COMPRENSIÓN AUDITIVA I. Preguntas orales. Listen to each question and choose the correct answer. The questions will be repeated twice. Write the letter of your answer in the space provided. (5 pts. = 5 X 1) undefined 1. [BLANK-1]A. Boté la basura.  B. Botamos las latas y el papel.  C. Prefiero el plástico.  D. Sí, ayer boté.  E. Botaron las botellas.  2. [BLANK-2] A. Me duele la garganta.  B. Tomas jarabe.  C. Tomo un antiácido.  D. Sí, me duele mucho la cabeza.  E. Tomo una aspirina.  3. [BLANK-3] A. Tú vas a comprar un boleto.  B. Necesito mi pasaporte.  C. Tienes el pasaporte.  D. Les gusta viajar al extranjero.  E. Es necesario traer una tarjeta postal.  4. [BLANK-4] A. Sí, reciclo todos los días.  B. Reciclas cajas de cartón.  C. Reciclabas papel todos los días.  D. Reciclé el plástico.  E. Reciclo el periódico.  5. [BLANK-5] A. Tomas medicina.  B. Voy al médico.  C. La enfermera me dio unas pastillas.  D. Compras medicina en la farmacia.  E. Me duele la garganta. 

25. A student says all veins carry deoxygenated blood. Which correction is best?

40. During hemorrhage, why would constriction of veins help?

4. If a valve prevents blood from flowing back into the right ventricle from the pulmonary trunk, which valve is it?

50. Which statement best explains the difference between pulmonary and systemic circuits?

13. A vessel has valves and carries blood at low pressure back toward the heart. What is it most likely?

45. Which component comes immediately after the AV node in the normal conduction pathway?

41. Which organ pair is noted as holding large volumes of blood?

30. Which event happens after atrial systole in a typical cardiac cycle?

44. Which component of the conduction system fires first in the normal pathway?