Question 1

The production and conduction of action potentials in the heart produces a recordable tracing of the electrical activity of the heart called a(n)

Accepted Answer

A) EMG. 
B) depolarization. 
C) heart scan. 
D) ECG. 
A) EMG. 
B) depolarization. 
C) heart scan. 
D) ECG.

Question 2

What part of the heart's conduction system acts as the primary pacemaker?

Accepted Answer

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

Question 3

The oxygen content of arteries in the pulmonary circulation is high.

Accepted Answer

A) True 
 B)False

Question 4

Blood clot dissolution is stimulated by tissue thromboplastin.

Accepted Answer

A) True 
 B)False

Question 5

The process of blood cell formation is

Accepted Answer

A) leukocytosis. 
B) polycythemia. 
C) hematopoiesis. 
D) hemogenesis. 
A) leukocytosis. 
B) polycythemia. 
C) hematopoiesis. 
D) hemogenesis.

Question 6

Vitamin K is needed for

Accepted Answer

A) proper clotting factor function. 
B) directly activating fibrinogen. 
C) directly stabilizing the fibrin polymer. 
D) activating antithrombin III. 
A) proper clotting factor function. 
B) directly activating fibrinogen. 
C) directly stabilizing the fibrin polymer. 
D) activating antithrombin III.

Question 7

The amount of blood ejected by the ventricles per beat is termed the

Accepted Answer

A) cardiac output. 
B) end diastolic volume. 
C) blood pressure. 
D) stroke volume. 
A) cardiac output. 
B) end diastolic volume. 
C) blood pressure. 
D) stroke volume.

Question 8

Heart murmurs may be caused by _______,a condition in which valves are thickened and calcified.

Accepted Answer

A) stenosis 
B) fibrillation 
C) regurgitation 
D) septal defect 
A) stenosis 
B) fibrillation 
C) regurgitation 
D) septal defect

Question 9

Which of the following is NOT a characteristic of white blood cells?

Accepted Answer

A) have nuclei and mitochondria 
B) have amoeboid movement 
C) can leave blood vessels 
D) makes up the major formed element 
A) have nuclei and mitochondria 
B) have amoeboid movement 
C) can leave blood vessels 
D) makes up the major formed element

Question 10

Polymorphonuclear leukocytes are also known as

Accepted Answer

A) basophils. 
B) neutrophils. 
C) eosinophils. 
D) monocytes. 
A) basophils. 
B) neutrophils. 
C) eosinophils. 
D) monocytes.

Question 11

What type of cell found in the blood produces antibodies?

Accepted Answer

A) monocyte 
B) plasma cell 
C) basophil 
D) neutrophil 
A) monocyte 
B) plasma cell 
C) basophil 
D) neutrophil

Question 12

The S-T segment of an ECG represents

Accepted Answer

A) atrial depolarization. 
B) passage of the electrical impulse to the atrioventricular node. 
C) ventricular depolarization. 
D) the plateau phase of the myocardial action potential. 
A) atrial depolarization. 
B) passage of the electrical impulse to the atrioventricular node. 
C) ventricular depolarization. 
D) the plateau phase of the myocardial action potential.

Question 13

Closure of the atrioventricular valves occurs at the end of diastole/beginning of systole.

Accepted Answer

A) True 
 B)False

Question 14

Kallikrein is the active form of plasminogen.

Accepted Answer

A) True 
 B)False

Question 15

When Ca2+ release channels in the sarcoplasmic reticulum of the heart are opened by an increase in Ca2+ in the cytoplasm,this is referred to as

Accepted Answer

A) calcium-induced fibrillation. 
B) calcium-stimulated depolarization. 
C) calcium-stimulated calcium release. 
D) calcium-induced repolarization. 
A) calcium-induced fibrillation. 
B) calcium-stimulated depolarization. 
C) calcium-stimulated calcium release. 
D) calcium-induced repolarization.

Question 16

The pulmonary veins return oxygen depleted blood to the right atrium.

