaceous gland and sudoriferous gland

    • None of these answers are correct

    Correct Answer
    A. Sebaceous gland
    Explanation
    A sebaceous gland is a type of exocrine gland that is simple and branched. It is connected to a hair follicle. This gland is responsible for producing sebum, an oily substance that helps lubricate the skin and hair.

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  • 34. 

    Bone mass reduction is promoted by which hormone

    • Calcitriol

    • Calcitonin

    • Human growth hormone

    • Parathyroid hormone

    • Insulin

    Correct Answer
    A. Parathyroid hormone
    Explanation
    Parathyroid hormone promotes bone mass reduction. It acts by increasing the release of calcium from bones into the bloodstream, which helps maintain normal calcium levels in the body. This hormone stimulates the activity of osteoclasts, cells responsible for breaking down bone tissue. As a result, bone mass is reduced, leading to the release of calcium.

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  • 35. 

    The stratum lucidum

    • Contains lamellar granules

    • Lies just above the stratum basale.

    • Is the layer used in a skin graft.

    • Is present only in thick skin.

    • Can consist of up to 25-30 layers of dead keratinocytes.

    Correct Answer
    A. Is present only in thick skin.
    Explanation
    The stratum lucidum is a layer of the epidermis that is found only in thick skin, such as the skin on the palms of the hands and soles of the feet. It is not present in thin skin, which covers the rest of the body. This layer is translucent and is composed of a few layers of dead keratinocytes. It helps to provide additional protection to the skin in areas that experience more wear and tear.

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  • 36. 

    This layer of the skin is composed mainly of dense irregular connective tissue containing collagen and elastic fibers.

    • Hypodermis

    • Basement membrane

    • Epidermis

    • Dermis

    • Subcutaneous (subQ) layer

    Correct Answer
    A. Dermis
    Explanation
    The dermis is the correct answer because it is the layer of the skin that is composed mainly of dense irregular connective tissue containing collagen and elastic fibers. The dermis is located between the epidermis (the outermost layer of the skin) and the hypodermis (the subcutaneous layer). It provides structural support to the skin and contains blood vessels, nerves, sweat glands, and hair follicles.

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  • 37. 

    These are extensions of the lacunae and are filled with extracellular fluid.

    • Volkmann’s canals

    • Haversian canals

    • Osteons

    • Canaliculi

    • Periosteum

    Correct Answer
    A. Canaliculi
    Explanation
    Canaliculi are small channels or canals found within the bone matrix. They are extensions of the lacunae, which are small spaces where bone cells called osteocytes are located. Canaliculi are filled with extracellular fluid and allow for communication between osteocytes and the blood supply, as well as the exchange of nutrients and waste products.

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  • 38. 

    Which of the following statements about bone remodeling is FALSE?

    • It occurs throughout your lifetime.

    • It involves bone resorption.

    • It involves bone deposition.

    • It occurs at different rates at different locations.

    • It occurs at a faster rate in compact bone than spongy bone.

    Correct Answer
    A. It occurs at a faster rate in compact bone than spongy bone.
    Explanation
    Bone remodeling is a continuous process that occurs throughout a person's lifetime. It involves both bone resorption, which is the breakdown of old bone tissue, and bone deposition, which is the formation of new bone tissue. Bone remodeling occurs at different rates at different locations in the body. However, it does not occur at a faster rate in compact bone than spongy bone. This statement is false because bone remodeling occurs at a faster rate in spongy bone due to its higher surface area and increased metabolic activity.

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  • 39. 

    Which of the following terms refers to an irregular tear of the skin?

    • Abrasion

    • Papule

    • Keloid

    • Laceration

    • Cyst

    Correct Answer
    A. Laceration
    Explanation
    A laceration refers to an irregular tear of the skin. It is a type of wound caused by a sharp object or a blunt force trauma. Unlike an abrasion, which is a superficial scrape, a laceration involves a deeper and more jagged tear in the skin. A papule, keloid, and cyst are all different types of skin abnormalities or growths, but they do not specifically refer to a tear in the skin.

