Question 1

How is salt balance tied into blood pressure control?

Accepted Answer

An excess amount of salt in the blood in

Question 2

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 skeletal muscle activity ____ venous return.

Accepted Answer

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

Question 3

Active hyperemia

Accepted Answer

A)  refers to the arteriolar dilation in response to local chemical changes that accompany increased metabolic activity of the tissue 
B)  refers to local arteriolar mechanisms that are aimed at keeping tissue blood flow fairly constant in spite of wide deviations in mean arterial driving pressure 
C)  refers to the increase in blood flow to a tissue that occurs after removal of an occlusion of its blood supply 
D)  is important in maintaining an adequate pressure head to drive blood forward into a tissue 
E)  none of these 
A)  refers to the arteriolar dilation in response to local chemical changes that accompany increased metabolic activity of the tissue 
B)  refers to local arteriolar mechanisms that are aimed at keeping tissue blood flow fairly constant in spite of wide deviations in mean arterial driving pressure 
C)  refers to the increase in blood flow to a tissue that occurs after removal of an occlusion of its blood supply 
D)  is important in maintaining an adequate pressure head to drive blood forward into a tissue 
E)  none of these

Question 4

What roles do the kidneys play in blood pressure maintenance? Include the following in your

Accepted Answer

urine, Na⁺, renin, an

Question 5

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 parasympathetic nerve activity ____ the strength of cardiac ventricular contraction.

Accepted Answer

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

Question 6

Complete each of the following statments.
The process of ____________________ determines the distribution of the extracellular fluid volume between the plasma and interstitial fluid.

Accepted Answer

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

Question 7

Complete each of the following statments.
Hypertension occurs if the systolic/diastolic pressure is above the values of ____________________.

Accepted Answer

The answer of Complete each of the following statments.
Hypertension occurs...

Question 8

Complete each of the following statments.
____________________ are structures in veins that prevent the blood from flowing backwards.

Accepted Answer

The answer of Complete each of the following statments.
____________________ are...

Question 9

Vasoconstriction refers to a decrease in the radius of a vessel.

Accepted Answer

A) True 
 B)False

Question 10

A major function of the arteries is to serve as a blood reservoir.

Accepted Answer

A) True 
 B)False

Question 11

Match between columns
                        Premises: pressure autoregulation
active hyperemia
reactive hyperemia
extrinsic control

Accepted Answer

The Answer of Arteriolar dilation that occurs within a tissue is...

Question 12

The process of ultrafiltration

Accepted Answer

A)  is movement of protein-free plasma from the capillaries into the interstitial fluid 
B)  occurs when capillary blood pressure plus interstitial fluid osmotic pressure exceed blood-osmotic pressure plus interstitial fluid hydrostatic pressure 
C)  occurs when capillary blood pressure plus plasma osmotic pressure exceed interstitial fluid hydrostatic pressure plus interstitial fluid osmotic pressure 
D)  is movement of protein-free plasma from the capillaries into the interstitial fluid and occurs when capillary blood pressure plus interstitial fluid osmotic pressure exceed blood-osmotic pressure plus interstitial fluid hydrostatic pressure 
E)  is movement of protein-free plasma from the capillaries into the interstitial fluid and occurs when capillary blood pressure plus plasma osmotic pressure exceed interstitial fluid hydrostatic pressure plus interstitial fluid osmotic pressure 
A)  is movement of protein-free plasma from the capillaries into the interstitial fluid 
B)  occurs when capillary blood pressure plus interstitial fluid osmotic pressure exceed blood-osmotic pressure plus interstitial fluid hydrostatic pressure 
C)  occurs when capillary blood pressure plus plasma osmotic pressure exceed interstitial fluid hydrostatic pressure plus interstitial fluid osmotic pressure 
D)  is movement of protein-free plasma from the capillaries into the interstitial fluid and occurs when capillary blood pressure plus interstitial fluid osmotic pressure exceed blood-osmotic pressure plus interstitial fluid hydrostatic pressure 
E)  is movement of protein-free plasma from the capillaries into the interstitial fluid and occurs when capillary blood pressure plus plasma osmotic pressure exceed interstitial fluid hydrostatic pressure plus interstitial fluid osmotic pressure

