¶1The Court of Appeals found plain and reversible error in the trial court’s failure to instruct the jury on the degree of mental culpability requisite to a finding of criminal liability under the endangering children statute (R. C. 2919.22).
¶2R. C. 2919.22(B)(2),
¶3As a general rule, a defendant is entitled to have the jury instructed on all elements that must be proved to establish the crime with which he is charged,
¶4In this cause, appellee neither requested an instruction on the element of recklessness nor did he object to the instruction as given. Thus, the Court of Appeals did not properly reverse Adams’ conviction on the basis of the deficient instructions unless the trial court’s error rose to the level of “plain error” and prejudiced the appellee.
¶5We held in State v. Long (1978), 53 Ohio St. 2d 91, paragraph three of the syllabus, that:
¶6“Notice of plain error under Crim. R. 52(B) is to be taken with the utmost caution, under exceptional circumstances and only to prevent a manifest miscarriage of justice.”
¶7*154Consistent with State v. Long, we hold that a trial court’s failure to separately and specifically charge the jury on every element of each crime with which a defendant is charged does not per se constitute plain error nor does it necessarily require reversal of a conviction.
¶8In presenting its case against the appellee, the state called the senior pathologist of the county coroner’s office who had performed an autopsy on the deceased child. He testified that the child, who weighed 19 pounds and was 33 inches tall at the time of his death, had suffered external injuries “which extended literally from his hairline down to his ankles” in the form of contusions (bruises) and abrasions (scrapes). Internally, the child had suffered hemorrhaging and bruising of the right lung, stomach, intestines and brain. In the pathologist’s professional opinion, George 0. Walker, Jr. “died as a result of multiple bruises or impacts to his head, trunk [and] extremities that led to associated internal injuries, shock and death.” One particularly significant injury, a torn adrenal gland, was caused, in the pathologist’s opinion, by “a violent impact to the trunk, either in the form of a powerful blow or a squeeze” greater than could have been suffered as the result of an ordinary fall onto a playground or onto cement. He testified that the child’s injuries were sustained over a period of at least several days and that, although none of the individual injuries would necessarily have caused death, the cumulative effect of the injuries was more than the boy’s body could tolerate.
¶9The pathologist testified further that some of the child’s abrasions could have been inflicted by fingernails or resulted *155from a fall. He testified that either an adult man or woman was capable of inflicting the injuries. The pathologist’s descriptions of the child’s injuries and his conclusions as to the cause of death were not controverted by the defense.
¶10On the basis of this undisputed expert medical testimony and photographs of the child’s body (which were admitted in evidence), the jury could only have come to the conclusion that the child was subjected to severe and repeated beatings by some person or persons. The defense presented no evidence which could support a theory that the injuries were caused by mere criminal negligence. On the contrary, the state’s proof of the brutal nature of the boy’s injuries support the conclusion that the person inflicting even some of the injuries would necessarily have known that his or her actions would risk causing serious physical harm to a 2 V2 year old child.
¶11Thus, on this record and in the absence of a specific request for an instruction on the element of culpability, it cannot be said that a manifest injustice may have been worked on the appellee by the trial court’s failure to instruct the jury on the essential element of recklessness. The Court of Appeals erred in holding that failure to be plain error and in reversing the conviction on that ground.
¶12The Court of Appeals found separate reversible error in the trial court’s calling of Renia Sartors as a court’s witness.
¶13*156The prosecutor presented his request that Renia Sartors be called as a court’s witness out of the presence of the jury. He represented to the court that “there is a witness* … Renia Sartors,” that in the past she had made “approximately three statements, and that there are items in those statements which are in conflict.
¶14The defense promptly objected to the prosecution’s request that the court call Sartors as a court’s witness on the basis that such a “highly irregular” procedure would “in essence give the jury the feeling that the court is taking sides in this issue.” Sartors was called to the courtroom, still out of the presence of the jury. The court determined from the potential witness and her counsel that no “deal” with the prosecution had been struck for her testimony. The court assured itself that her testimony would be given freely and voluntarily, in full knowledge of her rights. Sartors was thereafter called as a witness before the jury by the court and asked a short series of questions (her name, knowledge of her son’s death, and her discovery of it). The court then allowed both prosecution and defense the opportunity to cross-examine.
¶15The Court of Appeals recognized that a trial court has the inherent power in its discretion to call an individual as a witness of the court. It held, however, that “because of the great potential for prejudice, absent special circumstances which should be placed in the record, the general rule must be that the court should not call a witness.”
¶16*157We are not in total disagreement with the general rule formulated by the Court of Appeals. Unlike the Court of Appeals, however, we do not believe that the trial court’s action in calling Sartors constituted an abuse of discretion nor that it constituted grounds for reversing Adams’ conviction and remanding the cause for a new trial.
¶17Under Ohio common law rules of evidence, the prosecution, had it called Sartors, would have been deemed to have “vouched” for her credibility and could not thereafter have impeached her.
¶18Appellee concedes that a trial court has the power to call ■witnesses in the exercise of a sound discretion.
¶19The term “abuse of discretion” connotes more than an error of law or of judgment; it implies that the court’s attitude is unreasonable, arbitrary or unconscionable. Steiner v. Custer (1940), 137 Ohio St. 448; Conner v. Conner (1959), 170 Ohio St. *15885; Chester Township v. Geauga Co. Budget Comm. (1976), 48 Ohio St. 2d 372.
¶20At the point in the trial when the trial court was faced with the prosecution’s request that Sartors be called as a court’s witness, the state had established a prima facie case against the appellee.
