Chapter 23 Structure and Function of the
Cardiovascular and Lymphatic Systems BIO
669 Dr. Avenido Questions With Complete
Solutions
_________ and ___________ of the blood vessels
contributes to resistance Correct Answers
diameter and length
____________ blood flow is where flow is obstructed,
the vessel turns, or blood flows over rough surfaces
Correct Answers turbulent
_____________ acts as a vasodilator and inhibitor of
smooth muscle proliferation. it is also known as the
endothelium-derived relaxing factor Correct
Answers nitric oxide
**locally acting
_____________ are found in similar areas as
baroreceptors, and detect changes in oxygen and
carbon dioxide levels as well as hydrogen levels
Correct Answers arterial chemoreceptors
_____________ is a key regulator in contraction and
maintaining contraction Correct Answers calcium
_____________ plays a role in fetal cardiovascular
system development and vasodilation. The actions
,in adults are unclear Correct Answers
adrenomedullin
______________ sense stretch or changes in pressure
and are found in the aortic arch and carotid arteris
Correct Answers baroreceptors
________________ blood flow is blood flow through
vessels, except where vessels split or branch
Correct Answers laminar
_________________ and _______________ are released
during damage to cardiac cells Correct Answers
troponin T
Troponin I
_________________ determines a vessels response to
pressure changes Correct Answers compliance
_________________ influence short term regulation of
vascular smooth muscle of resistance arteries,
myocardial contractility and HR Correct Answers
baroreceptors
_________________ slows down the leakiness of the
action potential and slows dow the heart rate
Correct Answers acetylcholine
__________________ is the process by which an action
potential arrives as the muscle fiber plasma
, membrane triggers the cycle leading to cross-
bridge formation and contraction *** depends on
calcium availability Correct Answers excitation-
contraction coupling
_____________________ are heart muscle cells that
provide contractile force needed for blood to flow
through heart and into pulmonary and systemic
circulations Correct Answers cardiomyocytes
_____________________ carry oxygenated blood from
the lungs to the left side of the heart Correct
Answers pulmonary veins
______________________ valves open when
intraventriular pressure exceeds aortic and
pulmonary pressures. Valves close after ventricular
ejection and contraction which causes a decrease
in intraventriular pressure Correct Answers
semilunar
________________________ is a key component of the
circulatory system and is a multifunctional tissue
Correct Answers vascular endothelium
_________________________ valves open with ventricle
relaxation. blood flows from high pressure of atria
to low pressure of ventricle. the contraction of the
ventricle causes pressure to increase and close the
valves Correct Answers atrioventricular
Cardiovascular and Lymphatic Systems BIO
669 Dr. Avenido Questions With Complete
Solutions
_________ and ___________ of the blood vessels
contributes to resistance Correct Answers
diameter and length
____________ blood flow is where flow is obstructed,
the vessel turns, or blood flows over rough surfaces
Correct Answers turbulent
_____________ acts as a vasodilator and inhibitor of
smooth muscle proliferation. it is also known as the
endothelium-derived relaxing factor Correct
Answers nitric oxide
**locally acting
_____________ are found in similar areas as
baroreceptors, and detect changes in oxygen and
carbon dioxide levels as well as hydrogen levels
Correct Answers arterial chemoreceptors
_____________ is a key regulator in contraction and
maintaining contraction Correct Answers calcium
_____________ plays a role in fetal cardiovascular
system development and vasodilation. The actions
,in adults are unclear Correct Answers
adrenomedullin
______________ sense stretch or changes in pressure
and are found in the aortic arch and carotid arteris
Correct Answers baroreceptors
________________ blood flow is blood flow through
vessels, except where vessels split or branch
Correct Answers laminar
_________________ and _______________ are released
during damage to cardiac cells Correct Answers
troponin T
Troponin I
_________________ determines a vessels response to
pressure changes Correct Answers compliance
_________________ influence short term regulation of
vascular smooth muscle of resistance arteries,
myocardial contractility and HR Correct Answers
baroreceptors
_________________ slows down the leakiness of the
action potential and slows dow the heart rate
Correct Answers acetylcholine
__________________ is the process by which an action
potential arrives as the muscle fiber plasma
, membrane triggers the cycle leading to cross-
bridge formation and contraction *** depends on
calcium availability Correct Answers excitation-
contraction coupling
_____________________ are heart muscle cells that
provide contractile force needed for blood to flow
through heart and into pulmonary and systemic
circulations Correct Answers cardiomyocytes
_____________________ carry oxygenated blood from
the lungs to the left side of the heart Correct
Answers pulmonary veins
______________________ valves open when
intraventriular pressure exceeds aortic and
pulmonary pressures. Valves close after ventricular
ejection and contraction which causes a decrease
in intraventriular pressure Correct Answers
semilunar
________________________ is a key component of the
circulatory system and is a multifunctional tissue
Correct Answers vascular endothelium
_________________________ valves open with ventricle
relaxation. blood flows from high pressure of atria
to low pressure of ventricle. the contraction of the
ventricle causes pressure to increase and close the
valves Correct Answers atrioventricular
