WorksheetsNURS 111 Perfusion Part 1
Total questions: 23
Worksheet time: 14mins
A total lack of oxygen in body tissues is referred to as ____
Ischemia
Infarction
Hypoxia
Anoxia
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
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
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
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 Ringers
The sympathetic nervous system directly influences which of the following?
Pre-load
Contractility
Afterload
Metoprolol and diltiazem are ____ (Select all that apply)
Positive inotropes
Negative inotropes
Direct inotropes
Indirect inotropes
A patient is facing a high afterload, which of the following medications should be given? (Select all that apply)
Digoxin
Heparin
Lisinopril
Atenolol
Verapamil
If the stroke volume of the patient is 70 mL/beat and the patient's heart rate is 100 BPM, what is the cardiac output?
170 mL/min
7 L/min
0.7 L/min
7,000 L/min
True of False: A normal Ejection fraction is 60-100%
True
False
True or False: If two patients with significantly different weights & sizes have the same Cardiac Output there is no concern, but if the have the same Cardia Index there is concern.
True
False
Which type of drugs stimulate the sympathetic nervous system?
Cholinergics
Adrenergic inhibitors
Adrenergic agonists
Anti-cholinergics
Chemoreceptors PRIMARILY react to
pH
Pa O2
Blood pressure
Pa CO2
Baroreceptors are sensitive to pressure placed on blood vessels.
True
False
Do we wanna review the RAAS?
No, I'm good
Yes, please!
Which correctly follows the sequence of how electrical signals move in the heart?
SA node -> AV node -> Bundle of His -> Purkinje fibers
SA node -> AV node -> Purkinje fibers -> Bundle of His
SA node -> bundle of His -> AV node -> Purkinje fibers
SA node -> bundle of His -> Purkinje fibers -> AV node
True or false: Changes in heart rate often dictate what treatment to provide
True
False
What is the MAP if the patients blood pressure is 120/70? Round to the nearest whole number.
(a)