¶21“[I]n modern criminal trials, defendants [as well as prosecutors] are rarely able to select their witnesses: they must take them where they find them.” Chambers v. Mississippi (1973), 410 U. S. 284, 296. The court, at the time it was faced with the prosecution’s request, had in addition to the prosecutor’s representation of prior conflicting statements, information that the appellee had lived as a partner in the potential witness’ household (indicating a possible predisposition towards the appellee), but also that the witness was a co-defendant awaiting trial and willing to testify at her former household partner’s trial for the same crime of which she was accused (suggesting a possible motivation to testify against the appellee).
¶22We cannot conclude that the court abused its discretion in refusing to require the state to take its chances on Sartors’ testimony and instead calling her as a witness of the court. Nor did the court act improperly in conducting direct examination from the bench. The court’s examination was short, and it consisted of non-leading questions. It remained for trial counsel to elicit the bulk of her testimony through cross-examination.
¶23Because we find no error in this record justifying reversal *159of the conviction, the judgment of the Court of Appeals must be reversed.
¶24Judgment reversed.
¶25 R. C. 2919.22, in part, provides:
¶26“(B) No person shall do any of the following to a child under eighteen or a mentally or physically handicapped child under twenty-one:
¶27f< * ♦ ♦
¶28“(2) Administer corporal punishment or other physical disciplinary measure, or physically restrain the child in a cruel manner or for a prolonged period, which punishment, discipline, or restraint is excessive under the circumstances and creates a substantial risk of serious physical harm to the child;”
¶29 See, e.g., Miller v. State (1932), 125 Ohio St. 415; United States v. Rybicki (C. A. 6, 1968), 403 F. 2d 599; United States v. Bryant (C. A. 6, 1972), 461 F. 2d 912; United States v. Singleton (C. A. 2, 1976), 532 F. 2d 199; Thomas v. State (Alaska 1974), 522 P. 2d 528; State v. McKeough (Me. 1973), 300 A. 2d 755; Claybrooks v. State (1971), 50 Wis. 2d 79, 183 N. W. 2d 139.
¶30 See Miller v. State, supra; State v. McKeough, supra; Thomas v. State, supra; State v. Griffin (1978), 175 Conn. 155; 397 A. 2d 89; United States v. Bryant, supra.
¶31 Crim. R. 30 provides, in part:
¶32“A party may not assign as error the giving or failure to give any instructions unless he objects thereto before the jury retires to consider its verdict, stating specifically the matter to which he objects and the grounds of his objection* ….”
¶33Crim. R. 52(B) provides:
¶34“Plain errors or defects affecting substantial rights may be noticed although they were not brought to the attention of the court.”
¶35 In so holding we align ourselves with numerous state and federal jurisdictions. See, e.g., Claybrooks v. State, supra; State v. Morgan (1970), 3 Wash. App. 470, 475 P. 2d 923; United States v. Singleton, supra; United States v. Rybicki, supra; United States v. Urbana (C. A. 5, 1969), 412 F. 2d 1081, certiorari denied 400 U. S. 821.
¶36Compare the following cases, holding that failure to charge on an essential element constitutes plain and reversible error per se: Byrd v. United States (C.A.D.C. 1965), 342 F. 2d 939; Merrill v. United States (C. A. 5, 1964), 338 F. 2d 763; State v. Griffin, supra(dictum).
¶37 R. C. 2901.22(C) provides:
¶38“A person acts recklessly when, with heedless indifference to the consequences, he perversely disregards a known risk that his conduct is likely to cause a certain result or is likely to be of a certain nature. A person is reckless with respect to circumstances when, with heedless indifference to the consequences, he perversely disregards a known risk that such circumstances are likely to exist.”
¶39 The prosecutor did not produce the allegedly inconsistent statements for the court’s scrutiny at that time, nor does the record reflect whether the court had previously been presented with them.
¶40 The Court of Appeals identified the following potential consequences of the practice which could result in prejudice to a criminal defendant: (1) the jury may award more deference and credibility to the court witness and consider him more important than other witnesses because he is called by the judge; and (2) the court’s calling of a witness may amount to an abandonment of the impartiality due process demands of a judge. Although these risks of undue prejudice to the appellee might have been mitigated by an appropriate instruction to the jury, the defense requested no such instruction, nor was objection made to its omission.
¶41 Proposed Evidence Rule 607, submitted to the General Assembly on January 14, 1980 (53 Ohio St. Bar Assn. 203, 212), provides, in contrast:
¶42“The credibility of a witness may be attacked by any party except that the credibility of a witness may be attacked by the party calling the witness by means of a prior inconsistent statement only upon a showing of surprise and affirmative damage.…”
¶43For analyses of the impact of the existence of the traditional “voucher” rule on the propriety of the practice of calling court’s witnesses, see Note, Calling of Witnesses by Trial Court Enabling Prosecution to Meet Burden of Production Held Reversible Error, 89 Harv. L. Rev. 1906, 1911 et. seg.; Saltzburg, The Unnecessarily Expanding Role of the American Trial Judge, 64 Va. L. Rev. 1, 71.
¶44 See State v. Weind (1977), 50 Ohio St. 2d 224, at 235-236:
¶45“In jurisdictions that have considered the appropriateness of a trial court calling certain individuals as the court’s own witness, the practice itself has been upheld. See 67 A.L.R. 2d 538. So long as the court maintains its impartiality and does not assume the role of an advocate, such practice does not prejudice the rights of the defendant to a fair and impartial trial.”
¶46See, also, 9 Wigmore on Evidence (3 Ed.), Section 2484; McCormick on Evidence (2 Ed.), Section 8.
¶47 Cf. United States v. Karnes (C. A. 4, 1976), 531 F. 2d 214.