Question 1

Most of the oxygen in the blood is bound to ____.

Accepted Answer

A) plasma 
B) serum 
C) platelets 
D) hemoglobin 
E) leukocytes 
A) plasma 
B) serum 
C) platelets 
D) hemoglobin 
E) leukocytes

Question 2

Which organism has a three-chambered heart?

Accepted Answer

A) human 
B) amphibian 
C) arthropod 
D) bird 
E) fish 
A) human 
B) amphibian 
C) arthropod 
D) bird 
E) fish

Question 3

What causes the AV (atrioventricular) valves within the heart to open during the cardiac cycle?

Accepted Answer

A) pressure generated by ventricular muscle contraction 
B) an action potential 
C) fluid pressure from the atria filling with blood 
D) a pacemaker signal 
E) arterial blood pressure 
A) pressure generated by ventricular muscle contraction 
B) an action potential 
C) fluid pressure from the atria filling with blood 
D) a pacemaker signal 
E) arterial blood pressure

Question 4

Which blood vessel type can function as blood volume reservoirs?

Accepted Answer

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

Question 5

Where is blood flow slowest?

Accepted Answer

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

Question 6

Match the blood circuit to the correct description.
-carries blood to and from the lungs

Accepted Answer

A) systemic circuit 
B) pulmonary circuit 
A) systemic circuit 
B) pulmonary circuit

Question 7

Four of the five answers are correct statements about the circulatory system. Select the exception.

Accepted Answer

A) The systemic circuit carries oxygenated blood. 
B) Humans have an open circulatory system. 
C) The function of the heart is to generate pressure to make the blood flow through the circulatory system. 
D) The rate of blood flow varies throughout the circulatory system. 
E) The interstitial fluid is returned to the circulatory system through the lymphatic system. 
A) The systemic circuit carries oxygenated blood. 
B) Humans have an open circulatory system. 
C) The function of the heart is to generate pressure to make the blood flow through the circulatory system. 
D) The rate of blood flow varies throughout the circulatory system. 
E) The interstitial fluid is returned to the circulatory system through the lymphatic system.

Question 8

What happens with blood flow at the arteriole end of a capillary?

Accepted Answer

A) Pressure forces some fluid out of the capillary into the interstitial fluid. 
B) Pressure forces some fluid into the capillary from the interstitial fluid. 
C) Osmotic pressure forces fluid out of the capillary into the interstitial fluid. 
D) There is no fluid movement in either direction. 
E) Osmotic pressure of the blood is lower than at the venule end. 
A) Pressure forces some fluid out of the capillary into the interstitial fluid. 
B) Pressure forces some fluid into the capillary from the interstitial fluid. 
C) Osmotic pressure forces fluid out of the capillary into the interstitial fluid. 
D) There is no fluid movement in either direction. 
E) Osmotic pressure of the blood is lower than at the venule end.

Question 9

Normal diastolic pressure should not exceed ____.

Accepted Answer

A) 60 mm Hg 
B) 80 mm Hg 
C) 100 mm Hg 
D) 120 mm Hg 
E) 150 mm Hg 
A) 60 mm Hg 
B) 80 mm Hg 
C) 100 mm Hg 
D) 120 mm Hg 
E) 150 mm Hg

Question 10

​During blood clot formation, the soluble plasma protein ____ is converted to insoluble threads of ____.

Accepted Answer

A) ​fibrinogen; fibrin 
B) ​fibrin; fibrinogen 
C) ​fibrinogen; thrombin 
D) ​albumin; fibrin 
E) ​fibrin; albumin 
A) ​fibrinogen; fibrin 
B) ​fibrin; fibrinogen 
C) ​fibrinogen; thrombin 
D) ​albumin; fibrin 
E) ​fibrin; albumin

Question 11

Match the blood circuit to the correct description.
-branches quickly into two arteries

Accepted Answer

A) systemic circuit 
B) pulmonary circuit 
A) systemic circuit 
B) pulmonary circuit

Question 12

Human plasma is mainly composed of ____.

