t occurs when thecirculatory system (which distributes oxygen to the body tissuesand removes waste products) fails and, as a result, vital organssuch as the heart and brain are deprived of oxygen. It requiresimmediate emergency treatment. Shock can be made worseby fear and pain. Minimise the risk of shock developing byreassuring the casualty and making him comfortable

9. All of the following are causes of obstructive shock EXCEPT:A Congenital heart malformatonsB Cardiac tamponadeC Acute blood LossD tension pneumothorax10. Which of the following symptoms demonstrate increased work of breathing?A Use of accessory thoracic musclesB GruntingC Nasal flaringD All of the above

Breathing difficulties are the major cause of morbidity and death in patients with poisoning or drug overdose. Patients may have one or more of the following complications except:Question 15Answera.Pneumonitisb.hypoxiac.bronchospasmd.ventilatory failure

Excessive ventilation or blowing too hard into the casualty may cause:No complications at all.A heart attack or stroke.The lungs to explode.Air to enter the stomach, making the casualty vomit.SUBMIT

Excessive ventilation or blowing too hard into the casualty may cause:No complications at all.A heart attack or stroke.The lungs to explode.Air to enter the stomach, making the casualty vomit.

Each time an unsuccessful shock is delivered through an AED, the support worker should:a. Re-assess the casualty for ‘signs of life’b. Give 2 rescue breathsc. Recommence compressionsd. Deliver a second shock immediately