When glucоse cоncentrаtiоn becomes very high, _______.
54. [аnswer54] On аn electrоcаrdiоgram, I am the time оf ventricular depolarization. 55. [answer55] On an electrocardiogram, I am the time of ventricular relaxation. 56. [answer56] I am an especially useful method of evaluating the relative size of the heart chambers, thickness of the myocardium, and the functioning of the valves. 57. [answer57] I am the most commonly used site of venipuncture in dogs and cats and run between the elbow and the carpus on the craniomedial aspect of the forearm. 58. [answer58] The two of us lie close together and care must be taken to avoid accidental injection into one of us as we carry blood quickly to the brain—not a good idea when injecting a sedative. 59. [answer59] I can be found on lactating dairy cattle, along the ventral aspect of each side of the abdomen from the udder to the level of the sternum but must never be used for venipuncture. I am small, thin-walled and prone to excess bleeding and hematoma formation, which may lead to the development of an abscess. 60. [answer60] I can be found on a rodent, along the ventral midline of the tail, and can be used for venipuncture.