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test 1

All of the following apply to vitamin K EXCEPT:

the bone marrow requires it to synthesize hemoglobin

Bites from both wild and domesticated animals may cause:

rabies

Chemical dependency has been associated with all the following EXCEPT:

increased work productivity

Choose the correct effects of exposure of the ears to very cold temperatures

loss of sensation, vascular occlusions

Choose the typical early general signs/symptoms of anemia

pallor, dyspnea, and fatigue

Chronic alcoholism is likely to cause all EXCEPT

respiratory failure

Chronic blood loss causes anemia because of the

smaller amount of recycled iron available

A common illness for tourists in developing countries is "traveler's diarrhea," often caused by:

E. coli

During the development of hyperthermia, the stage of heat exhaustion is marked by

dizziness, fainting, and headache

During the development of hyperthermia, the state of heat exhaustion is indicated when

hypovolemia and fainting occur

Following hemolysis, which part of the hemoglobin molecule produces bilirubin?

heme

A high percentage of blast cells in the leukocyte population indicates a poor prognosis for an individual with:

acute myelogenous leukemia

In cases of polycythemia vera, blood pressure is elevated due to

increased blood volume

In individuals with acute leukemia, the increased number of malignant leukocytes leads to:

decreased hemoglobin
thrombocytopenia
splenomegaly

In individuals with pernicious anemia, antibodies form to:

intrinsic factor or parietal cells

In which blood dyscrasia does pancytopenia develop?

aplastic anemia

Inhalants can be:

a particulate such as asbestos
gaseous, such as sulfur dioxide
a solvent, such as benzene

Institutions frequently have outbreaks of infection associated with poultry products contaminated by:

Salmonella

Iron-deficiency anemia frequently results from any of the following EXCEPT

diabetes mellitus

Leukemia is sometimes linked to chromosome abnormalities, as evidenced by

the presence of Philadelphia chromosome translocation in cases of acute myelogenous leukemia (AML)

Multiple myeloma is a malignant tumor involving:

plasma cells

Multiple opportunistic infections develop with acute leukemia primarily because:

many circulating leukocytes are immature

Non-Hodgkin's lymphoma differs from Hodgkin's lymphoma in that non-Hodgkin's lymphoma usually presents as:

multiple, scattered, enlarged and painless lymph nodes

A patient who has developed a tolerance for codeine will:

require a larger dose than expected to control pain

Petechiae and purpura are common signs of:

increased bleeding tendencies

Predisposing factors to leukemia commonly include:

exposure to radiation

Radiation damage may occur from repeated exposure to

ultraviolet rays
X-rays
radioactive substances

The Reed-Sternberg cell is diagnostic for:

Hodgkin's lymphoma

Secondary polycythemia may be associated with:

severe chronic bronchitis

The term pica refers to:

the consumption of nonfood substances such as clay

Vitamin K is required by the liver to synthesize

prothrombin

What causes numbness and tingling in the fingers of individuals with untreated pernicious anemia?

vitamin B12 deficit causing peripheral nerve demyelination

What is a common indication of substance abuse?

behavioral change

What is physiologic dependence?

adaptation of the body to a drug resulting in withdrawal signs after the drug is discontinued

What is the basic abnormality in thalassemia?

There is failure to synthesize either the alpha or beta chains in the hemoglobin molecule.

What is the cause of oral ulcerations and delayed healing occurring with any severe anemia?

deficit of oxygen for epithelial cell mitosis

What is the cause of sickle-cell anemia?

a defective gene inherited from both parents

What is/are signs of hypothermia?

lethargy and confusion

What is/are the typical effect(s) of psychedelic substances?

altered perception and awareness as well as hallucinations

What term is used to describe a deficit of all types of blood cells

pancytopenia

Which of the following applies to erythropoietin?

It stimulates production of red blood cells.

Which of the following applies to the leukemias?

Chronic leukemias are more common in older people

Which of the following apply to abuse of anabolic steroids? They

often cause permanent damage to the cardiovascular system

Which of the following best describes the characteristic erythrocyte associated with pernicious anemia?

megaloblastic or macrocytic nucleated cells

Which of the following drugs causes headache and vomiting when an alcoholic ingests small amounts of alcohol?

disulfiram

Which of the following is a potential effect of a bite or sting?

anaphylaxis

Which of the following is a synthetic opioid that prevents withdrawal symptoms and improves function?

methadone

Which of the following is considered carcinogenic?

inhaled particulates

Which of the following is considered to be a compensation mechanism for individuals with anemia?

tachycardia

Which of the following is likely to result from lead poisoning?

damage to the brain and peripheral nerves

Which of the following is present with pernicious anemia

hypochlorhydria

Which of the following is typical of Hodgkin's disease?

initial tumor is single, painless, enlarged lymph node, often cervical

Which of the following statements apply to hemochromocytosis? It is:

a metabolic error leads to excess amounts of hemosiderin, causing damage to organs

Which of the following statements is characteristic of alcohol? It:

may cause congenital defects in infants born to alcoholic mothers

Which of the following substances is classified as an anticoagulant?

heparin

Which of the following types of cells are most likely to be damaged by exposure to radiation?

epithelial tissue and bone marrow

Which of the following would result from a reduced number of erythrocytes in the blood?

decreased hematocrit

Which stage of Hodgkin's lymphoma would be identified when several malignant lymph nodes are found in two regions on the same side of the diaphragm?

Stage II

Which statement applies to food poisoning?

1. It results from consuming contaminated food and water.
2. It often causes gastroenteritis, including vomiting and diarrhea.
3. Outbreaks occur frequently in institutions.

Which statement applies to the disorder hemophilia A?

Hematomas and hemarthroses are common.

Why is excessive bleeding a common occurrence with acute leukemia?

decreased platelets

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