Tài liệu Kỹ Thuật - Công Nghệ

Treatment guidelines Panel of Clinical Practices for Treatment of HIV Infections Initial and follow-up testing Drug resistance testing HAART – combination of drug treatment Initiating therapy Decision made by patient and physician AIDS diagnosis or CD4 T cell count is < 200cells/mm3

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Immunocompromised patients May experience minimal to dangerous effects Adjust dosage or delay administration Must also consider immunization status of family and caregivers Health-care workers Hepatitis B vaccinationoffered by employer at nocost to employee

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Microorganisms live all around us Pathogens Microorganisms capable of causing disease Evade host defenses People avoid infections most of the time Many microorganisms are beneficial or harmless Normal defenses resist infection Conditions are not favorable for pathogens to grow and be transmitted

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90% of eye injuries are preventable Eye safety practices Adequate lighting/handrails Pad or cushion sharp edges on furniture Toys should be age-appropriate Do not mix chemicals Proper protective wear Goggles Sports eye guards

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Control hormone levels Negative feedback loop Hormone release stops in response to decrease in stimulus Stimulus (eating) raises blood glucose levels Pancreas releases insulin in response to elevated blood glucose Blood glucose decreases as it is used by the body or stored in the liver Insulin release stops as blood glucose levels normalize

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Teeth – decrease size of food particles Incisors – bite off food pieces Cuspids – tear tough food Bicuspids and molars – grind food Salivary glands Cells Serous Mucous Glands Parotid Submandibular Sublingual

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Lymphatic trunks Receive lymph from efferent lymphatic vessels Deliver it to Lymphatic collecting ducts Thoracic duct Left side of head and neck, left arm, left side of thorax, entire abdominopelvic area, and both legs Right lymphatic duct Right side of head and neck, right arm, and right side of chest

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27.18 Describe the changes that occur in a woman during pregnancy. 27.19 List several birth control methods and explain why they are effective. 27.20 List the causes of and treatments for infertility. 27.21 Describe the causes, signs and symptoms, and treatments of the most common sexually transmitted diseases.

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Glomerular Filtration First process occurs in renal corpuscles Fluid part of the blood is forced from glomerulus into Bowman’s capsule Becomes glomerular filtrate

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Membrane potential Neuron cell membrane at rest is in a polarized state Inside of cell membrane is negative Outside of cell membrane is positive due to more Na+ and K+ As Na+ and K+ move into the cell, the membrane becomes depolarized Inside becomes more positive Action potential (nerve impulse) is created Repolarization occurs when K+ an...

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