Question 1

Capillaries are also referred to as

Accepted Answer

A) exchange vessels. 
B) vasoconstrictors. 
C) vasodilators. 
D) pressure reservoirs. 
E) distributing vessels. 
A) exchange vessels. 
B) vasoconstrictors. 
C) vasodilators. 
D) pressure reservoirs. 
E) distributing vessels. A

Question 2

Normal blood pressure for a young adult male is less than

Accepted Answer

A) 120/80. 
B) 130/90. 
C) 80/120. 
D) 100/80. 
E) 150/85. 
A) 120/80. 
B) 130/90. 
C) 80/120. 
D) 100/80. 
E) 150/85. A

Question 3

Which vessel in the figure is labeled "C"?

Accepted Answer

A) left femoral vein 
B) left great saphenous vein 
C) left popliteal vein 
D) left anterior tibial vein 
E) left fibular vein 
A) left femoral vein 
B) left great saphenous vein 
C) left popliteal vein 
D) left anterior tibial vein 
E) left fibular vein B

Question 4

Which vessel in the figure is labeled "C"?

Accepted Answer

A) accessory hemiazygos vein 
B) hemiazygos vein 
C) left gonadal vein 
D) right renal vein 
E) right suprarenal vein 
A) accessory hemiazygos vein 
B) hemiazygos vein 
C) left gonadal vein 
D) right renal vein 
E) right suprarenal vein

Question 5

The volume of blood that circulates through the systemic (or pulmonary)blood vessels per minute is called

Accepted Answer

A) stroke volume. 
B) tidal volume. 
C) cardiac output. 
D) cardiac reserve. 
E) total peripheral resistance. 
A) stroke volume. 
B) tidal volume. 
C) cardiac output. 
D) cardiac reserve. 
E) total peripheral resistance.

Question 6

How might drugs that inhibit angiogenesis and are used to treat tumors,increase the risk of a heart attack in an older individual with atherosclerosis?

Accepted Answer

Angiogenesis,the growth of new blood ves

Question 7

The tunica interna of [dropdown 1] is thin with a fenestrated internal elastic lamina that disappears distally,while the tunica interna of [dropdown 2] is made of endothelium and a basement membrane with no internal elastic lamina.
Dropdown 1 choices:
arterioles
elastic arteries
muscular arteries
muscular venules
veins
Dropdown 2 choices:
arterioles
elastic arteries
muscular arteries
muscular venules
veins

Accepted Answer

1.arteriol

Question 8

In the fetal heart,several structures allow blood from the left and right sides to mix.When the newborn takes its first breath,these structures must close to ensure that oxygenated blood from the left side does not mix with deoxygenated blood from the right side.Which of the following closed structures prevent this mixing between the systemic and pulmonary circulation after the umbilical cord is cut? Select all that apply.

Accepted Answer

A) fossa ovalis 
B) ligamentum arteriosum 
C) ligamentum venosum 
D) ligamentum teres 
A) fossa ovalis 
B) ligamentum arteriosum 
C) ligamentum venosum 
D) ligamentum teres

Question 9

Which of the types of capillaries shown in the figure is commonly found in the kidneys,villi of the small intestine,choroid plexuses,and some endocrine glands?

Accepted Answer

A) A 
B) B 
C) C 
D) A and B 
E) B and C 
A) A 
B) B 
C) C 
D) A and B 
E) B and C

Question 10

What is the main difference between the pulmonary and systemic circulations with respect to their autoregulatory response to a drop in blood O2 level?

Accepted Answer

In the systemic circulation,low O₂ causes

Question 11

Which of the following effectors would NOT be activated as described below in response to hypovolemic shock?

Accepted Answer

A) Adrenal cortex releases aldosterone. 
B) Kidneys conserve salt and water. 
C) Heart rate increases. 
D) Decreased blood flow to the kidneys. 
E) Heart contractility increases. 
A) Adrenal cortex releases aldosterone. 
B) Kidneys conserve salt and water. 
C) Heart rate increases. 
D) Decreased blood flow to the kidneys. 
E) Heart contractility increases.

Question 12

Emphysema is a chronic obstructive pulmonary disease (COPD)that causes progressive destruction of alveoli (air sacs)in the lungs leading to a decreased ability to exhale.How does this disease affect carbon dioxide levels in the blood?