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  • 40. 

    Which of the following correctly lists the order of the four zones of cartilage found within the growth plate starting at the epiphysis and extending to the diaphysis?

    • Calcified cartilage, resting cartilage, proliferating cartilage, hypertrophic cartilage

    • Resting cartilage, proliferating cartilage, calcified cartilage, hypertrophic cartilage

    • Proliferating cartilage, resting cartilage, hypertrophic cartilage, calcified cartilage

    • Resting cartilage, proliferating cartilage, hypertrophic cartilage, calcified cartilage

    • Hypertrophic cartilage, calcified cartilage, proliferating cartilage, resting cartilage

    Correct Answer
    A. Resting cartilage, proliferating cartilage, hypertrophic cartilage, calcified cartilage
    Explanation
    The correct answer is "resting cartilage, proliferating cartilage, hypertrophic cartilage, calcified cartilage." This order is correct because it follows the natural progression of cartilage within the growth plate. Resting cartilage is the first zone, where the chondrocytes are relatively inactive. Proliferating cartilage is the second zone, where the chondrocytes undergo rapid division. Hypertrophic cartilage is the third zone, where the chondrocytes mature and enlarge. Finally, calcified cartilage is the fourth zone, where the cartilage matrix becomes mineralized.

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  • 41. 

    This type of exocrine gland is a simple, coiled tubular gland that is found throughout almost the entirety of the skin.

    • Sebaceous gland

    • Eccrine sweat gland

    • Apocrine sweat gland

    • Ceruminous gland

    • None of these answer choices are correct.

    Correct Answer
    A. Eccrine sweat gland
    Explanation
    The given correct answer is "Eccrine sweat gland". Eccrine sweat glands are a type of exocrine gland that are simple, coiled tubular glands found throughout almost the entirety of the skin. These glands are responsible for producing sweat, which helps regulate body temperature. Unlike apocrine sweat glands, eccrine sweat glands are not associated with hair follicles and are found in higher concentrations on the palms of the hands, soles of the feet, and forehead. Sebaceous glands produce sebum, ceruminous glands produce earwax, and none of these answer choices are correct.

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  • 42. 

    Which of following selections lists bone cells in the order from unspecialized stem cell to highly specialized mature bone cell?

    • Osteogenic cells, osteoclasts, osteocytes

    • Osteogenic cells, osteoblasts, osteocytes

    • Osteogenic cells, osteocytes, osteoblasts

    • Osteoblasts, osteogenic cells, osteocytes

    • None of the above

    Correct Answer
    A. Osteogenic cells, osteoblasts, osteocytes
    Explanation
    The correct answer is osteogenic cells, osteoblasts, osteocytes. Osteogenic cells are unspecialized stem cells that can differentiate into osteoblasts. Osteoblasts are responsible for bone formation and produce the extracellular matrix of bone. Once surrounded by the matrix, osteoblasts become osteocytes, which are mature bone cells responsible for maintaining bone tissue. Therefore, this selection lists bone cells in the order from unspecialized stem cell to highly specialized mature bone cell.

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  • 43. 

    The renewal rate for compact bone tissue is

    • 4% per year.

    • 15% per year.

    • 20% per year.

    • 25% per year.

    • Extremely difficult to measure.

    Correct Answer
    A. 4% per year.
    Explanation
    The renewal rate for compact bone tissue is 4% per year. This means that approximately 4% of the compact bone tissue is replaced or regenerated each year. This renewal process helps maintain the strength and integrity of the bone over time. It is important for bone health as it allows for the removal of old or damaged bone tissue and the formation of new bone tissue.

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  • 44. 

    Hypersecretion of human growth hormone during childhood results in

    • Giantism.

    • Acromegaly.

    • Dwarfism.

    • Rickets.

    • Nothing will happen.

