Question:
Posterior epistaxis occurs from which of the following?
Posterior epistaxis occurs from which of the following?
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Posterior bleed = Woodruff's plexus; anterior bleed = Little's area/Kiesselbach.
Updated On: Jun 24, 2026
- Woodruff's plexus
- Kiesselbach's plexus
- Atherosclerosis
- Little's area
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The Correct Option is A
Solution and Explanation
Step 1: Epistaxis is classified by site. Anterior bleeds arise from the front of the nasal septum, while posterior bleeds arise from the back of the nasal cavity, usually below the posterior end of the inferior turbinate.
Step 2: Posterior epistaxis comes from Woodruff's plexus (also called the woodruff naso-nasopharyngeal plexus), a venous plexus located in the posterior part of the inferior meatus and lateral nasal wall. This makes option (a) correct.
Step 3: Kiesselbach's plexus lies in Little's area on the antero-inferior part of the nasal septum and is the source of anterior epistaxis. Options (b) and (d) both point to the anterior source, so they are wrong for a posterior bleed.
Step 4: Atherosclerosis is a risk factor for bleeding in elderly hypertensive patients but is not an anatomical bleeding site, so option (c) is not the answer.
Step 2: Posterior epistaxis comes from Woodruff's plexus (also called the woodruff naso-nasopharyngeal plexus), a venous plexus located in the posterior part of the inferior meatus and lateral nasal wall. This makes option (a) correct.
Step 3: Kiesselbach's plexus lies in Little's area on the antero-inferior part of the nasal septum and is the source of anterior epistaxis. Options (b) and (d) both point to the anterior source, so they are wrong for a posterior bleed.
Step 4: Atherosclerosis is a risk factor for bleeding in elderly hypertensive patients but is not an anatomical bleeding site, so option (c) is not the answer.
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