ta to the rest of the body. As blood travels through arteries, arterioles, and capillaries, oxygen and nutrients diffuse into tissues. Deoxygenated blood collects into venules and veins before returning to the heart’s right atrium, com
rkinje fibers, causing ventricles to contract. Q3: Which blood vessels are classified as arteries, and what is their primary role? Answer: Arteries are blood vessels that carry oxygenated blood away from the heart to tissues. They have th
ary arteries → lungs → pulmonary veins → left atrium Systemic circulation: Left ventricle → aorta → body tissues → vena cavae → right atrium Understanding these pathways is critical, and visual activities can reinforce knowledge of the sequence and ana
cular (AV) node → bundle of His → Purkinje fibers. Action potential generation and propagation. The role of ion channels (Na+, Ca2+, K+) in shaping cardiac action potentials. An understanding of electrophysiology is crucial for int
diate next step? A) Administer atropine B) Start high-quality CPR and deliver defibrillation C) Administer epinephrine 1 mg IV D) Check pulse and breathing Answer: B) Start high-quality CPR and deliver defibrillation Explanation: Ventricular fibrillation is a shockable rhythm. The priorit
and team communication—key components that contribute to successful resuscitation efforts. Why Practice Advanced Cardiovascular Life Support Case Scenarios? ACLS is more than just a set of guidelines—it's a framewor
