A Patient Presents with Atrial Fibrillation,a Heart Rate of 156

question 23

Multiple Choice

A patient presents with atrial fibrillation,a heart rate of 156 beats/min,and a blood pressure of 124/76 mm Hg.The practitioner orders diltiazem,a calcium channel blocker,to be given slowly by intravenous push.Why did the practitioner choose this medication to treat this patient's atrial tachyarrhythmia?

• A) Diltiazem decreases the calcium influx into the atrioventricular (AV) nodal tissue and decreases the speed of impulse conduction.
• B) Diltiazem increases the calcium influx into the AV nodal tissue and decreases the speed of impulse conduction.
• C) Diltiazem decreases the calcium influx into the myocardial tissue and decreases the strength of heart contraction.
• D) Diltiazem increases the calcium influx into the myocardial tissue and decreases the strength of heart contraction.

---

Definitions:

Inventory On September 30

The stock of goods a company has available for sale or used in production as recorded on September 30th.

Inventory Cost Flow Assumptions

Accounting methods assumed about how costs flow through inventory; basic types include FIFO, LIFO, and weighted average.

Financial Statements

Documented records that outline the financial activities and conditions of a business, including the balance sheet, income statement, and cash flow statement.

Perpetual Inventory System

A perpetual inventory system is an accounting method that records the sale or purchase of inventory immediately through the use of computerized point-of-sale systems and enterprise asset management software.