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Directions: Each of the following sentences has a word or phrase underlined. There are four words or phrases beneath each sentence. Choose the word or phrase which can best keep the meaning of the original sentence if it is substituted for the underlined part. Mark your answer on the ANSWER SHEET.

41. The defect occurs in the first eight weeks of pregnancy, though no one understands why, said Dr. Solomon, the obstetrician with the Medical Center for Children, the University of Pennsylvania, Philadelphia, US.

A. deficit B. deviation 0. draw back D. discrepancy

42. An allergy results when the body reacts adversely to certain substances introduced to it.

A. negatively B.spontaneously C. purposefully D. promptly

43. Johnson5 s writing is considered pedantic and abstruse because it is filled with obscure references and baffling digressions.

A. ingenuous B. intricate C. definitive D. erratic

44. Some forms of arthritis may develop when the body5 s ability of fighting disease goes away.

A. takes over B.comes up C. is interrupted D. becomes faulty

45. Hypertension is one of the most prevalent and potentially dangerous diseases in the world.

A. colossal B.popular C. widespread D. scattered

46. Medical diagnosis begins with a patient history, including a history of the present illness with a description of symptoms, a past medical history, and a family and social history.

A. clinical manifestations B.clinical characteristics

C. clinical prognosis D. therapeutic signs

47. Autism is a disease which involves a total lack of language, a pervasive lack of responsiveness to people, and peculiar speech patterns.

A. widespread B.localized C. occasional D. uncommon

48. If a fever persists, a doctor should be called since this may mean that a more serious infection is present.

A. disappears B.continues C. perishes D. vanishes

49. The function of lymph nodes is to filter the lymph as it passes through the lymphatic vessels.

A. sift B.infiltrate C. perpetrate D. examine

50. A corps of so-called barefoot doctors were trained in hygiene, preventive medicine, acupuncture, and routine treatment of common diseases.

A. nutrition B.sanitation C. nursery D. welfare

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