An important function of the spleen is to destroy and remove worn out red blood cells.

The function of the thymus is to produce lymph fluid

A pacemaker is a surgically implanted electronic device that regulates the patient’s heartbeat.

Capillaries are the largest of the blood vessels.​

Lymph vessels are located in almost all the tissues and organs that have blood vessels.​

The structure of the heart allows it to function as a double pump.

Septicemia is the presence of pathogenic organisms or toxins in the blood.​

After 4 to 5 minutes without blood flow, the brain cells are irreversibly damaged.

It is not uncommon for a person who contracts HIV to live without serious symptoms for as long as 10 years.​

Most infectious diseases are transmitted through direct contact, such as touching someone or kissing them.​

Cancer cells can become trapped in lymph nodes, which may necessitate surgical removal of the involved lymph nodes.​

Many fungi are sources of food and medicines that are beneficial to humans.​

Arteries carry deoxygenated blood to the heart.​

Cerebral hemorrhage refers to bleeding from the blood vessels within the brain.​

A stroke is the sudden interruption of the blood supply to the brain.​

Thrombosis is the formation of a blood clot in a blood vessel.​

Congenital heart defects occur when there is a malformation of the heart during fetal development.​

If a person has been fully immunized as a child, there is no need for vaccines during adulthood.​

Thirty minutes of physical exercise is recommended for most days of the week as a way to improve health and decrease risk factors for heart disease.​

Murmurs indicate some defects in the valves of the heart.​

Infants must be protected against all types of infection, because they are born without any type of immunity.​

Hodgkin’s disease is also known as the “kissing disease.”​

The characteristic symptoms of inflammation are redness, local heat, swelling, and pain.​

If a health care worker is wearing gloves during a client procedure, it is not necessary to wash the hands immediately following the procedure.​

Instead of using its own lungs, the fetus obtains oxygen and nutrients from the mother’s blood.​

An arrhythmia is any change or deviation from the normal rate or rhythm of the heart.​

Everyone has an Rh factor, which is found on the surface of red blood cells.​

The heart sounds heard through a stethoscope are caused by the impact of the blood churning in the chambers.​

Emotional stress can increase an individual’s chance of becoming a susceptible host for infection.​

It is possible for a person who is experiencing no symptoms of AIDS to carry and transmit HIV to others.

Used needles should never be recapped.​

Water makes up about 75 percent of the total volume of plasma.​

Invasive procedures are those that do not penetrate the skin or a body cavity.​

Low blood pressure is a risk factor for heart disease.​

Another term for blood clotting is coagulation.​

The adult human heart weighs less than one pound.​

The artery that runs along the upper arm and elbow area where a pulse point can be found is called _____.​

Which would be the spleen’s first action in response to a deep knife wound in the leg?​

A rapid heartbeat of more than 100 beats per minute is most accurately called _____.​

Which practice would be used for the purpose of protecting a client who is receiving chemotherapy?

Certain bacteria have been designated as “superbugs” because they _____.​

Which of the following processes can be used to eliminate all pathogens, except spores?​

Which of the following best describes an opportunistic infection?​

The substance that diffuses from the capillaries into the tissue spaces is called _____.​

How does inoculation protect the body against infectious diseases?​

What is the minimum amount of time that hands should be washed to prevent infection?

In the chain of infection, which of the following would most likely serve as a portal of exit?​

_____ is the death of body tissue as a result of an insufficient blood supply caused by disease or injury.​

A person who has type A- (A negative) blood can receive a transfusion from which of the following?​

Which of the following microorganisms must live inside the cell of another organism in order to secure nourishment and reproduce?​

Which of the following would contain deoxygenated blood?

A deficiency in the number and/or percentage of red blood cells and the amount of hemoglobin in the blood is called _____.​

The formation of all blood cell types in the red bone marrow is called ___________.​

Cardiac muscle tissue, or _____, makes up the major portion of the

Which organ can be seriously affected by infectious mononucleosis?​

The main reason that the spores of disease-causing bacteria are dangerous is that they _____.​

Which of the following is the major reason why tonsils are not surgically removed as frequently today as in the past?​

Which of the following is an example of a nonspecific immune defense?​

All, health care workers must have current certification in which of the following?​

Which of the following infectious diseases is the most likely biological terrorism agent?​

How many people have been cured of AIDS?

How many chambers are in the human heart?

Which of the following actions have been shown to transmit HIV from one person to another?​

The blood vessels that bring deoxygenated blood back to the heart are called the _____.​

Severe chest pain that occurs when the heart does not receive enough oxygen is called _____.​

_____ is vital to the function of the red blood cell, helping it transport oxygen to the tissues and some carbon dioxide away from tissues.​

The pulse point behind the knee is from the _____ artery.​

What is the meaning of autoimmunity?​

The _____ sends out an electrical impulse that begins and regulates the heartbeat.​

By what means is lymph fluid pushed forward through the lymph vessels?​

Health care workers should use standard precautions when _____.

The best way to prevent tapeworms is to​

Which of the following is an example of a host in the chain of infection?​

Exposing children to multiple environmental allergens at a young age has what effect on them?

A traveling blood clot is called _____.​

A hereditary disease in which blood clots slowly or abnormally is called _____.​

Which of the following procedures requires BOTH gloves and goggles or a face shield?​

Which of the following diseases suppresses the body’s immune system?​