Question

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25. Choose the correct statement: A. we usually contract both lateral rectus muscles simultaneously B. medial rectus muscles are contracted tightly when we look at something very close to the face C. superior and inferior oblique muscles have fibers running parallel to the axis of sight D. we normally contract superior rectus in one eye while contracting inferior rectus in the other eye E. None of the above is correct. 26. If a problem appeared in the immune system, it might be a result of a malfunctioning: A. thyroid B. pineal C. thymus D. parathyroid E. None of the above is reasonable. 27. Choose the correct phrase about red blood cells: A. lifespan of about 12 days B. membranes are broken down into bilirubin C. Hb is required for DNA synthesis D. a leukocyte contains 250 million hemoglobin molecules E. None of the above is correct. 28. Which of the following is a blue cell when stained properly? A. neutrophils-non anhaun B. lymphocytes edephu immunt D. basophils E. None of the above are correct. 29. Choose the correct phrase: A. nasal epithelium is in an excellent location B. sniffing helps improve smell C. olfactory cells are mechanoreceptors D. support cells are bipolar neurons E. None of the above is correct. 30. Choose the correct phrase: A. GH increases body growth in the alarm reaction B. TH decreases body metabolism in the resistance reaction C. aldosterone causes potassium loss D. the resistance reaction occurs after cellular exhaustion E. None of the above is correct. 31. When the eye is focused for far vision: A. the lens is relatively thick B. light is bent more than focusing for close vision C. ciliary muscles are relaxed D. tension on suspensory ligaments is gone E. All of the above are correct. 32. Which of the following will increase when we drink a glass of milk? A. parathyroid hormone B. thyroid hormone C. cortisol O. calrisol D. calcitonin E. None of the above is correct.

Answer 1

26 E ,Lymphatic organs play key role in providing immunity to the body.One of the bodys largesr lymphatic organ is spleen.

27B. Bilirubin is an orange yellow pigment formed in the liver by the breakdown of haemoglobin and excreted in bile.

Option A is wrong ,RBC has a lifespan of 120 days.

28 B,D Neutrophils become pale pink

Lymphocytes become light blue.

Eosinophils-orange to pink.

Basophils deep blue to violet

29 B Sniffing helps electrical signals to the brain and helps in detecting even faint scents.   

30C Overproduction of aldosterone could result in hypokalemia.Aldosterone causes kidney to retain sodium and fluid while excreting potassium in the urine.