Question 1

Outline the functions of the lymphatic system.

Accepted Answer

The lymphatic system is a crucial part o

Question 2

A blood clot is formed by a fibrin meshwork in a reaction that is catalyzed by the enzyme

Accepted Answer

A)  platelet factor. 
B)  prothrombin. 
C)  thrombin. 
D)  fibrinogen. 
E)  fibrinase. 
A)  platelet factor. 
B)  prothrombin. 
C)  thrombin. 
D)  fibrinogen. 
E)  fibrinase.

Question 3

The lower affinity of hemoglobin for oxygen in the presence of increased carbon dioxide is called the _______ ________.

Accepted Answer

The answer of The lower affinity of hemoglobin for oxygen...

Question 4

The blood vessel that delivers oxygen and nutrients to the heart is the ________ ________.

Accepted Answer

The answer of The blood vessel that delivers oxygen and...

Question 5

The exchange of nutrients,oxygen,and wastes (including carbon dioxide)takes place across the walls of the

Accepted Answer

A)  lymph vessels. 
B)  arteries. 
C)  capillaries. 
D)  veins. 
E)  lymphatic vessels. 
A)  lymph vessels. 
B)  arteries. 
C)  capillaries. 
D)  veins. 
E)  lymphatic vessels.

Question 6

Why is the catalytic sequence leading to blood clotting so complex? Wouldn't it make evolutionary and metabolic sense to have a more immediate and much shorter biochemical sequence leading to blood clotting?

Accepted Answer

The complexity of the blood clotting cas

Question 7

In the tetrapod heart,the pacemaker is in the

Accepted Answer

A)  atrioventricular bundle. 
B)  purkinje fibers. 
C)  vagus nerves. 
D)  cardiac control center. 
E)  Sinoatrial (S
A)  node. 
A)  atrioventricular bundle. 
B)  purkinje fibers. 
C)  vagus nerves. 
D)  cardiac control center. 
E)  Sinoatrial (S
A)  node.

Question 8

Extracellular fluid in animals with a closed circulatory system is subdivided into blood plasma and _________________ (intercellular)fluid.

Accepted Answer

The answer of Extracellular fluid in animals with a closed...

Question 9

The lymphatic system drains lymph back into the

Accepted Answer

A)  large intestine. 
B)  heart. 
C)  vena cava. 
D)  veins of the liver. 
E)  veins of the lower neck. 
A)  large intestine. 
B)  heart. 
C)  vena cava. 
D)  veins of the liver. 
E)  veins of the lower neck.

Question 10

The long,insoluble threads of fibrin of a blood clot originated from

Accepted Answer

A)  fibrinogen 
B)  thrombin. 
C)  collagen. 
D)  prothrombin. 
E)  platelets. 
A)  fibrinogen 
B)  thrombin. 
C)  collagen. 
D)  prothrombin. 
E)  platelets.

Question 11

Which of the following associations of blood components and functions is NOT correct?

Accepted Answer

A)  Albumin-large protein that maintains osmotic balance 
B)  Serum-plasma minus the proteins involved in clotting 
C)  Fibrinogen-large protein for blood clotting 
D)  Erythrocytes-red blood cells 
E)  Globulins-carriers of simple sugars 
A)  Albumin-large protein that maintains osmotic balance 
B)  Serum-plasma minus the proteins involved in clotting 
C)  Fibrinogen-large protein for blood clotting 
D)  Erythrocytes-red blood cells 
E)  Globulins-carriers of simple sugars

Question 12

Why should arteries farther away from the heart possess more smooth muscle and fewer elastic fibers than arteries closer to the heart?

Accepted Answer

The answer of Why should arteries farther away from the...

Question 13

What are the physiological roles of fibrinogen,fibrin,prothrombin,and thromboplastin? Where,why,and when are these compounds made?

Accepted Answer

Fibrinogen, fibrin, prothrombin, and thr

Question 14

Platelets

Accepted Answer

A)  are specialized red blood cells. 
B)  carry the blood type protein. 
C)  initiate clotting by releasing thromboplastin. 
D)  transport carbon dioxide in the blood. 
E)  are responsible for the buildup of plaques on artery walls. 
A)  are specialized red blood cells. 
B)  carry the blood type protein. 
C)  initiate clotting by releasing thromboplastin. 
D)  transport carbon dioxide in the blood. 
E)  are responsible for the buildup of plaques on artery walls.

