CT Test 2 (Mosby) questions with correct answers

A. diastole Diastole refers to the relaxation of heart muscle. *Diastole is the period of the cardiac cycle that occurs between successive contractions of the heart muscle*, which are known as systole. CORRECT ANSWER As related to the cardiac cycle, the term _______________ refers to the relaxation of heart muscle. a. diastole b. equilibrium c. systole d. a-fib C. 1 and 2 only -- iothalamate meglumine and diatrizoate sodium High osmolar contrast media (HOCM) are ionic agents that dissociate into charged particles (ions) in solution. Ionic contrast media are salts consisting of sodium and/or meglumine. Iothalamate meglumine and diatrizoate sodium are commonly known by the brand names Conray and Hypaque, respectively. Another HOCM, Gastrografin, is a solution of diatrizoate meglumine and diatrizoate sodium. CORRECT ANSWER Which of the following may be considered one of the high-osmolar contrast media (HOCM)? 1. iothalamate meglumine 2. diatrizoate sodium 3. iohexol