A 67-year-old man has been discovered dead in his house. The reason of death is unknown; he had a history of hypertension and had a myocardial infarction a year before. An autopsy is carried out. A physical examination of the heart reveals white scarring and left ventricle enlargement. Below are histologic results from a portion of the left ventricle. The type of collagen seen in the autopsy sample is most likely to be extensively found in which of the following normal body tissues?

Question

A 67-year-old man has been discovered dead in his house. The reason of death is unknown; he had a history of hypertension and had a myocardial infarction a year before. An autopsy is carried out. A physical examination of the heart reveals white scarring and left ventricle enlargement. Below are histologic results from a portion of the left ventricle.  The type of collagen seen in the autopsy sample is most likely to be extensively found in which of the following normal body tissues?

Quizplus · Accepted Answer

Eductional Objective: In developed scars, type I collagen is the main collagen (eg, remote myocardial infarction). It is the most common kind of collagen and is found throughout the human body, notably in bones, tendons, ligaments, and skin.

A 67-Year-Old Man Has Been Discovered Dead in His House