100% Correct Answers 2025-2026
Edition.
Which neurotransmitter is associated with the parasympathetic nervous system? - Answer
acetylcholine
Which organ has larger capillary pores to allow the exchange of gases, nutrients, and/or waste
products? - Answer Liver
While intubated for surgery, a client has inadvertently had his Vagus nerve stimulated. What
effect would the surgical team expect to observe? - Answer Decreased heart rate as a result of
parasympathetic innervation of the heart
Which of the following blood flow patterns reduces friction, allowing the blood layers to slide
smoothly over one another? - Answer laminar
Which statements are true regarding the capillary system? - Answer Flow into the system is
controlled by colloidal osmotic pressure, flow out of the system is controlled by hydrostatic
pressure, albumin plays a significant role in maintaining the function of this system
Which related circulatory complication can result from surgical treatment for metastatic breast
cancer? - Answer Lymphedema in the affected arm
When A client Experiences the Cushing reflex, what occurs with the body? - Answer An
increase in arterial pressure two levels above the intracranial pressure
Which of the following is true regarding pulmonary circulation? - Answer It is a low-pressure
system that allows for improved gas exchange.
A nurse is reviewing an echocardiogram for a client with a congenital defect in the papillary
muscles of the heart. Based on this result, which assessment should the nurse complete? -
Answer Auscultate for a murmur caused by the backward expulsion of blood through the
atrioventricular valve
, A client has had an acute myocardial infarction (MI). The brother of the client has a history of
angina. The client asks how he will know if his brothers pain is angina or if the brother is actually
having an MI. Which statement is correct? - Answer Rest and intake of nitroglycerin relieve
chest pain with angina; they do not relieve chest pain with an MI
Which factor represents the amount of blood that the heart must pump with each beat and is
determined by the stretch of the cardiac muscle fibers and the actions of the heart prior to
cardiac contraction? - Answer Preload
Which blood vessels function without the benefit of having walls comprised of three muscular
layers? - Answer Capillaries
A nurse is caring for a client with right heart failure caused by pulmonary hypertension. Which
hemodynamic parameter is most appropriate for the nurse to monitor? - Answer Pulmonary
arterial pressure (PAP)
The electrical activity of the heart is recorded on the ECG. What does the T wave on the ECG
represent? - Answer repolarization of ventricles
Which client is most likely to be experiencing vasodilation? - Answer A 51-year old Man with a
history of hypertension who is taking a medication that blocks the effect of the renin-
angiotensin - aldosterone system
The nurse is caring for a client with severe aortic stenosis. What effect to cardiac afterload while
the nurse note? - Answer Greatly elevated systolic pressure when measured with
hemodynamic setting
A clients echocardiogram identified a narrowed valve that has resulted in a decreased blood
flow between the left atria and left ventricle. The nurse would interpret this as the: - Answer
Bicuspid valve
The bicuspid valve, (also called the mitral) controls the flow of blood between the left atria and
left ventricle. The aortic valve controls flow between the left ventricle and aorta. The tricuspid
controls the flow between the right atria and ventricle. The pulmonic valve controls flow
between the right ventricle and pulmonary artery
A nurse is teaching a client the correct technique for taking an arterial pulse. The nurse explains