mucus - 2025 ACF Fall - Buzzpoints App

Question

Infection by Helicobacter pylori can lower the pH of this substance, leading to the formation of gastric ulcers. For 10 points each:

[10m] Name this alkaline substance secreted by foveolar cells in the stomach. This slippery substance lines the stomach and protects it from its own acid.

ANSWER: mucus [accept alkaline mucus; accept mucous membrane; accept gastric mucosa]

[10h] The maintenance of mucous membranes is supported by niacin and this fat-soluble vitamin. The “all-trans” form of a metabolite of this vitamin activates the protein rhodopsin.

ANSWER: vitamin A [accept vitamin A1 or all-trans-retinol; accept all-trans-retinal; accept all-trans-retinoic acid]

[10e] Accumulation of thick mucus in the lungs can result from the impaired secretion of this element’s anion in cystic fibrosis patients. This element and sodium form table salt.

ANSWER: chlorine [or Cl; accept chloride or Cl-]

<Editors, Biology>

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Summary


Southern California	Main	Y	7	17.14	100%	43%	29%
Eastern Canada (2)	Main	Y	9	16.67	100%	33%	33%
Great Lakes	Main	Y	12	21.67	100%	67%	50%
Lower Mid-Atlantic	Main	Y	6	18.33	100%	50%	33%
Upper Mid-Atlantic	Main	Y	12	20.83	100%	67%	42%
Midwest	Main	Y	9	18.89	100%	56%	33%
Northeast	Main	Y	12	15.00	100%	25%	25%
Pacific	Main	Y	9	16.67	100%	44%	22%
Southeast	Main	Y	12	19.17	100%	58%	33%
UK (North)	UK	Y	5	18.00	100%	20%	60%
UK (South)	UK	Y	8	16.25	100%	63%	0%
Upstate NY	Main	Y	5	20.00	100%	100%	0%

Data


UCSD A	Claremont B	10	10	10	30
Claremont A	UC Santa Barbara	10	0	10	20
UCLA F	UCLA A	0	0	10	10
UCLA C	UCLA D	10	10	10	30
UCLA E	Claremont C	0	0	10	10
UCLA B	UCSD B	0	0	10	10
USC A	UC Irvine	0	0	10	10
Waterloo B	Guelph A	10	0	10	20
McMaster A	Toronto C	0	0	10	10
Toronto D	Toronto A	0	0	10	10
Toronto B	Waterloo A	10	10	10	30
Toronto E	Waterloo C	0	10	10	20
Brock A	Toronto F	0	0	10	10
Toronto G	McMaster B	0	0	10	10
Toronto H	McMaster C	0	0	10	10
Queen's A	Toronto I	10	10	10	30
Michigan B	CWRU A	10	10	10	30
Louisville A	Michigan A	10	0	10	20
Ohio State B	Louisville B	10	0	10	20
CWRU C	Louisville D	10	10	10	30
Ohio State A	Michigan C	10	10	10	30
Michigan D	Kentucky	10	0	10	20
CWRU D	Michigan State B	0	0	10	10
Ohio State D	Michigan State D	10	10	10	30
Pittsburgh	Ohio State C	0	0	10	10
Louisville C	WVU A	0	10	10	20
Michigan State C	WVU B	0	0	10	10
Michigan State A	CWRU B	10	10	10	30
JMU A	Duke A	10	0	10	20
Liberty B	Liberty C	0	10	10	20
UNC D	VCU A	0	10	10	20
UNC B	Virginia Tech C	10	0	10	20
Liberty A	William & Mary B	10	0	10	20
Rowan	Rutgers C	0	10	10	20
Stony Brook	Rutgers D	10	0	10	20
Columbia B	Vassar B	10	0	10	20
Rutgers B	Columbia A	10	0	10	20
Maryland A	George Mason A	10	10	10	30
Vassar A	George Mason B	10	0	10	20
George Mason C	NYU C	0	0	10	10
Penn	Johns Hopkins	10	10	10	30
Lehigh B	Princeton	10	0	10	20
Maryland B	Maryland C	10	10	10	30
NYU B	Lehigh A	0	0	10	10
NYU A	Rutgers A	0	10	10	20
JMU B	Tusculum A	0	0	10	10
William Woods University A	Chicago B	10	10	10	30
Illinois Blue	WashU Grizzlers	10	0	10	20
Illinois Urbana	Illinois Canada	0	0	10	10
Rose-Hulman A	Illinois Orange	0	0	10	10
Chicago A	Indiana A	10	0	10	20
Indiana B	Iowa B	0	0	10	10
Purdue A	Purdue B	10	10	10	30
WashU Grolars	Purdue C	0	0	10	10
Illinois Champaign	Iowa A	10	10	10	30
Williams A	Amherst A	0	10	10	20
Boston College A	Williams B	0	0	10	10
Brown B	Brandeis Mozart	0	0	10	10
Tufts A	Dartmouth A	0	0	10	10
MIT A	Dartmouth B	10	10	10	30
MIT B	Dartmouth C	0	10	10	20
Southern Connecticut State University A	Amherst B	0	0	10	10
Boston College B	Tufts C	0	0	10	10
Vermont A	Brandeis Bach	10	0	10	20
Brown A	Vermont B	0	0	10	10
Williams C	Brandeis Beethoven	0	0	10	10
Alberta A	Washington Pink	10	0	10	20
British Columbia C	Arizona State B	10	10	10	30
British Columbia A	Washington Sockeye	0	0	10	10
Washington State	British Columbia B	10	0	10	20
Arizona State A	Texas	0	0	10	10
Washington Masu	Washington Atlantic	0	0	10	10
Washington Chinook	Alberta B	0	0	10	10
Washington Chum	Washington Steelhead	10	0	10	20
Boise State	Washington Coho	0	10	10	20
Boston University A	Tufts B	10	0	10	20
Georgia Tech F	Auburn A	10	0	10	20
Emory A	Georgia Tech B	10	0	10	20
Auburn B	Georgia A	10	0	10	20
Vanderbilt A	Georgia Tech A	0	10	10	20
Georgia Tech C	Alabama A	10	0	10	20
Georgia Tech D	Clemson C	0	0	10	10
Tennessee Tech	Georgia Tech E	10	0	10	20
Mississippi State A	Auburn C	0	0	10	10
Clemson B	Sewanne	10	0	10	20
Chipola College	South Carolina A	0	10	10	20
Clemson A	Tennessee A	0	10	10	20
Vanderbilt B	Vanderbilt C	10	10	10	30
Durham A	Durham C	0	10	10	20
Edinburgh A	Edinburgh D	0	0	10	10
Sheffield A	Sheffield B	10	10	10	30
York	Durham B	0	0	10	10
Bristol	Oxford	0	0	10	10
Cambridge B	Cambridge A	10	0	10	20
Cambridge D	Birmingham	10	0	10	20
Imperial A	Imperial B	10	0	10	20
Imperial C	Imperial D	0	0	10	10
LSE	Cambridge E	0	0	10	10
Cardiff	Southampton	10	0	10	20
Cambridge C	Warwick	10	0	10	20
Binghamton A	RIT A	10	0	10	20
Binghamton B	Cornell D	10	0	10	20
ESF	Binghamton C	10	0	10	20
Edinburgh C	Edinburgh B	0	10	10	20
Cornell C	Cornell B	10	0	10	20
Cornell A	RIT B	10	0	10	20