BIOL 2313 EXAM 2 2025/2026 Exam
Questions and Correct Answers | New
1
Update
The P-wave of a normal EKG indicates - 🧠 ANSWER ✔✔atrial
depolarization
Blood within the pulmonary veins returns to the - 🧠 ANSWER ✔✔left atrium
During the cardiac cycle the bicuspid valve closes - 🧠 ANSWER ✔✔When
the ventricle is in a systole
Select the correct statement about the heart valves - 🧠 ANSWER ✔✔The
AV valves are supported by chordae tendinae so that they do not blow
back up into the atria during the ventricular contraction
Select the correct statement about Cardiac output - 🧠 ANSWER ✔✔A slow
heart rate increases end diastolic volume, stroke volume, and force of
contraction.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, The pericardial cavity - 🧠 ANSWER ✔✔Contains a lubricating fluid called
pericardial fluid
2
Isovolumetric contraction - 🧠 ANSWER ✔✔Refers to the short period during
ventricular systole when the ventricles are completely closed chambers and
refers to the short period during ventricular systole when the pressure in
the ventricular increase drastically
Epinephrine is a - 🧠 ANSWER ✔✔Negative inotropic agent
If the vagal nerves to the heart were cut the result would be - 🧠 ANSWER
✔✔The heart rate would increase by about 25 bpm
Which of the following are involved in pulmonary circulation - 🧠 ANSWER
✔✔Right ventricle, pulmonary artery, and left atrium
If the length of the absolute refractory period in the cardiac muscle cells
was the same as it is for skeletal muscle cells - 🧠 ANSWER ✔✔Tetanic
contractions might occur which would stop the hearts pumping action
Compared to skeletal muscle, cardiac muscle - 🧠 ANSWER ✔✔Has gap
junctions that allow it to act as a functional syncytium
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Correct Answers | New
1
Update
The P-wave of a normal EKG indicates - 🧠 ANSWER ✔✔atrial
depolarization
Blood within the pulmonary veins returns to the - 🧠 ANSWER ✔✔left atrium
During the cardiac cycle the bicuspid valve closes - 🧠 ANSWER ✔✔When
the ventricle is in a systole
Select the correct statement about the heart valves - 🧠 ANSWER ✔✔The
AV valves are supported by chordae tendinae so that they do not blow
back up into the atria during the ventricular contraction
Select the correct statement about Cardiac output - 🧠 ANSWER ✔✔A slow
heart rate increases end diastolic volume, stroke volume, and force of
contraction.
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, The pericardial cavity - 🧠 ANSWER ✔✔Contains a lubricating fluid called
pericardial fluid
2
Isovolumetric contraction - 🧠 ANSWER ✔✔Refers to the short period during
ventricular systole when the ventricles are completely closed chambers and
refers to the short period during ventricular systole when the pressure in
the ventricular increase drastically
Epinephrine is a - 🧠 ANSWER ✔✔Negative inotropic agent
If the vagal nerves to the heart were cut the result would be - 🧠 ANSWER
✔✔The heart rate would increase by about 25 bpm
Which of the following are involved in pulmonary circulation - 🧠 ANSWER
✔✔Right ventricle, pulmonary artery, and left atrium
If the length of the absolute refractory period in the cardiac muscle cells
was the same as it is for skeletal muscle cells - 🧠 ANSWER ✔✔Tetanic
contractions might occur which would stop the hearts pumping action
Compared to skeletal muscle, cardiac muscle - 🧠 ANSWER ✔✔Has gap
junctions that allow it to act as a functional syncytium
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
