pulmonary artery the large artery originating from the superior surface of the right ventricle of the heart and carrying deoxygenated blood to the lungs for oxygenation; it starts as the pulmonary trunk, which divides between the fifth and sixth thoracic vertebrae to form the right pulmonary artery that enters the right lung and the left pulmonary ...
Expert witnesses may be subpoenaed (issued with a witness summons), although this is normally a formality to avoid court date clashes. In the United States, under the Federal Rule of Evidence 702 (FRE), an expert witness must be qualified on the topic of testimony.
These include the use of video-recorded interviews as evidence-in-chief (confined to vulnerable witnesses). They are also eligible to use communication aids, such as computer-aided speech programs and symbols on boards or in books, where necessary.n intermediary is likely to improve the quality of the witnessâs evidence, and should be considered if the witness appears unlikely to be able to recognise a problematic question or, even if able to do so, may be reluctant to say so to a questioner in a position of authority.