Sonographic appearance - Study guides, Class notes & Summaries

Artifact -Answer An echo feature present or absent in a sonographic image that does not correspond to the presence or absence of a real structure. Eg. enhancement or shadowing. Attenuation -Answer The reduction of intensity (and amplitude) of a sound wave as it travels through a material. Attenuation is due to absorption, reflection, and scattering. Complex -Answer A structure in the body that contains both cystic and solid components. Echogenic -Answer A structure or medium that p...

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

Left lobe of the liver is divided into medial and lateral segments by what? - Left hepatic vein Left lobe of the liver is separated from the caudate lobe by what? - ligamentum venosum Right lobe of the liver is divided into anterior and posterior segments by what? - Right hepatic vein Main lobar fissure - The main lobar fissure separates the right and left lobes of the liver. It is visualized sonographically as an echogenic linear structure extending from the portal vein to the neck of...

OB/GYN Final Exam Review Questions with 100% Correct Answers The absence of menstruation is called a. Menarche b. Amenorrhea c. Dysmenorrhea d. Menorrhagia - Answer- amenorrhea Which hormone is secreted by the anterior pituitary gland and stimulates ovulation? a. Follicle-stimulating hormone b. Estrogen c. Luteinizing hormone d. Testosterone - Answer- luteinizing hormone Day 5-14 of the menstrual cycle is referred to as the a. Secretory phase b. Menopause c. Menorrhagia d. Prolif...

ARDMS Breast Registry Review Ch. 1 Exam Questions With Verified Answers Acoustic Impedance The resistance that a material offers to sound wave travel. Amplitude The strength or height of a sound wave measured in decibels. Anechoic The appearance of having no internal echoes (echo free) on a sonographic image. Artifact An echo feature present or absent in a sonographic image that does not correspond to the presence or absence of a real structure. Eg. enhancement or shadowing. ...

Which of the following conditions requires immediate communication of the results to the radiologist? A. placental abruption and gastroschisis B. renal agenesis and ompahlocele C. premature rupture of membranes and placental abruption D. renal agenesis, premature rupture of membranes, and placental abruption - C Fetal lung volumetry performed with 3D sonography should be used to help diagnose: A. skeletal dysplasia B. fetal asphyxia C. fetal respiratory failure D. diaphragmatic hernia -...

Artifact - An echo feature present or absent in a sonographic image that does not correspond to the presence or absence of a real structure. Eg. enhancement or shadowing. Attenuation - The reduction of intensity (and amplitude) of a sound wave as it travels through a material. Attenuation is due to absorption, reflection, and scattering. Complex - A structure in the body that contains both cystic and solid components. Echogenic - A structure or medium...

Structures are accurately identified on ultrasound images by A. scanning plane interpretation B. their sonographic appearance C. two dimensional cross-sections D. their location D. their location Organ parenchyma is described as A. echo texture B. sonographic characteristics C. reflections D. locations A. echo texture When an organ is described as hypoechoic to another organ it means the hypoechoic organ appears A. brighter relative to the other B. less echogenic relati...

NORMAL SONOGRAPHIC FINDINGS OF FIRST TRIMESTER/ EXAM REVIEW QUESTIONS AND ANSWERS, RATED A+. What is the first sonographic sign or a pregnancy? - -Decidual reaction of endometrium What does a decidualized endometrium appear as? - -Thick and echogenic What phase of the endometrial cycle can also appear as a decidual reaction but is NOT one? - - Secretory phase What's the first definitive sonographic sign of an IUP? - -Gestational sac within the decidualized endometrium When can the earl...

ARDMS Abdomen Ultrasound Registry Review Exam Questions And Answers (Verified And Updated) How many segments does the Couinaud system divide the liver into? - answerEight surgical segments What divides the right lobe of the liver into an anterior and posterior segment? - answerRight hepatic vein What vessel separates the right and left lobe? Where does it lie (fissure)? - answerMiddle hepatic vein, which lies in the main lobar fissure LLL is divided into medial and lateral segments by: ...