Anatomy Exam 4 Flashcards
Why is it important for us to know about the blood vessels?
so we know how we can hurt people
What is the meaning of afferent?
goes into the brain
What is the meaning of efferent?
carries info from the brain to the body
What does an IA anesthetize?
mandibular teeth to the midline
What does the lingual nerve innervate?
lingual side and tongue
What is the difference between a hemmorhaging and hematoma?
hemmorhaging the blood does not clot, a hematoma is like a bruise where the blood has clustered (can happen during anesthesia)
What do arteries do?
blood vessel that carries blood away from the heart
What do veins do?
blood vessel that carries blood to the heart
What is atherosclerosis?
Narrowing and blocking of the arteries by fatty arterial plaque
What is a thrombus?
a clot forming on an inner blood vessel wall
What is an emboli?
Foreign material such as a thrombus traveling in the blood to block a vessel
What foramens does the trigeminal nerve go through?
rotundum (max) and ovale (man)
What veins cross over the sternoclyoid?
external jugular vein and the subclavican
Is Bells Palsy unilateral or bilateral?
unilateral
What is the most reliable arterial pulse?
carotid
Shingles affect what nerve?
trigeminal nerve
If the mandible has damage and the mandibular has damage within the mandibular canal When the ramus is fractured, what nerves are affected?
mental
When the ramus is fractured, what teeth are affected?
anterior
What teeth are affected by a nasopalatine block?
maxillary anteriors linguals (canine to canine)
What veins drain the head and neck?
internal jugular
What nerve gives pulpal sensation of canines?
ASA Max (cental, lateral, canine)
What injection would you give for palatal surgeries?
greater palatine
Trigeminal nerve is which cranial nerve and how many divisions does it have?
V, has 3 divisions
How many pairs of cranial nerves are there?
12
The inferior alveolar nerve travels down the mandibular and converges with two nerves that come out of the mental foramen. What 2 nerves are these?
mental and incisive
If a PSA is given on the buccal and a pt. complains of still feeling pain, which nerves are affected?
PSA nerve
Where are the submandibular lymph nodes located?
sit between the submandibular salivary glands, which are underneath the tongue, and the mandible, or lower jawbone.
What does the submandibular drain?
unilaterally drain the cheeks, upper lip, body of the tongue, anterior hard palate, and most of the teeth with associated periodontium and gingiva, except for the mandibular incisors and maxillary third molars.
What tissues and teeth drain into the submandibular?
lips, cheeks, gums, anterior tongue
What does the submental drain?
bilaterally drain the lower lip, both sides of the chin, the floor of the mouth, the apex of the tongue, and the mandibular incisors with associated periodontium and gingiva.
Palpating a lymph node from the angle of the mandible, what can be felt?
superficial cervical chain
What is an increase in size of lymph nodes called?
lymphadenopathy
What is the main role of lymph nodes?
filtration, filters the toxins and infection
When a cancer tumor spreads, what is that called?
metastisize
What does the right side lymph nodes drain?
thoracic
What does the left side lymph nodes drain?
rest of the body
Describe healthy lymph nodes in a healthy patient?
In a healthy patient lymph nodes are small, soft and free or mobile. They cannot be visualized or felt when palapating.
What does a cancerous lymph node look like?
large, can be seen
How do you tell a patient to palpate the occipital lymph nodes?
Lean the head forward
What does the lymphatic system do?
helps fight disease
What is the lymphatic system a part of?
the immune system
What vein crosses over/innervates the cervical muscles?
accessory nerve cranial nerve 11 innvervates and crosses over the sternoclydoid and crosses over the traspezius
Where do the 3rd molars drain?
Upper deep cervical
