MRO Final Exam 47/50 Questions with
100% Correct Answers
Frontal and parietal Correct Answer: What cranial bones are joined at the
cranial suture?
Temporal bone Correct Answer: The petrous portion is part of the:
Osteoporosis Correct Answer: Which pathologic condition of the skull is defined
as a loss of bone density?
Tympanic membrane Correct Answer: Which of the following sutures is located
in the middle ear?
Maxillary bones Correct Answer: The infraorbital foramen is located in the:
Sphenoid bone Correct Answer: Which cranial bone contains the sella turcica?
Lacrimal Correct Answer: Which facial bone is located on the anterior and
medial wall of the orbit?
Sphenoid sinuses Correct Answer: Refer to the diagram below. Which paranasal
sinuses are labeled with the number 1?
Lamboidal and squamosal sutures Correct Answer: The asterion is located at the
junction of the:
Watch Correct Answer: All of the following items must be removed before a
radiographic examination of the skull except:
Nasion Correct Answer: Which radiographic landmark is located in MSP at the
junction of the nasal bones and the frontal bone?
, Brachycephalic Correct Answer: Which category of skull morphology features
the petrous ridges at an angle of 54 degrees to MSP?
OML; perpendicular Correct Answer: Which baseline is used to position the PA
axial projection (Caldwell method) of the cranium, and what is its proper
position in relation to the image receptor?
SMV (Schuller method) Correct Answer: Which projection of the cranium
demonstrates the cranial base the cranial base, occipital bone, and ethmoid
and sphenoid sinuses?
2 inches (5 cm) superior to EAM Correct Answer: Where does the central ray
enter the patient's skull for the lateral projection?
Axiolateral projection of the mandibular ramus Correct Answer: The patient is
positioned upright, with the MSP of the head parallel and the interpupillary line
perpendicular to the image receptor. The central is angles 25 degrees
cephalad. What projection and anatomy is best demonstrated?
Three Correct Answer: How many groups of air cells form the ethmoid sinuses?
37 degrees caudad Correct Answer: How is the central directed for the AP axial
projection (Towne method) of the skull when the IOML is used to obtain the
correct position of the patient's head?
Mental point Correct Answer: The topographic landmark located at the midline
of the mandible is the:
MSP Correct Answer: Which baseline is positioned parallel to the plane of the
image receptor for the lateral projection of the cranium?
Orbitomeatal line Correct Answer: The line that passes from the junction of the
eyelids at their lateral margin to the to the EAM is the:
100% Correct Answers
Frontal and parietal Correct Answer: What cranial bones are joined at the
cranial suture?
Temporal bone Correct Answer: The petrous portion is part of the:
Osteoporosis Correct Answer: Which pathologic condition of the skull is defined
as a loss of bone density?
Tympanic membrane Correct Answer: Which of the following sutures is located
in the middle ear?
Maxillary bones Correct Answer: The infraorbital foramen is located in the:
Sphenoid bone Correct Answer: Which cranial bone contains the sella turcica?
Lacrimal Correct Answer: Which facial bone is located on the anterior and
medial wall of the orbit?
Sphenoid sinuses Correct Answer: Refer to the diagram below. Which paranasal
sinuses are labeled with the number 1?
Lamboidal and squamosal sutures Correct Answer: The asterion is located at the
junction of the:
Watch Correct Answer: All of the following items must be removed before a
radiographic examination of the skull except:
Nasion Correct Answer: Which radiographic landmark is located in MSP at the
junction of the nasal bones and the frontal bone?
, Brachycephalic Correct Answer: Which category of skull morphology features
the petrous ridges at an angle of 54 degrees to MSP?
OML; perpendicular Correct Answer: Which baseline is used to position the PA
axial projection (Caldwell method) of the cranium, and what is its proper
position in relation to the image receptor?
SMV (Schuller method) Correct Answer: Which projection of the cranium
demonstrates the cranial base the cranial base, occipital bone, and ethmoid
and sphenoid sinuses?
2 inches (5 cm) superior to EAM Correct Answer: Where does the central ray
enter the patient's skull for the lateral projection?
Axiolateral projection of the mandibular ramus Correct Answer: The patient is
positioned upright, with the MSP of the head parallel and the interpupillary line
perpendicular to the image receptor. The central is angles 25 degrees
cephalad. What projection and anatomy is best demonstrated?
Three Correct Answer: How many groups of air cells form the ethmoid sinuses?
37 degrees caudad Correct Answer: How is the central directed for the AP axial
projection (Towne method) of the skull when the IOML is used to obtain the
correct position of the patient's head?
Mental point Correct Answer: The topographic landmark located at the midline
of the mandible is the:
MSP Correct Answer: Which baseline is positioned parallel to the plane of the
image receptor for the lateral projection of the cranium?
Orbitomeatal line Correct Answer: The line that passes from the junction of the
eyelids at their lateral margin to the to the EAM is the:
