Question 1

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.)
-a hyperaemic response in the heart

Accepted Answer

A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar calibre 
A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar calibre

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Which of these local factors does NOT produce the relaxation of arteriolar smooth muscle

Accepted Answer

A) increased acid 
B) increased carbon dioxide 
C) increased osmolarity 
D) increased oxygen 
A) increased acid 
B) increased carbon dioxide 
C) increased osmolarity 
D) increased oxygen

Question 4

Arteriolar smooth muscle normally displays a state of partial constriction known as ____________________.

Accepted Answer

The answer of Arteriolar smooth muscle normally displays a state...

Question 5

What is the mean arterial blood pressure when the blood pressure is recorded as 117/78

Accepted Answer

A) 91 mmHg 
B) 97.5 mmHg 
C) 100 mmHg 
D) 117 mmHg 
A) 91 mmHg 
B) 97.5 mmHg 
C) 100 mmHg 
D) 117 mmHg

Question 6

Vasopressin is a vasodilator.

Accepted Answer

A) True 
 B)False

Question 7

Assume a person has a blood pressure recording of 125/77 mmHg.
a.What is the systolic pressure
 ____________________ mmHg.
b.What is the diastolic pressure
 ____________________ mmHg.
c.What is the pulse pressure
 ____________________ mmHg.
d.What is the mean arterial pressure____________________ mmHg.
e.Would any sound be heard when the pressure in an external cuff around the arm was 130 mmHg
 ____________________.
f.Would any sound be heard when cuff pressure was 118 mmHg
 ____________________.
g.Would any sound be heard when cuff pressure was 75 mmHg
 ____________________.

Accepted Answer

a. 188, b.

Question 8

If the diastolic pressure and systolic pressure were both increased by 18 mmHg, then the pulse pressure would be increased by 19 mmHg.

Accepted Answer

A) True 
 B)False

Question 9

What is the primary reason that oedema may occur with serious burns

Accepted Answer

A) increased venous pressure due to interference with circulation through scarring in the burned area 
B) lowering of plasma-colloid osmotic pressure due to the loss of protein-rich fluid from the surface of the burn 
C) blockage of lymphatic drainage from the burned area 
D) loss of protein in the urine 
A) increased venous pressure due to interference with circulation through scarring in the burned area 
B) lowering of plasma-colloid osmotic pressure due to the loss of protein-rich fluid from the surface of the burn 
C) blockage of lymphatic drainage from the burned area 
D) loss of protein in the urine

Question 10

Under which of these conditions will reabsorption occur

Accepted Answer

A) when inward-driving pressures exceed outward-driving pressures across the capillary wall 
B) when outward-driving pressures exceed inward-driving pressures across the capillary wall 
C) when the osmolarity of plasma is decreased in the venule end of the capillary 
D) when the outward-driving pressures and the inward-driving pressures across the capillary wall are equal 
A) when inward-driving pressures exceed outward-driving pressures across the capillary wall 
B) when outward-driving pressures exceed inward-driving pressures across the capillary wall 
C) when the osmolarity of plasma is decreased in the venule end of the capillary 
D) when the outward-driving pressures and the inward-driving pressures across the capillary wall are equal

Question 11

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question.
-What is the systolic pressure

Accepted Answer

A) 118 mmHg 
B) 42 mmHg 
C) 97 mmHg 
D) 76 mmHg 
E) 90 mmHg 
A) 118 mmHg 
B) 42 mmHg 
C) 97 mmHg 
D) 76 mmHg 
E) 90 mmHg

Question 12

A capillary wall has a measured thickness of about one ____________________.

Accepted Answer

The answer of A capillary wall has a measured thickness...

Question 13

Which of these conditions might NOT be associated with oedema

Accepted Answer

A) extensive burns 
B) congestive heart failure 
C) decreased venous pressure 
D) lymphatic obstruction 
A) extensive burns 
B) congestive heart failure 
C) decreased venous pressure 
D) lymphatic obstruction

Question 14

Decreased cardiac output _____ the mean systemic arterial blood pressure.

Accepted Answer

The answer of Decreased cardiac output _____ the mean systemic...

