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What is Cyanosis ?
Cyanosis: Cyanosis may be peripheral or central. Peripheral cyanosis almost exclusively involves lips and extremities. Normal neonates may have bluish extremities that respond to warming or moving the extremities. Saturations of 90 per cent or lower while breathing room air beyond the first 20 minutes are considered abnormal. Similarly, some infants may have peripheral cyanosis following exposure to cold. Central cyanosis involving the mucous membranes and trunk along with the lips and extremities, strongly suggests the likelihood of CHD. Unfortunately, however, cyanosis often remains unnoticed. This is particularly true in the Indian context, where it is difficult to detect cyailosis is presence of a dark skin complexion. Further, cyanosis is often masked by anaemia. When central cyanosis is suspected, its presence should be confirmed and severity quantified by measuring oxygen saturation using a skin oxymeter probe. Unfortunately, however, the availability of this instrument is limited to a few selected institutions.
Treatment of susceptible tb All isolates of Mycobacterium tuberculosis should be tested for antimicrobial susceptibility, but results generally do not become available for at l
In a properly functioning negative feedback system, the A. value of the controlled variable will always be very close to the threshold value when the system is in steady state.
a) Describe the theory of capillarity of water translocation in plants. b) Can the theory define translocation of water in 100 m tall trees? Give one reason.
Nucleic Acids Friedrich Miescher (1868) discovered the presence of these compound in protoplasm ,but Altman (1889) introduced the term Nucleic acid. These acids are the lar
Animal wastes Large quantities of animal wastes are available in the country but generally they are low in nutrient content with poor feeding value to the animals. However, po
Meningococcal disease Meningococcal vaccine is recommended for adults and children >2 years old who are traveling to areas where epidemics are occurring, or to the "meningitis
Bone Modeling It is a surface-specific activity (apposition or resorption) that produces a net change in the size and/or shape of a bone after initial bone formation in the emb
In biological studies which of the below is used to refer to iron-containing, oxygen-binding, conjugated protein complex present in sarcoplasm of muscle cells? a) Myelin b)
Q How does the excretory system of nematodes work? The metabolic residuals of nematodes are together by two longitudinal lateral excretory channels that open in one single excr
how to prevent cross contamenation
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