Question 1

-spleen

Accepted Answer

E

Question 2

Which set of terms refers to the control of cardiac output?

Accepted Answer

A) baroreceptors, brainstem, heart 
B) heart, baroreceptors, brainstem 
C) brainstem, heart, baroreceptors 
D) brainstem, baroreceptors, heart 
A) baroreceptors, brainstem, heart 
B) heart, baroreceptors, brainstem 
C) brainstem, heart, baroreceptors 
D) brainstem, baroreceptors, heart A

Question 3

What is the main force that moves blood throughout the system of blood vessels?

Accepted Answer

A) valve action 
B) venous blood pressure 
C) smooth muscle action 
D) arterial blood pressure 
A) valve action 
B) venous blood pressure 
C) smooth muscle action 
D) arterial blood pressure D

Question 4

Which sequence places the components of the electrical activity of the heart in the proper order?

Accepted Answer

A) AV node, Purkinje fibres, SA node 
B) Purkinje fibres, AV node, SA node 
C) SA node, AV node, Purkinje fibres 
D) AV node, SA node, Purkinje fibres 
A) AV node, Purkinje fibres, SA node 
B) Purkinje fibres, AV node, SA node 
C) SA node, AV node, Purkinje fibres 
D) AV node, SA node, Purkinje fibres

Question 5

How much fluid does the lymphatic system return to the bloodstream each day?

Accepted Answer

A) 10 to 13 litres 
B) 6 to 7 litres 
C) 3 to 4 litres 
D) 1 to 2 litres 
A) 10 to 13 litres 
B) 6 to 7 litres 
C) 3 to 4 litres 
D) 1 to 2 litres

Question 6

How many times per minute does the average human heart beat?

Accepted Answer

A) 120 
B) 72 
C) 53 
D) 10 
A) 120 
B) 72 
C) 53 
D) 10

Question 7

Which component of plasma constitutes antibodies?

Accepted Answer

A) dissolved gas 
B) albumin 
C) fibrinogen 
D) immunoglobulin 
A) dissolved gas 
B) albumin 
C) fibrinogen 
D) immunoglobulin

Question 8

Why do veins have less elastic components than arteries?

Accepted Answer

When blood enters the arteries, it is tr

Question 9

Which of the following is characteristic of sponges and hydras?

Accepted Answer

A) lack of an actual circulatory system 
B) lack of a reproductive system 
C) lack of a digestive system 
D) lack of a muscle system 
A) lack of an actual circulatory system 
B) lack of a reproductive system 
C) lack of a digestive system 
D) lack of a muscle system

Question 10

The primary function of erythrocytes is to participate in immune reactions.

Accepted Answer

A) True 
 B)False

Question 11

In which blood vessels is pressure the greatest?

Accepted Answer

A) in the veins 
B) in the capillaries 
C) in the arteries 
D) in the venules 
A) in the veins 
B) in the capillaries 
C) in the arteries 
D) in the venules

Question 12

Place the structures in the correct order that deoxygenated blood (blood lacking oxygen) will encounter after it enters the heart.
A. aorta
B. left atrium
C. left ventricle
D. lungs
E. pulmonary arteries
F. pulmonary veins
G. right atrium
H. right ventricle
first structure ___________
second structure ___________
third structure ___________
fourth structure ___________
fifth structure ___________
sixth structure ___________
seventh structure ___________
eighth structure ___________

Accepted Answer

First: G
Second: H
T

Question 13

Which structures could be considered blood reservoirs?

Accepted Answer

A) veins 
B) arterioles 
C) capillaries 
D) arteries 
A) veins 
B) arterioles 
C) capillaries 
D) arteries

Question 14

-aorta

Accepted Answer

The answer of  
-aorta...

Question 15

-valve (two valves are labelled)

Accepted Answer

The answer of  
-valve (two valves are labelled)...

Question 16

What happens to your blood pressure when you run?

Accepted Answer

A) Only your diastolic blood pressure elevates. 
B) Both your diastolic and systolic blood pressures elevate. 
C) Both your diastolic and systolic blood pressure stay the same. 
D) Only your systolic blood pressure elevates. 
A) Only your diastolic blood pressure elevates. 
B) Both your diastolic and systolic blood pressures elevate. 
C) Both your diastolic and systolic blood pressure stay the same. 
D) Only your systolic blood pressure elevates.

Question 17

-thymus

Accepted Answer

The answer of  
-thymus...

Question 18

Why must an animal such as an amphibian remain moist?

Accepted Answer

Even though an amphibian may contain lun

Question 19

Which of the following would be the most likely reason for high resistance of capillaries to blood flow?

Accepted Answer

A) the diameter of capillaries being so small that the white blood cells must squeeze 
B) the diameter of capillaries being so small that that the red blood cells must squeeze 
C) the diameter of capillaries being so large that the red blood cells must fill it all up 
D) the diameter of capillaries being so large that the white blood cells must fill it all up 
A) the diameter of capillaries being so small that the white blood cells must squeeze 
B) the diameter of capillaries being so small that that the red blood cells must squeeze 
C) the diameter of capillaries being so large that the red blood cells must fill it all up 
D) the diameter of capillaries being so large that the white blood cells must fill it all up

Question 20

Why is the movement of blood in veins sometimes described as "milking a vein"?

Accepted Answer

When the contraction of skeletal muscles

Exam 40: Transport in Animals: the Circulatory System

-spleen

Which set of terms refers to the control of cardiac output?

What is the main force that moves blood throughout the system of blood vessels?

Which sequence places the components of the electrical activity of the heart in the proper order?

How much fluid does the lymphatic system return to the bloodstream each day?

How many times per minute does the average human heart beat?

Which component of plasma constitutes antibodies?

Why do veins have less elastic components than arteries?

Which of the following is characteristic of sponges and hydras?

The primary function of erythrocytes is to participate in immune reactions.

In which blood vessels is pressure the greatest?

Which structures could be considered blood reservoirs?

-aorta

-valve (two valves are labelled)

What happens to your blood pressure when you run?

-thymus

Why must an animal such as an amphibian remain moist?

Which of the following would be the most likely reason for high resistance of capillaries to blood flow?

Why is the movement of blood in veins sometimes described as "milking a vein"?

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

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