Question 1

The mitral valve is one of the two semilunar valves.

Accepted Answer

A) True 
 B)False

Question 2

A normal red blood cell count is in the range of __________ /mm3.

Accepted Answer

A) 4.23-5.98 million 
B) 4,300-10,800 
C) 120-220 
D) 130-400 thousand 
A) 4.23-5.98 million 
B) 4,300-10,800 
C) 120-220 
D) 130-400 thousand

Question 3

All blood vessels are lined with

Accepted Answer

A) the tunica externA. 
B) smooth muscle. 
C) endothelial cells. 
D) elastin. 
A) the tunica externA. 
B) smooth muscle. 
C) endothelial cells. 
D) elastin.

Question 4

The P wave of an ECG represents

Accepted Answer

A) atrial repolarization. 
B) atrial depolarization. 
C) ventricular repolarization. 
D) ventricular depolarization. 
A) atrial repolarization. 
B) atrial depolarization. 
C) ventricular repolarization. 
D) ventricular depolarization.

Question 5

_________ AV node block occurs when no atrial waves can pass through the AV node.

Accepted Answer

A) First-degree 
B) Second-degree 
C) Third-degree 
D) Fourth-degree 
A) First-degree 
B) Second-degree 
C) Third-degree 
D) Fourth-degree

Question 6

What is the enzyme that converts soluble fibrinogen to insoluble fibrin?

Accepted Answer

A) prothrombin 
B) thrombin 
C) thromboplastin 
D) plasmin 
A) prothrombin 
B) thrombin 
C) thromboplastin 
D) plasmin

Question 7

A(n)________________ is a device that is implanted into a pectoral subcutaneous pocket that delivers shocks to the heart when ventricular fibrillation is detected.

Accepted Answer

A) implantable converter-defibrillator 
B) ischemic defibrillator 
C) atrial defibrillator 
D) myocardial defibrillator 
A) implantable converter-defibrillator 
B) ischemic defibrillator 
C) atrial defibrillator 
D) myocardial defibrillator

Question 8

Iron is transported in the blood by the protein

Accepted Answer

A) globin. 
B) fibrinogen. 
C) transferrin. 
D) albumin. 
A) globin. 
B) fibrinogen. 
C) transferrin. 
D) albumin.

Question 9

Granular leukocytes are derived from

Accepted Answer

A) erythroblasts. 
B) lymphoblasts. 
C) monoblasts. 
D) myeloblasts. 
A) erythroblasts. 
B) lymphoblasts. 
C) monoblasts. 
D) myeloblasts.

Question 10

Cardiac rates slower than 60 beats per minute indicate tachycardia.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is NOT a transportation function of the circulatory system?

Accepted Answer

A) carrying oxygen and carbon dioxide 
B) carrying metabolic waste 
C) carrying leukocytes 
D) carrying absorbed products of digestion 
A) carrying oxygen and carbon dioxide 
B) carrying metabolic waste 
C) carrying leukocytes 
D) carrying absorbed products of digestion

Question 12

Myocardial cells exhibit a plateau phase instead of quickly repolarizing.This is due to

Accepted Answer

A) inward diffusion of calcium through slow Ca2+ channels. 
B) inward diffusion of sodium through fast Na+ channels. 
C) inward diffusion of potassium through voltage-gated K+ channels. 
D) outward pumping of sodium by the Na+/K+ pump. 
A) inward diffusion of calcium through slow Ca2+ channels. 
B) inward diffusion of sodium through fast Na+ channels. 
C) inward diffusion of potassium through voltage-gated K+ channels. 
D) outward pumping of sodium by the Na+/K+ pump.

Question 13

The pathway of blood from the heart to the lungs and back to the heart is the

Accepted Answer

A) cardiac circulation. 
B) systemic circulation. 
C) pulmonary circulation. 
D) pleural circulation. 
A) cardiac circulation. 
B) systemic circulation. 
C) pulmonary circulation. 
D) pleural circulation.

