What's the difference between obviate and prevent?

Obviate


Definition:

  • (v. t.) To meet in the way.
  • (v. t.) To anticipate; to prevent by interception; to remove from the way or path; to make unnecessary; as, to obviate the necessity of going.

Example Sentences:

  • (1) The phenylalanine model allows the rapid assessment of whole body and muscle protein turnover from plasma samples alone, obviating the need for measurement of expired air CO2 production or enrichment.
  • (2) In this series, the association between the anomalous ductal insertion and biliary tract disease cannot be established, since the method of patient selection obviates any epidemiologic consideration.
  • (3) The intracellular localization of tachyzoites facilitated diagnosis by obviating potential confusion of extracellular tachyzoites with cellular debris or platelets.
  • (4) Still, there are some aspects of Palin’s channel to recommend it to the devoted movement conservative that isn’t necessarily already a fan of hers – especially its obviating the need to resort to Palinology.
  • (5) Thorough monitoring during surgery, careful selection of patients, and close communication between the surgeon and anesthesiologist permit safe anesthesia, can decrease operating time, and usually obviate the need for transfusions.
  • (6) Cotrel-Dubousset instrumentation (CDI) has been gaining popularity in scoliosis surgery because of their improved rigidity which can obviate the need for a brace in most cases.
  • (7) Postoperative radiotherapy appeared to be effective in obviating local recurrence in patients with adenoid cystic carcinoma of the trachea.
  • (8) Dosage adjustments usually obviate unwanted effects except for paradoxical reactions such as hostility.
  • (9) Using nuclear runoff transcription assays we demonstrated that alpha interferon-mediated induction of transcription of four mRNAs in HeLa monolayer cells needed ongoing protein synthesis and that such a need could be obviated by pretreating the cells with gamma interferon which, by itself, did not induce transcription of these mRNAs.
  • (10) It obviates the need for excision in patients who fulfill the aforementioned criteria.
  • (11) In summary, endoscopic dilatation for postgastroplasty strictures is a useful and effective technique, obviating the need for operative revision in the majority of patients; however, when the stenosis is associated with channel angulation, dilatation is almost uniformly unsuccessful.
  • (12) To obviate this problem, we have covalently attached deferoxamine to high molecular weight carbohydrates such as dextran and hydroxyethyl starch.
  • (13) Serum components inhibit DNA polymerase, thereby obviating direct detection of serum viral DNA sequences by the polymerase chain reaction (PCR).
  • (14) Sources say Elisabeth, who turned 44 on Wednesday, has no desire to leave Britain and believes her father can carry on for at least another 10 years, obviating any need for a succession decision.
  • (15) Gastric resection may still be unavoidable as a diagnostic procedure in a minority of cases and may represent the primary therapeutic procedure in clinically assessed early-stage and low-risk patients, but it cannot be considered mandatory whenever possible merely for debulking purposes or to obviate possible perforation or hemorrhage.
  • (16) The use of a malleable curved disposable suction cautery for the control of any persistent bleeding at the conclusion of adenoidectomy in over 1000 cases has prevented any primary postoperative hemorrhages from the nasopharynx, and obviated the need for post-nasal packing.
  • (17) These responses can be obviated by intravascular volume expansion.
  • (18) In older patients the finding could be misinterpreted as evidence of extracranial cerebrovascular disease, but clinical considerations should obviate unnecessary neuroradiological diagnostic procedures.
  • (19) Elective caesarean section at 38 weeks' gestation may obviate the problem, since it prevents trauma during vaginal delivery but it will not eliminate neurological sequelae in those infants who have already suffered antenatal intracranial bleeding, an entity now well described in these fetuses.
  • (20) Timely intervention by other diagnostic modalities may obviate the consideration of chemotherapy in cases where there are no liver metastases.

Prevent


Definition:

  • (v. t.) To go before; to precede; hence, to go before as a guide; to direct.
  • (v. t.) To be beforehand with; to anticipate.
  • (v. t.) To intercept; to hinder; to frustrate; to stop; to thwart.
  • (v. i.) To come before the usual time.

Example Sentences:

  • (1) Down and up regulation by peptides may be useful for treatment of cough and prevention of aspiration pneumonia.
  • (2) This death is also dependent on the presence of chloride and is prevented with the non-selective EAA antagonist, kynurenic acid, but is not prevented by QA.
  • (3) Parents of subjects at the experimental school were visited at home by a community health worker who provided individualized information on dental services and preventive strategies.
  • (4) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
  • (5) The penetration of (22)Na was not prevented by the presence of metabolic inhibitors or by 500 mm NaCl in the suspending medium.
  • (6) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
  • (7) This decrease was prevented by DOCA, hydrocortisone and corticosterone.
  • (8) Elderly women need to follow the same strategies as postmenopausal women with more emphasis on prevention of falls.
  • (9) Treatment of the bound F1-ATPase with 4-chloro-7-nitrobenzofurazan prevented complete release of the enzyme by ATP.
  • (10) Results in May 89 emphasizes: the relevance and urgency of the prevention of AIDS in secondary schools; the importance of the institutional aspect for the continuity of the project; the involvement of the pupils and the trainers for the processus; the feasibility of an intervention using only local resources.
  • (11) It was hypothesized that compensatory restraining influences of surrounding soft tissues prevented a more severe facial malformation from occurring.
  • (12) Defibrotide prevents the dramatic fall of creatine phosphokinase activity in the ischemic ventricle: metabolic changes which reflect changes in the cells affected by prolonged ischemia.
  • (13) If there is a will to use primary Care centres for effective preventive action in the population as a whole, motivation of the professionals involved and organisational changes will be necessary so as not to perpetuate the law of inverse care.
  • (14) This was carried out on the healthy subjects for a total of 12 nights without medication (control nights asleep), a total of 12 nights following 40 mg of flucortolone the previous morning, and a total of 6 nights with similar blood sampling when sleep was prevented (control nights awake).
  • (15) He also deals with the incidence, conservative and surgical treatment of osteo-arthrosis in old age and with the possibilities of its prevention.
  • (16) Possibilities to achieve this both in the curative and the preventive field are restricted mainly due to the insufficient knowledge of their etiopathogenesis.
  • (17) Current status of prognosis in clinical, experimental and prophylactic medicine is delineated with formulation of the purposes and feasibility of therapeutic and preventive realization of the disease onset and run prediction.
  • (18) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
  • (19) Communicating sustainability is a subtle attempt at doing good Read more And yet, in environmental terms it is infinitely preferable to prevent waste altogether, rather than recycle it.
  • (20) From the social economic point of view nosocomial infections represent a very important cost factor, which could be reduced to great deal by activities for prevention of nosocomial infection.