Question 1

Increased sympathetic stimulation of arterioles increases peripheral resistance and blood pressure.

Accepted Answer

A) True 
 B)False

Question 2

Increased respiration within a tissue leads to vasodilation of arterioles because

Accepted Answer

A)  Carbon dioxide levels increase. 
B)  Oxygen levels decrease. 
C)  Less acid is generated. 
D)  All of these. 
E)  Carbon dioxide levels increase and oxygen levels decrease. 
A)  Carbon dioxide levels increase. 
B)  Oxygen levels decrease. 
C)  Less acid is generated. 
D)  All of these. 
E)  Carbon dioxide levels increase and oxygen levels decrease.

Question 3

The regulation of blood flow in the arterioles of the brain is mainly under the control of the sympathetic nervous system.

Accepted Answer

A) True 
 B)False

Question 4

Because the capillaries have the smallest radii of any vascular segment, they are the major resistive vessels.

Accepted Answer

A) True 
 B)False

Question 5

Arteries that have lowered compliance do not have as much recoil as arteries with higher compliance.

Accepted Answer

A) True 
 B)False

Question 6

During exercise, blood flow to the digestive tract is increased by dilation of the arterioles of the digestive tract.

Accepted Answer

A) True 
 B)False

Question 7

Arteriolar resistance is regulated by both local controls and extrinsic controls.

Accepted Answer

A) True 
 B)False

Question 8

The major function of the arterioles is to

Accepted Answer

A)  regulate flow of blood through capillary beds 
B)  distribute the cardiac output to tissues 
C)  serve as a pressure reservoir 
D)  convert the intermittent flow from the heart to a steady outflow 
E)  regulate flow of blood through capillary beds and distribute the cardiac output to tissues 
A)  regulate flow of blood through capillary beds 
B)  distribute the cardiac output to tissues 
C)  serve as a pressure reservoir 
D)  convert the intermittent flow from the heart to a steady outflow 
E)  regulate flow of blood through capillary beds and distribute the cardiac output to tissues

Question 9

The osmotic pressure in the blood plasma pushes fluid out of the capillary.

Accepted Answer

A) True 
 B)False

Question 10

As resistance increases, the flow of blood increases if the pressure is constant.

Accepted Answer

A) True 
 B)False

Question 11

Describe the factors involved in capillary filtration and reabsorption. Include the following in your

Accepted Answer

blood osmotic pressure (BOP),

Question 12

For the following questions, choose the appropriate letter from the answer code below to make the statement true. $\begin{array}{ll}
a.&\text {increases }\
b.&\text {inhibits or decreases: }\
c.&\text { has no effect on}\
\end{array}$
 Decreased rate of firing in afferent nerves reaching the cardiovascular control center ____ the parasympathetic nerve stimulation of the cardiovascular system.

Accepted Answer

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

Question 13

The velocity of blood flow in capillaries is

Accepted Answer

A)  greater than that for arterioles 
B)  greater than that for veins 
C)  slow enough to favor adequate exchange of nutrients and wastes 
D)  greater than that for arterioles and the veins 
E)  greater than that for veins and slow enough to favor adequate exchange of nutrients and wastes 
A)  greater than that for arterioles 
B)  greater than that for veins 
C)  slow enough to favor adequate exchange of nutrients and wastes 
D)  greater than that for arterioles and the veins 
E)  greater than that for veins and slow enough to favor adequate exchange of nutrients and wastes

Question 14

At rest, which of the following receives the most blood flow?

Accepted Answer

A)  heart muscle 
B)  kidney 
C)  brain 
D)  skeletal muscle 
E)  liver 
A)  heart muscle 
B)  kidney 
C)  brain 
D)  skeletal muscle 
E)  liver

Question 15

Which change will increase fluid reabsorption by the capillaries?

Accepted Answer

A)  decreased interstitial fluid hydrostatic pressure 
B)  increased capillary blood pressure 
C)  increased blood osmotic pressure 
D)  increased interstitial fluid osmotic pressure 
E)  none of these 
A)  decreased interstitial fluid hydrostatic pressure 
B)  increased capillary blood pressure 
C)  increased blood osmotic pressure 
D)  increased interstitial fluid osmotic pressure 
E)  none of these

Question 16

Complete each of the following statments.
Movement of fluid out of the capillaries into the interstitial fluid is known as ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Movement of...

Question 17

During strenuous exercise, blood flow increases to

Accepted Answer

A)  the heart because of local control factors 
B)  the brain because of reflex control factors 
C)  the skeletal muscles because of local control factors 
D)  the heart because of local control factors and the skeletal muscles because of local control factors 
E)  all of these 
A)  the heart because of local control factors 
B)  the brain because of reflex control factors 
C)  the skeletal muscles because of local control factors 
D)  the heart because of local control factors and the skeletal muscles because of local control factors 
E)  all of these

Question 18

If the blood pressure is recorded as 118/76, indicate the correct value of the pressure in question by writing the appropriate letter in the blank using the following answer code:
 $\begin{array}{lr}
\text { 1. What is the pulse pressure? } & 118 \mathrm{~mm} \mathrm{Hg} &\_\_\_\
\text { 2. What is the diastolic pressure? } & 76 \mathrm{~mm} \mathrm{Hg} \
\text { 3. What is the systolic pressure? } & 42 \mathrm{~mm} \mathrm{Hg}&\_\_\_ \
\text { 4. What is the mean pressure? } & 90 \mathrm{~mm} \mathrm{Hg}
\end{array}$

Accepted Answer

The answer of If the blood pressure is recorded as...

Question 19

Complete each of the following statments.
The efferent pathway for the baroreceptor reflex involves the ____________________ nervous system, and the effector organs are the ____________________ and ____________________.

Accepted Answer

autonomic,

Question 20

A metarteriole is located between an arteriole and venule.

Accepted Answer

A) True 
 B)False

Exam 10: The Blood Vessels and Blood Pressure

Increased sympathetic stimulation of arterioles increases peripheral resistance and blood pressure.

Increased respiration within a tissue leads to vasodilation of arterioles because

The regulation of blood flow in the arterioles of the brain is mainly under the control of the sympathetic nervous system.

Because the capillaries have the smallest radii of any vascular segment, they are the major resistive vessels.

Arteries that have lowered compliance do not have as much recoil as arteries with higher compliance.

During exercise, blood flow to the digestive tract is increased by dilation of the arterioles of the digestive tract.

Arteriolar resistance is regulated by both local controls and extrinsic controls.

The major function of the arterioles is to

The osmotic pressure in the blood plasma pushes fluid out of the capillary.

As resistance increases, the flow of blood increases if the pressure is constant.

Describe the factors involved in capillary filtration and reabsorption. Include the following in your

The velocity of blood flow in capillaries is

At rest, which of the following receives the most blood flow?

Which change will increase fluid reabsorption by the capillaries?

Complete each of the following statments. Movement of fluid out of the capillaries into the interstitial fluid is known as ____________________.

During strenuous exercise, blood flow increases to

Complete each of the following statments. The efferent pathway for the baroreceptor reflex involves the ____________________ nervous system, and the effector organs are the ____________________ and ____________________.

A metarteriole is located between an arteriole and venule.

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

Complete each of the following statments. The efferent pathway for the baroreceptor reflex involves the nervous system, and the effector organs are the and .