Chapter 12: Heart

Chapter 12: Heart

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

MULTIPLE CHOICE

1. Which of the following vascular tumors is classified as an intermediate grade (low-grade malignant) neoplasm?
2. Capillary hemangioma
3. Lymphangioma
4. Hemangioendothelioma
5. Angiosarcoma
6. Glomus tumor

ANS: C, Capillary hemangioma, lymphangioma, and glomus tumor are benign vascular tumors; angiosarcoma is a malignant tumor, whereas hemangioendotheliomas are low- grade malignant tumors classified as intermediate grade.

2. Bacillary angiomatosis is typically found in AIDS patients and is caused by
3. herpesvirus type 8
4. herpesvirus type 3
5. herpesvirus type 6
6. Bartonella henselae
7. measles virus

ANS: D, Bacillary angiomatosis is caused by Bartonella henselae. The pathogenesis of these vascular lesions is not known.

3. Stable angina, the most common form of angina pectoris, is caused by
4. stenosis of coronary arteries
5. lipid-rich atheromas
6. ruptured atheromas
7. thrombi overlying partially ruptured atheromas
8. no pathologic changes in the coronary arteries

ANS: A, Stable angina is caused by fixed coronary artery stenosis, usually with a narrowing of the lumen of over 75%.