Republic of the PhilippinesDepartment of EducationRegion IV-A CALABARZONDIVISION OF BATANGAS

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FIRST PERIODICAL TEST SCIENCE & HEALTH VIDirections: Read each item carefully. Encircle the letter of the correct answer.1. Which of the following organs make up the circulatory system?A. Heart , blood , blood vesselsC. Heart, blood vessels, stomachB. Heart , blood , stomachD. Heart, blood vessels, brain2. Which part of the circulatory system serves as a pathway through which blood flows and transports food nutrients to all parts of the body ?A. Heart C. BloodB. Blood vessel D. Plasma3. Which part of the circulatory system carries nutrients and removes wastes from the body cells ?A. ArteryC. HeartB. Blood D. Blood Vessels4. Which statement correctly describes the function of the circulatory system?A. It is responsible for the distribution of food nutrients and oxygen and the elimination of carbon dioxide and wastes from the different parts of the body.B. It is the bodys communication network.C. It coordinates and controls the different activities of the body.D. It speeds up the heartbeat when the body is active or under emotional stress.5. Which of the following parts of the body correctly matched with its function?A. Blood carries nutrients and CO2 to all parts of the body.B. Blood vessels are the passage ways of the blood found all over the body.C. Heart is a muscular organ that pumps blood going to the lungs only.D. All of the above.6. Why is blood important to our body?A. It gives color to our skin.B. It carries away CO2 and other wastes.C. It carries oxygen and nutrients to the different parts of the body.D. Both A and C7. Why do arteries have tough layers?A. To withstand the pressure of the blood due to the pumping to the heart.B. To carry fresh blood to all body parts.C. To enable blood to exchange nutrients.D. To carry waste to the lungs.8. Which part of the circulatory system can be found throughout the body ? A. BloodC. HeartB. Blood VesselsD. Both A and B

9. How does the heart act as an organ of the circulatory system ?A. It pumps blood continuously throughout the body.B. It serves as a passage way of the blood.C. It carries CO2 o the different parts of the body.D. It makes the blood clot to stop continuous bleeding.10. Which arrow diagram shows the correct path of the flow of blood around the body?A. veins lungsheartarteriescapillariesB. veins heart capillaries lungs arteries heart arteryC. veins arteries heart capillaries heart lungs arteryD. veins heart pulmonary artery lungs heart artery capillaries11. Arrange the statements below to explain the correct sequence or path of blood as it flows from the heart to the different parts of the body. Which is the correct order?1) From the right ventricle, blood is pumped into the lungs through the pulmonary veins. In the lungs, gaseous exchange takes place and blood gets oxygenated. 2) Blood carrying metabolic wastes from the tissues/cells enters the right atrium through the vena cava and is poured to the right ventricle.3) The oxygenated blood is pumped to the different parts of the body through the aorta that bifurcates into anterior and descending branches.4) Through the pulmonary veins, blood is then transported from the lungs to the left atrium and poured to the left ventricle.A. 1,2,3,4B. 4,1,3,2C. 2,1,4,3D. 3,4,2,112. What do you call the flow of blood from the heart to the lungs and back to the heart?A. Pulmonary circulationC. Systemic cardiovascularB. Coronary circulationD. Cardiovascular13. Which of the following statements is CORRECT? A. Deoxygenated blood from the heart is distributed to the parts of the body. B. Oxygenated blood from the heart is distributed to the parts of the body. C. Deoxygenated blood is pumped from the right ventricle to the lungs. D. None of the above14. Aorta is the main artery in the heart. What is the function of aorta in blood circulation?A. Carrying oxygenated blood from the left ventricle to the different parts of the body.B. Carrying deoxygenated blood from the right ventricle to the lungs.C. Carrying blood toward the heart.D. All of the above15. Why does oxygenated and deoxygenated blood not mixed up inside the heart?A. There are blood vessels in the heart.B. There are valves in the heart.C. There are separate chambers in the heart.D. Deoxygenated blood is left in the lungs.16. The heart pumps blood from the lungs to all parts of the body. Through which tube does blood pass as it goes out of the lungs to the different parts of the body? A. ValvesB. VeinsC. VenulesD. Arteries17. When the right atrium contracts, the valve that separates the right atrium from the right ventricle opens. The blood flows into the right ventricle. The right ventricle contracts, closing the valve that separates it from the right atrium. The blood then flows to the lungs through the __________________________.A. Pulmonary arteryC. Left ventricleB. Right atriumD. Right ventricle18. Which of the following is a reflex action?A. Blinking of the eyelids. B. Beating of the heart.B. Inhaling and exhaling D. Circulation of the blood.19. What is the usual path of the messages received by the body from the environment?A. Brain >> nerves>> spinal cord >> sense organB. Nerves >> sense organ >> brain >> spinal cordC. Spinal cord >> sense organ >> brain >> nervesD. Sense organ >> nerves >> spinal cord >> brain20. Why are some parts of the body more sensitive than the others?A. They have large nerves endings.B. They have more nerve endings.C. They have tougher nerve endings.D. They have smaller nerve endings.21. Which of the following can cause a serious injury to the nervous system?A. Bad fall B. Drinking coffee C. Studying hard D. Too much exercise22. Youve seen a person who is suffering from an epilepsy. How can you help him?A. Bring him to the nearest clinicB. Leave him anywhere.C. Let him drink alcohol.D. Call a policeman for immediate medication.23. A person who lost the ability to move a part of the body due to nerve muscle damage is suffering from what ailment?A. Brain Tumor B. Polio C. Paralysis D. Encephalitis 24. The following are ways of keeping our circulatory system healthy EXCEPTA. Drink plenty of water.B. Have enough sleep.C. Eat foods rich in iron.D. Take plenty of foods rich in Vitamin C.25. Exercise makes the circulatory system healthy. What can exercise do to our body?A. It makes you weak and pale.B. It helps us regulate the flow of blood in our body.C. It makes us strong and energetic.D. It constructs the broken bones. 27. Green, yellow, red and orange vegetables contain carotene which prevents heart disease and cancer. Which of the following vegetables have carotene?A. CarrotC. TomatoB. CucumberD. Eggplant 28. Mr. Mendoza is an anemic person. What should he eat to prevent this kind of ailment?A. Lots of fruitsC. Calcium-rich foodsB. Iron-rich foodsD. Carbohydrate-rich foods 29. Mr. Cruz is suffering from heart disease. What is the best way to prevent this disease?A. Take VitaminsB. Eat a balance diet once a week.C. Have a yearly medical check-up.D. Regular routines of rest, food diet, exercise and sleep

