What is an apparent change in the frequency of sound or light waves known as?
A) ultrasonography
B) photosonography
C) doppler effect
C
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Answer the following statements true (T) or false (F)
1. An infarct is a fatty deposit of lipids in an artery. 2. A sphygmomanometer is commonly called a blood pressure cuff. 3. Orthostatic hypotension is the sudden rise in blood pressure when a person stands up. 4. A stethoscope is used for auscultation. 5. An infarct is an abnormal heart sound.
Which of the following is true for cross-reactions? They
a. can hurt us because they can be related to autoimmune disease b. are the reason that we have anti-A or anti-B red blood cell antibodies c. cause the need for a very specific assay for HCG for pregnancy testing d. are used in vaccines e. can do all of the above
What important aspect of health does the L?kahi Wheel depict?
A. prevention education
B. a drug-free lifestyle
C. the maintenance of "balance"
D. a nutritional diet
Obesity is not increasing in low-income developing countries
Indicate whether the statement is true or false