Naval Hygiene |
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Common terms and phrases
acid ammonia animal apparatus appears atmosphere aviator bacillus bacteria board ship boat body boiling bulb calcium calcium carbonate carbohydrate carbon carbon dioxide cause cent chemical chlorine clean clothing coal cold color compartments contain crew cubic centimeter cubic feet dangerous deck dioxide diphtheria disease disinfected dust effect eggs enlistment examination fever filter finger fire room fish fresh gases grams heat immunity inches infection meat medical officer method milk necessary nitrites nitrogen normal odor organisms oxygen patient permitted persons pipes placed plate poison pollution pounds pressure prevent produce Prophylaxis protein quantity rays relative humidity result salt ship's sick skin smoke pipe soap sodium solution spaces sputum steam sterilization submarine sufficient sulphur supply surface symptoms temperature tion tube tuberculosis typhoid typhoid fever U. S. Navy urine vaccination vapor varicocele vegetable ventilation vessels wash watch water closets weather
Popular passages
Page 465 - Do not crowd the description of tattoos between the right arm of the figure and the edge of the card in front, nor the left arm and edge of the card on the back.
Page 455 - ... if extensive; strabismus, hydrophthalmia, exophthalmia, conical cornea, cataract, loss of crystalline lens, diseases of the lachrymal apparatus, ectropion, ptosis, incessant spasmodic motion of the lids, adhesion of the lids, large encysted tumors, abscess of the orbit, muscular asthenopia, nystagmus. Any affection of the globe of the eye or its contents; defective vision, including anomalies of accommodation and refraction ; myopia; hypermetropia, if accompanied by asthenopia, astigmatism, amblyopia,...
Page 456 - ... connected with joints or any part of bones, effusions into joints, badly united or non-united fractures, defective or excessive curvature of the long bones, rickets, caries, necrosis, exostoses, atrophy or paralysis of a limb; extensive, deep, or adherent cicatrices, especially of...
Page 456 - ... of the right hand, loss of the second and third phalanges of all fingers of either hand, total loss of any two fingers of the same hand. (r) The Lower Extremities. — Varicose veins, knock-knees, clubfeet...
Page 453 - Every recruit must have at least 20 sound teeth, and of these not less than 4 opposed incisors and 4 opposed molars ; but, if otherwise qualified and desirable, a waiver may be requested in the case of a candidate not having 4 opposed incisors and 4 opposed molars.
Page 454 - The red test skein need not necessarily be used, but it may be employed to confirm the diagnosis already made; for the red blind will select, to match the red skein, shades of green or brown which to the normal sense seem darker than the red, while the green blind will select the shades of green or brown which seem lighter.
Page 466 - The apparatus for taking finger prints consists of a form holder, an ink plate, and a roller for spreading the ink on the plate. Keep the roller and ink plate clean and free from dust, grit, or hairs, and the ink tube closed when not in use. When the day's work is finished, clean the ink from the plate and roller by means of a cloth and benzene.
Page 454 - Snellen's 20-foot test can be determined and the denominator 20. Normal vision (20/20) for each eye, tested separately, shall be required, but in candidates who are otherwise physically sound a minimum visual acuteness of 15/20 shall suffice. The existence of several minor defects, combined with a visual acuteness of 15/20 in each eye, shall cause the rejection of the applicant.
Page 330 - More than once it happened when lime had been scattered over the fecal matter in the pits, flies with their feet covered with lime were seen walking over the food.
Page 458 - Weak or deranged intellect, cutaneous disease not of a mild type, parasites of the skin or its appendages, deformity of the skull, abnormal curvature of the spine, torticollis...