TYK2 - Revision history

WikiSysop at 02:25, 25 September 2026

2026-09-25T02:25:10Z

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	What is the shape of the pediatric (less than 8 years of age) larynx?		What is the shape of the pediatric (less than 8 years of age) larynx?
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About Test Your Knowledge
Category:TYK"

2026-09-25T02:24:57Z

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WikiSysop at 02:24, 25 September 2026

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	D. Torus		D. Torus


	<div class="mw-customtoggle-TYK_Answer" style="text-align: right; color:#0000ff">Click for Answer</div>		<div class="mw-customtoggle-TYK_Answer" style="text-align: right; color:#0000ff">Click for Answer</div>
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	The answer is C. Before you go getting all upset, know that what you have been taught, is incorrect. Historically, it has been believed the pediatric larynx is a funnel shaped with the smallest portion being the cricoid ring. This belief was founded on a paper by Eckenhoff in 1951 <ref>JAMES E. ECKENHOFF, M.D. [http://anesthesiology.pubs.asahq.org/article.aspx?articleid=1971445 SOME ANATOMIC CONSIDERATIONS OF THE INFANT LARYNX INFLUENCING ENDOTRACHEAL ANESTHESIA.] Anesthesiology 7 1951, Vol.12, 401-410.,</ref> in which the larynx was modeled from plaster molds of a cadaveric larynx. More recent studies using two entirely different methodologies in infants and children under general anesthesia, found that the dimensions of the larynx in infants and children are actually more cylindrical than funnel-shaped,<ref>Motoyama, Etsuro K. MD. [http://journals.lww.com/anesthesia-analgesia/Fulltext/2009/05000/The_Shape_of_the_Pediatric_Larynx__Cylindrical_or.6.aspx The Shape of the Pediatric Larynx: Cylindrical or Funnel Shaped?] Anesthesia & Analgesia: May 2009 - Volume 108 - Issue 5 - pp 1379-1381</ref>,<ref>Dalal, Priti G. MD, FRCA*; Murray, David MD†; Messner, Anna H. MD‡; Feng, Angela MD∥; McAllister, John MD¶; Molter, David MD#. [http://journals.lww.com/anesthesia-analgesia/Fulltext/2009/05000/Pediatric_Laryngeal_Dimensions__An_Age_Based.20.aspx Pediatric Laryngeal Dimensions: An Age-Based Analysis.] Anesthesia & Analgesia:May 2009 - Volume 108 - Issue 5 - pp 1475-1479.</ref>, as in adults. These shape seems to be consistent in different ages and does not change significantly with growth.		The answer is C. Before you go getting all upset, know that what you have been taught, is incorrect. Historically, it has been believed the pediatric larynx is a funnel shaped with the smallest portion being the cricoid ring. This belief was founded on a paper by Eckenhoff in 1951 <ref>JAMES E. ECKENHOFF, M.D. [http://anesthesiology.pubs.asahq.org/article.aspx?articleid=1971445 SOME ANATOMIC CONSIDERATIONS OF THE INFANT LARYNX INFLUENCING ENDOTRACHEAL ANESTHESIA.] Anesthesiology 7 1951, Vol.12, 401-410.,</ref> in which the larynx was modeled from plaster molds of a cadaveric larynx. More recent studies using two entirely different methodologies in infants and children under general anesthesia, found that the dimensions of the larynx in infants and children are actually more cylindrical than funnel-shaped,<ref>Motoyama, Etsuro K. MD. [http://journals.lww.com/anesthesia-analgesia/Fulltext/2009/05000/The_Shape_of_the_Pediatric_Larynx__Cylindrical_or.6.aspx The Shape of the Pediatric Larynx: Cylindrical or Funnel Shaped?] Anesthesia & Analgesia: May 2009 - Volume 108 - Issue 5 - pp 1379-1381</ref>,<ref>Dalal, Priti G. MD, FRCA*; Murray, David MD†; Messner, Anna H. MD‡; Feng, Angela MD∥; McAllister, John MD¶; Molter, David MD#. [http://journals.lww.com/anesthesia-analgesia/Fulltext/2009/05000/Pediatric_Laryngeal_Dimensions__An_Age_Based.20.aspx Pediatric Laryngeal Dimensions: An Age-Based Analysis.] Anesthesia & Analgesia:May 2009 - Volume 108 - Issue 5 - pp 1475-1479.</ref>, as in adults. These shape seems to be consistent in different ages and does not change significantly with growth.


