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7. The Skeletal System

The Skull

7. The Skeletal System

The Skull

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Introduction to the Skull

Introduction to the Skull

Overview of Cranial Bones

Overview of Cranial Bones

The Skull Example 1

The Skull Example 1

Overview of Facial Bones

Overview of Facial Bones

The Skull Example 2

The Skull Example 2

Cavities of the Face

Cavities of the Face

The Skull Example 3

The Skull Example 3

Overview of Sinuses

Overview of Sinuses

The Skull Example 4

The Skull Example 4

Showing 9 of 9 videos

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Bones of the Skull

Bones of the Skull

Skull Bones Memory Tricks

Skull Bones Memory Tricks

RegisteredNurseRN

Practice this topic

Multiple Choice

True or False; if false, select the answer that best corrects the statement.

Associated bones provide a house for the brain.

Multiple Choice

If a patient has a tumor on the pituitary gland, a surgeon will often make an incision in the nose before cutting into which bone to reach the pituitary?

Multiple Choice

Damage to which bone is most likely to cause problems with hearing?

Multiple Choice

During a baseball game, the batter hit's a line drive that strikes the pitcher directly in the face breaking a bone. Among the four bones listed, which bone would you expect to be the least likely to be the bone that is broken in this situation?

Multiple Choice

If you are moving the only freely moving bone in the skull, what activity are you doing and what bone are you moving?

Multiple Choice

One of the occupational hazards of boxing is a deviated septum, where the cartilage of the septum is damaged shifted to one side. What two bones may also be involved in a deviated septum?

Multiple Choice

Which bone creates the lateral wall of the orbital cavity?

Multiple Choice

Which of the following bones is both classified as a facial bone and also contains a sinus?

Inferior aspect of the skull, mandible removed

Multiple Choice

The calvaria of the skull is another name for the __________.

Multiple Choice

The role of the cranium is to __________.

Multiple Choice

Which of the following cranial bones receives the condyle of the mandible?

Multiple Choice

The foramen magnum would be found in the __________ bone.

Multiple Choice

What is the deepest bone in the skull?

Multiple Choice

The frontal sinuses are located __________.

Multiple Choice

Which of the following sinuses are at high risk of infection spreading from the middle ear?

Multiple Choice

Sutures connect all the bones of the skull EXCEPT the __________.

Multiple Choice

Which of the following is the most deeply situated bone in the skull?

Anterior and posterior views of the skull

Multiple Choice

Which of the following bones does NOT form a part of the orbits of the eyes?

Multiple Choice

A joint between skull bones is called a __________.

Multiple Choice

The crista galli is a projection from which bone?

Multiple Choice

The only bone of the facial skeleton that does NOT articulate with the maxillae is the __________.

Multiple Choice

Which of the following is a facial bone?

Multiple Choice

Where would a dentist inject lidocaine to prevent pain in the lower teeth?

Multiple Choice

What would you find located in the lacrimal fossa?

Multiple Choice

Which of the following bones would most likely be involved in surgery to remove a tumor on the pituitary gland?

Textbook Question

Fill in the blanks: The two parietal bones are united at the_______suture; they meet the frontal bone at the_____ suture, the temporal bones at the______ sutures, and the occipital bone at the_____suture.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. The four paranasal sinuses are the frontal, parietal, sphenoidal, and mandibular sinuses.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. The cribriform plate is a component of the ethmoid bone.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

" The sella turcica of the sphenoid bone houses the pituitary gland."

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The styloid process of the temporal bone is a thick, posterior projection.

Textbook Question

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

The most conspicuous feature of the temporal bone is the foramen magnum.

Textbook Question

The only moveable bone in the adult skull is the:

a. maxilla

b. lacrimal bone

c. mandible

d.frontal bone

Textbook Question

The structure(s) that divide the nasal cavity into right and left sides is/are the:

a. nasal bones.

b. perpendicular plate of the ethmoid bone

c.vomer.

d.Both a and b are correct.

e.Both b and c are correct.

Textbook Question

The 'soft spots' in an infant's skull are known as:

a. fontanels.

b. sutures.

c. metopic joints

d.hyaline cartilage.

Textbook Question

Match the bones in column B with their description in column A. (Note that some descriptions require more than a single choice.) Column A _____ (1) connected by the coronal suture _____ (2) keystone bone of cranium _____ (3) keystone bone of the face _____ (4) form the hard palate _____ (5) allows the spinal cord to pass _____ (6) forms the chin _____ (7) contain paranasal sinuses _____ (8) contains mastoid sinuses Column B a. ethmoid b. frontal c. mandible d. maxillary e. occipital f. palatine g. parietal h. sphenoid i. temporal

Textbook Question

How do the relative proportions of the cranium and face of a fetus compare with those of an adult skull?

Textbook Question

Name the cranial and facial bones and compare and contrast the functions of the cranial and facial skeletons.

Textbook Question

Examine the structure of the skull, and predict its likely functions based on its form.

Textbook Question

A deviated septum results when the nasal septum is shifted to one side or the other. What bones might be involved in this condition? Why might this make breathing difficult?

Textbook Question

Some health practitioners claim that the cranial bones are moveable and that they are able to move these bones to treat a variety of conditions. Is this likely to be true in an adult? Why or why not?

Textbook Question

Multiple Choice More than one choice may apply. Bones that articulate with the sphenoid include which of the following? a. Parietal b. Frontal c. Occipital d. Zygomatic e. Ethmoid

Textbook Question

Name two ways in which the fetal skull differs from the adult skull.A certain short-day plant flowers only when days are less than 12 hours long. Which of the following would cause it to flower? a. a 9-hour night and 15-hour day with 1 minute of darkness after 7 hours b. an 8-hour day and 16-hour night with a flash of white light after 8 hours c. a 13-hour night and 11-hour day with 1 minute of darkness after 6 hours d. a 12-hour day and 12-hour night with a flash of red light after 6 hours

Textbook Question

Name the eight bones of the cranium.

Textbook Question

What facial bone forms the chin? The cheekbone? The upper jaw? The bony eyebrow ridges?

Textbook Question

Identify the cranial and facial bones in the diagram below. a. ___ b. ___ c. ___ d. ___ e. ___ f. ___ g. ___ h. ___ i. ___ j. ___ k. ___ l. ___

Textbook Question

Which of the following lists contains only facial bones? (a) mandible, maxilla, nasal, zygomatic, (b) frontal, occipital, zygomatic, parietal, (c) occipital, sphenoid, temporal, lacrimal, (d) frontal, parietal, occipital, sphenoid.

Textbook Question

The unpaired facial bones include the (a) lacrimal and nasal, (b) vomer and mandible, (c) maxilla and mandible, (d) zygomatic and palatine.

Textbook Question

The boundaries between skull bones are immovable joints called (a) foramina, (b) fontanelles, (c) lacunae, (d) sutures.

Textbook Question

The joint between the frontal and parietal bones is correctly called the____ suture. (a) parietal, (b) lambdoid, (c) squamous, (d) coronal.

Textbook Question

Blood vessels that drain blood from the head pass through the (a) jugular foramina, (b) hypoglossal canals, (c) stylomastoid foramina, (d) mental foramina, (e) lateral canals.

Textbook Question

Which eight bones make up the cranium?

Textbook Question

What seven bones constitute the orbital complex?

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