VANA 102 Avian Anatomy: External Anatomy of Gallus gallus domesticus
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Questions and Answers

What is the largest bone of the avian face?

  • Maxillae
  • Quadrate bone
  • Lacrimals
  • Mandible (correct)

Which bone forms the roof of the braincase in avian species?

  • Malar bone
  • Maxillae
  • Nasal bone
  • Frontal bone (correct)

What is the function of the furcula in avian anatomy?

  • Formation of the nasal cavity
  • Support for the wings during flight (correct)
  • Support for the shoulder girdle
  • Protection of the beak

Which bone articulates with the head of the humerus in avian anatomy?

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

How many digits are present in the avian wing?

<p>3 (B)</p> Signup and view all the answers

What is the function of pterylae in chickens?

<p>To anchor feathers (B)</p> Signup and view all the answers

What is the primary function of the kinetic system in a chicken's skull?

<p>To allow lateral movement of the jaw (C)</p> Signup and view all the answers

Which bones in a chicken's body are considered pneumatic bones?

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

Which bones in a chicken's body serve as an important source of calcium when hens are laying eggs?

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

What is the primary function of the sclerotic ring in a chicken's eye?

<p>To maintain shape and support the eye (B)</p> Signup and view all the answers

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