Question 15

Movement of fluid out of the capillaries into the interstitial fluid is known as ____________________.

Accepted Answer

The answer of Movement of fluid out of the capillaries...

Question 16

Which of these types of blood vessels consists of only one cell layer

Accepted Answer

A) arteriole 
B) artery 
C) capillary 
D) vein 
A) arteriole 
B) artery 
C) capillary 
D) vein

Question 17

Which of these statements describes velocity of blood flow in capillaries

Accepted Answer

A) It is greater than that for arterioles. 
B) It is greater than that for veins. 
C) It is slow enough to favour adequate exchange. 
D) It is less than that for arterioles. 
A) It is greater than that for arterioles. 
B) It is greater than that for veins. 
C) It is slow enough to favour adequate exchange. 
D) It is less than that for arterioles.

Question 18

Which of these statements describes pulse pressure

Accepted Answer

A) It is the difference between systolic and diastolic pressures. 
B) It is the average pressure throughout the cardiac cycle. 
C) It is the maximum pressure exerted in the arteries. 
D) It is the minimum pressure exerted in the arteries. 
A) It is the difference between systolic and diastolic pressures. 
B) It is the average pressure throughout the cardiac cycle. 
C) It is the maximum pressure exerted in the arteries. 
D) It is the minimum pressure exerted in the arteries.

Question 19

Varicose veins develop mainly from the incompetent function of which of these structures

Accepted Answer

A) connective tissue lining 
B) endothelium 
C) elastic tissues 
D) venous valves 
A) connective tissue lining 
B) endothelium 
C) elastic tissues 
D) venous valves

Question 20

What is released by most sympathetic fibres at the arterioles

Accepted Answer

A) acetylcholine 
B) dopamine 
C) GABA 
D) norepinephrine 
A) acetylcholine 
B) dopamine 
C) GABA 
D) norepinephrine

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -a hyperaemic response in the heart

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

Which of these local factors does NOT produce the relaxation of arteriolar smooth muscle

Arteriolar smooth muscle normally displays a state of partial constriction known as ____________________.

What is the mean arterial blood pressure when the blood pressure is recorded as 117/78

Vasopressin is a vasodilator.

If the diastolic pressure and systolic pressure were both increased by 18 mmHg, then the pulse pressure would be increased by 19 mmHg.

What is the primary reason that oedema may occur with serious burns

Under which of these conditions will reabsorption occur

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question. -What is the systolic pressure

A capillary wall has a measured thickness of about one ____________________.

Which of these conditions might NOT be associated with oedema

Decreased cardiac output _____ the mean systemic arterial blood pressure.

Movement of fluid out of the capillaries into the interstitial fluid is known as ____________________.

Which of these types of blood vessels consists of only one cell layer

Which of these statements describes velocity of blood flow in capillaries

Which of these statements describes pulse pressure

Varicose veins develop mainly from the incompetent function of which of these structures

What is released by most sympathetic fibres at the arterioles

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

The Blood

Body Defences

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Fluid and Acidbase Balance

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Exam 9: Vascular Physiology

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -a hyperaemic response in the heart

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

Which of these local factors does NOT produce the relaxation of arteriolar smooth muscle

Arteriolar smooth muscle normally displays a state of partial constriction known as ____________________.

What is the mean arterial blood pressure when the blood pressure is recorded as 117/78

Vasopressin is a vasodilator.

If the diastolic pressure and systolic pressure were both increased by 18 mmHg, then the pulse pressure would be increased by 19 mmHg.

What is the primary reason that oedema may occur with serious burns

Under which of these conditions will reabsorption occur

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question. -What is the systolic pressure

A capillary wall has a measured thickness of about one ____________________.

Which of these conditions might NOT be associated with oedema

Decreased cardiac output _____ the mean systemic arterial blood pressure.

Movement of fluid out of the capillaries into the interstitial fluid is known as ____________________.

Which of these types of blood vessels consists of only one cell layer

Which of these statements describes velocity of blood flow in capillaries

Which of these statements describes pulse pressure

Varicose veins develop mainly from the incompetent function of which of these structures

What is released by most sympathetic fibres at the arterioles

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters