Welcome to your OCR AS Biology 4Treatment options for lung cancer is dependant on the following factors. a. Type of lung cancer. b. Occurance of metastasis. c. History of genetic diseases. d. Severity of the disease. a & d only a & c only b, c & d a, b & dWhich of the following is a treatment option for lung cancer? a. Radiotherapy b. Surgery c. Organ transplant d. Chemotherapy e. Cryotherapy b, a & d b, d & c a, d & e a & d onlyWhich of the following is a bile salt? Na/K torocolate Potassium ions Biliverdin HClA distinct feature of a closed circulatory system. The blood flows through veins. Exchange of materials take place through capillary walls. The blood flows away from the heart. The blood is pumped by the heart.Number of openings in the right auricle. 3 2 1 5Which artery arises from the right ventricle? Subclavian artery Aorta Pulmonary artery Carotid arteryWhich of the following digests DNA? Bile salts Amylase Ribonucleases DeoxyribonucleasesWhat is the unit of blood pressure? mmHg cu ft/hr L/min ppmWhich of the following methods are used to locate tumours in the lungs? Angiography Blood test CT scan UltrasonographyThe closest membrane to the heart muscle. Pericardial sac Parietal pericardium Visceral pericardium Fibrous pericardiumWhich of the following is not a characteristic of a double circulation? Right side handles deoxygenated blood. Left side handles oxygenated blood. Mixing of oxygenated and deoxygenated blood. Presence of 2 atria and 2 completely seperated ventricles.The 2 components of tobacco smoke that cause short term effects on the cardiovascular system. Nicotine and ammonia Nicotine and carbon monoxide Carbon monoxide and ammonia Carbon monoxide and hydrogen cyanideAn animal phylum which possesses an open circulatory system. Echinodermata Chordata Arthropoda AnnelidaWhat is the function of renin? Synthesis of bile. Absorption of alcohol and medicines. Digestion of iron compounds. Coagulation of proteins.Which compound is formed when carbon monoxide combines with haemoglobin? Carboxyhaemoglobin Oxyhaemoglobin Carbohaemoglobin OxycarbohaemoglobinSelect the correct statement regarding lung cancer. The most common symptom of lung cancer is coughing up blood. Lung cancer takes 5-10 years to develop. People with lung cancer do not get chest pain. People with lung cancer breathe with ease.Which of the following is incorrect regarding a mammalian heart? Displays a complete double circulation. The heart could be divided into 2 equal halves. The heart consists of 4 chambers. Mammals have got right half of the systemic arch.Which is not an effect of nicotine? It dicreases the risk of blood clotting. It helps in releasing the hormone adrenaline. It helps in reducing the diameter of arterioles. It stimulates the nervous system.Tiny vessels that link arteries and veins. Capillaries Veins Arterioles ArteriesThe hormone which facilitates the release of bile. Pancryocine Cholecystokynine Secretine EnterogasteroneTime is Up!