Question 1

Blood flow through a capillary is controlled by a precapillary sphincter, which opens or closes due to the requirements of the cells supplied by the capillary.

Accepted Answer

A) True 
 B)False

Question 2

When a person's pulse is taken by palpation near the thumb on the wrist, which artery is felt?

Accepted Answer

A)  Brachial artery 
B)  Ulnar artery 
C)  Radial artery 
D)  Palmar arch arteries 
A)  Brachial artery 
B)  Ulnar artery 
C)  Radial artery 
D)  Palmar arch arteries

Question 3

The mechanism ensures that the volume of blood discharged from the heart is equal to the volume entering its chambers is described by ______ law of the heart.

Accepted Answer

A)  Boyle's 
B)  Frank-Starling's 
C)  Dalton's 
D)  Newton's 
A)  Boyle's 
B)  Frank-Starling's 
C)  Dalton's 
D)  Newton's

Question 4

Which of the following is not a branch of the aorta?

Accepted Answer

A)  Right coronary artery 
B)  Pulmonary artery 
C)  Brachiocephalic artery 
D)  Left subclavian artery 
A)  Right coronary artery 
B)  Pulmonary artery 
C)  Brachiocephalic artery 
D)  Left subclavian artery

Question 5

Histamine increases capillary membrane permeability, which can result in an edematous and painful condition.

Accepted Answer

A) True 
 B)False

Question 6

The correct sequence of parts that carry cardiac impulses is

Accepted Answer

A)  AV node, SA node, Purkinje fibers, AV bundle 
B)  AV node, AV bundle, Purkinje fibers, SA node 
C)  SA node, Purkinje fibers, AV node, AV bundle 
D)  SA node, AV node, AV bundle, Purkinje fibers 
A)  AV node, SA node, Purkinje fibers, AV bundle 
B)  AV node, AV bundle, Purkinje fibers, SA node 
C)  SA node, Purkinje fibers, AV node, AV bundle 
D)  SA node, AV node, AV bundle, Purkinje fibers

Question 7

The systemic circuit

Accepted Answer

A)  sends oxygen-poor blood to the heart. 
B)  brings oxygen-rich blood from the tissues. 
C)  brings oxygen-poor blood from the lungs. 
D)  sends oxygen-rich blood to the tissues. 
A)  sends oxygen-poor blood to the heart. 
B)  brings oxygen-rich blood from the tissues. 
C)  brings oxygen-poor blood from the lungs. 
D)  sends oxygen-rich blood to the tissues.

Question 8

In an ECG pattern, the P wave is caused by

Accepted Answer

A)  repolarization of atrial muscle fibers. 
B)  repolarization of ventricular muscle fibers. 
C)  depolarization of atrial muscle fibers. 
D)  depolarization of ventricular muscle fibers. 
A)  repolarization of atrial muscle fibers. 
B)  repolarization of ventricular muscle fibers. 
C)  depolarization of atrial muscle fibers. 
D)  depolarization of ventricular muscle fibers.

Question 9

Small areas of the myocardium contracting chaotically is called

Accepted Answer

A)  flutter. 
B)  fibrillation. 
C)  bradycardia. 
D)  tachycardia. 
A)  flutter. 
B)  fibrillation. 
C)  bradycardia. 
D)  tachycardia.

Question 10

The radial and ulnar veins merge to form the _______ vein.

Accepted Answer

A)  jugular 
B)  axillary 
C)  brachial 
D)  cephalic 
A)  jugular 
B)  axillary 
C)  brachial 
D)  cephalic

Question 11

Which of the following is not a normal response to physical exercise?

Accepted Answer

A)  Increased heart rate 
B)  Increased ventricular contraction 
C)  Increased blood flow to the skeletal muscles 
D)  Increased blood flow to the abdominal viscera 
A)  Increased heart rate 
B)  Increased ventricular contraction 
C)  Increased blood flow to the skeletal muscles 
D)  Increased blood flow to the abdominal viscera

Question 12

When smooth muscles in the walls of the arteries are stimulated to contract,

Accepted Answer

A)  peripheral resistance decreases. 
B)  viscosity increases. 
C)  blood pressure decreases. 
D)  blood pressure increases. 
A)  peripheral resistance decreases. 
B)  viscosity increases. 
C)  blood pressure decreases. 
D)  blood pressure increases.

Question 13

The longest vein in the body is the

Accepted Answer

A)  superior vena cava. 
B)  great saphenous vein. 
C)  internal iliac vein. 
D)  hepatic portal vein. 
A)  superior vena cava. 
B)  great saphenous vein. 
C)  internal iliac vein. 
D)  hepatic portal vein.

