# The anticoagulation service reviews six clients taking warfarin. Match each situation to the expected reversal plan.

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=393411&lang=en  
> language: en  
> subject: Expected Actions/Outcomes  
> category: PPT

## Question

The anticoagulation service reviews six clients taking warfarin. Match each situation to the expected reversal plan.

|  | Hold warfarin and recheck INR | Hold warfarin and give oral vitamin K as prescribed | Give IV vitamin K plus 4-factor PCC urgently |
| --- | --- | --- | --- |
| INR 5.6; no bleeding; stable examination; no special high-risk feature identified |  |  |  |
| INR 8.2; no bleeding; stable examination; reliable follow-up is available |  |  |  |
| INR 11.8; no bleeding; stable examination |  |  |  |
| INR 14.6; no bleeding; stable examination |  |  |  |
| INR 3.2 with CT-confirmed intracerebral hemorrhage and new unilateral weakness |  |  |  |
| INR 4.7 with suspected retroperitoneal bleeding, hypotension, and falling hemoglobin |  |  |  |

## Explanation

For INR 4.5 to 10 without bleeding and without a special high-risk indication, warfarin is held and the INR is followed; routine vitamin K is generally not required. INR above 10 without bleeding calls for holding warfarin and giving oral vitamin K as prescribed. Major or critical-site bleeding requires immediate interruption, IV vitamin K, and rapid factor replacement with 4-factor PCC; the bleeding emergency outweighs the absolute INR value.

## In-depth explanation

Correct Answer
Rows 1 and 2 use hold-and-recheck; rows 3 and 4 add oral vitamin K; rows 5 and 6 require IV vitamin K plus 4-factor PCC.

Why It Fits
The INR measures anticoagulant intensity, but active major bleeding determines urgency and route. PCC acts quickly while vitamin K provides sustained reversal.

Clinical Picture
An intracranial bleed or hemodynamically significant internal bleed is an emergency even when the INR is lower than a nonbleeding client's INR.

Memory Link
No bleed: use the INR tier. Major bleed: reverse now with fast factors plus durable vitamin K.

NCLEX Rule
Prioritize bleeding site and instability over the number alone, and pair rapid factor replacement with IV vitamin K for major bleeding.

Why the Alternatives Fail
Oral vitamin K is too slow for critical bleeding, and holding warfarin alone cannot provide immediate factor replacement. PCC is not routinely required for an asymptomatic INR elevation.

Sources
1AHA/ASA Intracerebral Hemorrhage Guideline
2ACC Anticoagulant-Related Bleeding Consensus
32026 NCLEX-RN Test Plan

## Clinical scenario

Assume the INR values are confirmed, no urgent procedure is planned, and no additional anticoagulant is present. Use bleeding severity and INR together.

## Key concepts

- **4F-PCC** — 4-factor prothrombin complex concentrate (II, VII, IX, X) for warfarin reversal in major bleeding.
- **vitamin K** — Cofactor for synthesis of clotting factors II, VII, IX, X reversed by warfarin.
- **supratherapeutic INR** — INR above intended therapeutic range increasing bleeding risk.

## Related questions

- [Stage 2 — Analyze cues. For each finding, select the single role it plays in the current D…](https://mymerci.kr/pages/nclex_q.php?qn_id=372657&lang=en)
- [Stage 4 — Generate solutions. Review the confirmed DKA findings in the EHR. Which interven…](https://mymerci.kr/pages/nclex_q.php?qn_id=372659&lang=en)
- [Stage 5 — Take action. Arrange the major DKA protocol decision points from initial treatme…](https://mymerci.kr/pages/nclex_q.php?qn_id=372660&lang=en)
- [Stage 6 — Evaluate outcomes. Review the 6-hour trend and select the best interpretation an…](https://mymerci.kr/pages/nclex_q.php?qn_id=372661&lang=en)
- [Place the actions in order after a postoperative client coughs and abdominal organs protru…](https://mymerci.kr/pages/nclex_q.php?qn_id=395474&lang=en)
- [A client with acute heart failure received intravenous furosemide for pulmonary congestion…](https://mymerci.kr/pages/nclex_q.php?qn_id=522681&lang=en)
- [A 74-year-old client with dysphagia after a stroke has a speech-language pathology order f…](https://mymerci.kr/pages/nclex_q.php?qn_id=617291&lang=en)
- [Stage 1 — Recognize cues. A 42-year-old client is evaluated in the emergency department. R…](https://mymerci.kr/pages/nclex_q.php?qn_id=617307&lang=en)

## Read in another language

- [en](https://mymerci.kr/pages/nclex_q.php?qn_id=393411&lang=en)
- [ko](https://mymerci.kr/pages/nclex_q.php?qn_id=393411&lang=ko)
- [ja](https://mymerci.kr/pages/nclex_q.php?qn_id=393411&lang=ja)
- [zh-TW](https://mymerci.kr/pages/nclex_q.php?qn_id=393411&lang=zh-tw)
- [vi](https://mymerci.kr/pages/nclex_q.php?qn_id=393411&lang=vi)

---

More free questions: [NCLEX-RN Practice](https://mymerci.kr/pages/nclex_bank.php?lang=en)

_For study reference only. Always follow current clinical guidelines and your institution’s protocols._

