Which changes do NOT take place in the respiratory system with aging?
A. The respiratory rate increases.
B. The diaphragm and intercostal muscles lose strength.
C. The voice is higher pitched and weaker.
D. The lungs shrink.
Answer: D
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Which of the following conditions produces a favorable environment for hemoglobin to bind to oxygen? (Normal body temperature is <100 °F; normal blood pH: 7.35-7.45.)
a. A body temperature of 102 °F b. A high 2,3-BPG concentration c. A blood pH of 7.31 d. High PO2
Changing a CPT code of 99211 to that of 99212 on an insurance bill, to be reimbursed more money, is an example of __________
Fill in the blank(s) with the appropriate word(s).
How often must controlled substances be inventoried?
Every month Every three months Yearly On a biennial basis
The roots of the maxillary second molar are not as __________________ as the first molar.
Fill in the blank(s) with the appropriate word(s).