NRSG 2350 Exam 3 | Complete Concept Study Guide & Verified Detailed Answers (Latest 2026)

NRSG 2350 EXAM 3

,NRSG 2350 EXAM 3




NRSG 2350 EXAM 3 STUDY GUIDE 2026 COMPLETE
QUESTIONS WITH CORRECT DETAILED ANSWERS


Epicardium - CORRECT ANSWER Outermost heart layer, protects and
nourishes myocardium.

QUESTION : Pericardial Sac - CORRECT ANSWER Epicardium and
parietal layer of serous pericardium.

QUESTION : Myocardium - CORRECT ANSWER Thick middle heart
layer with cardiac muscle tissue.

QUESTION : Endocardium - CORRECT ANSWER Thin endothelial
layer lining heart muscle.

QUESTION : Cardiac Conducting Cells - CORRECT ANSWER Cells
coordinating heart contractions.

QUESTION : Cardiac Circulation - CORRECT ANSWER Heart's blood
pumping to the body.

QUESTION : Cardiopulmonary Circulation - CORRECT ANSWER
Heart and lungs working together for blood flow.

QUESTION : Systemic Circulation - CORRECT ANSWER Blood
circulation throughout the body excluding lungs.

QUESTION : Systemic Pressure - CORRECT ANSWER Higher
pressure due to greater distance and resistance.

QUESTION : Arterial Flow - CORRECT ANSWER Blood moving away
from the heart.

,NRSG 2350 EXAM 3
QUESTION : Ventricular Systole - CORRECT ANSWER Phase when
blood pressure is highest in arteries.

QUESTION : Ventricular Diastole - CORRECT ANSWER Phase when
blood pressure is lowest in arteries.

QUESTION : Venous Return - CORRECT ANSWER Blood flow back to
the heart from tissues.

QUESTION : Mean Arterial Pressure (MAP) - CORRECT ANSWER
MAP = CO x SVR.

QUESTION : Cardiac Output (CO) - CORRECT ANSWER CO = HR x
SV.

QUESTION : Heart Rate - CORRECT ANSWER Autonomic control,
innervates SA node.

QUESTION : Sympathetic Nervous System - CORRECT ANSWER
Increases heart rate via beta-1 adrenergic receptors.

QUESTION : Parasympathetic Nervous System - CORRECT ANSWER
Decreases heart rate via muscarinic receptors.

QUESTION : Stroke Volume (SV) - CORRECT ANSWER Amount of
blood ejected per heartbeat.

QUESTION : Normal Stroke Volume - CORRECT ANSWER 60-100 mL
per heartbeat.

QUESTION : End-Diastolic Volume (EDV) - CORRECT ANSWER
Ventricle volume when filled with blood.

QUESTION : End-Systolic Volume (ESV) - CORRECT ANSWER
Ventricle volume after contraction.

QUESTION : Starling's Law - CORRECT ANSWER More stretch
equals stronger heart contraction.

, NRSG 2350 EXAM 3
QUESTION : Preload - CORRECT ANSWER Volume/stretch on
cardiac muscle before contraction.

QUESTION : Afterload - CORRECT ANSWER Pressure ventricle must
overcome to eject blood.

QUESTION : Baroreceptors - CORRECT ANSWER Nerve endings
sensitive to arterial blood pressure.

QUESTION : Vascular Endothelium - CORRECT ANSWER Single cell
layer lining blood vessels.

QUESTION : Nitric Oxide - CORRECT ANSWER Decreases blood
pressure through vasodilation.

QUESTION : Endothelin - CORRECT ANSWER Increases blood
pressure through vasoconstriction.

QUESTION : Renal System - CORRECT ANSWER Controls blood
pressure via sodium and fluid balance.

QUESTION : Naturetic Peptide - CORRECT ANSWER Decreases
blood pressure by excreting sodium and water.

QUESTION : Angiotensin II - CORRECT ANSWER Causes arteriolar
constriction and increases blood pressure.

QUESTION : Aldosterone - CORRECT ANSWER Increases sodium
retention, raising blood pressure.

QUESTION : Hypertension - CORRECT ANSWER High blood
pressure, often asymptomatic.

QUESTION : Primary Hypertension - CORRECT ANSWER No single
cause, more common hypertension type.

QUESTION : Secondary Hypertension - CORRECT ANSWER Direct
cause identified, less common hypertension type.