Question 14

What ion is necessary for the clotting process?

Accepted Answer

A) Na+ 
B) K+ 
C) Ca2+ 
D) Mg2+ 
A) Na+ 
B) K+ 
C) Ca2+ 
D) Mg2+

Question 15

Damage to the AV node could cause

Accepted Answer

A) the absence of the T wave on an ECG. 
B) multiple Q waves on an ECG. 
C) multiple T waves on an ECG. 
D) multiple P waves on an ECG. 
A) the absence of the T wave on an ECG. 
B) multiple Q waves on an ECG. 
C) multiple T waves on an ECG. 
D) multiple P waves on an ECG.

Question 16

Serum is blood plasma without fibrinogen.

Accepted Answer

A) True 
 B)False

Question 17

0.12 to 0.20 second is the duration of the _________ in a normal heart.

Accepted Answer

A) diastole 
B) QRS wave 
C) Q-T interval 
D) P-R interval 
A) diastole 
B) QRS wave 
C) Q-T interval 
D) P-R interval

Question 18

Which vessels are most important for controlling resistance to blood flow?

Accepted Answer

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

Question 19

Increasing the number of slow Ca2+ channels open in the sinoatrial node increases heart rate.

Accepted Answer

A) True 
 B)False

Question 20

Interstitial fluid is derived from

Accepted Answer

A) lymph. 
B) cells. 
C) plasma. 
D) formed elements. 
A) lymph. 
B) cells. 
C) plasma. 
D) formed elements.

The mitral valve is one of the two semilunar valves.

A normal red blood cell count is in the range of __________ /mm³.

All blood vessels are lined with

The P wave of an ECG represents

_________ AV node block occurs when no atrial waves can pass through the AV node.

What is the enzyme that converts soluble fibrinogen to insoluble fibrin?

A(n)________________ is a device that is implanted into a pectoral subcutaneous pocket that delivers shocks to the heart when ventricular fibrillation is detected.

Iron is transported in the blood by the protein

Granular leukocytes are derived from

Cardiac rates slower than 60 beats per minute indicate tachycardia.

Which of the following is NOT a transportation function of the circulatory system?

Myocardial cells exhibit a plateau phase instead of quickly repolarizing.This is due to

The pathway of blood from the heart to the lungs and back to the heart is the

What ion is necessary for the clotting process?

Damage to the AV node could cause

Serum is blood plasma without fibrinogen.

0.12 to 0.20 second is the duration of the _________ in a normal heart.

Which vessels are most important for controlling resistance to blood flow?

Increasing the number of slow Ca²⁺ channels open in the sinoatrial node increases heart rate.

Interstitial fluid is derived from

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 mitral valve is one of the two semilunar valves.

A normal red blood cell count is in the range of __________ /mm3.

All blood vessels are lined with

The P wave of an ECG represents

_________ AV node block occurs when no atrial waves can pass through the AV node.

What is the enzyme that converts soluble fibrinogen to insoluble fibrin?

A(n)________________ is a device that is implanted into a pectoral subcutaneous pocket that delivers shocks to the heart when ventricular fibrillation is detected.

Iron is transported in the blood by the protein

Granular leukocytes are derived from

Cardiac rates slower than 60 beats per minute indicate tachycardia.

Which of the following is NOT a transportation function of the circulatory system?

Myocardial cells exhibit a plateau phase instead of quickly repolarizing.This is due to

The pathway of blood from the heart to the lungs and back to the heart is the

What ion is necessary for the clotting process?

Damage to the AV node could cause

Serum is blood plasma without fibrinogen.

0.12 to 0.20 second is the duration of the _________ in a normal heart.

Which vessels are most important for controlling resistance to blood flow?

Increasing the number of slow Ca2+ channels open in the sinoatrial node increases heart rate.

Interstitial fluid is derived from

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 normal red blood cell count is in the range of __________ /mm³.

Increasing the number of slow Ca²⁺ channels open in the sinoatrial node increases heart rate.