Question 1

How does the circulatory system provide protection for the body?

Accepted Answer

A) prevents blood loss through clotting 
B) leukocytes fight infection 
C) provides the body's immunity 
D) All apply 
A) prevents blood loss through clotting 
B) leukocytes fight infection 
C) provides the body's immunity 
D) All apply

Question 2

A person with Rh- blood will normally have antibodies against Rh present in their blood.

Accepted Answer

A) True 
 B)False

Question 3

Diets promoting cardiovascular health contain no more than ______________ of total calories as fat.

Accepted Answer

A) 30% 
B) 0% 
C) 50% 
D) 20% 
A) 30% 
B) 0% 
C) 50% 
D) 20%

Question 4

What valve keeps blood from flowing back into the right atrium from the right ventricle?

Accepted Answer

A) tricuspid valve 
B) bicuspid valve 
C) mitral valve 
D) pulmonary semilunar valve 
A) tricuspid valve 
B) bicuspid valve 
C) mitral valve 
D) pulmonary semilunar valve

Question 5

The action potential of cardiac pacemaker cells is caused by

Accepted Answer

A) inward diffusion of Na+. 
B) inward diffusion of Ca2+. 
C) inward diffusion of K+. 
D) outward diffusion of K+. 
A) inward diffusion of Na+. 
B) inward diffusion of Ca2+. 
C) inward diffusion of K+. 
D) outward diffusion of K+.

Question 6

The ______________ are the last part of the electrical conducting system of the heart.

Accepted Answer

A) SA node 
B) AV bundle 
C) Bundle of His 
D) Purkinje fibers 
A) SA node 
B) AV bundle 
C) Bundle of His 
D) Purkinje fibers

Question 7

Inhibiting gastric function would stimulate

Accepted Answer

A) iron-deficiency anemiA. 
B) pernicious anemia. 
C) aplastic anemia. 
D) leukemia. 
A) iron-deficiency anemiA. 
B) pernicious anemia. 
C) aplastic anemia. 
D) leukemia.

Question 8

What is the stimulus for the release of erythropoietin?

Accepted Answer

A) low RBC count 
B) decreased blood oxygen levels 
C) low amount of hemoglobin 
D) All apply 
A) low RBC count 
B) decreased blood oxygen levels 
C) low amount of hemoglobin 
D) All apply

Question 9

Which anticoagulant and its action is NOT correctly matched?

Accepted Answer

A) aspirin - inhibits prostaglandin production and platelet aggregation 
B) heparin - inhibits action of thrombin 
C) coumadin - inhibits tissue thromboplastin 
D) citrate - combines with calcium to prevent its function with clotting factors 
A) aspirin - inhibits prostaglandin production and platelet aggregation 
B) heparin - inhibits action of thrombin 
C) coumadin - inhibits tissue thromboplastin 
D) citrate - combines with calcium to prevent its function with clotting factors

Question 10

Hypoxia may stimulate new blood vessel growth.

Accepted Answer

A) True 
 B)False

Question 11

Receptors for LDLs are called

Accepted Answer

A) foam cells. 
B) apolipoproteins. 
C) atheromas. 
D) lactate dehydrogenase. 
A) foam cells. 
B) apolipoproteins. 
C) atheromas. 
D) lactate dehydrogenase.

Question 12

The lymphatic system is part of the circulatory system.

Accepted Answer

A) True 
 B)False

Question 13

Veins carry blood away from the heart.

Accepted Answer

A) True 
 B)False

Question 14

Having no nucleus,a biconcave shape,and the function of gas transport would describe a

Accepted Answer

A) red blood cell. 
B) platelet. 
C) white blood cell. 
D) albumin. 
A) red blood cell. 
B) platelet. 
C) white blood cell. 
D) albumin.

Question 15

An ECG lacking a T wave would occur if the sinoatrial node were not functioning.

Accepted Answer

A) True 
 B)False

Question 16

What substances are needed to produce red blood cells?

Accepted Answer

A) vitamin B12 
B) folic acid 
C) iron 
D) All apply 
A) vitamin B12 
B) folic acid 
C) iron 
D) All apply

Question 17

Fenestrated capillaries are found in the

Accepted Answer

A) liver and bone marrow. 
B) skeletal muscles. 
C) adipose tissue. 
D) endocrine glands. 
A) liver and bone marrow. 
B) skeletal muscles. 
C) adipose tissue. 
D) endocrine glands.

Question 18

Within the blood vessels,valves are found in the

Accepted Answer

A) arteries. 
B) capillaries. 
C) arterioles. 
D) veins. 
A) arteries. 
B) capillaries. 
C) arterioles. 
D) veins.

Question 19

The myocardium acts as a single,functioning unit called a/an

Accepted Answer

A) multi-unit muscle. 
B) pacemaker. 
C) isoelectric unit. 
D) functional syncytium. 
A) multi-unit muscle. 
B) pacemaker. 
C) isoelectric unit. 
D) functional syncytium.

Question 20

Damage to tissues stimulates the activation of the ______________ blood clotting pathway.

Accepted Answer

A) complement 
B) hemophilic 
C) intrinsic 
D) extrinsic 
A) complement 
B) hemophilic 
C) intrinsic 
D) extrinsic

How does the circulatory system provide protection for the body?

A person with Rh^- blood will normally have antibodies against Rh present in their blood.

Diets promoting cardiovascular health contain no more than ______________ of total calories as fat.

What valve keeps blood from flowing back into the right atrium from the right ventricle?

The action potential of cardiac pacemaker cells is caused by

The ______________ are the last part of the electrical conducting system of the heart.

Inhibiting gastric function would stimulate

What is the stimulus for the release of erythropoietin?

Which anticoagulant and its action is NOT correctly matched?

Hypoxia may stimulate new blood vessel growth.

Receptors for LDLs are called

The lymphatic system is part of the circulatory system.

Veins carry blood away from the heart.

Having no nucleus,a biconcave shape,and the function of gas transport would describe a

An ECG lacking a T wave would occur if the sinoatrial node were not functioning.

What substances are needed to produce red blood cells?

Fenestrated capillaries are found in the

Within the blood vessels,valves are found in the

The myocardium acts as a single,functioning unit called a/an

Damage to tissues stimulates the activation of the ______________ blood clotting pathway.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Exam 13: Blood,Heart and Circulation

How does the circulatory system provide protection for the body?

A person with Rh- blood will normally have antibodies against Rh present in their blood.

Diets promoting cardiovascular health contain no more than ______________ of total calories as fat.

What valve keeps blood from flowing back into the right atrium from the right ventricle?

The action potential of cardiac pacemaker cells is caused by

The ______________ are the last part of the electrical conducting system of the heart.

Inhibiting gastric function would stimulate

What is the stimulus for the release of erythropoietin?

Which anticoagulant and its action is NOT correctly matched?

Hypoxia may stimulate new blood vessel growth.

Receptors for LDLs are called

The lymphatic system is part of the circulatory system.

Veins carry blood away from the heart.

Having no nucleus,a biconcave shape,and the function of gas transport would describe a

An ECG lacking a T wave would occur if the sinoatrial node were not functioning.

What substances are needed to produce red blood cells?

Fenestrated capillaries are found in the

Within the blood vessels,valves are found in the

The myocardium acts as a single,functioning unit called a/an

Damage to tissues stimulates the activation of the ______________ blood clotting pathway.

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

A person with Rh^- blood will normally have antibodies against Rh present in their blood.