Question 1

The main force that moves blood throughout the system of blood vessels is ____. ​

Accepted Answer

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

Question 2

The systemic circuit is complete when ____. ​

Accepted Answer

A) oxygen-depleted blood collects in veins ​ 
B) oxygen-rich blood collects in veins 
C) blood enters the pulmonary veins 
D) blood enters the aorta 
E) blood enters the right atrium 
A) oxygen-depleted blood collects in veins ​ 
B) oxygen-rich blood collects in veins 
C) blood enters the pulmonary veins 
D) blood enters the aorta 
E) blood enters the right atrium

Question 3

Coronary circulation involves ____. ​

Accepted Answer

A) only the aorta 
B) only the coronary arteries 
C) only capillaries 
D) the aorta and coronary arteries 
E) the aorta, coronary arteries, and capillaries 
A) only the aorta 
B) only the coronary arteries 
C) only capillaries 
D) the aorta and coronary arteries 
E) the aorta, coronary arteries, and capillaries

Question 4

In times of stress, the sympathetic nervous system decreases blood pressure. ​

Accepted Answer

A) True 
 B)False

Question 5

The ____ are considered to be blood reservoirs. ​

Accepted Answer

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

Question 6

Which animal has a gastrovascular cavity? ​

Accepted Answer

A) earthworm 
B) fish 
C) hydra 
D) insect 
E) sponge ​ 
A) earthworm 
B) fish 
C) hydra 
D) insect 
E) sponge ​

Question 7

The ____ is an accessory system of vessels and organs that helps balance the fluid content of the blood and surrounding tissues. ​

Accepted Answer

A) circulatory system 
B) non-circulatory system 
C) accessory vessel system 
D) lymphatic system 
E) heart ​ 
A) circulatory system 
B) non-circulatory system 
C) accessory vessel system 
D) lymphatic system 
E) heart ​

Question 8

The lymphatic system returns ____ liters of fluid to the bloodstream each day. ​

Accepted Answer

A) 1 to 2 
B) 3 to 4 
C) 6 to 7 
D) 10 to 13 
E) more than 50 
A) 1 to 2 
B) 3 to 4 
C) 6 to 7 
D) 10 to 13 
E) more than 50

Question 9

What causes deep venous thrombosis? ​

Accepted Answer

A) anemia ​ 
B) decreased skeletal muscle action 
C) high blood pressure 
D) increased skeletal muscle action 
E) low blood pressure 
A) anemia ​ 
B) decreased skeletal muscle action 
C) high blood pressure 
D) increased skeletal muscle action 
E) low blood pressure

Question 10

The ____ components of blood are involved in the formation of clots. ​

Accepted Answer

A) albumin and fibrinogen ​ 
B) albumin and leukocytes 
C) fibrinogen and erythrocytes 
D) fibrinogen and platelets 
E) platelets and albumin 
A) albumin and fibrinogen ​ 
B) albumin and leukocytes 
C) fibrinogen and erythrocytes 
D) fibrinogen and platelets 
E) platelets and albumin

Question 11

Heart rate ____ in response to ____ arterial pressure. ​

Accepted Answer

A) skips; fluctuations in ​ 
B) decreases; any change in 
C) decreases; low 
D) increases; high 
E) increases; low 
A) skips; fluctuations in ​ 
B) decreases; any change in 
C) decreases; low 
D) increases; high 
E) increases; low

Question 12

The ____ carries oxygenated blood. ​

Accepted Answer

A) inferior vena cava 
B) pulmonary artery 
C) pulmonary vein 
D) superior vena cava ​ 
E) lymphatic vessel 
A) inferior vena cava 
B) pulmonary artery 
C) pulmonary vein 
D) superior vena cava ​ 
E) lymphatic vessel

Question 13

Atherosclerosis is ____. ​

Accepted Answer

A) a clot in an artery 
B) buildup of plaque in an artery 
C) buildup of plaque in a vein 
D) high blood pressure 
E) low blood pressure 
A) a clot in an artery 
B) buildup of plaque in an artery 
C) buildup of plaque in a vein 
D) high blood pressure 
E) low blood pressure

Question 14

Augustus Waller invented a machine that measures ____. ​

Accepted Answer

A) blood pressure when the ventricles are contracting 
B) blood pressure when the ventricles are relaxed 
C) cardiac output 
D) electrical activity of the brain 
E) electrical activity of the heart ​ 
A) blood pressure when the ventricles are contracting 
B) blood pressure when the ventricles are relaxed 
C) cardiac output 
D) electrical activity of the brain 
E) electrical activity of the heart ​

