Final answer:
The strongest reflected signal during an abdominal ultrasound will be between liver and bowel gas due to the significant difference in acoustic impedance, causing a substantial reflection of ultrasound waves.option c is correct.
Step-by-step explanation:
During an abdominal ultrasound, the strength of the reflected signal depends on the difference in acoustic impedance between two interfaces. The strongest reflected signal will occur when there is the greatest difference in the acoustic impedance of two tissues.
Among the options provided:
- a) spleen/kidney
- b) liver/pancreas
- c) liver/bowel gas
- d) liver/bile duct
- e) renal cortex/renal sinus
The interface between liver and bowel gas (option c) will produce the strongest reflection because gas has a significantly different acoustic impedance compared to solid or liquid organs. The impedance mismatch between the liver and bowel gas is the most significant among the given options, leading to a substantial reflection of ultrasound waves.