What is the function of the facial muscles?
Click to see answer
Facial muscles form expressions that reflect mood and are mediated by cranial nerve VII.
Click to see question
What is the function of the facial muscles?
Facial muscles form expressions that reflect mood and are mediated by cranial nerve VII.
What are the main cranial bones of the skull?
Frontal, parietal, occipital, and temporal bones.
What is the significance of the cervical vertebrae in relation to the skull?
The cervical vertebrae support the cranium and include C1 (atlas) and C2 (axis).
Which cranial nerve mediates facial sensations?
Cranial nerve V, the trigeminal nerve.
What is the importance of the anterior and posterior triangles of the neck?
These triangles help in describing findings in the neck and are defined by the sternomastoid and trapezius muscles.
What are sutures in the context of cranial bones?
Sutures are meshed immovable joints where adjacent cranial bones unite.
What are the developmental changes in the skull during infancy?
The skull bones are separated by sutures and fontanels, which gradually ossify as the child grows.
What is the typical appearance of the face in children with chronic allergies?
Children may develop features like 'allergic shiners' and a tired appearance.
What is the role of the thyroid gland?
The thyroid gland synthesizes and secretes hormones that stimulate cellular metabolism.
What are the signs of hyperthyroidism?
Signs include goiter, eyelid retraction, and exophthalmos, along with symptoms like nervousness and weight loss.
What are the major neck muscles and their innervation?
The sternomastoid and trapezius muscles, innervated by cranial nerve XI.
What is the typical presentation of a tension headache?
A tension headache typically presents as bandlike tightness and mild-to-moderate pain.
What is the role of the lymphatic system in the head and neck?
The lymphatic system helps detect and eliminate foreign substances and has a rich supply of lymph nodes.
Where are the parotid glands located?
In the cheeks over the mandible, anterior to and below the ear.
What are the common types of headaches?
Primary headaches include tension, migraine, and cluster headaches.
What is the significance of fontanels in infants?
Fontanels are membrane-covered 'soft spots' that allow for brain growth during the first year.
What is lymphadenopathy?
Lymphadenopathy refers to the enlargement of lymph nodes due to infection, allergy, or neoplasm.
