In the United States, tuberculosis (TB) was one of the leading causes of death at the beginning of the twentieth century, but reported mortality from TB declined steadily during the first half of the century. Discuss what factors caused this decline
The factors that caused a decline in mortality from TB in the first half of the twentieth century were:
• Improvements in housing that reduced crowding
• Development of effective antibiotics
• Creation of TB control programs
• Improvements in hygiene and sanitation that reduced the rates of many communicable diseases
You might also like to view...
The ________ nerves are carefully preserved during pneumonectomy
A. vagus, left recurrent laryngeal, and phrenic B. vagus, pneumatic, and phrenic C. phrenic, pneumatic, and epigastric D. pneumatic, vagus, and left recurrent laryngeal
Cataract formation is attributed to all of these EXCEPT ________
A) gender B) congenital defects C) trauma D) aging
____________________ or ____________________is similar to the way the yellow pages assemble information
Fill in the blank(s) with correct word
Saliva contents include which of the following?
a. Water b. Mucin c. Organic salts d. Digestive enzyme ptyalin e. All of the above