A&P 2 – Biol 2402 Exam 2 - lecture and lab Questions |
2026/2027 | Answers Correct | With Complete Solutions
Which artery is a branch of the right coronary artery and
supplies back walls of the ventricles?
A. Anterior Interventricular Artery
B. Circumflex Artery
C. Posterior Interventricular Artery
C. Posterior Interventricular Artery
Which of the following can be increased to increase the mean
arterial pressure?
1. Heart Rate
2. Stroke Volume
3. Total Peripheral Resistance
A. 1 only
B. 2 only
C. 3 only
D. 1 and 2 only
E. 1, 2, 3
E. 1, 2, 3
Which is an example of a sense organ found within an artery?
A. Cones
B. Carotid Sinus
,C. Vestibuloceptors
D. Rods
B. Carotid Sinus
Which of the following is NOT a component of portal systems?
A. Arterioles
B. Venules
C. Veins
D. Capillaries
A. Arterioles
Which branch of the left coronary artery continues around to the
posterior of the heart leading to the coronary sulcus?
A. Circumflex
B. Marginal
C. Posterior Interventricular
A. Circumflex
Which of the following is more dangerous in terms of
erythroblastosis fetalis?
A. First Pregnancy
B. Second Pregnancy
B. Second Pregnancy
What are the formed elements in the blood?
A. Plasma and clotting factors
,B. Platelets and plasma
C. Red blood cells and white blood cells only
D. Platelets, red blood cells and white blood cells
D. Platelets, red blood cells and white blood cells
What is attached to the atrioventricular valves via stringy
tendons?
A. Vena Cava
B. Chordae Tendineae
C. Papillary Muscles
D. Trabeculae Carineae
C. Papillary Muscles
Why does the lymphatic system have low pressure?
A. Lymph is a thin fluid because it lacks red blood cells
B. The lymphatic system lacks a central pump
C. Lymphatic vessels have a high resistance to flow
D. The lymphatic system has weak skeletal muscle pumps
B. The lymphatic system lacks a central pump
In fetal circulation, which vessel supplies blood to the smaller
arteries that provide oxygen to the developing brain?
A. Ascending Aorta
B. Aortic Arch
C. Descending Aorta
D. Pulmonary Vein
, B. Aortic Arch
Which term refers to the chemoreceptors located in the carotid
artery?
A. Baroreceptors
B. Carotid Sinuses
C. Carotid Bodies
D. Aortic Bodies
C. Carotid Bodies
Which molecule is the precursor to fibrin?
A. Thromboplastin
B. Collagen
C. Thrombin
D. Fibronogen
D. Fibronogen
Which best represents the correct flow of blood through the
heart, immediately after it returns from the venous circulation?
A. Left ventricle, right ventricle, right atrium, left atrium
B. Right atrium, right ventricle, left atrium, left ventricle
C. Left atrium, left ventricle, right atrium, right ventricle
D. Left atrium, right atrium, left ventricle, right ventricle
B. Right atrium, right ventricle, left atrium, left ventricle
Which type of blood vessel carries blood away from the heart?
2026/2027 | Answers Correct | With Complete Solutions
Which artery is a branch of the right coronary artery and
supplies back walls of the ventricles?
A. Anterior Interventricular Artery
B. Circumflex Artery
C. Posterior Interventricular Artery
C. Posterior Interventricular Artery
Which of the following can be increased to increase the mean
arterial pressure?
1. Heart Rate
2. Stroke Volume
3. Total Peripheral Resistance
A. 1 only
B. 2 only
C. 3 only
D. 1 and 2 only
E. 1, 2, 3
E. 1, 2, 3
Which is an example of a sense organ found within an artery?
A. Cones
B. Carotid Sinus
,C. Vestibuloceptors
D. Rods
B. Carotid Sinus
Which of the following is NOT a component of portal systems?
A. Arterioles
B. Venules
C. Veins
D. Capillaries
A. Arterioles
Which branch of the left coronary artery continues around to the
posterior of the heart leading to the coronary sulcus?
A. Circumflex
B. Marginal
C. Posterior Interventricular
A. Circumflex
Which of the following is more dangerous in terms of
erythroblastosis fetalis?
A. First Pregnancy
B. Second Pregnancy
B. Second Pregnancy
What are the formed elements in the blood?
A. Plasma and clotting factors
,B. Platelets and plasma
C. Red blood cells and white blood cells only
D. Platelets, red blood cells and white blood cells
D. Platelets, red blood cells and white blood cells
What is attached to the atrioventricular valves via stringy
tendons?
A. Vena Cava
B. Chordae Tendineae
C. Papillary Muscles
D. Trabeculae Carineae
C. Papillary Muscles
Why does the lymphatic system have low pressure?
A. Lymph is a thin fluid because it lacks red blood cells
B. The lymphatic system lacks a central pump
C. Lymphatic vessels have a high resistance to flow
D. The lymphatic system has weak skeletal muscle pumps
B. The lymphatic system lacks a central pump
In fetal circulation, which vessel supplies blood to the smaller
arteries that provide oxygen to the developing brain?
A. Ascending Aorta
B. Aortic Arch
C. Descending Aorta
D. Pulmonary Vein
, B. Aortic Arch
Which term refers to the chemoreceptors located in the carotid
artery?
A. Baroreceptors
B. Carotid Sinuses
C. Carotid Bodies
D. Aortic Bodies
C. Carotid Bodies
Which molecule is the precursor to fibrin?
A. Thromboplastin
B. Collagen
C. Thrombin
D. Fibronogen
D. Fibronogen
Which best represents the correct flow of blood through the
heart, immediately after it returns from the venous circulation?
A. Left ventricle, right ventricle, right atrium, left atrium
B. Right atrium, right ventricle, left atrium, left ventricle
C. Left atrium, left ventricle, right atrium, right ventricle
D. Left atrium, right atrium, left ventricle, right ventricle
B. Right atrium, right ventricle, left atrium, left ventricle
Which type of blood vessel carries blood away from the heart?
