Anatomy and Physiology: Muscle and Nervous Tissue Quiz
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Questions and Answers

Areolar tissue consists of collagen fibers and few ______ fibers

elastic

Adipose tissue contains large amounts of lipid for energy storage and loose arranged collagen and reticular fibers, scattered ______ fibers

elastic

Reticular tissue contains large amounts of ______ fibers

protein

Dense Connective Tissue is abundant in ______ fibers

<p>collagenous</p> Signup and view all the answers

Elastic fibers are abundant in ______ Connective Tissue

<p>Elastic</p> Signup and view all the answers

Cartilage is composed of ______ in spaces called lacunae

<p>chondrocytes</p> Signup and view all the answers

Hyaline cartilage is most abundant and can withstand repeated ______

<p>compressions</p> Signup and view all the answers

Fibro cartilage contains more collagen and is able to resist pulling or tearing, found in disks between vertebrae and some joints like knee and ______

<p>jaw</p> Signup and view all the answers

Elastic cartilage contains elastic fibers and is able to recoil to its original shape, found in external ear, epiglottis, and ______ tube

<p>auditory</p> Signup and view all the answers

Adipose tissue consists of ______ (fat cells)

<p>adipocytes</p> Signup and view all the answers

Study Notes

Smooth Muscle Tissue

  • Nonstriated, involuntary, tapered cells with a single nucleus
  • Found in hollow organs (stomach, intestine), skin, and eyes
  • Regulates organ size, forces fluid through tubes, and controls light entering the eye
  • Produces 'goose bumps'

Nervous Tissue

  • Found in brain, spinal cord, and nerves
  • Responsible for coordinating and controlling action potentials
  • Neurons conduct action potentials
    • Cell body contains the nucleus and performs general cell functions
    • Dendrites receive electric impulses
    • Axon conducts electric impulses

Membranes

  • Thin layer of tissue covering a structure
  • Consists of epithelium and connective tissue
  • Types:
    • Mucous membranes (line digestive, respiratory, and reproductive tracts)
    • Serous membranes (e.g., pleura, pericardium)

Bone Tissue

  • Hard connective tissue with living cells and mineralized matrix
  • Osteocytes (bone cells) located in lacunae
  • Supports and protects other organs
  • Two types: spongy and compact bone

Fluid Connective Tissue

  • Liquid matrix enables blood to flow rapidly
  • Functions: carries nutrients, oxygen, and waste products
  • Components:
    • Red blood cells (RBCs)
    • White blood cells (WBCs)
    • Platelets

Muscle Tissue

  • Ability to contract
  • Muscle fibers resemble tiny threads
  • Types:
    • Skeletal (striated, voluntary)
      • Large, long, cylindrical cells
      • Multinucleated
      • Attached to bones
      • Responsible for body movement
    • Cardiac (striated, involuntary)
      • Cylindrical cells
      • Branched and connected by intercalated disks
      • Single nucleated
      • Found in the heart
      • Pumps blood

Connective Tissue

  • Types:
    • Areolar connective tissue
      • Collagen fibers and few elastic fibers
    • Adipose tissue
      • Consists of adipocytes (fat cells) for energy storage
      • Loose-arranged collagen and reticular fibers, scattered elastic fibers
    • Reticular connective tissue
  • Dense connective tissue
    • Collagenous
      • EM: collagen fibers
    • Elastic
      • Abundant elastic fibers (stretch and recoil) in collagen fibers

Supporting Connective Tissue

  • Cartilage
    • Composed of chondrocytes in lacunae
    • Provides flexibility and strength
    • Supports organs
    • Types:
      • Hyaline cartilage (most abundant, covers bone ends)
      • Fibrocartilage (more collagen, resists pulling/tearing, found in disks between vertebrae and some joints)
      • Elastic cartilage (contains elastic fibers, able to recoil, found in external ear, epiglottis, and auditory tube)

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Description

This quiz tests your knowledge on smooth muscle tissue which is found in hollow organs and nervous tissue found in the brain, spinal cord, and nerves. Topics include functions, locations, and characteristics of these tissues.

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