Accepted Answer

A) True 
 B)False

Question 17

Ventricular depolarization

Accepted Answer

A) occurs prior to atrial depolarization. 
B) appears as the T wave on an ECG. 
C) appears as the P wave on an ECG. 
D) occurs after atrial depolarization. 
A) occurs prior to atrial depolarization. 
B) appears as the T wave on an ECG. 
C) appears as the P wave on an ECG. 
D) occurs after atrial depolarization.

Question 18

Which of the following is NOT a cause of circus rhythm?

Accepted Answer

A) damage to the myocardium 
B) certain cells coming out of the refractory period too quickly 
C) shortened myocardial cells 
D) an electrical shock in the middle of a T wave 
A) damage to the myocardium 
B) certain cells coming out of the refractory period too quickly 
C) shortened myocardial cells 
D) an electrical shock in the middle of a T wave

Question 19

Bipolar limb lead three uses the

Accepted Answer

A) left and right arms. 
B) left arm and left leg. 
C) right arm and left leg. 
D) left arm and right leg. 
A) left and right arms. 
B) left arm and left leg. 
C) right arm and left leg. 
D) left arm and right leg.

Question 20

Blood globulins include which of the following types?

Accepted Answer

A) alpha globulins 
B) beta globulins 
C) gamma globulins 
D) All apply. 
A) alpha globulins 
B) beta globulins 
C) gamma globulins 
D) All apply.

The production and conduction of action potentials in the heart produces a recordable tracing of the electrical activity of the heart called a(n)

What part of the heart's conduction system acts as the primary pacemaker?

The oxygen content of arteries in the pulmonary circulation is high.

Blood clot dissolution is stimulated by tissue thromboplastin.

The process of blood cell formation is

Vitamin K is needed for

The amount of blood ejected by the ventricles per beat is termed the

Heart murmurs may be caused by _______,a condition in which valves are thickened and calcified.

Which of the following is NOT a characteristic of white blood cells?

Polymorphonuclear leukocytes are also known as

What type of cell found in the blood produces antibodies?

The S-T segment of an ECG represents

Closure of the atrioventricular valves occurs at the end of diastole/beginning of systole.

Kallikrein is the active form of plasminogen.

When Ca²⁺ release channels in the sarcoplasmic reticulum of the heart are opened by an increase in Ca²⁺ in the cytoplasm,this is referred to as

The pulmonary veins return oxygen depleted blood to the right atrium.

Ventricular depolarization

Which of the following is NOT a cause of circus rhythm?

Bipolar limb lead three uses the

Blood globulins include which of the following types?

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

The production and conduction of action potentials in the heart produces a recordable tracing of the electrical activity of the heart called a(n)

What part of the heart's conduction system acts as the primary pacemaker?

The oxygen content of arteries in the pulmonary circulation is high.

Blood clot dissolution is stimulated by tissue thromboplastin.

The process of blood cell formation is

Vitamin K is needed for

The amount of blood ejected by the ventricles per beat is termed the

Heart murmurs may be caused by _______,a condition in which valves are thickened and calcified.

Which of the following is NOT a characteristic of white blood cells?

Polymorphonuclear leukocytes are also known as

What type of cell found in the blood produces antibodies?

The S-T segment of an ECG represents

Closure of the atrioventricular valves occurs at the end of diastole/beginning of systole.

Kallikrein is the active form of plasminogen.

When Ca2+ release channels in the sarcoplasmic reticulum of the heart are opened by an increase in Ca2+ in the cytoplasm,this is referred to as

The pulmonary veins return oxygen depleted blood to the right atrium.

Ventricular depolarization

Which of the following is NOT a cause of circus rhythm?

Bipolar limb lead three uses the

Blood globulins include which of the following types?

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

When Ca²⁺ release channels in the sarcoplasmic reticulum of the heart are opened by an increase in Ca²⁺ in the cytoplasm,this is referred to as