Question 1

Which local chemical changes do not occur during a period of increased cell activity?

Accepted Answer

A)  increased CO2 
B)  increased acid 
C)  decreased adenosine release 
D)  increased K+ 
E)  increased osmolarity 
A)  increased CO2 
B)  increased acid 
C)  decreased adenosine release 
D)  increased K+ 
E)  increased osmolarity

Question 2

Which of the following factors aids venous return to the heart?

Accepted Answer

A)  sympathetic stimulation of capillaries 
B)  skeletal muscle pump squeezing blood through veins 
C)  respiratory pump providing a pressure gradient between the lower and chest veins 
D)  sympathetic stimulation of capillaries and skeletal muscle pump squeezing blood through veins 
E)  skeletal muscle pump squeezing blood through veins and respiratory pump providing a pressure gradient between the lower and chest veins 
A)  sympathetic stimulation of capillaries 
B)  skeletal muscle pump squeezing blood through veins 
C)  respiratory pump providing a pressure gradient between the lower and chest veins 
D)  sympathetic stimulation of capillaries and skeletal muscle pump squeezing blood through veins 
E)  skeletal muscle pump squeezing blood through veins and respiratory pump providing a pressure gradient between the lower and chest veins

Question 3

What force continues to drive blood through the vasculature during ventricular diastole?

Accepted Answer

A)  contraction of the ventricles 
B)  elastic recoil of the stretched arteries 
C)  sympathetic-induced vasoconstriction 
D)  skeletal muscles squeezing the blood 
E)  respiratory movements creating a pressure gradient that drives blood forward 
A)  contraction of the ventricles 
B)  elastic recoil of the stretched arteries 
C)  sympathetic-induced vasoconstriction 
D)  skeletal muscles squeezing the blood 
E)  respiratory movements creating a pressure gradient that drives blood forward

Question 4

For the following questions, choose the appropriate letter from the answer code below to make the statement true. $\begin{array}{ll}
a.&\text {increases }\
b.&\text {inhibits or decreases: }\
c.&\text { has no effect on}\
\end{array}$
 Increased venous radii ____ the blood flow through veins.

Accepted Answer

The answer of For the following questions, choose the appropriate...

Question 5

What are the four roles of the lymphatic system in relation to the cardiovascular system?

Accepted Answer

Not all fluid, including filtered protei

Question 6

Indicate whether the following would $\begin{array}{ll}
\text { a. } & \text { increase BP } \
\text { b. } & \text { decrease BP } \
\text { c. } & \text { increase heat rate only }\
d.&\text { have on effect on BP or heat rate }
\end{array}$ ____$\quad$Increased vasomotor center activity
____$\quad$Barore ceptors inhibited
____$\quad$Chemoreceptors activated
____$\quad$Stress
____$\quad$Increased release of aldosterone
____$\quad$Increased release of vasopressin
____$\quad$Release of renin
____$\quad$Water reabsorption
____$\quad$Epinephrine release
____$\quad$Venous vaso dilation

Accepted Answer

A, A, A, A

Question 7

Which statement regarding sympathetic stimulation effects on blood pressure is incorrect?

Accepted Answer

A)  constricts arterioles, which increases peripheral resistance 
B)  decreases end diastolic volume, which increases cardiac output 
C)  increases stroke volume, which increases cardiac output 
D)  constricts veins, which increases venous return 
E)  constricts veins, which increases stroke volume 
A)  constricts arterioles, which increases peripheral resistance 
B)  decreases end diastolic volume, which increases cardiac output 
C)  increases stroke volume, which increases cardiac output 
D)  constricts veins, which increases venous return 
E)  constricts veins, which increases stroke volume

Question 8

Edema refers to excess interstitial fluid.

Accepted Answer

A) True 
 B)False

Question 9

The interstitial fluid is not part of the ECF.

Accepted Answer

A) True 
 B)False

Question 10

Blood flow is driven by osmotic pressure, while blood pressure is driven by hydrostatic forces.

Accepted Answer

A) True 
 B)False

Question 11

There is a constant flow of blood through the capillaries even though the heart is forcing blood out into the arterial system only part of the time.

Accepted Answer

A) True 
 B)False

Question 12

Velocity of blood flow is the slowest in the veins because the blood must move uphill against gravity in these vessels.

Accepted Answer

A) True 
 B)False

Question 13

Receptors that detect changes in the blood pressure are located in the

Accepted Answer

A)  carotid sinus 
B)  spinal cord 
C)  hypothalamus 
D)  aorta 
E)  carotid sinus and spinal cord 
A)  carotid sinus 
B)  spinal cord 
C)  hypothalamus 
D)  aorta 
E)  carotid sinus and spinal cord

Question 14

What is the most important factor that increases blood flow through a specific tissue to meet the tissues needs?

