In a cohort study of smoking and myocardial infarction in City A,the number of myocardial infarctions were 250 cases among 7,000 smokers and the number of myocardial infarctions were 150 cases among 20,000 nonsmokers.What is the attributable risk (risk difference) of smoking?

A) 2.8 per 1,000
B) 3.6 per 1,000
C) 7.5 per 1,000
D) 28.2 per 1,000
E) 35.7 per 1,000

Where in the CPT manual will information about the proper use of modifiers be found?

A) Introduction
B) Appendix A
C) Appendix B
D) Appendix C
E) Appendix D

The ________ root of spinal nerves contains axons of sensory neurons only.

Ordinal scale

A) This scale has a meaningful zero point and equal intervals; therefore, it can be manipulated by all mathematical principles.
B) In this scale, numbers are arbitrarily assigned to represent different categories or variables.
C) This scale establishes equal distances between measurements but has no absolute zero reference point.
D) With this scale, magnitude or rank order is implied; however, the distance between measurements is unknown.

​The section of the balance sheet is determined by three items: revenues,expenses,and dividends

A) accounts payable
B) ​assets
C) ​corporation
D) ​cost
E) ​economic entity assumption
F) ​liabilities
G) ​market value
H) ​monetary unit assumption
I) ​note payable
J) ​(paid-in) capital
K) ​partnership
L) ​proprietorship
M) ​retained earnings
N) stockholders' equity

​Formatted screens and built-in databases of patient accounts and vendors allow actions to be performed faster

A) ​advantage
B) disadvantage

Involves an ultrasound exam along with a nonstress test

A) ​amniocentesis
B) ​biophysical profile
C) ​chorionic villus
D) ​first trimester screen

A burn that causes only pain, swelling, and redness is a ____.

A) first-degree burn
B) second-degree burn
C) third-degree burn
D) partial-thickness burn
E) full-thickness burn

One advantage of submitting claims electronically is ____.

A) it increases the time between submission and payment
B) patients can submit their own claims easily
C) electronic claims cannot be rejected
D) the practice can receive larger payments
E) electronic submissions are cost-efficient

A patient's blood pressure is checked standing and sitting. There is an increase in the pulse rate of more than 10 bpm, and the blood pressure drops more than 20 points, so this patient is considered to have orthostatic hypotension. This is sometimes documented as a positive ________ test.