Sometime in the past few million years, collapse at the top of the cave and surface erosion created the natural entrance of Carlsbad Cavern. This opened previously hidden underground cave passageways to the world above for the first time.
The Society of Diagnostic Medical Sonography (SDMS) defines sonography as diagnostic medical procedure that uses high frequency sound waves (ultrasound) to produce dynamic visual images of organs, tissues, or blood flow inside the body. This type of procedure is often referred to as a sonogram or ultrasound scan.
General Information for Sonography Students. Students applying to the diagnostic medical sonography program are required to take the HESI Admission Assessment Exam including the Critical Thinking exam and the Learning Style Personality Profile. These exams will be available for students in the LCCC testing Center.