Never have a patient sign consent after receiving sedating medication; the consent is invalid.
Before you read
Test yourself first: 5 questions
Question 1 of 5
A non-English-speaking client is scheduled for a procedure requiring informed consent. Which action best ensures the consent is valid?
Answer: B. Valid informed consent requires that the client understand the information. For a client with limited English proficiency, a qualified medical interpreter, not a family member or untrained staff, should be used so the provider's explanation is accurately conveyed. Consent obtained without true understanding is not legally valid.
Question 2 of 5
Informed consent is invalid if the client:
Answer: B. Consent is invalid if the client is not competent, is impaired (sedated/intoxicated), did not receive adequate information, or was coerced. A calm, informed adult who asks questions can consent.
Question 3 of 5
Before a procedure, the nurse confirms informed consent. Which is the nurse's responsibility?
Answer: B. Obtaining informed consent (explaining the procedure, risks, benefits, alternatives) is the provider's duty. The nurse witnesses the signature and verifies the client understands — and notifies the provider if they do not.
Question 4 of 5
An unconscious client arrives in the emergency department after a motor vehicle crash and requires emergency surgery to survive. No family is available. What ethical-legal principle allows treatment to proceed?
Answer: B. Implied consent applies in a life-threatening emergency when the client cannot consent and no surrogate is available; it is assumed a reasonable person would want lifesaving care. This differs from informed, express, or proxy consent, which require communication with the client or an authorized representative.
Question 5 of 5
A nurse is preparing a client for transfer to the operating room. Which item on the preoperative checklist must be completed before transport?
Answer: A. A signed informed consent must be on the chart before the client is transported to surgery. The nurse verifies the consent is signed, witnessed, and matches the planned procedure, along with confirming identification, allergies, and that ordered preoperative tasks are complete.
Keep the streak going with more questions like these, each with a full rationale.
What is informed consent?
It is the PROVIDER'S legal duty to obtain it; the nurse only witnesses the signature and confirms it was informed. The principle protects patient autonomy and the right to self-determination.
Key points to remember
- The physician/provider performing the procedure is legally responsible for explaining the procedure, risks, benefits, and alternatives.
- The nurse's role is to witness the signature, confirm the patient understands, and ensure consent is voluntary, not to provide the explanation.
- Valid consent requires a competent adult who is voluntary and fully informed; consent given under sedation or coercion is invalid.
- Emancipated minors, married minors, and minors seeking care for pregnancy, STIs, or substance use may consent for themselves.
- In a true life-threatening emergency where the patient cannot consent, implied consent allows treatment to proceed.
- A patient may withdraw consent verbally at any time, even after signing the form.
- For surgery, the surgeon obtains consent, and it must be signed before any sedating premedication is given.
Nursing priorities
- Verify the consent is signed, dated, and witnessed before sedation or transport to the procedure.
- Assess that the patient can teach back the procedure in their own words; if not, stop and notify the provider.
- If the patient has questions or seems unsure, hold the procedure and contact the provider to re-explain.
- Provide a qualified medical interpreter for non-English-speaking patients before consent is signed.
- Confirm the patient is not impaired by sedatives, opioids, or alcohol at the time of signing.
- Document the consent process and the patient's own description of the procedure.
Patient teaching
- You have the right to ask the provider any question before agreeing to a procedure.
- You can change your mind and withdraw consent at any time, even after signing.
- An interpreter will be provided at no cost if you prefer another language.
Red flags: report now
- Never have a patient sign consent after receiving sedating medication; the consent is invalid.
- Report immediately if the patient does not understand the procedure or expresses a different understanding than what is planned.
- Never coerce, pressure, or sign on behalf of a competent patient who refuses.
References
Clinical references for this topic
