Central Nervous System Quiz
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Questions and Answers

What type of response is elicited through the reflex arc?

  • A sensory interpretation response
  • A quick and automatic response (correct)
  • A response requiring high cognitive processing
  • A slow and deliberate response

Which of the following is NOT a layer of the meninges surrounding the central nervous system?

  • Dura mater
  • Arachnoid
  • Neuroglia (correct)
  • Pia mater

Where is the spinal cord located in relation to the vertebral column?

  • Dorsal and hollow (correct)
  • Medial and filled with air
  • Lateral and solid
  • Ventral and hollow

What is contained between the layers of the meninges?

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

What are the two main components of the central nervous system?

<p>Spinal cord and brain (A)</p> Signup and view all the answers

What is the primary function of plicae circulares in the epithelial lining?

<p>To increase surface area for absorption (A)</p> Signup and view all the answers

How much does the presence of villi increase the surface area for absorption?

<p>By 10 times (B)</p> Signup and view all the answers

What type of structural adaptation do microvilli represent?

<p>Folding of the plasma membrane (C)</p> Signup and view all the answers

Which of the following statements about villi is accurate?

<p>They are finger-like projections that increase absorption surface area. (D)</p> Signup and view all the answers

Which surface modification increases intestinal surface area by the greatest factor?

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

What is a characteristic of a blind gut?

<p>It has only one opening. (A)</p> Signup and view all the answers

Which phase is NOT part of the food processing in animals?

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

Which digestive enzyme is responsible for breaking down proteins?

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

In which phase does absorption of ions and small molecules occur?

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

What is a defining feature of the tube-within-a-tube gut structure?

<p>Food is ingested and moves through a digestive tube. (A)</p> Signup and view all the answers

What role do hydrolases play in digestion?

<p>They break down larger molecules. (A)</p> Signup and view all the answers

Which of the following phases comes first in the food processing sequence?

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

What is the primary function of lipases in the digestive system?

<p>To emulsify and break down fats (D)</p> Signup and view all the answers

What is the primary function of an osteonic canal?

<p>It provides a passageway for blood vessels and nerves. (A)</p> Signup and view all the answers

What are lamellae in bone tissue?

<p>Concentric rings of bone tissue. (A)</p> Signup and view all the answers

Where are osteocytes located within bone structure?

<p>Inside the lacunae. (C)</p> Signup and view all the answers

What is the medullary cavity primarily used for?

<p>Storage of adipose tissue. (D)</p> Signup and view all the answers

Which statement accurately describes canaliculi?

<p>They are microscopic canals connecting lacunae to each other. (C)</p> Signup and view all the answers

What does the diaphysis refer to in long bone anatomy?

<p>The shaft of the bone. (D)</p> Signup and view all the answers

What type of skeleton do soft-bodied invertebrates predominantly use for propulsion?

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

In what bone region is red bone marrow typically found?

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

Which of the following describes the epiphysis in bone structure?

<p>It is the ends of the bone. (A)</p> Signup and view all the answers

What type of tissue is primarily stored in the yellow bone marrow?

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

What structure covers the external surface of a long bone, except at the articular surface?

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

What type of joint is capable of allowing the greatest range of motion?

<p>Ball-and-socket joint (D)</p> Signup and view all the answers

What type of muscle is classified as involuntary and has a single nucleus per cell?

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

In a skeletal muscle cell, what is the functional unit responsible for contraction?

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

What is the primary function of red bone marrow found in the epiphysis of certain bones?

<p>Production of blood cells (C)</p> Signup and view all the answers

Which type of muscle is characterized as striated and voluntary?

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

Which part of the skeleton consists of limb bones and girdles?

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

What type of joint allows for rotational movement around a single axis?

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

What is the substance stored in the medullary cavity of long bones?

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

What structure is primarily responsible for absorbing shock at the articular surfaces of bones?

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