Question 1

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 2

Plasma proteins in capillaries help to

Accepted Answer

A) maintain the osmotic pressure of the blood. 
B) decrease the osmotic pressure of the blood. 
C) maintain the hydrostatic pressure of the blood. 
D) decrease the hydrostatic pressure of the blood. 
A) maintain the osmotic pressure of the blood. 
B) decrease the osmotic pressure of the blood. 
C) maintain the hydrostatic pressure of the blood. 
D) decrease the hydrostatic pressure of the blood.

Question 3

The smaller branches of the coronary arteries have some anastomoses between vessels.

Accepted Answer

A) True 
 B)False

Question 4

Osmotic pressure forces molecules in the blood out through capillary walls.

Accepted Answer

A) True 
 B)False

Question 5

Name the layers of the heart from the inside out.

Accepted Answer

A) Myocardium, endocardium, epicardium, fibrous pericardium, pericardial cavity, parietal pericardium 
B) Fibrous pericardium, parietal pericardium, pericardial cavity, epicardium, myocardium, endocardium 
C) Epicardium, myocardium, endocardium, pericardial cavity, parietal pericardium, fibrous pericardium 
D) Endocardium, myocardium, epicardium, pericardial cavity, parietal pericardium, fibrous pericardium 
A) Myocardium, endocardium, epicardium, fibrous pericardium, pericardial cavity, parietal pericardium 
B) Fibrous pericardium, parietal pericardium, pericardial cavity, epicardium, myocardium, endocardium 
C) Epicardium, myocardium, endocardium, pericardial cavity, parietal pericardium, fibrous pericardium 
D) Endocardium, myocardium, epicardium, pericardial cavity, parietal pericardium, fibrous pericardium

Question 6

Sympathetic stimulation increases

Accepted Answer

A) end-diastolic volume. 
B) stroke volume. 
C) end-systolic volume. 
D) blood vessel volume. 
A) end-diastolic volume. 
B) stroke volume. 
C) end-systolic volume. 
D) blood vessel volume.

Question 7

Which of the following is due to an aging cardiovascular system?

Accepted Answer

A) The tunica interna thickens. 
B) The direction of blood flow in some capillaries reverses. 
C) Arteries become less rigid. 
D) Veins lose collagen. 
A) The tunica interna thickens. 
B) The direction of blood flow in some capillaries reverses. 
C) Arteries become less rigid. 
D) Veins lose collagen.

Question 8

The great saphenous vein is the longest vein in the body.

Accepted Answer

A) True 
 B)False

Question 9

A patient is in the emergency room for a severe anxiety attack. Their doctor administers a dose of potassium to control their elevated heart rate. Why would potassium potentially be a treatment for the cardiovascular effects of an anxiety attack?

Accepted Answer

A) Excess potassium ion concentration directly signals the sympathetic nervous system to cease signaling to increase heart rate 
B) Excess potassium ion concentration causes decreased rate and increased force of contraction. 
C) Excess potassium ion concentration causes decreased rate and decreased force of contraction. 
D) Excess potassium ion concentration signals the parasympathetic nervous system directly to lower heart rate 
A) Excess potassium ion concentration directly signals the sympathetic nervous system to cease signaling to increase heart rate 
B) Excess potassium ion concentration causes decreased rate and increased force of contraction. 
C) Excess potassium ion concentration causes decreased rate and decreased force of contraction. 
D) Excess potassium ion concentration signals the parasympathetic nervous system directly to lower heart rate

Question 10

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 11

The celiac artery provides blood to the

Accepted Answer

A) kidneys. 
B) large intestine. 
C) liver and spleen. 
D) adrenal glands. 
A) kidneys. 
B) large intestine. 
C) liver and spleen. 
D) adrenal glands.

Question 12

Which of the following is NOT a factor that increases risk of developing atherosclerosis?

