Stool color changes facts. Normal stool color is brown. This is due to the presence of bile in the stool. Normal stool color can range from light yellow to brown to almost black. If stool is red, maroon, black, clay-colored, pale, yellow, or green this may signify a problem.
08 February 2016. The longest continuous vocal note is 1 min 52 sec and was achieved by Alpaslan DurmuÅ (Turkey) at the KipdaÅ MÃ¼hendislik, Istanbul, Turkey, on 8 February 2016. The note was sustained above the required decibel threshold from a measurement distance of 2.5 metres.
MPT as a measure of vocal function. In order to produce a good quality voice, a person must be able to bring their vocal folds (vocal cords) together easily along their entire length. The gap between them (the glottis) needs to be closed with just the right amount of tension. Using a stopwatch, time (in seconds) how long the client can sustain the vowel. 2  Record the time as the duration of 1st âahâ . 3  Repeat Step 1 and record the time as duration of 2nd âahâ . 4  Repeat Step 1 and record the time as duration of 3rd âahâ . 5  The MPT is the longest duration âahâ of the three attempts.