Question 1

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 2

Oxygen is carried in circulation primarily

Accepted Answer

A) as a dissolved gas in the plasma. 
B) as carbonic acid. 
C) bound to hemoglobin in the red blood cells. 
D) by white blood cells. 
E) None of the choices is correct 
A) as a dissolved gas in the plasma. 
B) as carbonic acid. 
C) bound to hemoglobin in the red blood cells. 
D) by white blood cells. 
E) None of the choices is correct

Question 3

In very small organisms,or those with a large surface area relative to mass,substantial exchange of respiratory gases can take place by ____________ directly between the organism and its environment.

Accepted Answer

The answer of In very small organisms,or those with a...

Question 4

______________ engulf spent erythrocytes.

Accepted Answer

The answer of ______________ engulf spent erythrocytes....

Question 5

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 6

You are a Genetic Counselor and need to meet with a couple that recently had a baby boy that has hemophilia.As part of the conversation you explain the basic genetics of the condition and provide advice concerning the likelihood of having additional children with the disease.Which statement below is most accurate?

Accepted Answer

A) Hemophilia is a genetic disorder that is inherited on the Y chromosome.Because males have one Y chromosome,should you choose to have subsequent children,males and females have an equal chance of being afflicted with hemophilia. 
B) Hemophilia is a genetic disorder that is inherited on the Y chromosome.Because males have one Y chromosome,should you choose to have subsequent children,only males would be afflicted with hemophilia. 
C) Hemophilia is a genetic disorder that is inherited on the X chromosome.Because females have two X chromosomes,should you choose to have subsequent children,females are more likely to be afflicted with hemophilia than males. 
D) Hemophilia is a genetic disorder that is inherited on the X chromosome.Because males only have one X chromosome,should you choose to have subsequent children,male children are more likely to be afflicted with hemophilia. 
A) Hemophilia is a genetic disorder that is inherited on the Y chromosome.Because males have one Y chromosome,should you choose to have subsequent children,males and females have an equal chance of being afflicted with hemophilia. 
B) Hemophilia is a genetic disorder that is inherited on the Y chromosome.Because males have one Y chromosome,should you choose to have subsequent children,only males would be afflicted with hemophilia. 
C) Hemophilia is a genetic disorder that is inherited on the X chromosome.Because females have two X chromosomes,should you choose to have subsequent children,females are more likely to be afflicted with hemophilia than males. 
D) Hemophilia is a genetic disorder that is inherited on the X chromosome.Because males only have one X chromosome,should you choose to have subsequent children,male children are more likely to be afflicted with hemophilia.

Question 7

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 8

Opposing the blood hydrostatic pressure that forces water across capillaries is the

Accepted Answer

A) cellular hydrostatic pressure. 
B) albumin concentration gradient. 
C) colloid osmotic pressure. 
D) lymphatic hydrostatic pressure. 
E) law of coupled balanced flow. 
A) cellular hydrostatic pressure. 
B) albumin concentration gradient. 
C) colloid osmotic pressure. 
D) lymphatic hydrostatic pressure. 
E) law of coupled balanced flow.

Question 9

Discuss the physiological mechanism by which the heartbeat is set (e.g. ,discuss the pacemaker cells,Purkinje fibers,and the cardiac control center in the brain).

Accepted Answer

The heartbeat is set by a complex physio

Question 10

At sea level,air pressure is 760 mm of mercury (Hg).If we altered the oxygen content in a hospital room to 30% oxygen and 70% nitrogen,the partial pressure of oxygen would be

Accepted Answer

A) 70% - 30% = 40%. 
B) 760 x 30% = 228 mm Hg. 
C) 760 x 40% = 304 mm Hg. 
D) 760 x 70% = 532 mm Hg. 
E) There is not enough information to calculate it. 
A) 70% - 30% = 40%. 
B) 760 x 30% = 228 mm Hg. 
C) 760 x 40% = 304 mm Hg. 
D) 760 x 70% = 532 mm Hg. 
E) There is not enough information to calculate it.

