Digital thermometer: Digital thermometers are an advance to the existing clinical thermometers; Due to high toxicity of the Mercury present in clinical thermometers and difficulty in its disposal in cases when the thermometer breaks digital thermometers are manufactured that can measure the accurate temperature without the use of mercury. Q47. A clinical thermometer has a kink in it whereas there is no kink in laboratory thermometer. (2) A clinical thermometer has a kink (or constriction) in its glass tube just above the bulb containing mercury. Ans. Mostly thermometers made in the 20th century are mercury thermometers. Q14: What is the use of kink in a clinical thermometer? Mercury is used in clinical temperature and level of mercury rises … Doctors use a special thermometer called the clinical thermometer for measuring the temperature of the patient’s body. A. i only B. i and ii only C. i and iv only D. iii and iv only. 2 1. The kink in a clinical thermometer stops the fluid from dropping back down the tube after the thermometer is removed from the mouth, to give a more accurate reading. This is convenient in handling. The kink in a clinical thermometer stops the fluid from dropping back down the tube after the thermometer is removed from the mouth, to give a more accurate reading. Shaking the thermometer resets the mercury back into the bulb. i. Prevent the backflow of mercury after use. The thermometer used for measuring the temperature of human body is called clinical thermometer. It has a slight bend or kink in the stem just above the bulb. Q15: Give an example to show the transfer from heat from one body to another. Please enable Cookies and reload the page. What is the use of the kink? What is the use of kink in clinical thermometer? This kink is called the constriction. ⊕ Constrictions present in a thermometer are used for the following. 4.6). Ans: There is no ‘kink’ in laboratory thermometer. Tweet. What are the precautions that need to be observed while reading a clinical thermometer? Clinical or Medical thermometers. ii. and thus can't use to measure object with temprature higher or lower than it.Clinical thermometer had a u bend tube called kink which stops the mercury's back flow into bulb, thus it is use to measure the temprature of HUMAN BODY. This thermometer has the markings from 35°C to 42°C. Why? The normal human body temperature is 37˚C; which can fluctuate between the ranges 35˚C to 42˚C. О The constriction hence conserves the reading of the thermometer for a certain period of time after which it falls. i. Mercury is used in clinical temperature and level of mercury rises very rapidly with small variation in temperature. Q29. Precautions to be observed while reading a clinical thermometer. The glass tube is shaped like a lens to magnify the thin mercury thread. The use of the thermometer depends very much on the reason why it was manufactured. iii. The range of a clinical thermometer is from 35°C to 42°C. Each thermometer has been created specially to make its measurement in a certain place, but absolutely everyone has the same unique function: to measure the temperature of something. The glass tube is shaped like a lens to mag… Kink also is called a constriction. iv. The kink is to prevent the back flow of mercury into the thermometer bulb when the thermometer bulb is removed from the mouth of a patient. This kink is called the constriction. Do you see a kink near the bulb (Fig. iii. Question 14. They are sensitive and accurate, having a narrow place where the level of mercury rises very fast. Maintain the thermometric property of mercury. Maintain the thermometric property of mercury. Hence, the clinical thermometers have the range 35˚C to 42˚C. Answer:A 'kink' in the glass tube which breaks the mercury as it contracts, storing the highest temperature reading. A kink in the tube stops the mercury level from falling on it own. In a clinical thermometer kink plays an important role. Answer: By using thermometer, we can measure the degree of hotness of a body. Clinical thermometers are meant for clinical purposes. Q5. Answer this question. Which three about convenience checks are true; Why does a clinical thermometer have a kink in its stem? Ensure the backflow of mercury after use. Post an Answer. The glass tube is shaped like a lens to magnify the thin mercury thread. Ans : Any utensil kept on flame, becomes hot because heat transfers from flame to the utensil. Since, in clinical thermometer, mercury is used and level of mercury rises very rapidly with small variation in temperature that's why thermometers provided with kink near the bulb so it prevents the level of mercury from falling when taken out of mouth. Originally Answered: What is the use of kink in a thermometer? What is the important of the kink in a clinical thermometer? (2) The clinical thermometer has a kink (or constriction) in its tube to prevent the back flow of mercury into the bulb whereas a laboratory thermometer has no kink. Q47. Otherwise the indicated temperature would begin to decrease as soon as the bulb is moved to a cooler environment. A clinical thermometer’s range is 35 degrees Celsius to 42 degrees Celsius while a laboratory thermometer’s range is wider at -10 degrees Celsius to 110 degrees Celsius. The kink is there to make reading more accurate. Your email address will not be published. Clinical Thermometer. Explain how do we find out how hot an object really is. Ans : Kink prevents mercury level from falling on its own. It helps to measure the correct reading even if the thermometer is taken out of the body. The kink slows the flow of the mercury back into the bulb after the thermometer is removed from the mouth (or elsewhere) so the temperature can be read more accurately. Performance & security by Cloudflare, Please complete the security check to access. Observe a clinical thermometer again. Required fields are marked *, What Is The Use Of Kink In The Clinical Thermometer. The kink prevents