LSU KIN 2504 Exam 2 Questions and
All Correct Answers 2025/2026 Update.
The circulatory system that moves blood between the heart and the rest of the body. Controlled
by the left side of the heart. - Answer systemic
Your blood pressure is 118/78. What do these numbers mean? - Answer 118 is when the
heart contracts systole and 78 is when the heart relaxes
You love to sprint. Which muscle fibers would be recruited for this activity? - Answer fast
twitch
An increase in the size of muscle fibers stimulated by overload. - Answer hypertrophy
Which of these is a deep core muscle? - Answer internal obliques
Semi-elastic structure, primarily connective tissue, that surrounds major joints. - Answer
Joint capsule
Which part of the spine is the most common area of back pain? - Answer lumbar
Choose the correct order for circulation in the heart - Answer Oxygen-poor blood into right
atria; to right ventricle; to lungs. Oxygen-rich blood into left atria; to left ventricle; to body
The force exerted by the blood on the walls of the blood vessels; created by the pumping action
of the heart. - Answer blood pressure
Which of these heart valves prevent blood backflow? - Answer tricuspid, pulmonary, mitral
and aortic
During exercise, which of these occur in the cardiorespiratory system? - Answer stroke
volume, cardiac output and heart all increase
All Correct Answers 2025/2026 Update.
The circulatory system that moves blood between the heart and the rest of the body. Controlled
by the left side of the heart. - Answer systemic
Your blood pressure is 118/78. What do these numbers mean? - Answer 118 is when the
heart contracts systole and 78 is when the heart relaxes
You love to sprint. Which muscle fibers would be recruited for this activity? - Answer fast
twitch
An increase in the size of muscle fibers stimulated by overload. - Answer hypertrophy
Which of these is a deep core muscle? - Answer internal obliques
Semi-elastic structure, primarily connective tissue, that surrounds major joints. - Answer
Joint capsule
Which part of the spine is the most common area of back pain? - Answer lumbar
Choose the correct order for circulation in the heart - Answer Oxygen-poor blood into right
atria; to right ventricle; to lungs. Oxygen-rich blood into left atria; to left ventricle; to body
The force exerted by the blood on the walls of the blood vessels; created by the pumping action
of the heart. - Answer blood pressure
Which of these heart valves prevent blood backflow? - Answer tricuspid, pulmonary, mitral
and aortic
During exercise, which of these occur in the cardiorespiratory system? - Answer stroke
volume, cardiac output and heart all increase
