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Anatomy & Physiology

Study Pack

Set 23 Anatomy And Physiology Of The Cardiovascular And Re

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Question 1

(Multiple Choice)

Free
Cardiac muscle fibers are joined at their ends by dense bands called ________.

A) SA nodes
B) auricles
C) intercalated disks
D) cardiac muscle fibers

Answer

Question 2

(Multiple Choice)

Free
The left atrium ______.

A) pumps blood into the systemic circulation
B) pumps blood into the pulmonary circulation
C) receives blood from the systemic circulation
D) receives blood from the pulmonary veins

Answer

Question 3

(Multiple Choice)

Free
The period of contraction is known as ________.

A) diastole
B) systole
C) conduction cycle
D) sinoatrial pause

Answer