What's the difference between challenging and provocative?

Challenging


Definition:

  • (p. pr. & vb. n.) of Challenge

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.

Provocative


Definition:

  • (a.) Serving or tending to provoke, excite, or stimulate; exciting.
  • (n.) Anything that is provocative; a stimulant; as, a provocative of appetite.

Example Sentences:

  • (1) 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.
  • (2) The sensitivity and specificity of three methods of provocation, ie, histamine, nebulized water, and exercise, were compared in 20 asthmatic and 20 control children between ages 5 and 13 years.
  • (3) By its pragmatic conception, modifications obtained by psychoactive agents are used (antidepressants of the group imipramine and IMAO, classical benzodiazepines and alprazolam, provocation controlled in laboratory) in order to strengthen innovating hypotheses and allow to elaborate useful treatment strategies for neuroses.
  • (4) The essentials of standardizations of bronchial provocation tests from the clinical point of view are mentioned.
  • (5) Aggressive responding was maintained by contingent presentation of periods free of point subtractions, i.e., provocations.
  • (6) Their medical histories were consulted and further measures were taken such as a radiological thorax study, total IgE, TDI, MDI and HDI RAST, a basal spirometric study and finally a provocation test.
  • (7) Thus, patients are likely to live longer after CABG if they have left main disease; three-vessel disease with left ventricular dysfunction (ejection fraction less than 50%), class III or IV angina, provocable ischemia, or disease in the proximal left anterior descending coronary artery; two-vessel disease with proximal left anterior descending artery involvement; and two-vessel disease with class III or IV angina as well as either severe left ventricular dysfunction alone or moderate left ventricular dysfunction together with at least one proximal lesion.
  • (8) To further determine if basophil histamine releasability in asthma correlated to measures of airway reactivity, bronchial provocation with histamine was performed.
  • (9) In this study we investigated the role of interleukin 1 (IL 1) in the induction of inflammatory lesions and in the preparation and provocation of the local Shwartzman reaction.
  • (10) Photograph: Rex Features If Brookstein had confined his anger to legitimate provocations, it would be easier to sympathise, for he seems to have suffered more than enough of them on The X Factor.
  • (11) The comedian Daniel O’Reilly, who gives laddish advice on how to “pull birds” under the guise of a deliberately provocative character in the ITV2 series, has proved controversial for lines such as “Just show her your penis.
  • (12) Johnson said the attacks were clearly provocations against the police.
  • (13) Esmolol produced slight but statistically significant enhancement of patients' sensitivity to dry air provocation.
  • (14) Drones are not only provocative and illegal in international law but have also led to the killing of many innocent civilians in other countries that has had a serious impact on how the US is perceived in the region.
  • (15) I am not a Muslim but I see that the cover has been read as yet more provocation, even an undoing of the unity of the marches in Paris and other cities.
  • (16) Frequency of sensitivity to foods, preservatives, colouring agents, medical substances, principally shown by provocation tests (the latter present a considerable interest, and merit frequent use); importance of bacterian, mycotic, parasitic origins; little importance of atopy; frequency of minor psychogenic disorders.
  • (17) It was suggested that a positive provocation test is accompanied by an increase in fibrinolytic activity in the circulating blood of patients with focal infection of the tonsil, and the increase in fibrinolytic activity is closely related to the positiveness of the provocation test.
  • (18) Provocation of poliomyelitis occurred in 66% of children and usually followed intragluteal injections associated with treatment of non-specific fevers.
  • (19) Although children with constitutional delay of growth are believed to have no medical or endocrine abnormality to explain their short stature, some controversy regarding their growth hormone secretory status has recently surfaced; some authors have reported low growth hormone levels to provocative stimuli and decreased growth hormone secretion during sleep, as well as low somatomedin C values in some children with constitutional delay of growth.
  • (20) Some women attended the protest wearing jeans and T-shirts, while others took the mission of reclaiming the word "slut" – one of the stated objectives of the movement – more literally and turned out in overtly provocative fishnets and stilettos.