Which of the following statements about carotid body tumors are true?
A. Cells from which carotid body tumors arise normally sense changes in systemic blood pressure.
B. Most carotid body tumors are malignant and usually metastasize to the ipsilateral cerebral hemisphere.
C. Carotid body tumors are extremely vascular.
D. Carotid body tumors most frequently present as a palpable, painless mass at the carotid bifurcation.
Answer:C
Which of the following statements about carotid body tumors are true?
A. Cells from which carotid body tumors arise normally sense changes in systemic blood pressure. B. Most carotid body tumors are malignant and usually metastasize to the ipsilateral cerebral hemisphere. C. Carotid body tumors are extremely vascular. D. Carotid body tumors most frequently present as a palpable, painless mass at the carotid bifurcation.