click below
click below
Normal Size Small Size show me how
Positioning
Chapter 1
Question | Answer |
---|---|
What type of tissue binds together and supports the various structures of the body? | Connective |
How many bones are found in the adult human body? | 206 |
Which system of the human body is responsible for elimination of solid waste? | Digestive |
Which one of the following systems of the human body includes all ductless glands of the body? | Endocrine |
Which one of the following bones is part ofthe axial skeleton? | Sternum |
Which one of the following bones is classified as a long bone? | humerus |
What is the name of the dense fibrous tissue that covers bone? | periosteum |
Which one of the following is a secondary growth center for endochondral ossification? | Epiphyses |
Which one of the following is NOT a functional classification of joints? | Cartliginous |
Which one of the following joints displays a "hinge" type of movement? | Ginglymus |
Which one of the following joints is NOT a synovial joint? | A. Skull suture B. elbow joint C. hip joint D. Proximal radioulnar joint |
What is another term for the sellar joint? | saddle |
An upright position with the arms abducted, palms forward, and head forward describes the: | Anatomical position |
The vertical plane that divides the body into right and left halves describes the: | median or mid-sagittal plane |
Which one of the following terms describes the sole of the foot? | Plantar |
A position where the head is lower than the feet is: | Trendelenberg |
Which term describes lying down in any postion? | Recumbent |
Which term describes lying down in any position? | Recumbent |
A patient is lying on her back facing the x-ray tube. the right side of her body is turned 20 degrees toward the film. What is the radiographic position? | RPO (right posterior oblique) |
A patient is erect with the left side directly against the film. The CR enters the right side of the body. What is the radiographic position? | Left lateral |
A patient is lying on her back. The x-ray tube is horizontally directed with the central ray entering the right side of the body. The film is adjacent to the left side of the body. What is the radiographic position? | Dorsal decubitus |
What type of projection is created with the CR directed along the long axis of the body? | Axial |
True or False. Radiographic view is directly opposite of radiographic projection. | True |
True or False. Tangential and axial projections are the same type of projection. | False |
True or False. It is legally acceptable to write "right or left" on a radiograph if the anatomical side marker is not visible? | False |
Which of the following factos primarily controls radiographic density? | mAs |
A lifting or raising of a body part is called? | elevation |
Movement of an extremity toward the midline is called? | adduction |
An inward stress movement of the foot is called? | inversion |
Near the source or beginning is called? | proximal |
Away from the head end is called? | Caudad |
Increasing the angle of a joint is called? | Extension |
Movement of extremity away from the midline is called? | abduction |
Decrease angle between foot and lower leg is called? | Dorsiflexion |
Decrease angle between hand and radial side of distal forearm is called? | radial flexion of the wrist |
Rotation of hand with palm down is called? | pronation |
According to the Inverse Square Law, how much will the density of the film be reduced if the SID is increased from 40 to 80 inches? | 1/4 of its original value |
What is the primary controlling factor for radiographic contrast? | kVp |
What type of contrast is produced with a 120 kVp technique? | Low contrast, long scale |
Which one of the following factors will influence radiographic detail? | Focal spot size |
A radiograph of the abdomen demonstrates involuntary motion due to bowel peristalsis (contractions). What will best eliminate this problem during the repeat exposure? | Decrease exposure time |
What changes will improve recorded detail? | Decrease OID |
True or False. Increasing the SID will increase distortion of the anatomy | False |
True or False. a 40 inch SID is the minimal distance used for most radiographic projections. | True |
True or False. According to the anode heel effect, the most intense aspect of the x-ray beam is at the cathode end of the x-ray tube. | True |
Which unit of radiation measurement describes patient dose? | Rad |
What is the annual whole body effective dose (ED) for a radiographer? | 5 rem |
Convert 612 mrads into an equivalent amount stated in the appropriate SI unit. | 6.12 mGy |
Where should a film badge or TLD be worn during fluoroscopy? | On the collar outside the lead apron. |
What radiographic projections will provide the greatest amount of effective dose to a female patient (without shielding)? | Lateral upper GI |
What type of collimation will restrict the x-ray beam to the size of the film cassette? | Positive beam limitation |
What is the minimum thickness of a gonadal shield for primary beam shielding? | 1.0 mm lead equivalent |
According to the "10 day rule", the safest time for a female to have a radiographic exam of the lower abdomen is? | 10 day period following the onset of menses. |
True or False. The technologist should NOT use gonadal shielding on a pregnant female if it will obscure essential diagnostic information. | True |
True or False. Skin dose is always lower than gonadal dose for most radiographic procedures. | False |
True or False. Measuring the part thickness is NOT required if Automatic Exposure Conrol (ABC) is used. | True |
Which one of the following bony landmarks corresponds with the spinous process of the 7th cervical vertebrae (C7)? | Vertebra prominens |
The average size body habitus is termed? | Sthenic |
The very slender body habitus is termed? | Asthenic |