NURS 3366 Exam 3 question and correct answers

NURS 3366 EXAM 3

• Blood flow through the heart


ANSWER

• 1-Superior & Inferior Vena Cava

• 2-Rt Atrium

• 3-Tricuspid Valve

• 4- Rt Ventricle

5-Pulmonary Valve

6-Pulmonary Artery (deoxygenated)

• pulmonary arterioles (deoxygenated)

• pulmonary capillaries (gas exchange occurs with alveoli

here)Pulmonary Venues (oxygenated) 10-Pulmonary Veins

(oxygenated)

,• Lt Atrium

• Mitral Valve (Bicuspid)

• Lt Ventricle Aortic Valve 15-Aorta

16- Body, Coronary arteries, brain tissue via carotids

• Blood flow from body tissue to Heart ANSWER 1. arteriols

of tissues

• capillaries (gas exchange occurs here)

• venues

• veins

• Inferior vena cava

• superior vena cava

• right atrium

• P wave ANSWER atrial depolarization


• QRS complex ANSWER ventricular depolarization


• T wave ANSWER ventricular repolarization

,• ST ANSWER time interval between end of ventricular

depolarization (S)

& repolarization (T)

• A patient's ECG shows a regular PQRST pattern at a


rate of 72 beats per minute. The nurse interprets


this as ANSWER


• Sinus bradycardia


• Atrial fibrillation




• Normal sinus rhythm


• Sinus tachycardia ANSWER c. Normal sinus rhythm


• Question ANSWERWhich of the following best describes


systole in the cardiac cycle?

, • The phase when the atria are filling with blood from the


body and lungs.


• The period between the opening of the AV valves


and the closing of the semilunar valves.


• The part of the heart cycle when the ventricles contract


and eject blood into the pulmonary artery and aorta.


• The interval between the closure of the aortic valve


and the opening of the tricuspid valve. ANSWER c. The

part of the heart cycle when the ventricles contract and

eject blood into the pulmonary

artery and aorta.

• Which of the following best describes what happens


during ventricular sys- tole?