HEENT (Exam 2) Flashcards
Name the 4 cranial bones
• frontal
• parietal
• occipital
• temporal
Name the 4 major cranial sutures
• coronal
• sagittal
• lamboid
• metopic
Are sutures firmly joined at birth?
No!
How many facial bones do we have?
14
The brain is suspended in the skull by ________
membranous meninges
What are the purpose of meninges?
shock absorbers to prevent trauma
Cranial nerve VII: Name and function
Facial nerve; appearances and expressions
Cranial nerve V: Name and Function
trigeminal nerve; facial sensations
What are the four functions of the salivary glands?
• moisturize mouth
• aid in swallowing
• aid in digestion of food
• protect teeth from bacteria
Internal carotid (neck) supplies blood to…
the brain
External carotid (neck) supplies blood to the…
face and salivary glands
Cranial nerve XI: Name and Function
spinal accessory; innervates neck muscles
Sternomastoid muscles: Function
head rotation and flexion
Trapezius muscle: Function
shoulder movement, extends and turns the head
The thyroid is the _____ endocrine gland in the body and both lobes are joined by the _____ below the cartilage
largest; isthmus
What is the thyroid cartilage commonly referred to as?
adam’s apple
Where are the bodies greatest supply of lymph nodes?
the head and the neck
All head and neck structures eventually drain into the _________
deep cervical chain
What are the 2 major roles of the lymphatic system?
• detects and eliminates foreign substances
• filters lymph and engulfs pathogens
In an infant, cranial bones are separated by _______
sutures
Sutures and fontanelles permit _______
brain growth in an infant
When do sutures ossify?
6-18 months
When do fontanelles close?
2 months-2 years
When does the lymphoid tissue grow to adult size in an infant?
by 6 years old; but well developed at birth