    Correct Answer
    A. Giantism.
    Explanation
    Hypersecretion of human growth hormone during childhood leads to giantism. This condition is characterized by excessive growth and an abnormal increase in height. It occurs when the pituitary gland produces an excessive amount of growth hormone, which stimulates the growth plates in the long bones of the body. As a result, the individual experiences accelerated and disproportionate growth, leading to a significantly taller stature than average. Acromegaly, on the other hand, is the result of hypersecretion of growth hormone during adulthood, causing enlargement of bones and tissues. Dwarfism is a condition of stunted growth and short stature, usually caused by genetic or hormonal abnormalities. Rickets is a bone disorder caused by a deficiency in vitamin D, calcium, or phosphate, leading to weakened and deformed bones.

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  • 45. 

    Which of the following is NOT a major function of the skeletal system?

    • Support

    • Locomotion

    • Hemopoiesis

    • Energy storage

    • Carcinogenesis

    Correct Answer
    A. Carcinogenesis
    Explanation
    The skeletal system is responsible for various functions in the body, including support, locomotion, hemopoiesis (the production of blood cells), and energy storage. Carcinogenesis, on the other hand, refers to the process of cancer development and is not a function of the skeletal system.

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  • 46. 

    Which of the following terms refers to paleness of the skin such as seen in patients with shock or anemia?

    • Hirsutism

    • Pallor

    • Jaundice

    • Androgenic alopecia

    • Erythema

    Correct Answer
    A. Pallor
    Explanation
    Pallor refers to the paleness of the skin, which can be observed in patients with shock or anemia. This condition is characterized by a loss of color in the skin, making it appear lighter than usual. Pallor is often caused by a decrease in blood flow or a decrease in the number of red blood cells, resulting in a lack of oxygen and nutrients reaching the skin.

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  • 47. 

    Which of the following terms refers to reddened, elevated, and itchy patches of skin commonly caused by emotional stress, physical trauma, or certain food allergies?

    • Wart

    • Hives

    • Papule

    • Cyst

    • Eczema

    Correct Answer
    A. Hives
    Explanation
    Hives refers to reddened, elevated, and itchy patches of skin commonly caused by emotional stress, physical trauma, or certain food allergies.

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  • 48. 

    You stepped on a nail. List the sequential layers (or strata) of the epidermis that the nail penetrated through to finally reach the dermis.

    • Basale, spinosum, granulosom, corneum

    • Granulosom, spinosum, lucidum, corneum, basale

    • Corneum, lucidum, granulosom, spinosum, basale

    • Corneum, granulosom, spinosum, basale

    • Corneum, granulosom, lucidum, spinosum, basale

    Correct Answer
    A. Corneum, lucidum, granulosom, spinosum, basale
    Explanation
    The correct answer is corneum, lucidum, granulosom, spinosum, basale. The epidermis is the outermost layer of the skin and is composed of several layers or strata. The corneum is the outermost layer, followed by the lucidum, granulosom, spinosum, and basale. When you step on a nail, it first penetrates through the corneum layer, then the lucidum, granulosom, spinosum, and finally reaches the dermis.

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  • 49. 

    Osteons in compact bone tissue are aligned

    • Horizontal to the metaphysis.

    • Parallel to the epiphysis.

    • Parallel to the length of the diaphysis.

    • Randomly between the epiphyseal plates.

    • Parallel to the perforating canals.

    Correct Answer
    A. Parallel to the length of the diaphysis.
    Explanation
    Osteons in compact bone tissue are aligned parallel to the length of the diaphysis. Osteons are the basic structural units of compact bone, consisting of concentric layers of bone tissue called lamellae. These lamellae are arranged around a central canal called the Haversian canal, which contains blood vessels and nerves. The alignment of osteons parallel to the length of the diaphysis provides strength and support to the long bone, allowing it to bear weight and withstand mechanical stress.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
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  • Mar 26, 2012
    Quiz Created by
    Sophnguyen

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