What's the difference between mandatory and optional?

Mandatory


Definition:

  • (a.) Containing a command; preceptive; directory.
  • (n.) Same as Mandatary.

Example Sentences:

  • (1) It can also solve a lot of problems – period.” However, Trump did not support making the officer-worn video cameras mandatory across the country, as the Democratic frontrunner Hillary Clinton has done , noting “different police departments feel different ways”.
  • (2) Thus neither the presence of changes in RS-T segment or T wave nor the absence of QRS changes are mandatory for the diagnosis of SEMI; this invalidates the common assumption that the diagnosis is not justified unless these conditions are met.
  • (3) With improved monitoring, the use of smaller, more flexible endoscopes, and more experience, routine general anesthesia in children less than 3 years of age, as recommended in the past, may not be mandatory.
  • (4) Results of venous thrombectomies are particularly astonishingly good in phlegmasia coerulea and it is therefore mandatory to transfer all fresh cases of thrombosis of the deep veins of the peelvis and lower extremities to an angiologic center in order to differentiate cases for fibrinolytic therapy, from those which require surgical intervention.
  • (5) Additional criteria such as diagnosis by culture are, therefore, mandatory.
  • (6) Fast surgical intervention is mandatory to prevent myocardial infarction or to limit the extent of injury.
  • (7) The cooperation between physiatrist and gynecologist is mandatory.
  • (8) If LTP is to be effective, thorough coagulation with tender blanching effects is mandatory.
  • (9) Policies recommending quarantine, isolation, mandatory testing of certain populations, and vigorous public education are explored.
  • (10) Both groups received ventilatory management involving intermittent mandatory ventilation.
  • (11) Most of these patients were managed without paralysis using intermittent mandatory ventilation and positive-end expiratory pressure (PEEP).
  • (12) Adam Suckling, the corporate affairs director of News Corp Australia, said the provision should be considered alongside mandatory data retention and other security legislation that had passed the parliament in the past year.
  • (13) A close post-operative follow-up is mandatory, since most of the failures were caused by loss of the Jones' tube.
  • (14) However, because the potential exists for recurrence of the cardiac tumor, for enlargement of the cerebral lesions, or for late development of cerebral lesions, long term follow-up is mandatory and a vigorous work-up must be pursued if the patient again becomes symptomatic or develops central nervous system manifestations for the first time.
  • (15) In October 2014 an Aboriginal woman died while being detained for mandatory alcohol treatment .
  • (16) Since the importation of toxin-producing diphtheria bacteria is unavoidable and may occur at all times, universal active immunisation in childhood, as well as timely revaccination of adolescents and adults, are mandatory prophylactic measures to prevent new epidemics.
  • (17) Relief of the increased intrapericardial pressure is mandatory to establish adequate cardiac output.
  • (18) To offer these individuals the optimum result, it is mandatory to have close liaison with an orthodontic colleague.
  • (19) Two interview surveys were conducted with AFDC and HR (general assistance) Medicaid eligibles, the first under the fee-for-service system servicing the Medicaid population, and the second 18 months after the introduction of a mandatory, prepaid managed care system for Medicaid beneficiaries.
  • (20) However, aortography is mandatory for complete preoperative evaluation.

Optional


Definition:

  • (a.) Involving an option; depending on the exercise of an option; left to one's discretion or choice; not compulsory; as, optional studies; it is optional with you to go or stay.
  • (n.) See Elective, n.

Example Sentences:

  • (1) Meanwhile Bradley Beal has developed into a dangerous second option and complementary sidekick in exactly the same way that Dion Waiters hasn't for the Cleveland Cavaliers.
  • (2) With attention to proper performance and patient selection, spinal and epidural anaesthesia are safe and efficacious options when choosing anaesthetic technique.
  • (3) Chris Pavlou, former vice chairman of Laiki, told Channel 4 news that Anastasiades was given little option by the troika but to accept the draconian terms, which force savers to take a hit for the first time in the fifth bailout of a eurozone country.
  • (4) By using these larger catheters, the surgeon will not lose the option of using isosmotic preparations.
  • (5) The dumplings could also be served pan-fried in browned butter and tossed with a bitter leaf salad and fresh sheep's cheese for a lighter, but equally delicious option.
  • (6) Proper treatment of postoperative atelectasis requires adequate patient assessment and knowledge of the therapeutic options.
  • (7) We know that from the rapid take up of crowd funded renewables investors are actively looking for a more secure option.
  • (8) Steps in the decision-making process, as well as options to be considered, are detailed.
  • (9) RF ablation appears to be a safe and effective therapeutic option for drug-resistant ectopic atrial tachycardia and may be the preferred first-line therapy for those patients with depressed ventricular function.
  • (10) Endoscopic coagulation is a useful adjunct in the treatment of this condition, and is safe, effective, and leaves other options open.
  • (11) The main benefit of the newer drugs is that they offer new options for the treatment of patients who cannot tolerate side effects of the traditional drugs or have responded unsatisfactorily to them.
  • (12) Available evidence suggests that the medical outcome between these two options is similar; this study was designed to investigate selected psychosocial outcomes.
  • (13) The literature is reviewed with respect to treatment options and prognostic factors.
  • (14) The protein variation potentially includes N-terminal differences coded for by transcript-specific 5' exons and internal differences arising from the optional inclusion of a 39 base-pair exon and from the alternative use of two 3' splice sites separated by six base-pairs.
  • (15) This study investigates neophyte student nurses' attitudes to working with the elderly through placing them in relation to attitudes to other nursing career options and by exploring student nurses' reasons for such attitudes.
  • (16) Alternative management options, 6 month mortality and costs for the post-myocardial infarction patient were compared.
  • (17) 'don't know' options) students were able to increase their score significantly and the rank order of the students in class is changed.
  • (18) Another feature of TWINAN90 is the optional output of a pedigree file which can be read by the quantitative genetics package FISHER.
  • (19) Procurement has already brought down prices in foster care significantly in recent years, so differences between the costs of placement options may now be marginal.
  • (20) Operative decompression is in most cases the only therapeutic option.