Question 20N.3.HL.TZ0.22b
| Date | November 2020 | Marks available | [Maximum mark: 1] | Reference code | 20N.3.HL.TZ0.22b |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | b | Adapted from | N/A |
Blood pressure changes in chimpanzees (Pan troglodytes) fed a salt-supplemented diet during a two-and-a-half-year treatment period were compared to the blood pressure of those fed a normal diet. The graph shows the mean systolic and diastolic blood pressure (± standard deviation) before, during and after the treatment period.
[Source: Republished with permission of American Society for Clinical
Investigation, from The Journal of Clinical Investigation, O’Shaughnessy, K.M. and Karet, F.E., 113, 8, 2004;
permission conveyed through Copyright Clearance Center, Inc.]
State the instrument used by doctors to measure blood pressure.
[1]
sphygmomanometer/blood pressure monitor;
Although strong candidates could state sphygmomanometer or blood pressure monitor, too many irrelevant or blank answers were seen.
