Answer:
Rheumatoid arthritis
Explanation:
In RA, the autoimmune reaction results in phagocytosis, producing enzymes within the joint that break down collagen, cause edema and proliferation of the synovial membrane, and ultimately forms pannus. Pannus destroys cartilage and bone. SLE, osteoporosis, and polymyositis do not result in phagocytosis.
Answer:
The structural and functional unit of the kidney is nephron. Each kidney consists of two parts a renal corpuscle which is the site for blood filtration and renal tubule in which filtrate enters and passes through.
Renal tubule is divided into PCT(proximal convoluted tubule), loop of Henle (nephron loop) and DCT(distal convoluted tubule).
Function of nephron
1. Renal corpuscle: It is made up of two component glomerulus(tuft of capillaries) and bowman's capsule. Glomerulus is having pores in its membrane called fenestrae through which blood is filtered into the bowmen's capsule.
2. PCT: The function of PCT is mostly to reabsorb the materials from filtrate by active and passive transport. Absorption of glucose, amino acids, hormones, vitamins, and ions takes place in this segment.
3. Henle loop: It contains ascending and descending loop. The descending loop is permeable to water and ascending loop is permeable to ions. So reabsorption of water and ions like sodium takes place in this region.
4. DCT: Here reabsorption of ions takes place and it is mostly impermeable to water and it opens into collecting duct.
Answer:
Effective injury prevention methods include the use of childproof caps on medications and household poisons, age-appropriate restraints in motor vehicles (i.e., car seats, booster seats, seat belts), bicycle helmets, and a four-sided fence with a locked gate around residential swimming pools
Explanation:
Injuries are the leading cause of death and disability for young children. Young children are at higher risk of injuries overall, and certain injuries are more probable at different ages. Toddlers are most susceptible to poisoning, pre-schoolers to drowning, and school-aged children to pedestrian accidents. Children are more likely to be injured when they are not under appropriate adult supervision.
The vast majority of childhood injuries are preventable. Child care providers need to take specific steps to prevent injury in the child care setting. The following are some basic recommendations for preventing injury.
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Answer:
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Explanation:
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