Which of the following ions has a direct effect on ventricular muscle contraction?
A) Sodium B) Magnesium C) Potassium D) Calcium
D
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Scapular winging, a condition in which the medial border of the scapula is raised off of the thorax, is caused by
a. contracture in the rhomboids. b. weakness or inhibition in the rhomboids. c. contracture in the serratus anterior. d. weakness or inhibition in the serratus anterior.
A legal document stating the patient's wishes for refusing or limiting care if the patient becomes incompetent is known as a(n) ____________
A. nurse practice act C. living will B. advance directive D. code of ethics
The bar and plate-like tissue of spongy bone are called ________
A) osteocytes B) osteon C) trabeculae D) flagellite
Which instruction after a main term or a subterm in the ICD-10-CM index directs the coder to the ICD-10-CM tabular list, where a code can be selected from the options provided there?
a. see b. see also c. see category d. see condition