	==Notes==		==Notes==
	<references />		<references />
			==Keywords==
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	~~Additional Keywords will be added when available.~~




	<p style="text-align: center;">[[TYK1\|<Prev Question]] --- [[TYK3\|Next Question>]]</p>		<p style="text-align: center;">[[TYK1\|<Prev Question]] --- [[TYK3\|Next Question>]]</p>
	<p style="text-align: center;">[[TYK About \| About Test Your Knowledge]]</p>		<p style="text-align: center;">[[TYK About \| About Test Your Knowledge]]</p>
	[[Category:TYK]]		[[Category:TYK]]

WikiSysop at 02:21, 25 September 2026

2026-09-25T02:21:49Z

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	<p style="text-align: center;">[[TYK About \| About Test Your Knowledge]]</p>		<p style="text-align: center;">[[TYK About \| About Test Your Knowledge]]</p>
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WikiSysop at 02:03, 24 September 2026

2026-09-24T02:03:45Z

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	What is the shape of the pediatric (less than 8 years of age) larynx?		What is the shape of the pediatric (less than 8 years of age) larynx?

WikiSysop: 1 revision imported

2021-03-05T02:34:38Z

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metawikimedia>DrBobGreenberg at 17:10, 5 August 2015

2015-08-05T17:10:14Z

New page

__NOTOC__
What is the shape of the pediatric (less than 8 years of age) larynx?

A. Funnel Shaped

B. Hexagonal

C. Cylindrical

D. Torus

<div class="mw-customtoggle-TYK_Answer" style="text-align: right; color:#0000ff">Click for Answer</div>
<div class="mw-collapsible mw-collapsed" id="mw-customcollapsible-TYK_Answer">
==Answer==

The answer is C. Before you go getting all upset, know that what you have been taught, is incorrect. Historically, it has been believed the pediatric larynx is a funnel shaped with the smallest portion being the cricoid ring. This belief was founded on a paper by Eckenhoff in 1951 <ref>JAMES E. ECKENHOFF, M.D. [http://anesthesiology.pubs.asahq.org/article.aspx?articleid=1971445 SOME ANATOMIC CONSIDERATIONS OF THE INFANT LARYNX INFLUENCING ENDOTRACHEAL ANESTHESIA.] Anesthesiology 7 1951, Vol.12, 401-410.,</ref> in which the larynx was modeled from plaster molds of a cadaveric larynx. More recent studies using two entirely different methodologies in infants and children under general anesthesia, found that the dimensions of the larynx in infants and children are actually more cylindrical than funnel-shaped,<ref>Motoyama, Etsuro K. MD. [http://journals.lww.com/anesthesia-analgesia/Fulltext/2009/05000/The_Shape_of_the_Pediatric_Larynx__Cylindrical_or.6.aspx The Shape of the Pediatric Larynx: Cylindrical or Funnel Shaped?] Anesthesia & Analgesia: May 2009 - Volume 108 - Issue 5 - pp 1379-1381</ref>,<ref>Dalal, Priti G. MD, FRCA*; Murray, David MD†; Messner, Anna H. MD‡; Feng, Angela MD∥; McAllister, John MD¶; Molter, David MD#. [http://journals.lww.com/anesthesia-analgesia/Fulltext/2009/05000/Pediatric_Laryngeal_Dimensions__An_Age_Based.20.aspx Pediatric Laryngeal Dimensions: An Age-Based Analysis.] Anesthesia & Analgesia:May 2009 - Volume 108 - Issue 5 - pp 1475-1479.</ref>, as in adults. These shape seems to be consistent in different ages and does not change significantly with growth.

==Notes==
<references />

</div>

==Keywords==

Additional Keywords will be added when available.

<p style="text-align: center;">[[TYK1|<Prev Question]] --- [[TYK3|Next Question>]]</p>
<p style="text-align: center;">[[TYK About | About Test Your Knowledge]]</p>

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