Question 11

The major intracellular electrolytes are potassium,magnesium,and phosphate ions,while the chief extracellular electrolytes are sodium,chloride,and ________ _________.

Accepted Answer

The answer of The major intracellular electrolytes are potassium,magnesium,and phosphate...

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

Arteries are blood vessels that carry ox

Question 13

The mammalian lung is filled with millions of small air sacs called _______________.

Accepted Answer

The answer of The mammalian lung is filled with millions...

Question 14

Specialized tubules in insects that make direct contact with the tissues to provide oxygen and remove carbon dioxide are called

Accepted Answer

A) dermal branchiae. 
B) tracheae. 
C) gills. 
D) lungs. 
E) branchial tufts. 
A) dermal branchiae. 
B) tracheae. 
C) gills. 
D) lungs. 
E) branchial tufts.

Question 15

Compare the structure of a major vein with that of a major artery.Why are the two so different?

Accepted Answer

The structure of a major vein and a majo

Question 16

Which statement of red blood cell (RBC)structure or function is correct?

Accepted Answer

A) In mammals and birds,RBCs continuously form from erythroblasts in the red bone marrow. 
B) Mammal RBCs do not lose their nucleus when they mature. 
C) Over 90% of the cell by weight is hemoglobin. 
D) The completely flat shape of RBCs provides greater surface area for osmosis. 
E) The average life of an RBC is several years after which its components are salvaged by the liver. 
A) In mammals and birds,RBCs continuously form from erythroblasts in the red bone marrow. 
B) Mammal RBCs do not lose their nucleus when they mature. 
C) Over 90% of the cell by weight is hemoglobin. 
D) The completely flat shape of RBCs provides greater surface area for osmosis. 
E) The average life of an RBC is several years after which its components are salvaged by the liver.

Question 17

In the efficient double circulation of birds and mammals,the blood goes through a systemic circuit and a completely separate _______________ circuit.

Accepted Answer

The answer of In the efficient double circulation of birds...

Question 18

An alternative name for the mouth is the ________ _________.

Accepted Answer

The answer of An alternative name for the mouth is...

Question 19

What are the inherent problems involved in aquatic and aerial breathing?

Accepted Answer

The inherent problems involved in aquati

Question 20

The name of the instrument that we use to measure blood pressure is the ______________.

Accepted Answer

The answer of The name of the instrument that we...

Exam 31: Homeostasis: Internal Fluids and Respiration

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

Oxygen is carried in circulation primarily

In very small organisms,or those with a large surface area relative to mass,substantial exchange of respiratory gases can take place by ____________ directly between the organism and its environment.

______________ engulf spent erythrocytes.

Which of the following is correct?

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

Opposing the blood hydrostatic pressure that forces water across capillaries is the

Discuss the physiological mechanism by which the heartbeat is set (e.g. ,discuss the pacemaker cells,Purkinje fibers,and the cardiac control center in the brain).

At sea level,air pressure is 760 mm of mercury (Hg).If we altered the oxygen content in a hospital room to 30% oxygen and 70% nitrogen,the partial pressure of oxygen would be

The major intracellular electrolytes are potassium,magnesium,and phosphate ions,while the chief extracellular electrolytes are sodium,chloride,and ________ _________.

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

The mammalian lung is filled with millions of small air sacs called _______________.

Specialized tubules in insects that make direct contact with the tissues to provide oxygen and remove carbon dioxide are called

Compare the structure of a major vein with that of a major artery.Why are the two so different?

Which statement of red blood cell (RBC)structure or function is correct?

In the efficient double circulation of birds and mammals,the blood goes through a systemic circuit and a completely separate _______________ circuit.

An alternative name for the mouth is the ________ _________.

What are the inherent problems involved in aquatic and aerial breathing?

The name of the instrument that we use to measure blood pressure is 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

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

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 Distribution

Animal Ecology

Filters

The major intracellular electrolytes are potassium,magnesium,and phosphate ions,while the chief extracellular electrolytes are sodium,chloride,and _.

An alternative name for the mouth is the _.