EXSC 224L Final Exam Questions and Answers Latest Update 2025-2026
If your instructor asked you to list the components of blood, from highest percentage of blood
volume to lowest, which of the following would you most likely say? - Answers Plasma, red
blood cells, platelets, white blood cells
If your friend asked you to explain the composition of blood plasma, which of the following
would you most likely say? - Answers It is composed of water, proteins, nutrients, and hormones.
T/F: The hepatic portal vein collects blood from the vessels that drain the liver - Answers False
____________ transport oxygen to body tissues, whereas _____________ defend the body against
disease. - Answers RBCs
WBCs
Blood is a(n) _____ tissue. - Answers connective
Which of the following is a similarity among red blood cells, white blood cells, and platelets? -
Answers They originate in red bone marrow inside the bones.
If your instructor asked you to explain the benefit of red blood cells ejecting their nuclei, which
of the following would you most likely say? - Answers This allows the cells to carry more oxygen
to the tissues.
Which hormone, produced in the kidneys and liver, stimulates red blood cell production? -
Answers erythropoietin
When a blood vessel tears, _____ at the site adhere to the vessel's wall to close the tear. -
Answers Platelets
The _____ receives oxygen-depleted blood and empties it into the _____, whereas oxygenated
blood from the lungs enters the _____ and empties into the _____. - Answers Right atrium, right
ventricle, left atrium, left ventricle
If your friend asked you to explain an activity that increases cardiac output to the maximum,
which of the following would you most likely say? - Answers Cardiac output increases with
physical activity, rising to a maximum that may be four to seven times greater than the resting
output.
Which of the following statements accurately compares systole and diastole? - Answers
Ventricular contraction and constriction are known as systole, whereas ventricular relaxation
and expansion are known as diastole.
Which of the following accurately compares the heart of an adult male and the heart of an adult
female? - Answers The heart of an adult male is slightly larger than that of an adult female.
, If your instructor asked you to explain why the myocardium is thicker in the left ventricle than it
is in the right ventricle, which of the following would you most likely say? - Answers The left
ventricle has to pump harder to overcome the high resistance required to pump blood into the
long systemic circuit, whereas the right ventricle does not need to generate as much pressure
since the pulmonary circuit is shorter and provides less resistance.
The conduction system of the heart regulates the electrical impulses that - Answers make the
heart beat
The heart is located within the thoracic cage, between the _____ and _____ rib. - Answers second,
fifth
____________ chordae tendineae attach to the leaflet margins and prevent marginal prolapse of
the leaflet, whereas ____________ chordae tendineae anchor the leaflets' ventricular surface to
the papillary muscle and relieve tension. - Answers Primary
secondary
Deoxygenated blood from the intestines drains into the - Answers Superior and inferior
mesenteric veins.
The _____ is the largest artery in the body. - Answers aorta
The _____ provides blood supply to the brain and contains alternate routes in case of blockage. -
Answers Circle of Willis
_____________ is caused by the blood flow generated by the heart as it pumps and the resistance
that blood encounters as it moves through the enclosed vessel. - Answers Blood pressure
____________ circulation moves blood between the heart and lungs, and _______________
circulation moves blood between the heart and the rest of the body. - Answers Pulmonary,
Systemic
The ______________ visceral branches are the celiac trunk, the superior mesenteric artery, and the
inferior mesenteric artery, whereas the ________ visceral branches are the suprarenal, renal, and
gonadal arteries. - Answers unpaired, paired
If your instructor asked you to discuss the arteries of the upper limb in order, from superior to
inferior, which of the following would you most likely say? - Answers The subclavian artery is the
first part of the long trunk that supplies each upper extremity, and at the axilla, it becomes the
axillary artery, which ends at the lower border of the tendon of the teres major, where it
becomes the brachial artery.
Oxygen from inhaled air diffuses from the alveoli into the pulmonary capillaries surrounding
If your instructor asked you to list the components of blood, from highest percentage of blood
volume to lowest, which of the following would you most likely say? - Answers Plasma, red
blood cells, platelets, white blood cells
If your friend asked you to explain the composition of blood plasma, which of the following
would you most likely say? - Answers It is composed of water, proteins, nutrients, and hormones.
T/F: The hepatic portal vein collects blood from the vessels that drain the liver - Answers False
____________ transport oxygen to body tissues, whereas _____________ defend the body against
disease. - Answers RBCs
WBCs
Blood is a(n) _____ tissue. - Answers connective
Which of the following is a similarity among red blood cells, white blood cells, and platelets? -
Answers They originate in red bone marrow inside the bones.
If your instructor asked you to explain the benefit of red blood cells ejecting their nuclei, which
of the following would you most likely say? - Answers This allows the cells to carry more oxygen
to the tissues.
Which hormone, produced in the kidneys and liver, stimulates red blood cell production? -
Answers erythropoietin
When a blood vessel tears, _____ at the site adhere to the vessel's wall to close the tear. -
Answers Platelets
The _____ receives oxygen-depleted blood and empties it into the _____, whereas oxygenated
blood from the lungs enters the _____ and empties into the _____. - Answers Right atrium, right
ventricle, left atrium, left ventricle
If your friend asked you to explain an activity that increases cardiac output to the maximum,
which of the following would you most likely say? - Answers Cardiac output increases with
physical activity, rising to a maximum that may be four to seven times greater than the resting
output.
Which of the following statements accurately compares systole and diastole? - Answers
Ventricular contraction and constriction are known as systole, whereas ventricular relaxation
and expansion are known as diastole.
Which of the following accurately compares the heart of an adult male and the heart of an adult
female? - Answers The heart of an adult male is slightly larger than that of an adult female.
, If your instructor asked you to explain why the myocardium is thicker in the left ventricle than it
is in the right ventricle, which of the following would you most likely say? - Answers The left
ventricle has to pump harder to overcome the high resistance required to pump blood into the
long systemic circuit, whereas the right ventricle does not need to generate as much pressure
since the pulmonary circuit is shorter and provides less resistance.
The conduction system of the heart regulates the electrical impulses that - Answers make the
heart beat
The heart is located within the thoracic cage, between the _____ and _____ rib. - Answers second,
fifth
____________ chordae tendineae attach to the leaflet margins and prevent marginal prolapse of
the leaflet, whereas ____________ chordae tendineae anchor the leaflets' ventricular surface to
the papillary muscle and relieve tension. - Answers Primary
secondary
Deoxygenated blood from the intestines drains into the - Answers Superior and inferior
mesenteric veins.
The _____ is the largest artery in the body. - Answers aorta
The _____ provides blood supply to the brain and contains alternate routes in case of blockage. -
Answers Circle of Willis
_____________ is caused by the blood flow generated by the heart as it pumps and the resistance
that blood encounters as it moves through the enclosed vessel. - Answers Blood pressure
____________ circulation moves blood between the heart and lungs, and _______________
circulation moves blood between the heart and the rest of the body. - Answers Pulmonary,
Systemic
The ______________ visceral branches are the celiac trunk, the superior mesenteric artery, and the
inferior mesenteric artery, whereas the ________ visceral branches are the suprarenal, renal, and
gonadal arteries. - Answers unpaired, paired
If your instructor asked you to discuss the arteries of the upper limb in order, from superior to
inferior, which of the following would you most likely say? - Answers The subclavian artery is the
first part of the long trunk that supplies each upper extremity, and at the axilla, it becomes the
axillary artery, which ends at the lower border of the tendon of the teres major, where it
becomes the brachial artery.
Oxygen from inhaled air diffuses from the alveoli into the pulmonary capillaries surrounding
