Chapter 2 Review
A patient's temperature for five days after surgery taken at 7:00 a.m. each morning was recorded as 100.8, 101.2, 100.9, 100.2, and 99.8. What was the patient's average temperature after surgery? Round to two decimal places.
ANSWER: (100.8 + 101.2 + 100.9 + 100.2 + 99.8) = 502.9 / 5 = 100.58 degrees
One hundred and fourteen babies are delivered in the month of May. Of these, 54 are Caucasian, 30 are Hispanic, 20 are African American, and 10 are Asian. Express in fractions how many of these 114 babies are of each race. Remember to convert each fraction to its simplest form.
Caucasian- 54/114= 9/19 Hispanic- 30/114= 5/19 African American- 20/114= 10/57 Asian- 10/114= 5/57
The number obtained by dividing the numerator of a fraction by the denominator is called _____.
Quotient
A gynecologist sees 75 women in one week. Forty-two were seen for their annual preventive exam and received Pap smears. Express the rate of Pap smears performed in this week. Express the answer in percent.
(42 × 100) / 75 = 4,200 / 75 = 56%
A group of 16 men and 24 women have hypertension. Express the ratio of men with hypertension to women with hypertension. Reduce the ratio to its simplest form.
16:24 = 8:12 = 4:6 = 2:3
A small hospital has 110 full-time employees. Twenty percent are out with the Norovirus. How many employees are sick and how many are healthy?
22 sick / 88 healthy
A group of 106 children is seen at the hematology specialty clinic in one week. Thirty-six have classic hemophilia type A; 70 have other bleeding or blood disorders. What is the proportion of people in the group that have classic hemophilia type A? Express in a decimal and round to two decimal places.
36 / (36 + 70) = 0.34
The following were the recorded birth weights for babies born July 16, 2011: 8.1 lbs, 6.0 lbs, 4.7 lbs, 6.9 lbs, 5.6 lbs, 7.7 lbs, 6.3 lbs, 7.8 lbs, 6.1 lbs, and 9.2 lbs. What was the average birth weight for the day? Round to two decimal places.
8.1 + 6.0 + 4.7 + 6.9 + 5.6 + 7.7 + 6.3 + 7.8 + 6.1 + 9.2 = 68.4 68.4 / 10 = 6.84 lbs
Last year, you purchased equipment in the HIM department for $24,500. You have been told that the equipment you bought has depreciated in value by 20 percent. What is the value of the equipment now?
ANSWER: ($24,500 × 0.20) = $4,900 ($24,500 - $4,900) = $19,600
Your HIM manager wants to purchase a new personal computer and software for the new coder in your department. The usual price for the computer is $1,100. The local supply company gives the facility a 20 percent reduction on all items they purchase. An additional software license will cost $6,000; however, because your facility is using the software already, the vendor agrees to give a 40 percent discount on the software. What price will your manager pay for the new computer and software?
ANSWER: Computer: ($1,100 × 0.20) = $220 ($1,100 - $220) = $880 Software: ($6,000 × 0.40) = $2,400 ($6,000 - $2,400) = $3,600 Total $880 + $3,600 = $4,480
Round the following to two decimal places: 6.7890 24.5698 0.92389 44.8923
Answers: 6.7890 = 6.79 24.5698 = 24.57 0.92389 = 0.92 44.8923 = 44.89
A super group of 575 physicians practiced in the Midwest. The following specialties made up part of that figure. Using the information below, what percentage of the whole did these specialties make up? Round to two decimal places. Specialty Total Dermatologists 22 Orthopedists 53 Cardiologists 98 Gastroenterologists 18 Pulmonologists 14 Family Practice 207 Internal Medicine 102 Other 59
Dermatologists= 3.83% Orthopedists= 9.22% Cardiologist= 17.04% Gastroenterologists= 3.13% Pulmonologists= 2.43% Family Practice= 36.00% Internal Medicine= 17.74% Other= 10.26%
