Question 1

Anger and fear have opposite effects on the heart rate.

Accepted Answer

A) True 
 B)False  False

Question 2

The Fick formula is used for determining:

Accepted Answer

A) cardiac output. 
B) blood vessel resistance. 
C) mean pressure of the arteries. 
D) cardiac cycle. 
A) cardiac output. 
B) blood vessel resistance. 
C) mean pressure of the arteries. 
D) cardiac cycle. A

Question 3

Emotional stress can influence heart rate by creating impulses that go from the cerebrum to the cardiac centers via the hypothalamus.

Accepted Answer

A) True 
 B)False  True

Question 4

Pumping load can also be referred to as preload

Accepted Answer

A) True 
 B)False

Question 5

At rest most of the body's blood supply resides in the pulmonary loop.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is not a means by which venous blood is returned to the heart?

Accepted Answer

A) The semilunar valves in the vein 
B) Respiration, which reduces pressure in the thorax and increases pressure in the abdomen 
C) The contraction of skeletal muscles pushing blood through the veins 
D) All the above are means by which venous blood returns to the heart. 
A) The semilunar valves in the vein 
B) Respiration, which reduces pressure in the thorax and increases pressure in the abdomen 
C) The contraction of skeletal muscles pushing blood through the veins 
D) All the above are means by which venous blood returns to the heart.

Question 7

When trying to stop arterial bleeding by applying pressure, why is it necessary to apply pressure between the bleeding part and the heart?

Accepted Answer

A) Because blood flows from the heart through the arteries to the injured part, pressure placed between the heart and the bleeding point cuts off the source of blood flow to that point. 
B) Because blood pressure is greater in the arteries coming from the heart, pressure placed between the heart and bleeding point reduces pressure, thus cutting off the source of blood flow to that point. 
C) Because venous blood pressure changes by alternate contraction and relaxation of the atria, pressure placed between the heart and bleeding point cuts off the source of venous blood flow to that point. 
D) Because arterial blood pressure changes by alternate contraction and relaxation of the atria, pressure placed between the heart and bleeding point cuts off the source of arterial blood flow to that point. 
A) Because blood flows from the heart through the arteries to the injured part, pressure placed between the heart and the bleeding point cuts off the source of blood flow to that point. 
B) Because blood pressure is greater in the arteries coming from the heart, pressure placed between the heart and bleeding point reduces pressure, thus cutting off the source of blood flow to that point. 
C) Because venous blood pressure changes by alternate contraction and relaxation of the atria, pressure placed between the heart and bleeding point cuts off the source of venous blood flow to that point. 
D) Because arterial blood pressure changes by alternate contraction and relaxation of the atria, pressure placed between the heart and bleeding point cuts off the source of arterial blood flow to that point.

Question 8

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 9

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

Accepted Answer

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

Question 10

In a healthy adult, blood pressure at the union of the vena cavae and right atrium is about 80 mm Hg.

Accepted Answer

A) True 
 B)False

Question 11

The greatest resistance to blood flow occurs in the:

Accepted Answer

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

Question 12

The first Korotkoff sound indicates the diastolic blood pressure.

Accepted Answer

A) True 
 B)False

Question 13

ANH and ADH work synergistically to increase total blood volume.

Accepted Answer

A) True 
 B)False

Question 14

In order for Korotkoff sounds to be heard, the cuff pressure must stay above systolic pressure.

Accepted Answer

A) True 
 B)False

Question 15

Blood in the veins of which organ is not considered part of the "blood reservoir" system?

Accepted Answer

A) Skin 
B) Skeletal muscle 
C) Spleen 
D) Liver 
A) Skin 
B) Skeletal muscle 
C) Spleen 
D) Liver

Question 16

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 17

Diastolic pressure is the force of blood pushing against artery walls when the ventricles are contracting.

Accepted Answer

A) True 
 B)False

Question 18

As the elasticity of the artery wall decreases, the magnitude of the pulse wave increases.

Accepted Answer

A) True 
 B)False

Question 19

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 20

Venous pulse is just as significant clinically as arterial pulse.

Accepted Answer

A) True 
 B)False

Exam 30: Circulation of the Blood

Anger and fear have opposite effects on the heart rate.

The Fick formula is used for determining:

Emotional stress can influence heart rate by creating impulses that go from the cerebrum to the cardiac centers via the hypothalamus.

Pumping load can also be referred to as preload

At rest most of the body's blood supply resides in the pulmonary loop.

Which of the following is not a means by which venous blood is returned to the heart?

When trying to stop arterial bleeding by applying pressure, why is it necessary to apply pressure between the bleeding part and the heart?

The pulse in the neck is felt over which artery?

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

In a healthy adult, blood pressure at the union of the vena cavae and right atrium is about 80 mm Hg.

The greatest resistance to blood flow occurs in the:

The first Korotkoff sound indicates the diastolic blood pressure.

ANH and ADH work synergistically to increase total blood volume.

In order for Korotkoff sounds to be heard, the cuff pressure must stay above systolic pressure.

Blood in the veins of which organ is not considered part of the "blood reservoir" system?

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

Diastolic pressure is the force of blood pushing against artery walls when the ventricles are contracting.

As the elasticity of the artery wall decreases, the magnitude of the pulse wave increases.

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

Venous pulse is just as significant clinically as arterial pulse.

Organization of the Body

Homeostasis

Chemistry of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Blood Vessels

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

Female Reproductive System

Growth, Development, and Aging

Genetics and Heredity

Filters