Accepted Answer

A) they are unaffected 
B) they increase 
C) they decrease 
D) the result varies with each individual 
E) first,they increase,then they decrease 
A) they are unaffected 
B) they increase 
C) they decrease 
D) the result varies with each individual 
E) first,they increase,then they decrease

Question 13

Which labeled structure in the figure is precapillary sphincter?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 14

Which of the following would NOT result in an increase in arterial blood pressure?

Accepted Answer

A) Increased blood volume 
B) Increased sympathetic stimulation 
C) Increased heart rate 
D) Increased stroke volume 
E) Increased arteriolar vasodilation 
A) Increased blood volume 
B) Increased sympathetic stimulation 
C) Increased heart rate 
D) Increased stroke volume 
E) Increased arteriolar vasodilation

Question 15

Which of the following blood vessels carries blood from the tissues back to the heart?

Accepted Answer

A) arteries 
B) arterioles 
C) aorta 
D) veins 
E) capillaries 
A) arteries 
B) arterioles 
C) aorta 
D) veins 
E) capillaries

Question 16

The pulmonary circulatory route carries blood from the

Accepted Answer

A) right atrium to the right ventricle. 
B) right ventricle to the left atrium. 
C) left atrium to the left ventricle. 
D) left ventricle to the right atrium. 
E) left ventricle to the coronary sinus. 
A) right atrium to the right ventricle. 
B) right ventricle to the left atrium. 
C) left atrium to the left ventricle. 
D) left ventricle to the right atrium. 
E) left ventricle to the coronary sinus.

Question 17

A blockage to one or both of the inferior phrenic veins will cause a backup of blood into which structure?

Accepted Answer

A) the liver 
B) the kidney 
C) the heart 
D) the diaphragm 
E) the spleen 
A) the liver 
B) the kidney 
C) the heart 
D) the diaphragm 
E) the spleen

Question 18

Which of the following vessels carries the venous blood from the lower body into the right atrium?

Accepted Answer

A) Inferior vena cava 
B) Superior vena cava 
C) Tibial vein 
D) Coronary vein 
E) Iliac vein 
A) Inferior vena cava 
B) Superior vena cava 
C) Tibial vein 
D) Coronary vein 
E) Iliac vein

Question 19

How might an individual who develops a blood clot that totally blocks a coronary artery still survive with a minimal amount of damage to the cardiac muscle supplied by that artery?

Accepted Answer

Complete blockage of an end artery will

Question 20

When the umbilical cord is tied after birth,the umbilical arteries close by filling in with

Accepted Answer

A) placental fluid. 
B) platelet plugs. 
C) connective tissue. 
D) smooth muscle. 
E) epithelial tissue. 
A) placental fluid. 
B) platelet plugs. 
C) connective tissue. 
D) smooth muscle. 
E) epithelial tissue.

Exam 21: The Cardiovascular System: Blood Vessels and Hemodynamics

Capillaries are also referred to as

Normal blood pressure for a young adult male is less than

Which vessel in the figure is labeled "C"?

Which vessel in the figure is labeled "C"?

The volume of blood that circulates through the systemic (or pulmonary)blood vessels per minute is called

How might drugs that inhibit angiogenesis and are used to treat tumors,increase the risk of a heart attack in an older individual with atherosclerosis?

Which of the types of capillaries shown in the figure is commonly found in the kidneys,villi of the small intestine,choroid plexuses,and some endocrine glands?

What is the main difference between the pulmonary and systemic circulations with respect to their autoregulatory response to a drop in blood O2 level?

Which of the following effectors would NOT be activated as described below in response to hypovolemic shock?

Emphysema is a chronic obstructive pulmonary disease (COPD)that causes progressive destruction of alveoli (air sacs)in the lungs leading to a decreased ability to exhale.How does this disease affect carbon dioxide levels in the blood?

Which labeled structure in the figure is precapillary sphincter?

Which of the following would NOT result in an increase in arterial blood pressure?

Which of the following blood vessels carries blood from the tissues back to the heart?

The pulmonary circulatory route carries blood from the

A blockage to one or both of the inferior phrenic veins will cause a backup of blood into which structure?

Which of the following vessels carries the venous blood from the lower body into the right atrium?

How might an individual who develops a blood clot that totally blocks a coronary artery still survive with a minimal amount of damage to the cardiac muscle supplied by that artery?

When the umbilical cord is tied after birth,the umbilical arteries close by filling in with

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscular Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor, and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Nutrition

The Urinary System

Fluid, Electrolyte, and Acidbase Homeostasis

The Reproductive Systems

Development and Inheritance

Filters

What is the main difference between the pulmonary and systemic circulations with respect to their autoregulatory response to a drop in blood O₂ level?