NURS 111 Perfusion Part 1

A total lack of oxygen in body tissues is referred to as __

• Ischemia

• Infarction

• Hypoxia

• Anoxia

Answer explanation

Ischemia is insufficient flow of O2

Hypoxia: Insufficient O2 reaching tissues

Infarction: death of tissue with inability to regenerate

What is the difference between central perfusion & local (tissue) perfusion?

True or False: Right coronary artery supply the bottom of left ventricle & bottom of septum

• True

• False

.

True or False: Circumflex artery stems from the right coronary artery.

• True

• False

Answer explanation

Circumflex stems from left coronary artery

True or False: Circumflex artery supplies oxygen to the left atrium and side & back of left ventricle

• True

• False

True or False: The left anterior descending (LAD) artery supplies oxygen to front & top of left ventricle and to the front septum

• True

• False

Answer explanation

LAD artery supplies blood to front &BOTTOM of left ventricle and front septum

True or False: The circumflex artery is known as the widow maker

• True

• False

A patient is tachycardic, which issue should doctor's be concerned about?

• Perfusion to extremities

• High blood pressure

• Perfusion to cardiac muscles

Vasodilation leads to ____?

• Increased preload

• Decreased preload

• Preload remains the same

Answer explanation

Due to more space in the vascular system, less blood hangs out in the heart

A patient's preload is insufficient due to fluid volume deficit. Which solution should be given? Select all that apply.

• Colloid

• NS .03%

• NS .9%

• Lactated Rings