Question 15

In an average person, ____ erythrocytes are produced each second. ​

Accepted Answer

A) 200 to 300 ​ 
B) 2,000 to 3,000 
C) 2 to 3 million 
D) 4.8 to 5.4 million 
E) 2 to 3 billion 
A) 200 to 300 ​ 
B) 2,000 to 3,000 
C) 2 to 3 million 
D) 4.8 to 5.4 million 
E) 2 to 3 billion

Question 16

The first evidence that the vasodilatory signal molecule was produced by ____ was reported in 1980. ​

Accepted Answer

A) nitric oxide 
B) endothelial cells 
C) CO2 
D) cardiac muscle cells 
E) platelets 
A) nitric oxide 
B) endothelial cells 
C) CO2 
D) cardiac muscle cells 
E) platelets

Question 17

Which two animals have no distinct circulatory system? ​

Accepted Answer

A) grasshopper and fish 
B) grasshopper and hydra 
C) hydra and fish 
D) sponge and fish 
E) sponge and hydra 
A) grasshopper and fish 
B) grasshopper and hydra 
C) hydra and fish 
D) sponge and fish 
E) sponge and hydra

Question 18

Blood pressure reduces as it moves away from the heart due mainly due to ____. ​

Accepted Answer

A) loss of volume 
B) friction 
C) inertia 
D) gravity 
E) distance traveled 
A) loss of volume 
B) friction 
C) inertia 
D) gravity 
E) distance traveled

Question 19

The sinoatrial node is located in the ____. ​

Accepted Answer

A) left atrium 
B) left ventricle 
C) pulmonary artery 
D) right atrium 
E) right ventricle 
A) left atrium 
B) left ventricle 
C) pulmonary artery 
D) right atrium 
E) right ventricle

Question 20

Amphibians can accomplish gas exchange using ____. ​

Accepted Answer

A) gills only 
B) lungs only 
C) respiration through the skin only 
D) both gills and lungs 
E) gills, lungs, and respiration through the skin 
A) gills only 
B) lungs only 
C) respiration through the skin only 
D) both gills and lungs 
E) gills, lungs, and respiration through the skin

Exam 44: The Circulatory System

The main force that moves blood throughout the system of blood vessels is ____. ​

The systemic circuit is complete when ____. ​

Coronary circulation involves ____. ​

In times of stress, the sympathetic nervous system decreases blood pressure. ​

The ____ are considered to be blood reservoirs. ​

Which animal has a gastrovascular cavity? ​

The ____ is an accessory system of vessels and organs that helps balance the fluid content of the blood and surrounding tissues. ​

The lymphatic system returns ____ liters of fluid to the bloodstream each day. ​

What causes deep venous thrombosis? ​

The ____ components of blood are involved in the formation of clots. ​

Heart rate ____ in response to ____ arterial pressure. ​

The ____ carries oxygenated blood. ​

Atherosclerosis is ____. ​

Augustus Waller invented a machine that measures ____. ​

In an average person, ____ erythrocytes are produced each second. ​

The first evidence that the vasodilatory signal molecule was produced by ____ was reported in 1980. ​

Which two animals have no distinct circulatory system? ​

Blood pressure reduces as it moves away from the heart due mainly due to ____. ​

The sinoatrial node is located in the ____. ​

Amphibians can accomplish gas exchange using ____. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

The main force that moves blood throughout the system of blood vessels is ____.

The systemic circuit is complete when ____.

Coronary circulation involves ____.

In times of stress, the sympathetic nervous system decreases blood pressure.

The ____ are considered to be blood reservoirs.

Which animal has a gastrovascular cavity?

The ____ is an accessory system of vessels and organs that helps balance the fluid content of the blood and surrounding tissues.

The lymphatic system returns ____ liters of fluid to the bloodstream each day.

What causes deep venous thrombosis?

The ____ components of blood are involved in the formation of clots.

Heart rate in response to arterial pressure.

The ____ carries oxygenated blood.

Atherosclerosis is ____.

Augustus Waller invented a machine that measures ____.

In an average person, ____ erythrocytes are produced each second.

The first evidence that the vasodilatory signal molecule was produced by ____ was reported in 1980.

Which two animals have no distinct circulatory system?

Blood pressure reduces as it moves away from the heart due mainly due to ____.

The sinoatrial node is located in the ____.

Amphibians can accomplish gas exchange using ____.