34. Which of the following is NOT a type of lung cancer?

1.The functions of the nasal conchae are to enhance the air turbulence in the cavity and to increase the mucosal surface area exposed to air for greater efficiency.

22. THINK:  Which of the following is an appropriate response to carbon monoxide (CO) poisoning? In other words, if the body has a large amount of CO what would be the best measure to take?

7. The loudness of a person’s voice depends on the ________.        

43. Which is the correct symbol for deoxyhemoglobin?

38. This is a common disorder characterized by the temporary cessation of breathing during sleep.

12. Which of the following is NOT a stimulus for breathing?  

4. Tracheal obstruction is life-threatening.

41. The placenta, a vitally important metabolic organ, is made up of a contribution from mother and fetus. Which portion is from the fetus?        

37. The result of polyspermy in humans is ________.