Figure 20-2 Cardiac Cycle

question 133

Multiple Choice

Figure 20-2 Cardiac Cycle
Use Figure 20-2 to answer the following question:
-What occurs at the area labeled "B" on the graph?

• A)ventricular ejection occurs
• B)AV valve closes
• C)semilunar valve opens
• D)semilunar valve closes
• E)AV valve opens

---

Definitions:

Receivables

Receivables are amounts owed to a company by its customers or other parties for goods or services delivered but not yet paid for.

Uncollectible Accounts

Amounts owed to a company that it does not expect to collect due to customers being unable or unwilling to pay.

Allowance for Doubtful Accounts

An accounting provision made for receivables which may not be collectible.

Liability Account

An accounting record that reflects obligations or amounts owed to others, representing claims against the company's assets.