NURSING INFORMATICS
COMPREHENSIVE STUDY GUIDE 2026
SOLVED QUESTIONS GRADED A+
⩥ Bundle of His.Answer: Pathway for electrical signals from AV
node.
⩥ Purkinje Network.Answer: Fibers that distribute impulses to
ventricles.
⩥ Intraatrial Pathways.Answer: Conduct impulses within the
atria.
⩥ Sinoatrial (SA) Node.Answer: Primary pacemaker of the
heart.
⩥ Atrioventricular (AV) Node.Answer: Delays impulse before
ventricles contract.
⩥ Mitral Valve.Answer: Valve between left atrium and ventricle.
⩥ Aortic Valve.Answer: Valve between left ventricle and aorta.
,⩥ Tricuspid Valve.Answer: Valve between right atrium and
ventricle.
⩥ Pulmonic Valve.Answer: Valve between right ventricle and
pulmonary artery.
⩥ Alveoli.Answer: Tiny air sacs for gas exchange in lungs.
⩥ Gas Exchange.Answer: Process of oxygen and carbon dioxide
exchange.
⩥ S2 Heart Sound.Answer: Closure of aortic and pulmonic
valves.
⩥ Diffusion.Answer: Gas exchange across alveolar capillary
membrane.
⩥ Ventilation.Answer: Movement of air in and out of lungs.
⩥ Surfactant.Answer: Chemical that reduces surface tension in
alveoli.
,⩥ Perfusion.Answer: Blood flow to tissues for oxygen delivery.
⩥ Respiratory Assessment.Answer: Evaluation of breathing and
oxygen saturation.
⩥ Cervical Trauma.Answer: Injury to the cervical spine
affecting function.
⩥ Priority Assessment.Answer: Most critical evaluation in
patient care.
⩥ Heart Valves Sequence.Answer: Blood flow order through
heart valves.
⩥ Physiological Adaptation.Answer: Body's adjustment to
maintain homeostasis.
⩥ Teaching/Learning.Answer: Process of imparting knowledge
to patients.
, ⩥ Phrenic nerve.Answer: Controls diaphragm movement for
breathing.
⩥ Hypoxemia.Answer: Low oxygen levels in the blood.
⩥ Inspiration.Answer: Active process of drawing air into lungs.
⩥ Chemical receptors.Answer: Detect blood gas levels to
regulate breathing.
⩥ Elastic recoil.Answer: Lungs' ability to return to original
shape.
⩥ Accessory muscles.Answer: Muscles aiding in breathing
during distress.
⩥ Carbon monoxide.Answer: Binds hemoglobin, preventing
oxygen transport.
⩥ Hypoxia.Answer: Insufficient oxygen reaching tissues.
COMPREHENSIVE STUDY GUIDE 2026
SOLVED QUESTIONS GRADED A+
⩥ Bundle of His.Answer: Pathway for electrical signals from AV
node.
⩥ Purkinje Network.Answer: Fibers that distribute impulses to
ventricles.
⩥ Intraatrial Pathways.Answer: Conduct impulses within the
atria.
⩥ Sinoatrial (SA) Node.Answer: Primary pacemaker of the
heart.
⩥ Atrioventricular (AV) Node.Answer: Delays impulse before
ventricles contract.
⩥ Mitral Valve.Answer: Valve between left atrium and ventricle.
⩥ Aortic Valve.Answer: Valve between left ventricle and aorta.
,⩥ Tricuspid Valve.Answer: Valve between right atrium and
ventricle.
⩥ Pulmonic Valve.Answer: Valve between right ventricle and
pulmonary artery.
⩥ Alveoli.Answer: Tiny air sacs for gas exchange in lungs.
⩥ Gas Exchange.Answer: Process of oxygen and carbon dioxide
exchange.
⩥ S2 Heart Sound.Answer: Closure of aortic and pulmonic
valves.
⩥ Diffusion.Answer: Gas exchange across alveolar capillary
membrane.
⩥ Ventilation.Answer: Movement of air in and out of lungs.
⩥ Surfactant.Answer: Chemical that reduces surface tension in
alveoli.
,⩥ Perfusion.Answer: Blood flow to tissues for oxygen delivery.
⩥ Respiratory Assessment.Answer: Evaluation of breathing and
oxygen saturation.
⩥ Cervical Trauma.Answer: Injury to the cervical spine
affecting function.
⩥ Priority Assessment.Answer: Most critical evaluation in
patient care.
⩥ Heart Valves Sequence.Answer: Blood flow order through
heart valves.
⩥ Physiological Adaptation.Answer: Body's adjustment to
maintain homeostasis.
⩥ Teaching/Learning.Answer: Process of imparting knowledge
to patients.
, ⩥ Phrenic nerve.Answer: Controls diaphragm movement for
breathing.
⩥ Hypoxemia.Answer: Low oxygen levels in the blood.
⩥ Inspiration.Answer: Active process of drawing air into lungs.
⩥ Chemical receptors.Answer: Detect blood gas levels to
regulate breathing.
⩥ Elastic recoil.Answer: Lungs' ability to return to original
shape.
⩥ Accessory muscles.Answer: Muscles aiding in breathing
during distress.
⩥ Carbon monoxide.Answer: Binds hemoglobin, preventing
oxygen transport.
⩥ Hypoxia.Answer: Insufficient oxygen reaching tissues.
