Anatomy and Physiology Connective Tissue
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Questions and Answers

Which characteristic distinguishes merocrine glands from other exocrine glands?

  • They accumulate secretions within the cell until it ruptures.
  • They secrete a thick, oily substance.
  • They release their products through exocytosis. (correct)
  • They secrete directly into the bloodstream.

If a doctor orders a cross-sectional image of a patient's abdomen, which plane will the imaging device be aligned with?

  • Sagittal plane
  • Median plane
  • Transverse plane (correct)
  • Frontal plane

In comparing the relative locations of the arm and the hand, which of the following statements is most accurate?

  • The arm is inferior to the hand.
  • The arm is distal to the hand.
  • The hand is proximal to the arm.
  • The arm is proximal to the hand. (correct)

How does fibrocartilage connective tissue contribute to the function of intervertebral discs?

<p>It provides cushioning and absorbs shock, protecting the vertebrae. (D)</p> Signup and view all the answers

Which characteristic is most important for leukocytes to effectively protect the body from infection?

<p>Their ability to identify and neutralize foreign invaders. (A)</p> Signup and view all the answers

During embryonic development, what role does mesenchyme play in the formation of connective tissues?

<p>It differentiates into all types of connective tissues. (D)</p> Signup and view all the answers

What functional adaptation is provided by simple cuboidal epithelium in kidney tubules, ducts, and glands?

<p>Secretion and absorption. (A)</p> Signup and view all the answers

What critical structure is protected as it passes through the transverse foramen of the cervical vertebrae?

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

Considering the origin and insertion points, what primary action does the zygomaticus muscle facilitate?

<p>Elevation of the corners of the mouth. (C)</p> Signup and view all the answers

Which bone is unique in its lack of direct articulation with any other bone?

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

Flashcards

Examples of Connective Tissues

Connective tissues that include both hyaline cartilage and blood.

Transverse Plane

Divides the body into superior and inferior parts.

Simple Cuboidal Epithelium

Single layer of cube-shaped cells, spherical nucleus.

Merocrine Glands

Glands secrete products via exocytosis. Most common type.

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Mesenchyme

Embryonic tissue that gives rise to all connective tissues.

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Median Plane

Divides the body into equal right and left halves.

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Proximal

A position closer to the attachment point or trunk.

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Fibrocartilage

Type of cartilage found in intervertebral discs.

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Leukocytes

Immune system cells that protect the body from infections.

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Hyoid Bone

Bone that does not attach to any other bone.

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Study Notes

  • Both hyaline cartilage and blood are types of connective tissues.
  • The horizontal/cross-section/transverse plane divides the body or organ into superior and inferior portions.
  • Simple cuboidal epithelium consists of a single layer of cells as tall as they are wide and has a spherical nucleus.
  • Merocrine glands use exocytosis to secrete their products and are the most common type of multicellular exocrine gland.
  • Mesenchyme is embryonic tissue that gives rise to all connective tissues.
  • The median/sagittal plane divides the body or an organ into right and left sides.
  • The arm is proximal/superior to the hand.
  • Fibrocartilage connective tissue is located within the intervertebral disks.
  • Leukocytes are cells of the immune system and protect the body from infections.
  • Chondroblasts, hematopoietic stem cells, osteoblasts, and fibroblasts are cellular descendants of mesenchyme.
  • Simple cuboidal epithelium is found around the lumen in kidney tubules, ducts, and glands.
  • Collagen and elastic fibers are clearly visible in areolar connective tissue.
  • The hyoid bone is unique in that it does not articulate with any other bone.
  • Protection is the function of stratified squamous epithelium.
  • Vertebral arteries pass through the transverse foramen on cervical vertebrae.
  • The head of the femur fits into the acetabulum on the hip bone.
  • The thyrohyoid muscle inserts at the hyoid bone.
  • The transverse abdominis muscle originates at the ribs and iliac crest.
  • The zygomaticus elevates the corners of the mouth, originates at the zygomatic bones, and inserts at the corner of the mouth.

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Description

A review of connective tissues in the human body. Includes cartilage, blood, epithelium tissue and glands. Also covers planes of the body.

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