Question 1

Each of the following factors would increase peripheral resistance EXCEPT one.Identify the exception.

Accepted Answer

A)  increased sympathetic stimulation 
B)  elevated levels of epinephrine 
C)  vasodilation 
D)  irregularities in the vessel walls caused by plaques 
E)  factors that cause increased hematocrit 
A)  increased sympathetic stimulation 
B)  elevated levels of epinephrine 
C)  vasodilation 
D)  irregularities in the vessel walls caused by plaques 
E)  factors that cause increased hematocrit

Question 2

Brian, 53, finally visited his doctor, after 6 months of being winded after climbing the two flights of stairs to his apartment.He kept blaming himself for being "out of shape," and thought he would be OK after his spring yard work started, but he wasn't.The doctor wasn't surprised when Brian's blood pressure was 160/110 mm Hg.The doctor prescribed some beta blockers and more tests, including an ECG and blood tests.Why did the doctor want this additional information? What are some items he would check in the blood tests, and why?

Accepted Answer

Abnormalities on the ECG would reveal ev

Question 3

Blood flow to a tissue will increase if the

Accepted Answer

A)  level of oxygen at the tissue increases. 
B)  level of carbon dioxide at the tissue increases. 
C)  pH rises. 
D)  vessels constrict. 
E)  All of the answers are correct. 
A)  level of oxygen at the tissue increases. 
B)  level of carbon dioxide at the tissue increases. 
C)  pH rises. 
D)  vessels constrict. 
E)  All of the answers are correct.

Question 4

Which of the following is/are (a)possible treatment(s)for hypertension?

Accepted Answer

A)  calcium channel blockers 
B)  ACE inhibitors 
C)  ANP blockers 
D)  chloride leak channel blockers 
E)  calcium channel blockers and ACE inhibitors 
A)  calcium channel blockers 
B)  ACE inhibitors 
C)  ANP blockers 
D)  chloride leak channel blockers 
E)  calcium channel blockers and ACE inhibitors

Question 5

Venous return to the heart is aided by ________ and the ________.

Accepted Answer

the skelet

Question 6

Blood pressure is determined by

Accepted Answer

A)  measuring the size of the pulse pressure. 
B)  measuring the pressure in the left ventricle. 
C)  measuring the force exerted by blood in a vessel. 
D)  measuring the degree of turbulence in a closed vessel. 
E)  All of the answers are correct. 
A)  measuring the size of the pulse pressure. 
B)  measuring the pressure in the left ventricle. 
C)  measuring the force exerted by blood in a vessel. 
D)  measuring the degree of turbulence in a closed vessel. 
E)  All of the answers are correct.

Question 7

Three tissues-________, ________, and ________-do NOT have traditional capillaries.Instead, they have modified vessels called ________ that are ________ (wider/narrower)than a capillary.

Accepted Answer

the bone marrow, the

Question 8

Arthur's peripheral resistance has increased by 10%.To prevent his mean arterial pressure from changing, what factor must change to compensate, and by how much?

Accepted Answer

MAP @#LAT-DLM& CO × R
Arthur's

Question 9

The structures that regulate blood flow into single capillaries within a tissue are ________.

Accepted Answer

precapilla

Question 10

Compare and contrast the structure and location of arteries, arterioles, capillaries, and veins.How do these differences contribute to the differences in function of each?

Accepted Answer

Arteries contain relatively more smooth

Question 11

List the steps and briefly explain what happens in orthostatic hypotension.What reflex counteracts it?

Accepted Answer

Orthostatic hypotension is the decrease

Question 12

The endothelium of the blood vessels and its adjacent connective tissue make up the ________, which is surrounded by layers of smooth muscle and connective tissue called ________.

Accepted Answer

tunica int

Question 13

Angiostatin and endostatin may be useful in the treatment of

Accepted Answer

A)  myocardial infarction. 
B)  hypertension. 
C)  hypotension. 
D)  cancer. 
E)  vasovagal syncope. 
A)  myocardial infarction. 
B)  hypertension. 
C)  hypotension. 
D)  cancer. 
E)  vasovagal syncope.

