Question 1

In the capillaries of an ice fish,how would oxygen get into tissues?

Accepted Answer

A)  By active transport
B)  By facilitated diffusion
C)  By diffusion
D)  By osmosis
E)  By binding to hemoglobin receptorsF) B) and E)
G) A) and E)

Question 2

The major vein returning blood to the heart from all areas below the diaphragm is the:

Accepted Answer

A)  Femoral vein
B)  Pulmonary vein
C)  Inferior vena cava
D)  Superior vena cava
E)  Jugular veinF) A) and D)
G) B) and D)

Question 3

Why could you donate plasma twice a week?

Accepted Answer

A)  Plasma only contains proteins and fluid which can be rapidly replaced
B)  Plasma contains platelets which can be replaced quickly
C)  Plasma contains red blood cells which can be replaced quickly
D)  Plasma contains only water and can be rapidly replaced
E)  Plasma is regenerated from the blood cells injected back into the donorF) B) and E)
G) A) and C)

Question 4

Which chamber of the heart becomes enlarged in a person with atherosclerosis?

Accepted Answer

A)  Left atrium
B)  Right ventricle
C)  Left ventricle
D)  Right atrium
E)  SA nodeF) None of the above
G) B) and E)

Question 5

Among the ice fishes,Neopagetopsis ionah had white blood,but intact alpha and beta globin genes.Why was their blood still white?

Accepted Answer

A)  The fish could produce hemoglobin, but not red blood cells
B)  The alpha and beta genes were both fragmented
C)  The alpha and beta genes were both deleted
D)  The genes were mutated in a way that leaves the fish unable to produce hemoglobin
E)  The fish could produce hemoglobin, but it did not contain an iron atomF) A) and E)
G) C) and D)

Question 6

A valve replacement would prevent which of the following?

Accepted Answer

A)  Flow of blood from the right atrium to right ventricle
B)  Flow of blood from the left ventricle to the aorta
C)  Flow of blood from the inferior vena cava to the right atrium
D)  Flow of blood from the right ventricle to right atrium
E)  Flow of blood from the right ventricle to the pulmonary arteryF) All of the above
G) B) and E)

Question 7

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Accepted Answer

A) True 
 B)False

Question 8

If blood pressure is too high,the brain _________ heart rate and causes blood vessels to _________.

Accepted Answer

A)  Increases, dilate
B)  Increases, constrict
C)  Decreases, constrict
D)  Decreases, dilate
E)  Increases, ruptureF) B) and E)
G) A) and E)

Question 9

The instrument that measures blood pressure is the:

Accepted Answer

A)  Barometer
B)  Stethoscope
C)  Electrocardiogram
D)  Sphygmomanometer
E)  HygrometerF) A) and B)
G) B) and E)

Question 10

The sinoatrial node,also called the pacemaker,sets the tempo of the heart beat.

Accepted Answer

A) True 
 B)False

Question 11

The largest artery in the body is the:

Accepted Answer

A)  Coronary artery
B)  Superior vena cava
C)  Aorta
D)  Pulmonary artery
E)  Carotid arteryF) C) and D)
G) A) and C)

Question 12

The large vessels of the circulatory system that carry blood away from the heart are:

Accepted Answer

A)  Veins
B)  Capillaries
C)  Arteries
D)  Lymph vessels
E)  Sieve tubesF) None of the above
G) A) and D)

Question 13

The pulmonary vein transports deoxygenated blood from the lungs to the heart.

Accepted Answer

A) True 
 B)False

Question 14

When taking a person's blood pressure,after proper inflation of the cuff and after hearing appropriate pulse sound through the stethoscope,the reading on the pressure gauge at the disappearance of this sound represents:

Accepted Answer

A)  That the heart is once again beating
B)  The force of contraction of the atria
C)  Venous pressure
D)  Diastolic pressure
E)  Systolic pressureF) C) and D)
G) A) and D)

Question 15

The lymphatic system collects fluid that has leaked from blood capillaries,removes bacteria,and returns the cleansed fluid to the blood.

