2031. Coronary heart disease is most often found in persons suffering from:
C. High blood pressure *
D. Low blood pressure
2032. As a person becomes older, is blood pressure generally?
A. Increases *
C. Remains the same
D. None of above
2033. Roentgen rays are :
A. Alpha rays
B. Sun rays
C. Electromagnetic rays
D. X-Rays *
2034. Sound travels in water than in air :
A. Much faster *
B. Much slower
C. At no difference
D. None of the above
2035. What is an Echo?
A natural occurrence that cannot be explained
B. A repetition of one’s own voice
C. A sound repeated by reflection *
D. The proof that dead energy that is produced
2036. Kinetic energy is the energy that is produced by the fact of :
A. Nuclear explosion
B. Human effort
C. Any movement of an object *
D. Water power
2037. Can you identify the researcher who first experimented with gravity? The gravitational laws came much later:
C. Galileo *
2038. Which of the following happens when a body is charged positively ?
A. It receives some outside electrons and
B. It receives some outside protons
C. Some electrons escape from it *
D. Some protons escape from it
2039. A clear sky is blue because ?
A. Red light is scattered more than blue
B. Ultra violet light has been absorbed
C. Blue light is more dispersed than red light *
D. Blue light has been absorbed
2040. In which of the following units is magnetic intensity expressed ?
C. Oersted *