BIO 242 Test 3 Questions 2025/2026
Exam All Answers and Illustrations
Given
what is the immediate blood vessel after the pulmonary valve - 🧠 ANSWER
✔✔pulmonary trunk
what is the layer that functions to protect, anchor, and prevent over filling -
🧠 ANSWER ✔✔fibrous pericardium
what is the outer layer of the heart wall called - 🧠 ANSWER ✔✔epicardium
what is the innermost layer of the heart continuous with the endothelium - 🧠
ANSWER ✔✔endocardium
what is the remnant of the foramen ovale - 🧠 ANSWER ✔✔fossa ovalis
when the atria go into systole, which valves open - 🧠 ANSWER ✔✔atrial
ventricular valves
, which pulmonary circuit is short and low pressure * - 🧠 ANSWER
✔✔pulmonary*
right and left coronary arteries arise from - 🧠 ANSWER ✔✔aortic base
which circulation of the body is the shortest - 🧠 ANSWER ✔✔coronary
the left coronary artery bifurcates into - 🧠 ANSWER ✔✔anterior, circumflex
the right coronary artery - 🧠 ANSWER ✔✔posterior, right marginal
which of the following blood vessels supply the interventricular septum - 🧠
ANSWER ✔✔left coronary artery
which of the following arteries supplies the right atrium and ... - 🧠 ANSWER
✔✔right coronary artery
the great, middle, and small cardiac vein empties into - 🧠 ANSWER
✔✔coronary sinus
which of the following is a subsection of intercalated discs that hold cells
together and prevent separation - 🧠 ANSWER ✔✔desmosomes
which one electrically couples cells allowing ions to pass - 🧠 ANSWER
✔✔gap junctions
Exam All Answers and Illustrations
Given
what is the immediate blood vessel after the pulmonary valve - 🧠 ANSWER
✔✔pulmonary trunk
what is the layer that functions to protect, anchor, and prevent over filling -
🧠 ANSWER ✔✔fibrous pericardium
what is the outer layer of the heart wall called - 🧠 ANSWER ✔✔epicardium
what is the innermost layer of the heart continuous with the endothelium - 🧠
ANSWER ✔✔endocardium
what is the remnant of the foramen ovale - 🧠 ANSWER ✔✔fossa ovalis
when the atria go into systole, which valves open - 🧠 ANSWER ✔✔atrial
ventricular valves
, which pulmonary circuit is short and low pressure * - 🧠 ANSWER
✔✔pulmonary*
right and left coronary arteries arise from - 🧠 ANSWER ✔✔aortic base
which circulation of the body is the shortest - 🧠 ANSWER ✔✔coronary
the left coronary artery bifurcates into - 🧠 ANSWER ✔✔anterior, circumflex
the right coronary artery - 🧠 ANSWER ✔✔posterior, right marginal
which of the following blood vessels supply the interventricular septum - 🧠
ANSWER ✔✔left coronary artery
which of the following arteries supplies the right atrium and ... - 🧠 ANSWER
✔✔right coronary artery
the great, middle, and small cardiac vein empties into - 🧠 ANSWER
✔✔coronary sinus
which of the following is a subsection of intercalated discs that hold cells
together and prevent separation - 🧠 ANSWER ✔✔desmosomes
which one electrically couples cells allowing ions to pass - 🧠 ANSWER
✔✔gap junctions
