BIOD 151 module 4 exam 2025. | Exam Revision Questions And Correct
Answers | Graded A+ | 2025 Update |
What is the function of the flat bones? - ANSWER- Produce red blood cells; protection of
internal organs (skull protects the brain)
Describe the shape of a long bone and what its design allows. - ANSWER- Long and thin;
designed to support body weight and enable movement
Name the five basic bone shapes. - ANSWER- Long, flat, short, irregular, and sesamoid.
What term best describes a hollow chamber in bone, usually filled with air? - ANSWER- Sinus
True or false: A sulcus is a raised ridge in bone. - ANSWER- False
A sulcus is a depression of a bone
What division of the skeleton lies along the midline? - ANSWER- Axial
true or false: Fontanelles are present in adults. - ANSWER- False
Fontanelles are closed by age 2.
What two bones of the cranium lie primarily within the skull? - ANSWER- The sphenoid and
the ethmoid bones
True or false: The frontal bone is a paired bone of the cranium. - ANSWER- False
parietal & temporal
, Which bone contains the foramen magnum? - ANSWER- The occipital bone
What is the purpose of the foramen magnum? - ANSWER- The spinal cord passes to become
the brain stem
Review bone landmarks on the occipital bone. - ANSWER-
Sinusitis is an infection of the _______________. - ANSWER- Sinuses
Label the landmarks of the skull in the figure below:
1-
4-
10-
11- - ANSWER- 1- Mastoid foramen
4- Carotid canal
10- Carotid canal
11- External acoustic meatus
What is the function of the nasal conchae? - ANSWER- The nasal conchae act to swirl the air
as it is breathed in through the nasal passages, helping to warm and humidify the air before it enters
the lower respiratory system.
What are the only unpaired bones of the facial skeleton? - ANSWER- The mandible and the
vomer
What bone forms the anterior portion of the hard palate? - ANSWER- The maxilla
Label all the bones of the cranium and facial skeleton.
Cranium - 8
Answers | Graded A+ | 2025 Update |
What is the function of the flat bones? - ANSWER- Produce red blood cells; protection of
internal organs (skull protects the brain)
Describe the shape of a long bone and what its design allows. - ANSWER- Long and thin;
designed to support body weight and enable movement
Name the five basic bone shapes. - ANSWER- Long, flat, short, irregular, and sesamoid.
What term best describes a hollow chamber in bone, usually filled with air? - ANSWER- Sinus
True or false: A sulcus is a raised ridge in bone. - ANSWER- False
A sulcus is a depression of a bone
What division of the skeleton lies along the midline? - ANSWER- Axial
true or false: Fontanelles are present in adults. - ANSWER- False
Fontanelles are closed by age 2.
What two bones of the cranium lie primarily within the skull? - ANSWER- The sphenoid and
the ethmoid bones
True or false: The frontal bone is a paired bone of the cranium. - ANSWER- False
parietal & temporal
, Which bone contains the foramen magnum? - ANSWER- The occipital bone
What is the purpose of the foramen magnum? - ANSWER- The spinal cord passes to become
the brain stem
Review bone landmarks on the occipital bone. - ANSWER-
Sinusitis is an infection of the _______________. - ANSWER- Sinuses
Label the landmarks of the skull in the figure below:
1-
4-
10-
11- - ANSWER- 1- Mastoid foramen
4- Carotid canal
10- Carotid canal
11- External acoustic meatus
What is the function of the nasal conchae? - ANSWER- The nasal conchae act to swirl the air
as it is breathed in through the nasal passages, helping to warm and humidify the air before it enters
the lower respiratory system.
What are the only unpaired bones of the facial skeleton? - ANSWER- The mandible and the
vomer
What bone forms the anterior portion of the hard palate? - ANSWER- The maxilla
Label all the bones of the cranium and facial skeleton.
Cranium - 8
