Questions and Answers
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| List the three structures that make up the bony thorax? | show 🗑
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| What is the term for the long,middle aspect of the sternum? | show 🗑
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| The most distal aspect of the sternum does not ossify until a person is approximately _______ years of age. | show 🗑
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| show | 6 Inches
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| The xiphoid end of the sternum is at the approximate level of the ________ vertebra. | show 🗑
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| show | T4 and T5
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| What is the name of the joint that connects the upper limb to the bony thorax (the only bony connection between the bony thorax and upper limbs?) | show 🗑
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| show | The Costocartilage.
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| What distinguishes a true rib from a false rib? | show 🗑
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| show | They are connected to the sternum via the costocartilage of the seventh rib.
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| show | True
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| show | False It is called the sternal end.
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| Which aspect of the ribs articulates with the transverse process of the thoracic vertebrae? | show 🗑
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| List the three structures found within the costal groove of each rib. | show 🗑
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| show | The eighth or ninth.
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| How many posterior ribs are shown above the diaphragm? | show 🗑
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| What type of movement does the first sternocostal joint have? | show 🗑
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| show | Movable--diarthrodial
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| show | Immovable--synarthrodial
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| show | Movable--diarthrodial
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| show | Movable--diarthrodial
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| What type of joint movement does the sixth through tenth interchondral joints have?(Between anterior sixth through tenth costal cartilage.) | show 🗑
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| (True/False)It is virtually impossible to visualize the sternum with a direct PA or anteroposterior (AP) projection. | show 🗑
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| show | False (less obliquity)
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| show | Approximately 15 degrees.
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| show | It blurs lung markings and ribs which improves the visibility of the sternum.
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| What is the primary reason that a source image receptor distance(SID) of less than 40 inches should "NOT" be used for sternum radiography. | show 🗑
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| show | CT or Nuclear Medicine.
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| Identify the perfered positioning factors to demonstrate an injury to the ribs found BELOW the diaphragm: | show 🗑
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| show | ABOVE
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| show | Away from
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| show | PA and anterior obliques (Placing the area of interest closest to the I.R. is one recomended routine).
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| show | AP and RPO (To shift spine away from area of interest).
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| show | By taping a small, metallic "BB" over the site of the injury.
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| If the physician suspects a pneumothorax or hemothorax has occured as a result of a rib fracture, which additional radiographic projection(s) should be performed in addition to the routine rib projections? | show 🗑
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| show | Pulmonary injury caused by blunt trauma to two or more ribs.
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| Osteolytic metastases of the ribs produce which of the following radiographic appearances? | show 🗑
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| show | Depressed sternum due to congential defect.
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| show | Osteoblastic
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| (True/False)MRI provides a more diagnostic image of rib metastases as compared with a nuclear scan. | show 🗑
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| show | True
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| show | RAO
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| show | It places the sternum over the heart to provide a uniform background for added visibility of the sternum.
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| Where is the central ray centered for the oblique and lateral projections of the sternum? | show 🗑
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| show | LPO (oblique supine position)
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| show | 60 to 72 Inches.
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| Why is the recommended SID for a lateral projection of the sternum 60 to 72 inches? | show 🗑
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| show | The entire sternum should lie over heart shadow and be adjacent to the spinal column.
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| Where is the Central Ray centered for a PA projection of the sternoclavicular joints? | show 🗑
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| show | Suspend respiration on inspiration.
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| show | 15 Degrees
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| show | LAO Left Anterior Oblique
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| show | A.The nature of the trauma or patient complaintB. The location of the rib pain or injuryC.Wether or not the patient has been coughing up blood.
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| show | 3 to 4 inches below the jugular notch, the level of T7.
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| show | RAO or LPO elongates the left axillary ribs, and shifts the spine away from the injury site.
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| How many degrees of rotation are needed for a routine oblique projection of the ribs. | show 🗑
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| show | The 1 to 5 mrad range.
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| (True/False) The thyroid dose for an anterior oblique rib projection is only about 5 percent of what it would be for a posterior oblique rib projection. | show 🗑
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| show | True
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| show | True
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| show | Underrotation of the patient.
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| show | Lower the kilovoltage to 65 for higher contrast and to prevent overrotation of the sternum.
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Created by:
Jerrie Lee
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