Mike is measuring sound waves as they travel through different materials. Which of the following will Mike find to be true about sound waves? 1. They travel the fastest through solids.
2. They travel the fastest through gases.
3. They travel more slowly in solids than in liquids.
4. They will speed up as they travel from a solid to the air.

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.