Question 15

The blood vessel that provides oxygen to the heart tissue is the

Accepted Answer

A)  pulmonary artery. 
B)  coronary artery. 
C)  left carotid artery. 
D)  renal artery. 
E)  left subclavian artery. 
A)  pulmonary artery. 
B)  coronary artery. 
C)  left carotid artery. 
D)  renal artery. 
E)  left subclavian artery.

Question 16

Which of the following is correct?

Accepted Answer

A)  Blood plasma-fewer large protein molecules 
B)  Interstitial spaces-three times more water than bloodstream 
C)  Intracellular-sodium, chloride, and bicarbonate ions 
D)  Extracellular-potassium, magnesium, and phosphate ions 
E)  Blood plasma-half of the body's water 
A)  Blood plasma-fewer large protein molecules 
B)  Interstitial spaces-three times more water than bloodstream 
C)  Intracellular-sodium, chloride, and bicarbonate ions 
D)  Extracellular-potassium, magnesium, and phosphate ions 
E)  Blood plasma-half of the body's water

Question 17

In multicellular animals,body fluids are divided into two main phases,

Accepted Answer

A)  blood plasma and interstitial fluid. 
B)  blood plasma and lymph. 
C)  bloodstream and digestive fluids. 
D)  bloodstream and cerebrospinal fluids. 
E)  intracellular and extracellular. 
A)  blood plasma and interstitial fluid. 
B)  blood plasma and lymph. 
C)  bloodstream and digestive fluids. 
D)  bloodstream and cerebrospinal fluids. 
E)  intracellular and extracellular.

Question 18

The heartbeat rate is controlled by the cardiac center located in the

Accepted Answer

A)  cerebellum. 
B)  medulla. 
C)  cerebrum. 
D)  midbrain. 
E)  heart wall. 
A)  cerebellum. 
B)  medulla. 
C)  cerebrum. 
D)  midbrain. 
E)  heart wall.

Question 19

The rhythm and depth of breathing normally are controlled by the level of ________ _______ in the blood.

Accepted Answer

The answer of The rhythm and depth of breathing normally...

Question 20

If a person has a blood pressure of 110/60,the "110" refers to the

Accepted Answer

A)  diastolic pressure. 
B)  systolic pressure. 
C)  pulse pressure. 
D)  capillary pressure. 
E)  venous pressure. 
A)  diastolic pressure. 
B)  systolic pressure. 
C)  pulse pressure. 
D)  capillary pressure. 
E)  venous pressure.

Exam 31: Homeostasis: Internal Fluids and Respiration

Outline the functions of the lymphatic system.

A blood clot is formed by a fibrin meshwork in a reaction that is catalyzed by the enzyme

The lower affinity of hemoglobin for oxygen in the presence of increased carbon dioxide is called the _______ ________.

The blood vessel that delivers oxygen and nutrients to the heart is the ________ ________.

The exchange of nutrients,oxygen,and wastes (including carbon dioxide)takes place across the walls of the

Why is the catalytic sequence leading to blood clotting so complex? Wouldn't it make evolutionary and metabolic sense to have a more immediate and much shorter biochemical sequence leading to blood clotting?

In the tetrapod heart,the pacemaker is in the

Extracellular fluid in animals with a closed circulatory system is subdivided into blood plasma and _________________ (intercellular)fluid.

The lymphatic system drains lymph back into the

The long,insoluble threads of fibrin of a blood clot originated from

Which of the following associations of blood components and functions is NOT correct?

Why should arteries farther away from the heart possess more smooth muscle and fewer elastic fibers than arteries closer to the heart?

What are the physiological roles of fibrinogen,fibrin,prothrombin,and thromboplastin? Where,why,and when are these compounds made?

Platelets

The blood vessel that provides oxygen to the heart tissue is the

Which of the following is correct?

In multicellular animals,body fluids are divided into two main phases,

The heartbeat rate is controlled by the cardiac center located in the

The rhythm and depth of breathing normally are controlled by the level of ________ _______ in the blood.

If a person has a blood pressure of 110/60,the "110" refers to the

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distributions

Animal Ecology

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The lower affinity of hemoglobin for oxygen in the presence of increased carbon dioxide is called the _ __.

The blood vessel that delivers oxygen and nutrients to the heart is the .

The rhythm and depth of breathing normally are controlled by the level of __ _ in the blood.