A) vena cava
B) aorta
C) atrioventricular valve
D) semilunar valve
E) left atrium
Correct Answer
verified
Multiple Choice
A) artery
B) vein
C) capillary
D) arteriole
E) Damage to any of the blood vessels will result in a forceful spray of blood.
Correct Answer
verified
Multiple Choice
A) one atrium and one ventricle
B) two atria and one ventricle
C) one atrium and two ventricles
D) two atria and two ventricles
E) two atria and a partially divided ventricle
Correct Answer
verified
Multiple Choice
A) An open system will have the blood leave the blood vessels and dump into the hemocoel while the closed one will retain the blood within the system.
B) An open system will keep the blood within the blood vessels while the closed one will dump the blood into the hemocoel.
C) An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the system.
D) An open system will have the blood leave the blood vessels and dump into the lungs or gills while the closed one will retain the blood within the heomocoel.
E) The blood within a closed circulatory system does not contain hemoglobin.
Correct Answer
verified
Multiple Choice
A) lymphocytes
B) neutrophils
C) macrophages
D) both neutrophils and macrophages
E) both lymphocytes and macrophages
Correct Answer
verified
Multiple Choice
A) They are biconcave disks that lack nuclei when mature.
B) Their normal life span is about 120 days.
C) Hemoglobin is a protein that binds oxygen loosely to transport it.
D) There are about 6 million red blood cells per cubic millimeter of whole blood.
E) They are mainly produced in the liver.
Correct Answer
verified
Multiple Choice
A) ventricle - systemic circuit - right atrium ventricle - pulmonary circuit - left atrium
B) right atrium - ventricle - systemic circuit left atrium - ventricle - pulmonary circuit
C) ventricle - gill capillaries - aorta - systemic circuit - atrium
D) right atrium - systemic circuit - ventricle left atrium - pulmonary circuit - ventricle
E) ventricle - systemic circuit - left atrium ventricle - pulmonary circuit - right atrium
Correct Answer
verified
Multiple Choice
A) muscle fibers called myocardium.
B) an outer membranous sac called the pericardium.
C) endocardium.
D) All of the choices are correct.
E) smooth muscle fibers.
Correct Answer
verified
Multiple Choice
A) red blood cells
B) white blood cells
C) plasma proteins
D) platelets
Correct Answer
verified
Multiple Choice
A) human
B) grasshopper
C) bird
D) earthworm
E) flatworm
Correct Answer
verified
Multiple Choice
A) Water would not leave the blood stream which could disrupt the movement of oxygen and carbon dioxide through the membrane.
B) Water will leave the blood stream allowing oxygen and carbon dioxide to diffuse out of the blood stream.
C) Oxygen and carbon dioxide will increase their rate of diffusion into the interstitial fluid.
D) Nothing will occur because the blood pressure does not impact the movement of gases.
Correct Answer
verified
Showing 41 - 51 of 51
Related Exams