Which deficiency in DNA repair mechanisms is associated with HNPCC aka Lynch syndrome? 2. What does this cause?

🎲 Try a Random Question | Total Questions in Quiz: 193 | 🧠 Study this quiz with Flashcards

This question is part of a full practice quiz:

USMLE Gastrointestinal System Question Bank — practice the complete quiz, review flashcards, or try a random question.

🧠 Flashcards (fast review) 🧪 Practice Quiz ⚔️ Challenge a Friend 🥊 📊 View Stats

The gastrointestinal tract (GIT) is the system of organs that allows for the consumption and digestion of food, absorption of nutrients, and excretion of waste in the form of fecal matter.

1. Which deficiency in DNA repair mechanisms is associated with HNPCC aka Lynch syndrome? 2. What does this cause?

Give secretin injection; normally would inhibit endogenous gastrin secretion. If it is not inhibited then ZES is most likely.
1. Flushing, diarrhea, triscupid valve stenosis 2. Octreotide 3. It is a somatostatin analog bindsto receptors on tumor and stops serotonin production. 4. High levels of urinary 5-HIAA and serum chromogranin A. 5. Serotonin from liver mets is not metabolized by the liver as tumor secreting serotonin in GIT is.So you get increase serotonin delivery to central venous supply. 6. Lung can break down serotonin
1. Defect in mismatch repair: hMSH2 or hMLH1 2. Microsatellite instability.
'Shigella causes bloody diarrhea, fever, vomiting, abdominal pain. Salmonella enterica tyhpi causes typhoid fever which causes general malaise, cough, headache, bradycardia and ''rose spots'' rash and delirium and it also causes constipation no diarrhea.'

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈 Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

Which deficiency in DNA repair mechanisms is associated with HNPCC aka Lynch syndrome? 2. What does this cause?

❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know? Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.

About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |

Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com