Question 14

Many drugs used to treat migraine headaches contain caffeine.What mechanism does caffeine have that can help with migraine headaches?

Accepted Answer

Migraine headaches are caused by dilatio

Question 15

The rapid pressure increase that occurs when the left ventricle pushes blood into the aorta can be felt as ________.

Accepted Answer

The answer of The rapid pressure increase that occurs when...

Question 16

Compare and contrast the types of pressure and flow in systemic, pulmonary, glomerular, and peritubular capillaries using simple diagrams or tables.Be as complete and specific as possible.You do not need to provide values for the pressures, but you should indicate the relative strength of the different pressures.

Accepted Answer

Systemic and pulmonary blood flow is equ

Question 17

Which of the following is occurring during systole?

Accepted Answer

A)  blood pressure increases 
B)  pulse pressure decreases 
C)  more stress is placed on arterial walls 
D)  blood pressure increases and pulse pressure decreases 
E)  blood pressure increases and more stress is placed on arterial walls 
A)  blood pressure increases 
B)  pulse pressure decreases 
C)  more stress is placed on arterial walls 
D)  blood pressure increases and pulse pressure decreases 
E)  blood pressure increases and more stress is placed on arterial walls

Question 18

Receptors that monitor blood pressure are called ________.

Accepted Answer

The answer of Receptors that monitor blood pressure are called...

Question 19

Siegfried experiences a hemorrhage in an artery, and now blood is leaking out of the resulting hole.His blood pressure decreases.Draw a flow chart illustrating the cardiovascular reflex responses that follow to compensate for the drop in blood pressure.

Accepted Answer

As blood exits the vasculature, there is

Question 20

The turbulent flow of blood causes a noise called a ________ that can be heard through the stethoscope when taking blood pressure.

Accepted Answer

The answer of The turbulent flow of blood causes a...

Exam 15: Blood Flow and the Control of Blood Pressure

Each of the following factors would increase peripheral resistance EXCEPT one.Identify the exception.

Blood flow to a tissue will increase if the

Which of the following is/are (a)possible treatment(s)for hypertension?

Venous return to the heart is aided by ________ and the ________.

Blood pressure is determined by

Three tissues-________, ________, and ________-do NOT have traditional capillaries.Instead, they have modified vessels called ________ that are ________ (wider/narrower)than a capillary.

Arthur's peripheral resistance has increased by 10%.To prevent his mean arterial pressure from changing, what factor must change to compensate, and by how much?

The structures that regulate blood flow into single capillaries within a tissue are ________.

Compare and contrast the structure and location of arteries, arterioles, capillaries, and veins.How do these differences contribute to the differences in function of each?

List the steps and briefly explain what happens in orthostatic hypotension.What reflex counteracts it?

The endothelium of the blood vessels and its adjacent connective tissue make up the ________, which is surrounded by layers of smooth muscle and connective tissue called ________.

Angiostatin and endostatin may be useful in the treatment of

Many drugs used to treat migraine headaches contain caffeine.What mechanism does caffeine have that can help with migraine headaches?

The rapid pressure increase that occurs when the left ventricle pushes blood into the aorta can be felt as ________.

Which of the following is occurring during systole?

Receptors that monitor blood pressure are called ________.

Siegfried experiences a hemorrhage in an artery, and now blood is leaking out of the resulting hole.His blood pressure decreases.Draw a flow chart illustrating the cardiovascular reflex responses that follow to compensate for the drop in blood pressure.

The turbulent flow of blood causes a noise called a ________ that can be heard through the stethoscope when taking blood pressure.

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

Filters

Venous return to the heart is aided by and the .

Three tissues-, , and -do NOT have traditional capillaries.Instead, they have modified vessels called that are (wider/narrower)than a capillary.

The endothelium of the blood vessels and its adjacent connective tissue make up the , which is surrounded by layers of smooth muscle and connective tissue called .