Question 1

Which of the following factors would cause fluid to be reabsorbed into the blood vessel at the venous end of the capillary?

Accepted Answer

A)  High hydrostatic pressure of the blood 
B)  High colloid pressure of the plasma proteins 
C)  Hydrostatic pressure of the interstitial fluid 
D)  Both B and C 
A)  High hydrostatic pressure of the blood 
B)  High colloid pressure of the plasma proteins 
C)  Hydrostatic pressure of the interstitial fluid 
D)  Both B and C

Question 2

Which of the following would not cause an ectopic beat?

Accepted Answer

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

Question 3

Which of the following blood vessels has the largest total cross-sectional area?

Accepted Answer

A)  Capillary 
B)  Aorta 
C)  Vena cava 
D)  Arteriole 
A)  Capillary 
B)  Aorta 
C)  Vena cava 
D)  Arteriole

Question 4

A decrease in total plasma volume results from the _____ mechanism.

Accepted Answer

A)  atrial natriuretic hormone 
B)  antidiuretic hormone 
C)  renin-angiotensin 
D)  aldosterone 
A)  atrial natriuretic hormone 
B)  antidiuretic hormone 
C)  renin-angiotensin 
D)  aldosterone

Question 5

Which of the following statements is true regarding local control of arterioles?

Accepted Answer

A)  Local vasodilation is also referred to as reactive hyperemia. 
B)  Nitric oxide causes vasoconstriction. 
C)  Endothelin causes vasodilation. 
D)  All of the above statements are true regarding local control of arterioles. 
A)  Local vasodilation is also referred to as reactive hyperemia. 
B)  Nitric oxide causes vasoconstriction. 
C)  Endothelin causes vasodilation. 
D)  All of the above statements are true regarding local control of arterioles.

Question 6

Which of the following is not true of the baroreceptors?

Accepted Answer

A)  They are stretch receptors. 
B)  They are sensitive to changes in the oxygen content of the blood. 
C)  They send afferent nerve impulses to the cardiac control centers. 
D)  They are located in the carotid sinus and the aorta. 
A)  They are stretch receptors. 
B)  They are sensitive to changes in the oxygen content of the blood. 
C)  They send afferent nerve impulses to the cardiac control centers. 
D)  They are located in the carotid sinus and the aorta.

Question 7

A collection of mechanisms that influence the circulation of the blood is the definition for:

Accepted Answer

A)  baroreceptors. 
B)  hemodynamics. 
C)  minute volume. 
D)  the Fick law. 
A)  baroreceptors. 
B)  hemodynamics. 
C)  minute volume. 
D)  the Fick law.

Question 8

Which of the following factors increases heart rate?

Accepted Answer

A)  Sudden, intense pain of visceral organs such as the intestines and the gallbladder 
B)  Stimulation of skin receptors by cold 
C)  Anxiety and fear 
D)  Grief 
A)  Sudden, intense pain of visceral organs such as the intestines and the gallbladder 
B)  Stimulation of skin receptors by cold 
C)  Anxiety and fear 
D)  Grief

Question 9

As compared with the body's own heart pacemaker,what is the major disadvantage of a mechanical pacemaker?

Accepted Answer

A mechanical pacemaker, also known as an

Question 10

Match each part of the conduction system of the heart to the description of its location or function.
-bundle that facilitates the rapid conduction to the left atrium

Accepted Answer

A) Interatrial bundles 
B) Atrioventricular node 
C) Sinoatrial node 
D) Purkinje fibers 
E) Bundles of His
F)Internodal bundles 
A) Interatrial bundles 
B) Atrioventricular node 
C) Sinoatrial node 
D) Purkinje fibers 
E) Bundles of His
F)Internodal bundles

Question 11

The QRS complex represents:

Accepted Answer

A)  depolarization of the atria. 
B)  repolarization of the atria and depolarization of the ventricles. 
C)  depolarization of both the atria and ventricles. 
D)  repolarization of the ventricles. 
A)  depolarization of the atria. 
B)  repolarization of the atria and depolarization of the ventricles. 
C)  depolarization of both the atria and ventricles. 
D)  repolarization of the ventricles.

Question 12

Draw a normal ECG.Identify the physiological activity within the heart during each ECG deflection and interval.

Accepted Answer

An ECG, or electrocardiogram, is a graph

Question 13

Circulatory shock caused by the effects of infectious agents is called _____ shock.