Accepted Answer

A)  Vasoconstriction of arteries forces more blood to flow into the tissue served by those arteries. 
B)  Parasympathetic-induced vasodilation of capillaries within the tissue allows more blood to flow into the tissue. 
C)  Cellular products cause local vasodilation. 
D)  Widespread venous vasoconstriction allows blood to dam up at the tissue level. 
E)  All of these, except vasoconstriction of arteries forces more blood to flow into the tissue served by those arteries. 
A)  Vasoconstriction of arteries forces more blood to flow into the tissue served by those arteries. 
B)  Parasympathetic-induced vasodilation of capillaries within the tissue allows more blood to flow into the tissue. 
C)  Cellular products cause local vasodilation. 
D)  Widespread venous vasoconstriction allows blood to dam up at the tissue level. 
E)  All of these, except vasoconstriction of arteries forces more blood to flow into the tissue served by those arteries.

Question 15

Use this figure to answer the corresponding questions.
Which vessel contains blood with the highest concentration of oxygen?
  $\begin{array}{ll}
a.&\text {vessel 1 }\
b.&\text {vessel 2 }\
c.&\text {vessel 3 }\
d.&\text {vessel 4 }\
e.&\text {vessel 5 }\
\end{array}$

Accepted Answer

The answer of Use this figure to answer the corresponding...

Question 16

The veins

Accepted Answer

A)  act as high-resistance passageways for blood flow from the tissues to the heart 
B)  can serve as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume 
C)  contain two-way valves that allow blood flow into the heart 
D)  all of these 
E)  can serve as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume and contain two-way valves that allow blood flow into the heart 
A)  act as high-resistance passageways for blood flow from the tissues to the heart 
B)  can serve as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume 
C)  contain two-way valves that allow blood flow into the heart 
D)  all of these 
E)  can serve as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume and contain two-way valves that allow blood flow into the heart

Question 17

Regulation of arterial pressure is mediated by reflex mechanisms. One important pressure receptor, a(n) ____, is located in the ____.

Accepted Answer

A)  chemoreceptor; carotid sinus 
B)  exteroceptor; carotid sinus 
C)  baroreceptor; carotid sinus 
D)  chemoreceptor; skeletal muscles 
E)  baroreceptor; skeletal muscles 
A)  chemoreceptor; carotid sinus 
B)  exteroceptor; carotid sinus 
C)  baroreceptor; carotid sinus 
D)  chemoreceptor; skeletal muscles 
E)  baroreceptor; skeletal muscles

Question 18

During exercise, a larger percentage of the cardiac output travels to the skin and skeletal muscles.

Accepted Answer

A) True 
 B)False

Question 19

The primary means by which individual substances are exchanged between the blood and surrounding tissues is by bulk flow.

Accepted Answer

A) True 
 B)False

Question 20

Heart and venous valves serve a similar function. They prevent a ____ flow of blood.

Accepted Answer

A)  forward 
B)  backward 
C)  turbulent 
D)  pulsatile 
E)  laminar 
A)  forward 
B)  backward 
C)  turbulent 
D)  pulsatile 
E)  laminar

Exam 10: The Blood Vessels and Blood Pressure

Which local chemical changes do not occur during a period of increased cell activity?

Which of the following factors aids venous return to the heart?

What force continues to drive blood through the vasculature during ventricular diastole?

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a. increases b. inhibits or decreases: c. has no effect on Increased venous radii ____ the blood flow through veins.

What are the four roles of the lymphatic system in relation to the cardiovascular system?

Which statement regarding sympathetic stimulation effects on blood pressure is incorrect?

Edema refers to excess interstitial fluid.

The interstitial fluid is not part of the ECF.

Blood flow is driven by osmotic pressure, while blood pressure is driven by hydrostatic forces.

There is a constant flow of blood through the capillaries even though the heart is forcing blood out into the arterial system only part of the time.

Velocity of blood flow is the slowest in the veins because the blood must move uphill against gravity in these vessels.

Receptors that detect changes in the blood pressure are located in the

What is the most important factor that increases blood flow through a specific tissue to meet the tissues needs?

Use this figure to answer the corresponding questions. Which vessel contains blood with the highest concentration of oxygen? a. vessel 1 b. vessel 2 c. vessel 3 d. vessel 4 e. vessel 5

The veins

Regulation of arterial pressure is mediated by reflex mechanisms. One important pressure receptor, a(n) ____, is located in the ____.

During exercise, a larger percentage of the cardiac output travels to the skin and skeletal muscles.

The primary means by which individual substances are exchanged between the blood and surrounding tissues is by bulk flow.

Heart and venous valves serve a similar function. They prevent a ____ flow of blood.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

Energy Balance and Temperature Regulation

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Regulation of arterial pressure is mediated by reflex mechanisms. One important pressure receptor, a(n) , is located in the .