【名词&注释】
白蛋白(albumin)、蛋白尿(proteinuria)、糖蛋白(glycoprotein)、重吸收(reabsorption)、右心室肥大(right ventricular hypertrophy)、左心室肥大(left ventricular hypertrophy)、正常青年人(healthy young people)
[单选题]胸骨右缘第2肋间及其附近搏动( )
根据材料回答下面的题目下列情况可出现哪些阳性体征?游离腹水1000mL以上时( )
A. 正常青年人(healthy young people)
B. 右心室肥大
C. 腹主动脉瘤
D. 左心室肥大(left ventricular hypertrophy)
E. 升主动脉瘤
根据以下内容,回答下面的题目。Researchers have found that REM (rapid eye movement) sleep is important to human beings.This type of sleep generally occurs four or five times during one night of sleep lasting five minutes to forty minutes for each occurrence.The deeper a person’s sleep becomes, the longer the periods of rapid eye movement.There are physical charges in the body to show that a person has changed from NREM (non-rapid eye movement) to REM sleep.Breathing becomes faster, the heart rate increases, and, as the name implies, the eyes begin to move quickly.Accompanying these physical changes in the body is a very important characteristic of REM sleep.It is during REM sleep that a person dreams.According to the passage, how often does REM sleep occur in one night?