the mercury level in the thermometer tube from falling on its own. Q6. This gives us a … When taking someones temperature, the mercury rises up the column and stabilises at body temperature. We cannot use Laboratory thermometer to measure our body temperature. In a clinical thermometer kink plays an important role. The mercury level do not fall or rise in the capillary of clinical thermometer when the thermometer is taken out of the mouth due to the presence of kink. О The constriction hence conserves the reading of the thermometer for a certain period of time after which it falls . kink prevents the mercury present in the capillary to fall back in the bulb. It prevents mercury level from falling on its own. Question 15. The kink helps in measuring temperature of the body in the thermometer. The person before using the thermometer shakes the thermometer to make the mercury comes to the normal level. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. You may need to download version 2.0 now from the Chrome Web Store. The level of mercury tells our body temperature in ˚C. This constriction prevents the mercury from falling back all by itself. Another way to prevent getting this page in the future is to use Privacy Pass. Your IP: 172.96.179.243 Answer. • 2) Accuracy of Laboratory and Clinical Thermometer ... Kink. 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Most show both Celsius scale and Fahrenheit temperature scales, and run from 35 degree Celsius to 42 degree Celsius. Since mercury is a toxic element, thus these thermometers have been replaced by digital thermometers nowadays. g mahesh, Nov 7, 2013 #1 (You must log in or sign up to reply here.) A clinical thermometer cannot be used to measure high temperatures because it has been designed to measure only human body temperature which varies over a short range. and thus can't use to measure object with temprature higher or lower than it.Clinical thermometer had a u bend tube called kink which stops the mercury's back flow into bulb, thus it is use to measure the temprature of HUMAN BODY. The basic laboratory thermometer is similar to the clinical thermometer except that the laboratory thermometer does not have any kink. Due to the absence of the kink, these laboratory thermometers are used in a continuous process and need to be monitored all the time to get accurate results. These thermometers are used in clinics by doctors, it is a clinical thermometers they are also called a doctor's thermometers or medical thermometers. In the clinical thermometer, the function of the kink is to. Why does the mercury not fall or rise in a clinical thermometer when taken out of the mouth? This constriction prevents the mercury from falling back all by itself. Why do we jerk a clinical thermometer before we measure the body temperature? The kink facilitates the user to observe the correct reading on the thermometer. So it separates the mercury at high temperature and cool mercury and allows the user to note the reading when the thermometer is taken out. Answer: By using thermometer, we can measure the degree of hotness of a body. Therefore the temperature will fall as soon as we remove the thermometer from the mouth & we will not be able to measure the correct temperature of the body. Answer for question: Your name: Answers. Your email address will not be published. Clinical thermometer . What are the precautions that need to be observed while reading a clinical thermometer? A 'kink' in the glass tube which breaks the mercury as it contracts, storing the highest temperature reading. Kink prevents mercury level from falling on its own in clinical thermometer. Ans. Prevent the backflow of mercury after use. (ii)A digital thermometer works with cells but the clinical thermometer is more accurate than the digital one when its cells are weak. Lab thermometers do not have a kink as the readings should be accurate, and the kink would cause errors to creep in. Free e-mail watchdog. In the clinical thermometer, the function of the kink is to. Question 5. Why clinical thermometer cannot be used to measure high temperatures? A clinical thermometer has a kink in it whereas there is no kink in laboratory thermometer. Kink also is called a constriction . Why does a clinical thermometer have a kink in its stem? It ensures that the user takes the correct reading of temperature. О Constrictions prevent the level of the thermometric liquid to suddenly fall after measuring the temperature. How to read a Thermometer? Ans. Clinical Thermometer: Clinical thermometer can measure a range of 35 degree Celsius to 42 degree celseus. Answer: A kink is clinical thermometer prevents the mercury from flowing back into the bulb when the thermometer is taken out of the patient’s mouth, so that the temperature can be noted conveniently. Note: Clinical thermometers must be sterilized before use for the safe and clean check-up. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. What is the important of the kink in a clinical thermometer? Clinical thermometer has kink near the bulb prevents mercury level from falling on its own. ⊕ Constrictions present in a thermometer are used for the following О Constrictions prevent the level of the thermometric liquid to suddenly fall after measuring the temperature. Question: Explain how do we find out how hot an object really is. Ensure the backflow of mercury after use. It is developed for measuring the human body temperature. A. i only B. i and ii only C. i and iv only D. iii and iv only. Cloudflare Ray ID: 60fbbc1fcac6f999 All clinical thermometers have a kink that prevents the mercury from flowing back into the bulb when the thermometer is taken out of the patien's mouth, so that the temperature can be noted conveniently. A 'kink' in the glass tube which breaks the mercury as it contracts, storing the highest temperature reading. The kink is present in a clinical thermometer. Shaking … ii. 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