Accepted Answer

A) True 
 B)False

Question 16

The major vein that delivers blood from the lungs to the heart is the:

Accepted Answer

A)  Femoral vein
B)  Inferior vena cava
C)  Superior vena cava
D)  Pulmonary vein
E)  Jugular veinF) B) and D)
G) B) and C)

Question 17

Ice fish would have which of the following circulatory systems?

Accepted Answer

A)  Closed with a two-chambered heart
B)  Open
C)  Closed with a single-chambered heart
D)  Closed with a three-chambered heart
E)  Closed with a four-chambered heartF) A) and D)
G) D) and E)

Question 18

If blood pressure is too low,the brain __________ heart rate and causes blood vessels to _________.

Accepted Answer

A)  Increases, dilate
B)  Decreases, dilate
C)  Increases, constrict
D)  Decreases, constrict
E)  Increases, ruptureF) A) and B)
G) A) and C)

Question 19

The cellular fragments that help in initiating blood clotting are:

Accepted Answer

A)  Leukocytes
B)  Erythrocytes
C)  Platelets
D)  Chondrocytes
E)  OsteocytesF) A) and D)
G) B) and E)

Question 20

Why would exercise help your blood circulation in your legs?

Accepted Answer

A)  As muscles contract they squeeze blood through the veins and increased heart rate pushes more blood into the legs
B)  Increased heart rate pushes more blood into the legs
C)  As muscles contract they squeeze blood through the veins
D)  Exercise increases the amount of red blood cells
E)  Exercise increases the amount of red blood cells and increased heart rate pushes more blood into the legsF) B) and E)
G) C) and D)

Exam 29: The Circulatory System

Why would exercise help your blood circulation in your legs?

Correct AnswerverifiedShow Answer

A valve replacement would prevent which of the following?

Correct AnswerverifiedShow Answer

If blood pressure is too high,the brain _________ heart rate and causes blood vessels to _________.

Correct AnswerverifiedShow Answer

The largest artery in the body is the:

Correct AnswerverifiedShow Answer

Ice fish would have which of the following circulatory systems?

Correct AnswerverifiedShow Answer

If blood pressure is too low,the brain __________ heart rate and causes blood vessels to _________.

Correct AnswerverifiedShow Answer

The sinoatrial node,also called the pacemaker,sets the tempo of the heart beat.

Correct AnswerverifiedShow Answer

In the capillaries of an ice fish,how would oxygen get into tissues?

Correct AnswerverifiedShow Answer

The large vessels of the circulatory system that carry blood away from the heart are:

Correct AnswerverifiedShow Answer

The lymphatic system collects fluid that has leaked from blood capillaries,removes bacteria,and returns the cleansed fluid to the blood.

Correct AnswerverifiedShow Answer

The cellular fragments that help in initiating blood clotting are:

Correct AnswerverifiedShow Answer

The major vein that delivers blood from the lungs to the heart is the:

Correct AnswerverifiedShow Answer

When taking a person's blood pressure,after proper inflation of the cuff and after hearing appropriate pulse sound through the stethoscope,the reading on the pressure gauge at the disappearance of this sound represents:

Correct AnswerverifiedShow Answer

The major vein returning blood to the heart from all areas below the diaphragm is the:

Correct AnswerverifiedShow Answer

The instrument that measures blood pressure is the:

Correct AnswerverifiedShow Answer

Which chamber of the heart becomes enlarged in a person with atherosclerosis?

Correct AnswerverifiedShow Answer

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Correct AnswerverifiedShow Answer

Why could you donate plasma twice a week?

Correct AnswerverifiedShow Answer

The pulmonary vein transports deoxygenated blood from the lungs to the heart.

Correct AnswerverifiedShow Answer

Among the ice fishes,Neopagetopsis ionah had white blood,but intact alpha and beta globin genes.Why was their blood still white?

Correct AnswerverifiedShow Answer

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If blood pressure is too high,the brain _ heart rate and causes blood vessels to _.

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If blood pressure is too low,the brain __ heart rate and causes blood vessels to _.

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