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Questions and Answers
What is the primary function of the external jugular vein?
What is the primary function of the external jugular vein?
- Supplies blood to the forehead and upper eyelids
- Affects the scalp located at the back of the head
- Controls chewing actions
- Carries blood returning to the heart from the head, face, and neck (correct)
What does the facial artery supply?
What does the facial artery supply?
- The lower region of the face, mouth, and nose (correct)
- The forehead and upper eyelids
- The back of the head
- The scalp
Which bones are part of the facial skeleton?
Which bones are part of the facial skeleton?
- Two frontal bones, two zygomatic bones, two palatine bones, and one mandible
- Two nasal bones, two lacrimal bones, two zygomatic bones, two maxillae, the mandible, two turbinal bones, two palatine bones, and the vomer (correct)
- Two nasal bones, two frontal bones, two zygomatic bones, two maxillary bones, the vomer, and the mandible
- Two lacrimal bones, two occipital bones, two maxillae, two palatine bones, and the nasal bone
Which nerve is known as the chief sensory nerve of the face?
Which nerve is known as the chief sensory nerve of the face?
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What muscle is involved in flexing the wrist?
What muscle is involved in flexing the wrist?
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Where is the frontal artery located?
Where is the frontal artery located?
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Which nerve affects the face, ears, and neck?
Which nerve affects the face, ears, and neck?
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What is the main function of glands?
What is the main function of glands?
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Study Notes
Blood Vessels
- External jugular vein: located at the side of the neck, carries blood returning to the heart from the head, face, and neck
- Facial artery: supplies blood to the lower region of the face, mouth, and nose
- Frontal artery: supplies blood to the forehead and upper eyelids
Bones
- Facial skeleton: composed of 12 bones including nasal bones, lacrimal bones, zygomatic bones, maxillae, mandible, turbinal bones, palatine bones, and the vomer
- Frontal bone: forms the forehead
Muscles
- Frontalis: muscle of the scalp, involved in the anterior or front portion of the epicranius
- Flexor: extensor muscle of the wrist involved in flexing the wrist
Nerves
- Fifth cranial nerve: chief sensory nerve of the face, controls chewing
- Greater auricular nerve: located at the sides of the neck, affects the face, ears, and neck
- Greater occipital nerve: located at the back of the head, affects the scalp
Circulatory System
- Heart: muscular, cone-shaped organ that keeps blood moving through the circulatory system
- General circulation: also known as systemic circulation
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