Accepted Answer

A) A diet high in unsaturated fats 
B) Tobacco smoking 
C) Lack of physical exercise 
D) Low blood pressure 
A) A diet high in unsaturated fats 
B) Tobacco smoking 
C) Lack of physical exercise 
D) Low blood pressure

Question 13

Which of the following might serve as a secondary pacemaker for the heart?

Accepted Answer

A) AV node 
B) Purkinje fibers 
C) Both AV node and Purkinje fibers 
D) Neither AV node nor Purkinje fibers 
A) AV node 
B) Purkinje fibers 
C) Both AV node and Purkinje fibers 
D) Neither AV node nor Purkinje fibers

Question 14

Which of the following gases does endothelium release?

Accepted Answer

A) Nitric oxide 
B) Oxygen 
C) Nitrogen 
D) Methane 
A) Nitric oxide 
B) Oxygen 
C) Nitrogen 
D) Methane

Question 15

The mechanism that 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 16

Capillary walls consist of a single layer of epithelial cells, and they exchange substances in the blood for substances in the tissue fluid surrounding body cells.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following layers of the heart and their functions are correctly matched?

Accepted Answer

A) Epicardium-protective inner lining of the heart chambers and valves 
B) Myocardium-cardiac muscle tissue that pumps blood out of the heart chambers 
C) Endocardium-protective outer covering 
D) Pericardium-protective inner lining of the heart chambers and valves 
A) Epicardium-protective inner lining of the heart chambers and valves 
B) Myocardium-cardiac muscle tissue that pumps blood out of the heart chambers 
C) Endocardium-protective outer covering 
D) Pericardium-protective inner lining of the heart chambers and valves

Question 18

A pump is attached to the superior mesenteric artery and blue ink is pumped in. Which structures of the body will show the blue ink?

Accepted Answer

A) The neck and the facial muscles 
B) The intercostal muscles and chest area 
C) The arms and the hands 
D) The small intestine and portions of the large intestine 
A) The neck and the facial muscles 
B) The intercostal muscles and chest area 
C) The arms and the hands 
D) The small intestine and portions of the large intestine

Question 19

Which type of blood vessel holds the greatest volume of blood?

Accepted Answer

A) Artery 
B) Arteriole 
C) Capillary 
D) Vein 
A) Artery 
B) Arteriole 
C) Capillary 
D) Vein

Question 20

Kidney disease can cause hypertension by

Accepted Answer

A) activating the renin-angiotensin mechanism. 
B) stimulating the secretion of ANP. 
C) increasing release (excretion)of sodium and water. 
D) directly signaling the brain stem to increase blood pressure. 
A) activating the renin-angiotensin mechanism. 
B) stimulating the secretion of ANP. 
C) increasing release (excretion)of sodium and water. 
D) directly signaling the brain stem to increase blood pressure.

Exam 15: Cardiovascular System

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

Plasma proteins in capillaries help to

The smaller branches of the coronary arteries have some anastomoses between vessels.

Osmotic pressure forces molecules in the blood out through capillary walls.

Name the layers of the heart from the inside out.

Sympathetic stimulation increases

Which of the following is due to an aging cardiovascular system?

The great saphenous vein is the longest vein in the body.

A patient is in the emergency room for a severe anxiety attack. Their doctor administers a dose of potassium to control their elevated heart rate. Why would potassium potentially be a treatment for the cardiovascular effects of an anxiety attack?

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

The celiac artery provides blood to the

Which of the following is NOT a factor that increases risk of developing atherosclerosis?

Which of the following might serve as a secondary pacemaker for the heart?

Which of the following gases does endothelium release?

The mechanism that 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.

Capillary walls consist of a single layer of epithelial cells, and they exchange substances in the blood for substances in the tissue fluid surrounding body cells.

Which of the following layers of the heart and their functions are correctly matched?

A pump is attached to the superior mesenteric artery and blue ink is pumped in. Which structures of the body will show the blue ink?

Which type of blood vessel holds the greatest volume of blood?

Kidney disease can cause hypertension by

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: Divisions 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-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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