Which of the following are true about ECG machines?
They use electrodes.
They are used to assist doctors in the diagnosis of possible heart problems.
They use magnets to produce images of soft tissues.
They are never used while a patient isexercising.
An electrocardiogram (ECG or EKG) <u>records the electrical signal from your heart to check for different heart conditions.</u> <u>Electrodes are placed on your chest to record your heart's electrical signals</u>, which cause your heart to beat. The signals are shown as waves on an attached computer monitor or printer.
Methods of preserving food :
- Using salt
- Drying
- Using chemical preservatives
- Keeping in cold conditions
Answer: (A) sacroiliac joints
Explanation:
Reactive arthritis can be define as a condition which is associated with the inflammation of joints specifically the sacroiliac joints and joints of the lower body. This occurs due to the infection in an area other than the joints. The joint inflammation is characterized by swelling, warmness in and around the joints, redness and pain. Additional symptoms include inflammation of the urinary tract, inflammation of the lines of the eyelids and eye membrane, fever, pain in lower back and heel, and weight loss.
This is caused by the bacterial infection belonging to the genus of Campylobacter, Shigella, Salmonella, Chlamydia and Yersinia.
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