PARAMEDIC PREP FINAL EXAM | COMPLETE
QUESTIONS & ANSWERS (100% VERIFIED SOLUTIONS)
2025/2026 UPDATE
Homeostasis - CORRECT ANSWER --A state of equilibrium in the body with
respect to functions and composition of fluid and tissue
Preload - CORRECT ANSWER -1. Amount of blood in ventricles prior to
systole
2. The greater the preload, the stronger the contractions.
Afterload - CORRECT ANSWER -1. The pressure in the arterial system during
diastole
2.If Afterload increases, heart works harder
3.If Afterload drops, perfusion and coronary artery filling decreases.
Starlings Law - CORRECT ANSWER --The greater the preload, the stronger
the contractions.
Cardiac Output - CORRECT ANSWER -Cardiac output = stroke volume x
heart rate
Stroke Volume - CORRECT ANSWER -Amount of blood ejected with each
contraction
BP - CORRECT ANSWER -Blood pressure = cardiac output x systemic
vascular resistance (BP=COxSVR)
Blood pressure= Stroke volume x heart rate x systemic vascular resistance
(BP=SVxHRxSVR)
1.
, Precapillary and post capillary Sphincter - CORRECT ANSWER --Control
blood flow in and out of capillaries
1.Stagnant phase-precapillary sphincter relax, post capillary sphincter
remains closed
2.Washout phase-pre and post capillary sphincters relax
How much blood is in the human body? - CORRECT ANSWER -5.5-6 liters
What is the Fick Principle? - CORRECT ANSWER -*4 elements must exist for
perfusion to take place
1.Adequate O2 in the alveoli
2.Adequate O2 exchange in the pulmonary capillaries
3.Adequate circulation (RBC's and perfusion pressure)
4.Adequate O2 exchange into the tissues
What is the problem with the Fick Principle? - CORRECT ANSWER -1.
Adequate O2 exchange in the alveoli
-CO poisoning, airway obstruction, shallow respirations
2.Adequate pulmonary exchange of O2
-Pulmonary edema, emphysema, hemo/pneumothorax
3.Adequate circulation (RBC's and perfusion pressure)
-Hemhorrage, anemia, shock of any kind
4.Tissue exchange of oxygen
- Tissue edema
What is shock? - CORRECT ANSWER --Widespread inadequate tissue
perfusion
What are the stages of shock? - CORRECT ANSWER -1. Compensated-able to
maintain BP
1.
QUESTIONS & ANSWERS (100% VERIFIED SOLUTIONS)
2025/2026 UPDATE
Homeostasis - CORRECT ANSWER --A state of equilibrium in the body with
respect to functions and composition of fluid and tissue
Preload - CORRECT ANSWER -1. Amount of blood in ventricles prior to
systole
2. The greater the preload, the stronger the contractions.
Afterload - CORRECT ANSWER -1. The pressure in the arterial system during
diastole
2.If Afterload increases, heart works harder
3.If Afterload drops, perfusion and coronary artery filling decreases.
Starlings Law - CORRECT ANSWER --The greater the preload, the stronger
the contractions.
Cardiac Output - CORRECT ANSWER -Cardiac output = stroke volume x
heart rate
Stroke Volume - CORRECT ANSWER -Amount of blood ejected with each
contraction
BP - CORRECT ANSWER -Blood pressure = cardiac output x systemic
vascular resistance (BP=COxSVR)
Blood pressure= Stroke volume x heart rate x systemic vascular resistance
(BP=SVxHRxSVR)
1.
, Precapillary and post capillary Sphincter - CORRECT ANSWER --Control
blood flow in and out of capillaries
1.Stagnant phase-precapillary sphincter relax, post capillary sphincter
remains closed
2.Washout phase-pre and post capillary sphincters relax
How much blood is in the human body? - CORRECT ANSWER -5.5-6 liters
What is the Fick Principle? - CORRECT ANSWER -*4 elements must exist for
perfusion to take place
1.Adequate O2 in the alveoli
2.Adequate O2 exchange in the pulmonary capillaries
3.Adequate circulation (RBC's and perfusion pressure)
4.Adequate O2 exchange into the tissues
What is the problem with the Fick Principle? - CORRECT ANSWER -1.
Adequate O2 exchange in the alveoli
-CO poisoning, airway obstruction, shallow respirations
2.Adequate pulmonary exchange of O2
-Pulmonary edema, emphysema, hemo/pneumothorax
3.Adequate circulation (RBC's and perfusion pressure)
-Hemhorrage, anemia, shock of any kind
4.Tissue exchange of oxygen
- Tissue edema
What is shock? - CORRECT ANSWER --Widespread inadequate tissue
perfusion
What are the stages of shock? - CORRECT ANSWER -1. Compensated-able to
maintain BP
1.