Accepted Answer

A)  cardiogenic 
B)  hypovolemic 
C)  anaphylactic 
D)  septic 
A)  cardiogenic 
B)  hypovolemic 
C)  anaphylactic 
D)  septic

Question 14

Which of the following factors would cause fluid to leave the blood vessel at the arterial end of the capillary?

Accepted Answer

A)  High hydrostatic pressure of the blood 
B)  High hydrostatic pressure of the interstitial fluid 
C)  High colloid pressure of the plasma proteins 
D)  All of the above 
A)  High hydrostatic pressure of the blood 
B)  High hydrostatic pressure of the interstitial fluid 
C)  High colloid pressure of the plasma proteins 
D)  All of the above

Question 15

The pulse in the neck is felt over which artery?

Accepted Answer

A)  Temporal 
B)  Common carotid 
C)  Esophageal 
D)  Vertebral 
A)  Temporal 
B)  Common carotid 
C)  Esophageal 
D)  Vertebral

Question 16

Match each part of the conduction system of the heart to the description of its location or function.
-branches that are at the terminal ends of the bundles of His

Accepted Answer

A) Interatrial bundles 
B) Atrioventricular node 
C) Sinoatrial node 
D) Purkinje fibers 
E) Bundles of His
F)Internodal bundles 
A) Interatrial bundles 
B) Atrioventricular node 
C) Sinoatrial node 
D) Purkinje fibers 
E) Bundles of His
F)Internodal bundles

Question 17

Cardiac output is determined by the:

Accepted Answer

A)  return of blood to the heart and the heart rate. 
B)  strength of contraction of the left ventricle. 
C)  stroke volume and heart rate. 
D)  systolic discharge and stroke volume. 
A)  return of blood to the heart and the heart rate. 
B)  strength of contraction of the left ventricle. 
C)  stroke volume and heart rate. 
D)  systolic discharge and stroke volume.

Question 18

Match each ECG wave or complex with the corresponding action in the cardiac cycle.
-ventricular repolarization

Accepted Answer

A) QRS complex 
B) P wave 
C) T wave 
D) U wave 
A) QRS complex 
B) P wave 
C) T wave 
D) U wave

Question 19

Heart sounds are made by the _____ valves.

Accepted Answer

A)  closing of the AV 
B)  closing of the semilunar 
C)  movement of blood through the 
D)  Both A and B are correct. 
A)  closing of the AV 
B)  closing of the semilunar 
C)  movement of blood through the 
D)  Both A and B are correct.

Question 20

When you take a blood pressure reading,the first sound that you hear (top reading)is the:

Accepted Answer

A)  systolic sound, indicating the relaxation of the ventricles. 
B)  systolic sound, indicating the contraction of the ventricles. 
C)  diastolic reading, indicating the contraction of the atria. 
D)  diastolic sound, indicating the relaxation of the ventricles. 
A)  systolic sound, indicating the relaxation of the ventricles. 
B)  systolic sound, indicating the contraction of the ventricles. 
C)  diastolic reading, indicating the contraction of the atria. 
D)  diastolic sound, indicating the relaxation of the ventricles.

Exam 22: B: Physiology of the Cardiovascular System

Which of the following factors would cause fluid to be reabsorbed into the blood vessel at the venous end of the capillary?

Which of the following would not cause an ectopic beat?

Which of the following blood vessels has the largest total cross-sectional area?

A decrease in total plasma volume results from the _____ mechanism.

Which of the following statements is true regarding local control of arterioles?

Which of the following is not true of the baroreceptors?

A collection of mechanisms that influence the circulation of the blood is the definition for:

Which of the following factors increases heart rate?

As compared with the body's own heart pacemaker,what is the major disadvantage of a mechanical pacemaker?

Match each part of the conduction system of the heart to the description of its location or function. -bundle that facilitates the rapid conduction to the left atrium

The QRS complex represents:

Draw a normal ECG.Identify the physiological activity within the heart during each ECG deflection and interval.

Circulatory shock caused by the effects of infectious agents is called _____ shock.

Which of the following factors would cause fluid to leave the blood vessel at the arterial end of the capillary?

The pulse in the neck is felt over which artery?

Match each part of the conduction system of the heart to the description of its location or function. -branches that are at the terminal ends of the bundles of His

Cardiac output is determined by the:

Match each ECG wave or complex with the corresponding action in the cardiac cycle. -ventricular repolarization

Heart sounds are made by the _____ valves.

When you take a blood pressure reading,the first sound that you hear (top reading)is the:

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

B: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

B: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

B: Physiology of the Digestive System

A: Nutrition and Metabolism

B: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

B: Genetics and Heredity

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