NU673 Unit 15 DQ 1: commitment and duty to warn
For a psychiatric evaluation in which the patient states a plan to kill his wife and himself tonight and has a gun in his car, discuss informed consent, whether he meets involuntary commitment criteria in your state, whether to warn his wife, what resources to involve, and his suicide risk profile.
Editorial process
Last reviewed · August 14, 2026
Consent has limits, and this case is standing on one
The first question is not the throat-clearing it looks like. Informed consent in psychiatric-mental health treatment matters here precisely because this case is about its limits: consent requires disclosure of the nature and risks of treatment, of alternatives, and — critically — of the boundaries of confidentiality, which is what a clinician relies on when those boundaries are crossed. Dale signed a consent for treatment, and a properly obtained consent will already have told him that confidentiality ends where there is a serious threat of harm to himself or an identifiable other. Say that, because it turns the third question from a dilemma into an application. Note too that capacity is decision-specific and that severe depression can impair it without removing it, and that consent is a continuing process rather than a signature obtained once at the front door of a busy outpatient psychiatric clinic.
Then work the case in the order the prompt sets. Commitment: Dale almost certainly meets the substantive criteria — a mental illness plus danger to self and to others, with a stated plan, a named target, a tonight timeframe and the means in his car — and your answer must then say what YOUR state requires, who may initiate the hold, for how long, and whether a psychiatric nurse practitioner is among the professionals authorised to do so, because that varies. Warning: this is the Tarasoff line, and in most jurisdictions an identifiable victim plus a serious threat produces a duty to warn or protect that overrides confidentiality; the safest execution is warning and notifying police, not choosing between them. Resources: police, crisis services, the receiving facility, 988, firearm removal and family support. Risk: a plan with means to hand is among the strongest short-term predictors, and add the compounding factors — male, recent separation, hopelessness, firearm access — with evidence.
Likely learning objectives
Inferred from the brief — check these against your own rubric.
- 01Explain informed consent in mental health care, including the limits of confidentiality.
- 02Apply state involuntary commitment criteria and identify who may initiate a hold.
- 03Apply the duty to warn or protect where an identifiable victim exists.
- 04Assess short-term suicide and homicide risk from plan, means and compounding factors.
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Review every instruction before using the planning guidance that follows.
Course-wide instructions that accompany this question
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Turn the brief into deliverables
- 01The importance of informed consent in psychiatric-mental health treatment.
- 02Whether Mr Knox meets involuntary commitment criteria, and why.
- 03The commitment process in your state and whether a PMHNP may initiate it.
- 04Whether to notify Mrs Knox or protect confidentiality, and on what authority.
- 05Additional resources for the patient and his family.
- 06The prevalence of suicide with a plan and means, and this patient's risk factors.
Consent, commitment, warning, resources, risk
Informed consent, and its limits
Disclosure, capacity, continuing process, and the confidentiality exception.
Does he meet commitment criteria?
Mental illness plus danger to self and others; plan, target, timeframe, means.
The process in your state
Who initiates, on what form, for how long, and whether a PMHNP may.
The duty to warn
Identifiable victim, serious threat, warn and protect, notify police.
Resources for patient and family
Crisis services, 988, receiving facility, firearm removal, family support.
Risk stratification
Plan with means, separation, hopelessness, male sex, firearm access.
The legal authorities this case turns on
Recommended databases
- StatPearls, NCBI Bookshelf
- Your state statute and board of nursing
- NIMH
- PubMed Central
Search sequence
- 1.Read the duty-to-warn entry and note which jurisdictions mandate versus permit.
- 2.Find your state's civil commitment statute and who may initiate an emergency hold.
- 3.Check whether an advanced practice nurse is an authorised initiator there.
- 4.Read the current suicide-risk evidence on plan, means and firearm access.
- 5.Draft the safety plan before writing the ethical discussion.
Reference shortlist
These are authoritative starting points, not a ready-made bibliography. A qualified reviewer must confirm that each source fits the assignment and supports the claim beside which it is cited.
Nothing here is cleared for citation until you have read it.
- 01
Duty to Warn
StatPearls, NCBI Bookshelf · 2023
Tarasoff and the state-by-state variation between mandatory and permissive duties.
- 02
Informed Consent
StatPearls, NCBI Bookshelf · 2023
The elements of consent, capacity, and the disclosure of confidentiality limits.
- 03
Suicide Prevention
National Institute of Mental Health · 2025
Risk factors and warning signs, and the evidence on means restriction.
- 04
Stanley-Brown Safety Plan
Suicide Prevention Resource Center, University of Oklahoma · 2021
The intervention to name when the prompt asks for additional resources.
Review before submission
Common mistakes
- Treating the confidentiality question as an unresolvable ethical dilemma.
- Answering the commitment question without naming a state or its statute.
- Assuming every state permits a PMHNP to initiate a hold.
- Warning the wife but not contacting law enforcement.
- Ignoring the firearm, which is the single most modifiable element here.
- Giving a suicide-risk answer with no cited prevalence or risk factors.
Submission checklist
- Consent is discussed including the limits of confidentiality.
- Commitment criteria are applied to the facts of this case.
- A named state's process and authorised initiators are described.
- The duty to warn is grounded in case law or statute.
- Firearm access is addressed explicitly.
- Risk factors are supported with peer-reviewed evidence in APA format.
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Aaron Bishop
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