Thư viện tài liệu, ebook tham khảo dành cho học sinh, sinh viên

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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Carbon dioxide gets into the bloodstream Reacts with water in plasma and forms carbonic acid Carbonic acid ionizes and releases hydrogen and bicarbonate ions Bicarbonate ions attach to hemoglobin Exhaled as waste product in the lungs

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One cardiac cycle – two heart sounds (lubb and dubb) when valves in the heart snap shut Lubb – first sound When the ventricles contract, the tricuspid and bicuspid valves snap shut Dubb – second sound When the atria contract and the pulmonary and aortic valves snap shut

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Multiunit smooth muscle In the iris of the eye and walls of blood vessels Responds to neurotransmitters and hormones Visceral smooth muscle In walls of hollow organs Responds to neurotransmitters AND Stimulate each other to contract so that muscle fibers contract and relax together in a rhythmic motion – peristalsis

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Male pelvic cavity Narrower and longer Less roomy and more funnel shaped Male sacrum Narrower Sacral promontory projects forward Sacral curvature is less sharp posteriorly

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Deeper of the two skin layers Contains all major tissue types, plus Sudoriferous (sweat) glands Sebaceous (oil) glands Hair follicles and arrector pili muscles Collagen, elastin, and nerve fibers Blood vessels Binds the epidermis to the subcutaneous tissue

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Word root – contains base meaning Suffix At end of term Alters the meaning of the word root Prefix At the beginning of the term Alters the meaning of the term

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Patient ledger card Patient name, address, insurance information Document financial transactions of patient account Information from daily log Ensure accuracy Total charges and receipts from ledger must equal total charges and receipts in daily log

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