DP Biology (last assessment 2024)
Question 19N.3.HL.TZ0.b
| Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.3.HL.TZ0.b |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
19N.3.HL.TZ0.b
Outline the use of a defibrillator.
[2]
Markscheme
a. used in life-threatening cardiac conditions/arrythmia/ventricular fibrillation ✔
b. delivers therapeutic/small dose/shock of electrical energy ✔
c. depolarizes the heart muscle
OR
allows normal rhythm to be re-established ✔