Question 13

When the receptor potential of the baroreceptors decreases, the cardiovascular center responds by bringing about an increase in

Accepted Answer

A)  stroke volume 
B)  venous return 
C)  total peripheral resistance 
D)  all of these 
E)  stroke volume and venous return 
A)  stroke volume 
B)  venous return 
C)  total peripheral resistance 
D)  all of these 
E)  stroke volume and venous return

Question 14

The flow rate of blood is the same in all segments of the vascular tree, but the velocity of blood flow is slower in the capillaries than in other segments of the vascular tree.

Accepted Answer

A) True 
 B)False

Question 15

Complete each of the following statments.
Vasoconstriction of blood vessels changes the flow of blood through them by ____________________ it.

Accepted Answer

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

Question 16

Blood osmotic pressure is normally lower at the arteriolar end of a capillary than at the venular end.

Accepted Answer

A) True 
 B)False

Question 17

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 parasympathetic nerve activity ____ total peripheral resistance.

Accepted Answer

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

Question 18

Vasopressin and nitric oxide increase the diameter of arterioles.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following alterations could lead to edema?

Accepted Answer

A)  a fall in capillary blood pressure 
B)  a fall in the concentration of plasma proteins 
C)  blocked lymph vessels 
D)  a fall in capillary blood pressure and concentration of plasma proteins 
E)  a fall in the concentration of plasma proteins and blocked lymph vessels 
A)  a fall in capillary blood pressure 
B)  a fall in the concentration of plasma proteins 
C)  blocked lymph vessels 
D)  a fall in capillary blood pressure and concentration of plasma proteins 
E)  a fall in the concentration of plasma proteins and blocked lymph vessels

Question 20

In an arteriole, if the blood vessel radius is 2 units and is then vasoconstricted to 1 unit,

Accepted Answer

A)  Blood flow decreases by half. 
B)  Resistance increases 16 times. 
C)  Blood viscosity increases. 
D)  All of these. 
E)  Resistance increases 16 times and blood viscosity increases. 
A)  Blood flow decreases by half. 
B)  Resistance increases 16 times. 
C)  Blood viscosity increases. 
D)  All of these. 
E)  Resistance increases 16 times and blood viscosity increases.

Exam 10: The Blood Vessels and Blood Pressure

How is salt balance tied into blood pressure control?

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 skeletal muscle activity ____ venous return.

Active hyperemia

What roles do the kidneys play in blood pressure maintenance? Include the following in your

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 parasympathetic nerve activity ____ the strength of cardiac ventricular contraction.

Complete each of the following statments. The process of ____________________ determines the distribution of the extracellular fluid volume between the plasma and interstitial fluid.

Complete each of the following statments. Hypertension occurs if the systolic/diastolic pressure is above the values of ____________________.

Complete each of the following statments. ____________________ are structures in veins that prevent the blood from flowing backwards.

Vasoconstriction refers to a decrease in the radius of a vessel.

A major function of the arteries is to serve as a blood reservoir.

The process of ultrafiltration

When the receptor potential of the baroreceptors decreases, the cardiovascular center responds by bringing about an increase in

The flow rate of blood is the same in all segments of the vascular tree, but the velocity of blood flow is slower in the capillaries than in other segments of the vascular tree.

Complete each of the following statments. Vasoconstriction of blood vessels changes the flow of blood through them by ____________________ it.

Blood osmotic pressure is normally lower at the arteriolar end of a capillary than at the venular end.

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 Decreased parasympathetic nerve activity ____ total peripheral resistance.

Vasopressin and nitric oxide increase the diameter of arterioles.

Which of the following alterations could lead to edema?

In an arteriole, if the blood vessel radius is 2 units and is then vasoconstricted to 1 unit,

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

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