30. How does cigarette smoking affect the cardiovascular system?A. Smoking increased the risk of developing blood clots.B. Smoking puts additional stress on the system that regulates the heart and blood vessels.C. Smoking lowers good cholesterol.D. All of the above

31. In the diagram of the two neurons shown below, at which point would a substance that interferes with the action of a neurotransmitter be most effective?

A. 1B. 2C. 3 D. 4

33. This illustration shows the human brain. What part of the brain is this? A. the ponsB. the cerebrumC. the cerebellumD. the skull

34. The cerebrum, cerebellum and medulla are parts of the brain, how about the parts of the neuron? A. brain, spinal cord, and vertebral column B. dendrite, axon, and cell body C. sensory and motor D. cortex, medulla and sheath35. What are the main divisions of the nervous system? A. the sensory system and the motor system B. the peripheral nervous system and central nervous system C. the dendritic and the axonal systems D. the sympathetic and parasympathetic systems 36. If the peripheral nervous system is consist of neurons how about the central nervous system? A. combination of the sympathetic and parasympathetic nervous systems B. brain and spinal cord C. combined sensory and motor systems D. cranial and spinal nerves 37. Which of the following is a neuron that interconnects different types of other neurons? A. Motor C. Astroglial B. Sensory D. Associative 38. Which part of the human nervous system serves as the control center of the body? A. NeuronsC. Nerves B. Spinal cord D. Brain

39. It is an abnormal growth in or on the brain that may arise from tissue within the skull or spread through the blood stream to some parts of the body. What is this ailment of the nervous system?A. StrokeB. Brain tumorC. EncephalitisD. Meningitis 40. In humans, which structure is primarily responsible for maintaining balance and coordination of motor activities? A. cerebrumB. spinal cordC. cerebellumD. medulla 41. The blood flows from the heart to the different parts of the body and back to the heart. Which is the correct path of the blood as it flows?A. The blood from the different body parts enters in right atrium flows down to the left atrium and pumps going to the lungs then back to the heart through the left atrium flows down to the left ventricle and get transported to the different parts of the body.B. The blood from the different part of the body enters in the right atrium flows down to the left atrium and pumps going to the lungs then back to the heart through the right ventricles flows to the left ventricle and get transported to the different parts of the body.C. The blood from the different body part enters to the lungs and pumps to right atrium flows down to the right ventricle and pumps going to the lungs then back to the heart through the left atrium flows down to the left ventricle and get transported to the different parts of the body.D. The blood from the different body parts enters in right atrium flows down to the right ventricle and pumps going to the left atrium flows down to the left ventricle and get transported to the different parts of the body. 42. The diagram below represents a neuron. Which number indicates an area where a stimulus is detected and an electrochemical impulse is conducted to the cyton?

A. 1B. 2C. 3D. 4 43. A students ability to think about a question and answer it correctly is directly controlled by the __________. A. cerebrumB. spinal cordC. cerebellumD. medulla 44. Which of these statements about the human sense of touch is NOT true? A. There are very few receptors on the soles of a persons feet. B. Joints and muscle tissues contain receptors that respond to heavier pressure. C. Receptors that sense cold are found close to the skins surface. D. Pain receptors are found in all body tissues except for those in the brain.

45. The sensory neurons that come from internal organs send impulses to the CNS where reflex actions _________ . A. are critical to conscious decision making B. are especially important to the maintenance of homeostasis C. trigger all neurotransmitters D. control our emotional moods 46. An object moving quickly towards our face may cause our eyes to close or blink. Which of the following functions of the nervous system does this behavior refer to? A. learned responsesC. short-term memory B. reflex actionsD. stimulus 47. Jefferson is having a condition manifested by regular convulsion. His doctor said that it is disorder of the brain affecting part or all of the brain. What kind of disorder is this? A. TuberculosisC. ParalysisB. EpilepsyD. Polio 48. Which of the following practices should be done to cope with grief and anxiety? I. Have a vacation in a peaceful and clean placeII. Find time for recreation with the family.III. Smoke and drink too much liquor.IV. Work very hard day and night.V. Talk about the problems with family and friends.

A. I, II, IIIB. II, III, IVC. III, IV, VD. I, II, V 49. Rabies is a disease caused by virus that attacks the cells of the nervous system. Within the nerve cells, the virus multiplies and then spread to the other parts of the body including the salivary glands. What happens once the rabies attack the nervous system?A. It causes meningitis.C. It causes multiple sclerosis.B. It causes encephalitis.D. It causes dementia.50. This disease is due to the virus that enters the body through a persons mouth, multiplies in the intestines and targets nervous system. Usually, it is caused by poor hygiene and sanitation. In most cases the legs are affected and once it strikes a person, one of his leg becomes thin and shorter than the other. What disease could have caused this?A. GangreneC. PolioB. HemorrhoidsD. Tuberculosis

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