Skeletal System Quiz

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Questions and Answers

What is one function of the skeletal system?

  • Transport of nutrients
  • Protection of internal organs (correct)
  • Production of hormones
  • Regulation of body temperature

Which structure replaces the epiphyseal plate in adults?

  • Epiphyseal joint
  • Medullary cavity
  • Articular cartilage
  • Epiphyseal line (correct)

What type of cartilage is not found in the skeletal system?

  • Fibrocartilage
  • Hyaline cartilage
  • Elastic cartilage (correct)
  • Articular cartilage

What is the primary component of the extracellular matrix in bone tissue?

<p>Calcium and other minerals (B)</p> Signup and view all the answers

Which type of tissue lines the surface of bones?

<p>Connective tissue (D)</p> Signup and view all the answers

What happens to the texture of repaired tissue in the skin?

<p>It may have a different texture or consistency (A)</p> Signup and view all the answers

Which function allows the skeletal system to store energy?

<p>Storage of adipose in yellow bone marrow (A)</p> Signup and view all the answers

What is the periosteum responsible for besides lining the bones?

<p>Attachment of tendons and ligaments (B)</p> Signup and view all the answers

What is the primary function of keratin in the stratum lucidum?

<p>To make cells tough and water-resistant (B)</p> Signup and view all the answers

Where is the stratum lucidum primarily located?

<p>In the palms and soles of the feet (D)</p> Signup and view all the answers

Which cells are found in the stratum basale that are responsible for touch sensation?

<p>Merkel cells (C)</p> Signup and view all the answers

What distinguishes eumelanin from pheomelanin?

<p>Eumelanin is black and brown pigment (A)</p> Signup and view all the answers

What is the primary role of the dermal papillae?

<p>To anchor the epidermis to the dermis (A)</p> Signup and view all the answers

How many layers of dead keratinocytes are typically found in the stratum corneum?

<p>15 to 30 layers (A)</p> Signup and view all the answers

What is the main characteristic of cells in the stratum spinosum?

<p>They are shaped like footballs with pointed ends (D)</p> Signup and view all the answers

What role do melanocytes play in the epidermis?

<p>Producing melanin to protect from UV radiation (D)</p> Signup and view all the answers

What is the primary function of interosseus membranes?

<p>To anchor parallel bones to each other (B)</p> Signup and view all the answers

Which ligaments are classified as synarthroses?

<p>Gomphoses (B)</p> Signup and view all the answers

What role do articular discs and menisci serve in the joints?

<p>They provide shock absorption and smooth movements (B)</p> Signup and view all the answers

Which type of ligaments is found incorporated into the wall of the articular capsule?

<p>Intrinsic ligaments (B)</p> Signup and view all the answers

What structures help prevent friction in the joints?

<p>Bursae and tendon sheaths (D)</p> Signup and view all the answers

What characteristic defines irregular bones?

<p>They have complex shapes. (A)</p> Signup and view all the answers

Which type of bone is described as small, round bones suspended in tendons?

<p>Sesamoid bones (D)</p> Signup and view all the answers

Where are the epiphyseal plate and line located?

<p>At the metaphysis (B)</p> Signup and view all the answers

What is a defining characteristic of the patella?

<p>It is the only sesamoid bone found in every person. (A)</p> Signup and view all the answers

Which cell type is referred to as a mature osteoblast?

<p>Osteocytes (B)</p> Signup and view all the answers

What is the primary function of osteoclasts?

<p>To aid in bone remodeling (D)</p> Signup and view all the answers

Which of the following is NOT a category of bone markings?

<p>Tendons (C)</p> Signup and view all the answers

What comprises the medullary cavity in long bones?

<p>Yellow bone marrow (C)</p> Signup and view all the answers

What is the primary function of the midbrain (Mesencephalon)?

<p>Processing of visual and auditory data (C)</p> Signup and view all the answers

Which region of the brainstem is responsible for maintaining consciousness?

<p>Midbrain (C)</p> Signup and view all the answers

How long is the spinal cord typically in men?

<p>45 cm (D)</p> Signup and view all the answers

What is one of the primary functions of the medulla oblongata?

<p>Regulating visceral functions (C)</p> Signup and view all the answers

Which structure relays sensory information to the thalamus?

<p>Pons (A)</p> Signup and view all the answers

What is a characteristic of the spinal cord?

<p>It connects the brain to the peripheral nervous system (A)</p> Signup and view all the answers

Which part of the brainstem is involved in subconscious motor control?

<p>Pons (D)</p> Signup and view all the answers

What is the function of the small gray matter areas in the brainstem?

<p>They regulate vital activities (A)</p> Signup and view all the answers

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