Question 14

The pulmonary circuit

Accepted Answer

A)  sends oxygen-poor blood to the heart. 
B)  sends oxygen-poor blood to the tissues. 
C)  sends oxygen-poor blood to the lungs. 
D)  brings oxygen-rich blood from the tissues. 
A)  sends oxygen-poor blood to the heart. 
B)  sends oxygen-poor blood to the tissues. 
C)  sends oxygen-poor blood to the lungs. 
D)  brings oxygen-rich blood from the tissues.

Question 15

Listening with a stethoscope just to the right near the tip of the sternum, sounds come most distinctly from the

Accepted Answer

A)  aortic valve. 
B)  tricuspid valve. 
C)  pulmonary valve. 
D)  mitral valve. 
A)  aortic valve. 
B)  tricuspid valve. 
C)  pulmonary valve. 
D)  mitral valve.

Question 16

Arterial systolic pressure is most closely associated with

Accepted Answer

A)  atrial contraction. 
B)  ventricular contraction. 
C)  atrial relaxation. 
D)  ventricular relaxation. 
A)  atrial contraction. 
B)  ventricular contraction. 
C)  atrial relaxation. 
D)  ventricular relaxation.

Question 17

Which of the following supplies blood to parts of the intestinal tract?

Accepted Answer

A)  Phrenic arteries 
B)  Superior mesenteric artery 
C)  Lumbar artery 
D)  Middle sacral artery 
A)  Phrenic arteries 
B)  Superior mesenteric artery 
C)  Lumbar artery 
D)  Middle sacral artery

Question 18

Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?

Accepted Answer

A)  Right atrium, pulmonary valve, right ventricle, tricuspid valve 
B)  Right atrium, tricuspid valve, right ventricle, pulmonary valve 
C)  Right ventricle, tricuspid valve, right atrium, pulmonary valve 
D)  Right ventricle, pulmonary valve, right atrium, tricuspid valve, right ventricle 
A)  Right atrium, pulmonary valve, right ventricle, tricuspid valve 
B)  Right atrium, tricuspid valve, right ventricle, pulmonary valve 
C)  Right ventricle, tricuspid valve, right atrium, pulmonary valve 
D)  Right ventricle, pulmonary valve, right atrium, tricuspid valve, right ventricle

Question 19

In an ECG pattern, the T wave is caused by

Accepted Answer

A)  repolarization of atrial muscle fibers. 
B)  repolarization of ventricular muscle fibers. 
C)  depolarization of atrial muscle fibers. 
D)  depolarization of ventricular muscle fibers. 
A)  repolarization of atrial muscle fibers. 
B)  repolarization of ventricular muscle fibers. 
C)  depolarization of atrial muscle fibers. 
D)  depolarization of ventricular muscle fibers.

Question 20

Which of the following correctly matches the valve to its function?

Accepted Answer

A)  Tricuspid valve-permits one-way blood flow from the right to the left atrium 
B)  Pulmonary valve-permits one-way blood flow from the left ventricle to the aorta 
C)  Mitral valve-permits one-way blood flow from the left atrium to the left ventricle 
D)  Aortic valve-permits one-way blood flow from the right ventricle to the pulmonary trunk 
A)  Tricuspid valve-permits one-way blood flow from the right to the left atrium 
B)  Pulmonary valve-permits one-way blood flow from the left ventricle to the aorta 
C)  Mitral valve-permits one-way blood flow from the left atrium to the left ventricle 
D)  Aortic valve-permits one-way blood flow from the right ventricle to the pulmonary trunk

Exam 15: Cardiovascular System

Blood flow through a capillary is controlled by a precapillary sphincter, which opens or closes due to the requirements of the cells supplied by the capillary.

When a person's pulse is taken by palpation near the thumb on the wrist, which artery is felt?

The mechanism ensures that the volume of blood discharged from the heart is equal to the volume entering its chambers is described by ______ law of the heart.

Which of the following is not a branch of the aorta?

Histamine increases capillary membrane permeability, which can result in an edematous and painful condition.

The correct sequence of parts that carry cardiac impulses is

The systemic circuit

In an ECG pattern, the P wave is caused by

Small areas of the myocardium contracting chaotically is called

The radial and ulnar veins merge to form the _______ vein.

Which of the following is not a normal response to physical exercise?

When smooth muscles in the walls of the arteries are stimulated to contract,

The longest vein in the body is the

The pulmonary circuit

Listening with a stethoscope just to the right near the tip of the sternum, sounds come most distinctly from the

Arterial systolic pressure is most closely associated with

Which of the following supplies blood to parts of the intestinal tract?

Which of the following is the correct sequence of parts through which blood moves from the vena cava to the lungs?

In an ECG pattern, the T wave is caused by

Which of the following correctly matches the valve to its function?

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Division of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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