Accepted Answer

A) albumin 
B) red blood cells 
C) white blood cells 
D) water 
E) dissolved ions, sugars, and hormones 
A) albumin 
B) red blood cells 
C) white blood cells 
D) water 
E) dissolved ions, sugars, and hormones

Question 13

Match the blood cell type to the correct description.
-This blood component contains hemoglobin.

Accepted Answer

A) red blood cells 
B) neutrophils 
C) platelets 
D) plasma proteins 
A) red blood cells 
B) neutrophils 
C) platelets 
D) plasma proteins

Question 14

Match the circulatory system to the correct description.
-three-chambered heart

Accepted Answer

A) fish circulatory system 
B) amphibian circulatory system 
C) ​mammalian circulatory system 
A) fish circulatory system 
B) amphibian circulatory system 
C) ​mammalian circulatory system

Question 15

What event occurs first in the process of hemostasis?

Accepted Answer

A) Platelets stick together. 
B) Platelets form a plug. 
C) An enzyme cascade activates thrombin. 
D) The injured vessel constricts. 
E) Fibrin forms a clot. 
A) Platelets stick together. 
B) Platelets form a plug. 
C) An enzyme cascade activates thrombin. 
D) The injured vessel constricts. 
E) Fibrin forms a clot.

Question 16

Match the blood circuit to the correct description.
-conveys blood throughout the body

Accepted Answer

A) systemic circuit 
B) pulmonary circuit 
A) systemic circuit 
B) pulmonary circuit

Question 17

Which vessel type regulates the amount of blood a particular area receives?

Accepted Answer

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

Question 18

What happens when the ventricular blood pressure rises during ventricular contraction?

Accepted Answer

A) Aortic and pulmonary valves open. 
B) Atrioventricular valves open. 
C) The atria fill with blood. 
D) Aortic and pulmonary valves close. 
E) The ventricle passively fills with blood. 
A) Aortic and pulmonary valves open. 
B) Atrioventricular valves open. 
C) The atria fill with blood. 
D) Aortic and pulmonary valves close. 
E) The ventricle passively fills with blood.

Question 19

How may high blood pressure affect normal exchange at capillaries?

Accepted Answer

A) More fluid may be forced out of the capillaries. 
B) More interstitial fluid may enter capillaries via osmosis. 
C) A slower rate of blood flow will ensue. 
D) Diffusion will increase through capillaries. 
E) A loss of plasma proteins will occur. 
A) More fluid may be forced out of the capillaries. 
B) More interstitial fluid may enter capillaries via osmosis. 
C) A slower rate of blood flow will ensue. 
D) Diffusion will increase through capillaries. 
E) A loss of plasma proteins will occur.

Question 20

Blood pressure is highest in the ____.

Accepted Answer

A) arteries 
B) arterioles 
C) capillary bed 
D) venules 
E) veins 
A) arteries 
B) arterioles 
C) capillary bed 
D) venules 
E) veins

Exam 33: Circulation

Most of the oxygen in the blood is bound to ____.

Which organism has a three-chambered heart?

What causes the AV (atrioventricular) valves within the heart to open during the cardiac cycle?

Which blood vessel type can function as blood volume reservoirs?

Where is blood flow slowest?

Match the blood circuit to the correct description. -carries blood to and from the lungs

Four of the five answers are correct statements about the circulatory system. Select the exception.

What happens with blood flow at the arteriole end of a capillary?

Normal diastolic pressure should not exceed ____.

​During blood clot formation, the soluble plasma protein ____ is converted to insoluble threads of ____.

Match the blood circuit to the correct description. -branches quickly into two arteries

Human plasma is mainly composed of ____.

Match the blood cell type to the correct description. -This blood component contains hemoglobin.

Match the circulatory system to the correct description. -three-chambered heart

What event occurs first in the process of hemostasis?

Match the blood circuit to the correct description. -conveys blood throughout the body

Which vessel type regulates the amount of blood a particular area receives?

What happens when the ventricular blood pressure rises during ventricular contraction?

How may high blood pressure affect normal exchange at capillaries?

Blood pressure is highest in the ____.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters

During blood clot formation, the soluble plasma protein is converted to insoluble threads of .