Question 1

In organisms that lack a circulatory system,what is the most common method of exchanging nutrients from the external environment to the body?

Accepted Answer

A)   diffusion
B)   osmosis
C)   absorption
D)   swallowing them whole.
E)   engulfing them into their stomach.F) A) and E)
G) A) and D)

Question 2

Blood in veins

Accepted Answer

A)   is moved by the contraction of the muscles in the walls of the veins.
B)   is moved away from the heart by skeletal muscle contraction.
C)   is usually high in oxygen.
D)   is moved away from the heart with the help of the valves within the veins.
E)   is moved toward the heart by skeletal muscle contraction.F) A) and D)
G) A) and B) E

Question 3

Which substance will always leave the tissue fluid and enter the capillary and never go the other way?

Accepted Answer

A)   carbon dioxide
B)   glucose
C)   oxygen
D)   amino acids
E)   waterF) D) and E)
G) C) and D)

Question 4

A type of parasitic worm lives in the lymph vessels of humans,blocking the flow of lymph.What symptoms would you expect in someone with such an infection?

Accepted Answer

A)   the collection of tissue fluids in the areas blocked by the worms
B)   the inability to fight infection
C)   ventricular fibrillation
D)   heart attack
E)   the inability to absorb carbohydrates and proteinsF) C) and D)
G) A) and D)

Question 5

When red blood cells are destroyed,the heme molecule is returned to the bone marrow to be used again.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following features are incorrectly matched with the type of blood vessel in which it is found?

Accepted Answer

A)   well developed middle layer with smooth muscle and elastic tissue - arteries
B)   narrow, microscopic tubes of endothelium - capillaries
C)   valves are present insuring one-way flow of blood - veins
D)   thick, well developed walls due to the presence of a thick layer of smooth muscle - veins
E)   formed from capillaries and join to form veins - venulesF) A) and B)
G) B) and E)

Question 7

Which organism has an open circulatory system?

Accepted Answer

A)   grasshopper
B)   frog
C)   eagle
D)   human
E)   sharkF) B) and E)
G) C) and D)

Question 8

Accepted Answer

A)   pulmonary trunk
B)   septum
C)   left atrium
D)   right ventricle
E)   superior vena cavaF) All of the above
G) B) and E)

Question 9

Which of the following collects all the venous blood from below the heart?

Accepted Answer

A)   pulmonary artery
B)   renal vein
C)   hepatic portal vein
D)   aorta
E)   inferior vena cavaF) C) and E)
G) A) and E)

Question 10

The presence of salts and plasma proteins in capillaries causes

Accepted Answer

A)   a greater osmotic pressure than blood pressure at the arterial end.
B)   diffusion of water into the body tissues.
C)   greater osmotic pressure in the blood than in body tissues.
D)   slower flow of blood through capillaries.
E)   water to move out of the blood capillary at the venous end.F) A) and B)
G) A) and C) C

Question 11

If blood is blocked from reaching the heart muscle and it results in chest pain

Accepted Answer

A)   this indicates a heart attack has occurred due to the lack of oxygen to part of the heart muscle.
B)   it is called angina pectoris.
C)   this indicates a heart attack has occurred due to a stroke.
D)   the likely cause is a heart murmur.
E)   a probable treatment is a blood transfusion.F) A) and B)
G) A) and C) A

Question 12

A four chambered heart,veins,arteries,and capillaries are found in

Accepted Answer

A)   all closed circulatory systems.
B)   some closed circulatory systems.
C)   some open circulatory systems.
D)   all open circulatory systems.
E)   mammals only.F) C) and D)
G) A) and B)

Question 13

The advantage of the double loop circulatory pathway of some vertebrates over the single loop circulatory pathway of fish is that

Accepted Answer

A)   the blood is put back under pressure after picking up oxygen in the respiratory organ.
B)   all the O2-rich is pumped to the systemic arteries of the body.
C)   the O2-rich blood and O2-poor blood mixes in the single ventricle.
D)   the ventricle acts as a strong pump.
E)   the atria act as receiving chambers.F) A) and E)
G) B) and C)

Question 14

Formation of plaques in atherosclerosis can lead to hypertension,blood clots,stroke,and heart attacks.

Accepted Answer

A) True 
 B)False

Question 15

The two large lymphatic ducts deliver lymph to the subclavian veins.

Accepted Answer

A) True 
 B)False

Question 16

Which statement is true about the arterial end of a capillary?

