Immune System

Any substance or lifestyle behavior that causes to the conversation of a healthy cells into a cancerous one is known as a tumor a carcinogen a growth factor regulatory genes a growth inhibitor

A carcinogen

Any substance that produces an inappropriate response of the immune system is referred to as a(an) Allergen Antibody Plasma cell Allergy Perforin

Allergen

All of the following represent physical and/or chemical barriers that form the body's first time of defense against pathogens EXCEPT which one? Tears Mucus Skin surface Earwax Antibodies

Antibodies

Which one of the following provides the central nervous system with information about the outside environment? Moto division Sympathetic division Parasympathetic division Sensory division Autonomic division

Autonomic Division

Which type of cells are responsible for producing and releasing antibodies Red bone marrow B lymphocytes T lymphocytes Macrophages Natural Killer cells

B lymphocytes

Antibiotics are most likely to be effective in the treatment of infections cause by Bacteria Viruses Parasitic worms Lice and ticks Prions

Bacteria

Which one of the following is NOT directly involved in the production of a typical spinal reflex? Brain Sensory neuron Motor neuron Interneuron Stimulus

Brain

The central nervous system is composed of which of the following? Brain and spinal cord Autonomic nervous system and brain Somatic divisiona nd autonomic division Sensory division and mortor division Somatic division and motor division

Brain and spinal cord

Which of the following is associated with the specific defenses of the body? Cell to cell combat or cell mediated immunity Phagocytosis Interferons The inflammatory response Fever

Cell to cell combat or cell mediated immunity

The left and right sides of the cerebrum are interconnected by which of the following? Pons Medulla oblongata Corpus callosum Thaiamus Cerbral cortex

Corpus callosum

Using the ABCD rule for diagnosing a melanoma associated with the skin, the "D" refers to A. Darkness of the spot or region of the skin B. Degree of irregulatory of the spot from a circle C. Diameter of the spot D. Density or thickness of the melanoma E. "Damage" or the extent that the skin cells have lost normal function

Diameter of the spot

The best way to reduce bacterial pathogens in the blood stream is to reduce a fever as quickly as possible. True False

False

When a cancer remains in one location, it is referred to as Benign Dysplasia In situ cancer Hyperplasia Metastasis

In situ cancer

Cancers that mestasize and invade normal tissues to impede their functions are called Benign tumors Keratosis Malignant tumors In situ cancer Neoplasm

Malignant Tumors

Which one of the following cells transmit impulses away from the central nervous system to the muscles and other organs? Motor neurons Intermeurons Sensory neurons Neurogile Dendrites

Motor Neurons

Which one of the following divisions of the nervous system predominates during hte relaxed state? Sensory divsion Sympathetic division Somatic division Parasympathetic division Endocrine division

Parasympathetic Division

Which one of the following diseases is caused by a virus and the bite of an infected animal? Rabies Lyme disease Syphilis Toxic Shock Syndrome Tuberculosis

Rabies

Which of the following body fluids does not transmit HIV from human to human? Blood Semen Saliva Vaginal fluid Breast Milk

Saliva

Which division of the nervous system would most likely be activated during a life threatening situation? Peripheral Sensory Motor Parasympathetic Sympathetic

Sympathetic

Which one of the following types of T cells is a critical component of the immune system because it stimulates and enhances the activity of other components of the immune system? T suppressor cell T memory cell T helper cell Cytotoxic cell Natural killer cells

T helper cell

Which one of the following best explains why people get so many colds in their lifetime? A. The immune system has a hard time identifying the viruses that cause the colds. B. The viruses that cause these colds constantly produce new antibodies, which causes the symptoms. C. These individuals do not produce enough white blood cells. D. The viruses that cause colds evolve rapidly, which results in a change in their antigenic structure. E. The B cells of these individuals destroy their T cells.

The viruses that cause colds evolve rapidly, which results in a change in their antigenic structure

Which of the following activities would be facilitated by the sympathetic nervous system? Increased digestion and absorption Decreased respiratory rate Increased blood pressure Decreased heart rate Increased bladder contraction

Increased blood pressure

The development of a cancerous condition in immature white blood cells located in bone marrow is called Leukemia Hyperplasia Lymphoma Hypoplasia Dyspiasie

Leukemia

The figure above illustrates antibody titers produced during a primary and secondary immune response. All of the following statements about the primary and secondary immune response are correct EXCEPT which one? A. Antibody is produced at a much higher rate during the secondary immune response. B. The antibody level produced in the secondary response is fifty times greater than that produced during the primary immune response. C. There is a lag time between antigen exposure and antibody production in the primary immune response that is not seen in the secondary immune response. D. The difference between the two responses is due to the presence of memory cells during the secondary response. E. Antibody levels stay elevated for a longer time following a secondary response.

The antibody level produced in the secondary response is fifty times greater than that produced during the primary immune response

Which one of the following statements is TRUE regarding chemotherapy? A. This technique is used in the diagnosis of cancer. B. This procedure kills cancer cells and normal cells that divide rapidly. C. This is the selected technique in the treatment of cancer because there are no side effects. D. This is a procedure used to genetically engineer an indivisual so cancer will not develop. E. Most chemicals used in this procedure affect only one organ of the body.

The procedure kills cancer cells and normal cells that divide rapidly

Diet, including what is and what is not cnosumed, is believed to play a major role in determining whether or not an individual develops cancer True False

True