Which item is used to absorb low-energy x-rays that have little penetrating power?

A 44-year-old male is experiencing chest pain. He has a history of angina and is prescribed nitroglycerin, which he has not taken yet. He is also taking another medication. Which of the following contraindicates the administration of nitroglycerin?

A) Coumadin B) Levitra C) Methadone D) Albuterol

The flexible parts of your nose and ears are made of ________

A) spongy bone B) synovium C) cartilage D) bone marrow