What's the difference between case and challenge?

Case


Definition:

  • (n.) A box, sheath, or covering; as, a case for holding goods; a case for spectacles; the case of a watch; the case (capsule) of a cartridge; a case (cover) for a book.
  • (n.) A box and its contents; the quantity contained in a box; as, a case of goods; a case of instruments.
  • (n.) A shallow tray divided into compartments or "boxes" for holding type.
  • (n.) An inclosing frame; a casing; as, a door case; a window case.
  • (n.) A small fissure which admits water to the workings.
  • (v. t.) To cover or protect with, or as with, a case; to inclose.
  • (v. t.) To strip the skin from; as, to case a box.
  • (n.) Chance; accident; hap; opportunity.
  • (n.) That which befalls, comes, or happens; an event; an instance; a circumstance, or all the circumstances; condition; state of things; affair; as, a strange case; a case of injustice; the case of the Indian tribes.
  • (n.) A patient under treatment; an instance of sickness or injury; as, ten cases of fever; also, the history of a disease or injury.
  • (n.) The matters of fact or conditions involved in a suit, as distinguished from the questions of law; a suit or action at law; a cause.
  • (n.) One of the forms, or the inflections or changes of form, of a noun, pronoun, or adjective, which indicate its relation to other words, and in the aggregate constitute its declension; the relation which a noun or pronoun sustains to some other word.
  • (v. i.) To propose hypothetical cases.

Example Sentences:

  • (1) Intestinal dilatation seemed in all cases a response to elevated CO2 only.
  • (2) By presenting the case history of a man who successively developed facial and trigeminal neural dysfunction after Mohs chemosurgery of a PCSCC, this paper documents histologically the occurrence of such neural invasion, and illustrates the utility of gadolinium-enhanced magnetic resonance scanning in patient management.
  • (3) A report is presented of 6 surgically-treated cases of recurrent cervical carcinoma.
  • (4) Guillain Barré syndrome following herpes zoster is rare and only 25 cases have been reported to date.
  • (5) In 49 cases undergoing systemic lymphadenectomy 32 were found to have glandular involvement, of which both aortic and pelvic nodes were positive in 17 cases (53.1%), aortic nodes positive but pelvic negative in six (18.8%), and pelvic nodes positive but aortic negative in nine (28.1%).
  • (6) These channels may, at least in some cases, be responsible for the generation of pacemaker depolarizations, thereby regulating firing behaviour.
  • (7) Weddellite calcification was associated with benign lesions in 16 cases, but incidental atypical lobular hyperplasia and lobular carcinoma in situ were present, each in one case.
  • (8) The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy.
  • (9) Together these results suggest that IVC may operate as a selective activator of calpain both in the cytosol and at the membrane level; in the latter case in synergism with the activation induced by association of the proteinase to the cell membrane.
  • (10) In one of 28 cases with LCIS examined by mammography there was suspicion of carcinoma.
  • (11) Only 81 cases are reported in the international literature.
  • (12) Single-case experimental designs are presented and discussed from several points of view: Historical antecedents, assessment of the dependent variable, internal and external validity and pre-experimental vs experimental single-case designs.
  • (13) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
  • (14) Subsequently, the study of bundle branch block and A-V block cases revealed that no explicit correlation existed between histopathological changes and functional disturbances nor between disturbances in conduction (i.e.
  • (15) The procedure was used on 71 occasions, and in each case a clinical diagnosis was made and compared with the cytological diagnosis made independently by a pathologist.
  • (16) The Cole-Moore effect, which was found here only under a specific set of conditions, thus may be a special case rather than the general property of the membrane.
  • (17) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
  • (18) The histological pattern of tumor was identified in 28 cases.
  • (19) In all cases the polyarthritis is cured by anti-inflammatory treatment in 1-6 months.
  • (20) This is a fascinating possibility for solving the skin shortage problem especially in burn cases.

Challenge


Definition:

  • (n.) An invitation to engage in a contest or controversy of any kind; a defiance; specifically, a summons to fight a duel; also, the letter or message conveying the summons.
  • (n.) The act of a sentry in halting any one who appears at his post, and demanding the countersign.
  • (n.) A claim or demand.
  • (n.) The opening and crying of hounds at first finding the scent of their game.
  • (n.) An exception to a juror or to a member of a court martial, coupled with a demand that he should be held incompetent to act; the claim of a party that a certain person or persons shall not sit in trial upon him or his cause.
  • (n.) An exception to a person as not legally qualified to vote. The challenge must be made when the ballot is offered.
  • (n.) To call to a contest of any kind; to call to answer; to defy.
  • (n.) To call, invite, or summon to answer for an offense by personal combat.
  • (n.) To claim as due; to demand as a right.
  • (n.) To censure; to blame.
  • (n.) To question or demand the countersign from (one who attempts to pass the lines); as, the sentinel challenged us, with "Who comes there?"
  • (n.) To take exception to; question; as, to challenge the accuracy of a statement or of a quotation.
  • (n.) To object to or take exception to, as to a juror, or member of a court.
  • (n.) To object to the reception of the vote of, as on the ground that the person in not qualified as a voter.
  • (v. i.) To assert a right; to claim a place.

Example Sentences:

  • (1) Bronchial challenge caused an immediate asthmatic response.
  • (2) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
  • (3) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
  • (4) The degree of increase in Meth responsiveness elicited by the initial provocation is a major factor in determining the airway response to a subsequent HS challenge.
  • (5) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
  • (6) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
  • (7) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
  • (8) A shrinking populace is perhaps a greater challenge than any problems with Russia.
  • (9) Intraperitoneal injection of indomethacin to pretreated animals resulted in increased levels of IL-1 and TNF and decreased levels of PGE2 following challenge with E. coli.
  • (10) Think of Nelson Mandela – there is a determination, an unwillingness to bend in the face of challenges, that earns you respect and makes people look to you for guidance.
  • (11) The children's pulse, pulse rate variability, and blood pressure were then measured at rest and during a challenging situation.
  • (12) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
  • (13) The results support the notion that mediator lymphocytes circulate in tumor immunized rats in a noncytotoxic state, specifically recognize tumor cells at a challenge site, and mediate induction of effector cells locally.
  • (14) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
  • (15) In the first trial to investigate the effect of tick control, significant improvements in liveweight gain (LWG) occurred only in periods of medium to high challenge with adult Amblyomma variegatum.
  • (16) The SNT and the I-ELISA indicated that the pigs responded to vaccination and challenge.
  • (17) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
  • (18) This observation seriously challenges the hypothesis that SCE cancellation results as a consequence of persistence of the lesions induced by these agents.
  • (19) Injection of about four ImD 50 of vaccine intracerebrally produced a local immunity, resulting in an immediate kill of challenge organisms given 14 days later.
  • (20) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.

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