Вопрос № 1072140 - Английский язык

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Blood cells are of three kinds: red blood cells (erythrocytes), white blood cells (leukocytes and lymphocytes), and blood platelets.
Red blood cells are approximately round, disk-shaped with high edges. They measure approximately 1/3,000 of an inch in diameter. The healthy male has about 5 million red blood cells per cubic millimeter of blood. A healthy woman has about 10% fewer.
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In humans, mature red blood cells are …

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White blood cells are about 1.5 to 2 times as large as red blood cells, which outnumber them by at least 500 to 1. The average number of white blood cells in the healthy adult is around 7,000 per cubic millimeter. In the presence of infection this number may go as high as 40,000. A great increase in the white blood count is almost always a sign of infection.
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In the presence of infection the average number of white blood cells …

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Red blood cells are destroyed and replaced at a rate of about 1% a day. These cells are formed in the bone marrow, particularly in the spine and hip bones, the ribs and breast-bone. They are destroyed largely in the spleen.
Blood platelets are about 1/3 as large as red blood cells. They are concerned with blood clotting.
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Red blood cells begin their existence in …

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27 December, 2010
1_______,
I am requesting authorization to provide the kyphoplasty procedure for Helen Smith.
Mrs. Smith is a 75-year-old woman who presents with a history of osteoporosis and 2_______ that began approximately three months ago. Radiographic imaging including MRI confirms multiple compression 3_______. She also complained about shortness of breath and the sensation of bloating with eating.
Based on the above findings, it is my professional opinion that Mrs. Smith would benefit greatly from the kyphoplasty procedure. Therefore, I request written confirmation of your authorization for this procedure.
4_______,
Tom Grey

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1_______
2_______,
I am writing to request Dr. Choi to issue a medical leave recommendation letter in my favor and have it sent to my employer.
As the records will show, I 3_______ Dr. Choi over three days last week for a spinal disc herniation and was also advised at least two weeks of complete rest.
The recommendation letter must appear on the doctor's personal letterhead or that of the hospital.
Please let me know if you have any questions.
4_______,
J. Wong

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15 November, 2011
1_______,
I am writing to apply for the 2_______ advertised in the Times Union. As requested, I am enclosing my certification, my resume and three references.
I was responsible for taking vital signs, examining, diagnosing and treating under the direct supervision of the physician.
I believe that my education and strong experience in medical field will make me a very competitive candidate for this position.
Thank you for your 3_______. I look forward to speaking with you about this employment opportunity.
Sincerely,
4_______