Accepted Answer

A)   The blood pressure is higher than the osmotic pressure, causing water to leave the bloodstream.
B)   The blood pressure is lower than the osmotic pressure, causing water to leave the bloodstream.
C)   The blood pressure is higher than the osmotic pressure, causing water to enter the bloodstream.
D)   The blood pressure is equal to the osmotic pressure, causing water to leave the bloodstream.
E)   The blood pressure is equal to the osmotic pressure, causing water to enter the bloodstream.F) A) and B)
G) D) and E)

Question 17

The substance indicated by the A in the figure shown here

Accepted Answer

A)   is composed of formed elements, mostly platelets.
B)   is a fluid and contains nutrients, gases, proteins, and ions.
C)   is composed of formed elements, mostly white blood cells.
D)   is 100% water.
E)   carries most of the oxygen in the blood.F) B) and D)
G) A) and C)

Question 18

Taking up fat from digested foods along with excess tissue fluid and returning it to cardiovascular veins is a function of the

Accepted Answer

A)   circulatory system.
B)   systemic circuit.
C)   lymphatic system.
D)   pulmonary circuit.
E)   cardiovascular arteries.F) B) and D)
G) A) and D)

Question 19

The blood vessels to the lungs and back are collectively known as the

Accepted Answer

A)   pulmonary circulation.
B)   systemic circulation.
C)   lymphatic system.
D)   portal system.
E)   oxygen exchange system.F) A) and B)
G) D) and E)

Question 20

Both a coronary bypass operation and a stent insertion procedure are treatments used for which of the following conditions?

Accepted Answer

A)   blockage of a coronary artery
B)   hypertension
C)   anemia
D)   heart murmur
E)   ventricular defibrillationF) A) and B)
G) A) and E)

Exam 23: The Transport Systems

In organisms that lack a circulatory system,what is the most common method of exchanging nutrients from the external environment to the body?

Correct Answer
verified

Blood in veins

Correct Answer
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E

Which substance will always leave the tissue fluid and enter the capillary and never go the other way?

Correct Answer
verified

A type of parasitic worm lives in the lymph vessels of humans,blocking the flow of lymph.What symptoms would you expect in someone with such an infection?

Correct Answer
verified

When red blood cells are destroyed,the heme molecule is returned to the bone marrow to be used again.

Correct Answer
verified

Which of the following features are incorrectly matched with the type of blood vessel in which it is found?

Correct Answer
verified

Which organism has an open circulatory system?

Correct Answer
verified

Correct Answer
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Which of the following collects all the venous blood from below the heart?

Correct Answer
verified

The presence of salts and plasma proteins in capillaries causes

Correct Answer
verified
C

If blood is blocked from reaching the heart muscle and it results in chest pain

Correct Answer
verified
A

A four chambered heart,veins,arteries,and capillaries are found in

Correct Answer
verified

The advantage of the double loop circulatory pathway of some vertebrates over the single loop circulatory pathway of fish is that

Correct Answer
verified

Formation of plaques in atherosclerosis can lead to hypertension,blood clots,stroke,and heart attacks.

Correct Answer
verified

The two large lymphatic ducts deliver lymph to the subclavian veins.

Correct Answer
verified

Which statement is true about the arterial end of a capillary?

Correct Answer
verified

The substance indicated by the A in the figure shown here

Correct Answer
verified

Taking up fat from digested foods along with excess tissue fluid and returning it to cardiovascular veins is a function of the

Correct Answer
verified

The blood vessels to the lungs and back are collectively known as the

Correct Answer
verified

Both a coronary bypass operation and a stent insertion procedure are treatments used for which of the following conditions?

Correct Answer
verified

Exam 23: The Transport Systems

In organisms that lack a circulatory system,what is the most common method of exchanging nutrients from the external environment to the body?

Correct AnswerverifiedShow Answer

Blood in veins

Correct AnswerverifiedE

Which substance will always leave the tissue fluid and enter the capillary and never go the other way?

Correct AnswerverifiedShow Answer

A type of parasitic worm lives in the lymph vessels of humans,blocking the flow of lymph.What symptoms would you expect in someone with such an infection?

Correct AnswerverifiedShow Answer

When red blood cells are destroyed,the heme molecule is returned to the bone marrow to be used again.

Correct AnswerverifiedShow Answer

Which of the following features are incorrectly matched with the type of blood vessel in which it is found?

Correct AnswerverifiedShow Answer

Which organism has an open circulatory system?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which of the following collects all the venous blood from below the heart?

Correct AnswerverifiedShow Answer

The presence of salts and plasma proteins in capillaries causes

Correct AnswerverifiedC

If blood is blocked from reaching the heart muscle and it results in chest pain

Correct AnswerverifiedA

A four chambered heart,veins,arteries,and capillaries are found in

Correct AnswerverifiedShow Answer

The advantage of the double loop circulatory pathway of some vertebrates over the single loop circulatory pathway of fish is that

Correct AnswerverifiedShow Answer

Formation of plaques in atherosclerosis can lead to hypertension,blood clots,stroke,and heart attacks.

Correct AnswerverifiedShow Answer

The two large lymphatic ducts deliver lymph to the subclavian veins.

Correct AnswerverifiedShow Answer

Which statement is true about the arterial end of a capillary?

Correct AnswerverifiedShow Answer

The substance indicated by the A in the figure shown here

Correct AnswerverifiedShow Answer

Taking up fat from digested foods along with excess tissue fluid and returning it to cardiovascular veins is a function of the

Correct AnswerverifiedShow Answer

The blood vessels to the lungs and back are collectively known as the

Correct AnswerverifiedShow Answer

Both a coronary bypass operation and a stent insertion procedure are treatments used for which of the following conditions?

Correct AnswerverifiedShow Answer

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E

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C

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A

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