This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 173 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 173 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which shows the correct order of events when a person focuses on a far object?1. Cilliary msucles relax2. Suspensory ligaments become taut3. Edge of lens pilled for it to be less convex A) 2 $\rightarrow$ 1 $\rightarrow$ 3. B) 1 $\rightarrow$ 2 $\rightarrow$ 3. C) 2 $\rightarrow$ 3 $\rightarrow$ 1. D) 3 $\rightarrow$ 2 $\rightarrow$ 1. Show Answer Correct Answer: B) 1 $\rightarrow$ 2 $\rightarrow$ 3. 2. Only has 1 valve A) Arteries (pulses) [6]. B) Venous Vessels (Back) [6]. Show Answer Correct Answer: A) Arteries (pulses) [6]. 3. Blood also absorbs the ..... from different parts of the body and takes it to the excretory system. A) Nutrients. B) Waste materials. C) Temperature of the body. D) Protect the body. Show Answer Correct Answer: B) Waste materials. 4. When we exhale, the air ..... A) Goes out. B) Goes inside the bones. Show Answer Correct Answer: A) Goes out. 5. Which Ventricle produces a stronger contraction? A) Right. B) Left. Show Answer Correct Answer: B) Left. 6. What is normal blood pressure? A) 110/70. B) 120/80. C) 130/60. D) 200/40. Show Answer Correct Answer: B) 120/80. 7. ..... is nonliving and performs many of the pick up/delivery jobs of blood. A) Plasma. B) Vessel. C) Bone Marrow. D) None of above. Show Answer Correct Answer: A) Plasma. 8. Valves in veins serve to: A) Release excessive pressure to protect these thin-walled vessels. B) Counteract the crushing force of surrounding skeletal muscles. C) Prevent backflow of blood in the absence of high blood pressure. D) Adjust blood pressure by compartmentalizing the venae cavae. Show Answer Correct Answer: C) Prevent backflow of blood in the absence of high blood pressure. 9. These are the smallest blood vessels. They deliver blood to the cells. A) Capillaries. B) Veins. C) Arteries. D) Valves. Show Answer Correct Answer: A) Capillaries. 10. TRUE or FALSEPulmonary circulation is the process of moving blood between heart and lungs. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 11. What is the medical term for watery fluid inside the lympathic vessels? A) Plasma. B) Lymph. C) Blood. D) None of above. Show Answer Correct Answer: B) Lymph. 12. Doctors use which instrument to listen the heartbeat- A) Thermometer. B) Suction Device. C) Sphygmomanometer. D) Stethoscope. Show Answer Correct Answer: D) Stethoscope. 13. Bicuspid valve and tricuspid valves are closed during A) Ventricular systole. B) Ventricular diastole. C) Atrial systole. D) Late joint diastole. Show Answer Correct Answer: A) Ventricular systole. 14. Which answer best describes how infectious diseases get transmitted (passed on)? A) People can sneeze or cough and pass disease on through the air. B) Drinking water can be contaminated with diseases. C) Objects such as doorknobs and towels can be contaminated by disease. D) All of the above answers are ways that diseases are transmitted. Show Answer Correct Answer: D) All of the above answers are ways that diseases are transmitted. 15. Which of the following are the valves that can be found inside the heart? A) Tricuspid, Pulmonary, Bicuspid, Respiratory. B) Butterfly, Bicuspid, Pulmonary, Aortic. C) Tricuspid, Pulmonary, Bicuspid, Aortic. D) None of above. Show Answer Correct Answer: C) Tricuspid, Pulmonary, Bicuspid, Aortic. 16. Which of these heart structures prevents blood from flowing backward? A) Aorta. B) Septum. C) Coronary artery. D) Valves. Show Answer Correct Answer: D) Valves. 17. Where does blood vessels carry the blood to A) Towards the heart. B) Away from heart. C) Towards the body. D) Away from the body. Show Answer Correct Answer: A) Towards the heart. 18. What part of the blood carries minerals, vitamins, sugar, and other foods to the body's cells? A) Plasma. B) Platelets. C) Red blood cells. D) White blood cells. Show Answer Correct Answer: A) Plasma. 19. What is a major organ used in the circulatory system? A) Lungs. B) Kidneys. C) Liver. D) Heart. Show Answer Correct Answer: D) Heart. 20. What is the circulatory system's main job? A) Breathe. B) Circulate oxygen to the body and remove waste. C) Filter out toxins. D) Control body movements. Show Answer Correct Answer: B) Circulate oxygen to the body and remove waste. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books