XR 120 Radiographic Procedures and Patient Care I (3)
Focuses on the principles of producing and evaluating radiographs of the skeletal, digestive, and urinary systems. Discusses patient care procedures such as vital signs, infection control, medical emergen- cies and aseptic techniques. Prerequisite: Consent, BI 250, and
concurrent with XR 120A.

XR 120A Procedures Lab I (0)
Required laboratory demonstrations will include chest, KUB, upper extremity, lower extremity, spine, and contrast studies. A one hour weekly session is held on campus. Concurrent with XR 120.

XR 121 Radiographic Procedures and Patient Care II (3)
Explores those procedures employed in the more complicated investigation of the human body. Continues to examine present techniques necessary for the assessment and care of the sick and injured patient.
Prerequisite: AL 100, XR 120, XR 130, and XR 140 and concurrent with XR 121A.

XR 121A Procedures Lab II (0)
Required laboratory demonstrations include spine, contrast studies, cranium, bony thorax, and miscell- aneous positions. A one hour session is held each week. Concurrent with XR 121.

XR 130 Principles of Radiographic Exposure I (3)
Principles of radiographic image formation, as relating to primary factors. Physics of x-ray production and influences on image creation. The course provides an understand- ing and analysis of the radiographic image. Prerequisite: Consent and concurrent with XR 130A.

XR 130A Exposure Lab 1 (0)
Demonstrations will be directed towards the primary factors of radiograph (film) production. An energized
x-ray unit will be available for the one hour weekly session. Concurrent with XR 130.

XR 131 Principles of Radiographic Exposure II (3)
A continuation of XR 130 emphasiz- ing imaging principles. Problem solving through mathematical appli- cation. Techniques of quality control. Prerequisite: AL 100, XR 120, XR 130, XR 140 and concurr- ent with XR 131A.

XR 131A Exposure Lab II (0)
Demonstrations will involve the film system, computation of radiation dosages, film processing, and quality control techniques. The one hour weekly session will utilize an energized x-ray unit. Concurrent with XR 131.

XR 132 Radiologic Equipment Operation (2)
Focuses on radiography physics, electromagnetic radiation, and x-ray production. Emphasizes electrical concepts including electrodynamics, circuitry, electromagnetism, rectification and the application of these principles to radiography. A working knowledge of basic algebraic equations is required. Prerequisite: Consent or XR 121, XR 131, and XR 141.

XR 140 Clinical Education I (3)
This course requires a specific number of hours of limited radiographic assistance in a hospital setting. Students will achieve compe- tency in simple procedures under direct supervision. Prerequisite: AL 100, XR 120 and XR 130 concurrently.

XR 141 Clinical Education II (3)
This course requires a specific number of hours of limited radiographic assistance in a hospital setting. This course builds on competencies achieved in XR 140. Students will achieve competency in more complex procedures with direct supervision. Prerequisite: AL 100, XR 120, XR 130, XR 140.

XR 142 Clinical Education III (3)
This course requires a specific number of hours of direct radiographic assistance in a hospital setting. Students will demonstrate competence in a variety of proce- dures with indirect supervision. Prerequisite: XR 121, XR 131,
XR 141.

XR 222 Advanced Radiographic Procedures & Imaging Techniques (2)
Presents cross-sectional anatomy as a background for radiographic related imaging modalities. Develops an awareness of related areas including computed tomogra- phy, sonography, nuclear medicine, radiation therapy, magnetic reso- nance, mammography, and special procedures. The investigation of alternate methods of radiography of the atypical patient is included. Prerequisite: XR 121 and BI 250.

XR 225 Radiation Protection and Biological Effects (2)
Provides the knowledge and serves to develop the attitude necessary to intelligently protect the patient, themselves, and others from the potentially harmful effects of radiation. Includes an in-depth discussion of biological effects, cell and organism sensitivity, and somatic and genetic effects of ionizing radiation.
Prerequisite: Consent or XR 131.

XR 243 Clinical Education IV (4)
This course requires a specific number of hours of direct radio- graphic assistance in a hospital setting. Students demonstrate competence in special procedures utilizing positioning techniques covered in XR 222 with direct supervision. Prerequisite: XR 132 and XR 142 with XR 222 concurrently or consent.

XR 244 Clinical Education V (4)
Additional experience and expertise in routine and non-routine examinations is gained. Rotations through the specialized areas of radiology will be completed. Students are under indirect supervision. Prerequisite: XR 243 and XR 222, XR 225 or consent.

XR 245 Clinical Education VI (2)
A five week course which requires a specific number of hours of direct radiographic performance in a hospital setting. Students will demonstrate final competency performance. Prerequisite: Successful completion of all previous XR courses or consent.

XR 250 Radiology Topics (1)
Features lecture and laboratory topics such as trauma radiology, veni-puncture, fluoroscopy, image critique and problem-solving exercises.

XR 260 Independent Study in Radiologic Technology (1-3)
In consultation with a selected faculty member, the student selects for intensive study a current issue of radiology technology. Prerequisite: Consent.

XR 290 Special Topics in Radiologic Technology (1-3)
Selected topics related to Radiologic Technology which vary from semester to semester. Announced in advance. Prerequisite: Specified on each topic.