What is the primary purpose of chest compressions in CPR, and what is the recommended position for performing the Heimlich maneuver?

8. D. Tiada denyutan nadi Cardiopulmonary Resuscitation (CPR) is required when an individual is unresponsive and has no pulse, indicating that their heart has stopped pumping blood effectively. 9. D. Berdiri tegak The Heimlich Manoeuvre is typically performed on a conscious choking victim who is standing upright, with the rescuer standing behind them. 10. D. Bagi memulihkan sistem peredaran darah mangsa secara manual The primary purpose of chest compressions in CPR is to manually pump blood throughout the body, ensuring that vital organs like the brain receive oxygen until professional medical help arrives or the heart resumes beating. 11. B. Mengukur suhu badan bayi yang berumur kurang 3 bulan Rectal thermometers are primarily used for infants and young children, especially those under 3 months old, because they provide the most accurate core body temperature reading. 12. C. Buat beberapa perubahan dalam cara pemakanan As a nutritionist, the most sustainable and healthy advice for someone with excess body mass is to make gradual, comprehensive changes to their eating habits, rather than resorting to extreme or potentially unhealthy measures. 13. A. Denyutan jantung meningkat kerana jantung mengepam lebih banyak darah ke seluruh badan. During strenuous work, the body's muscles require more oxygen and nutrients. The heart responds by increasing its pumping rate (heart rate) to deliver more oxygenated blood to the working muscles and remove waste products more efficiently. That's 2 down. 3 left today — send the next one.