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Test sobre Patho Quiz 1, creado por Crystal Thorn el 02/12/2014.

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Patho Quiz 1

Pregunta 1 de 50

1

An ordered photographic display of a set of chromosomes from a single cell is a

Selecciona una de las siguientes respuestas posibles:

  • Karyotype

  • no

Explicación

Pregunta 2 de 50

1

A 75-year-old male presents with chest pain with exertion. He was previously diagnosed with arteriosclerosis (narrowing and blockage of the vessels). The chest pain is most likely due to hypoxic injury secondary to

Selecciona una de las siguientes respuestas posibles:

  • Ischemia (inadequate blood supply to organ)

  • no

Explicación

Pregunta 3 de 50

1

Natriuretic hormones affect the balance of:

Selecciona una de las siguientes respuestas posibles:

  • calcium.

  • magnesium.

  • sodium.

  • potassium.

Explicación

Pregunta 4 de 50

1

How are potassium and sodium transported across plasma membranes?

Selecciona una de las siguientes respuestas posibles:

  • By diffusion

  • By coupled channels

  • By passive electrolyte channels

  • By active transport requiring ATP

Explicación

Pregunta 5 de 50

1

The role of physical activity in the prevention of colon cancer is identified by which of the following?

Selecciona una de las siguientes respuestas posibles:

  • It increases the secretion of hydrochloric acid thereby killing mutants.

  • It increases blood supply thereby increasing oxygen to the colon.

  • It increases fluid loss leading to thirst and increased fluid intake, hydrating the colon.

  • It increases gut motility thereby decreasing the time the bowel is exposed to mutagens.

Explicación

Pregunta 6 de 50

1

Which of the following compounds has been shown to increase the risk of cancer when used in combination with smoking?

Selecciona una de las siguientes respuestas posibles:

  • Hypnotics

  • Antihistamines

  • Steroids

  • Alcohol

Explicación

Pregunta 7 de 50

1

When an aide asks why carcinomas rarely occur in childhood, how should the nurse respond? (Select all that apply.)

Selecciona una de las siguientes respuestas posibles:

  • Carcinomas need a long time from exposure to occurrence.
    Carcinomas are due to environmental exposures.

  • Carcinomas cannot develop in an immunosuppressed environment.
    Carcinomas are mesodermal.
    Carcinomas occur primarily in secondary sexual organs.

Explicación

Pregunta 8 de 50

1

An athlete runs a marathon, after which his muscles feel fatigued and unable to contract. The athlete asks the nurse why this happened. How should the nurse respond? A deficiency in ________ can cause impaired muscle contraction.

Selecciona una de las siguientes respuestas posibles:

  • AMP

  • GMP

  • GTP

  • ATP

Explicación

Pregunta 9 de 50

1

The faculty member asked the student to identify the appropriate term for the movement of small, electrically uncharged molecules through a semipermeable barrier. Which answer indicates the nursing student understood the teaching?

Selecciona una de las siguientes respuestas posibles:

  • Diffusion

  • Osmosis

  • Active Transport

  • Hydrostatic Pressure

Explicación

Pregunta 10 de 50

1

A patient receives a hypertonic saline solution intravenously to replace the sodium and chloride lost in the stool. What effect will this fluid replacement have on cells? Cells will:

Selecciona una de las siguientes respuestas posibles:

  • Divide

  • Become hydrated

  • Swell or burst

  • Shrink

Explicación

Pregunta 11 de 50

1

What causes the rapid change in the resting membrane potential that initiates an action potential?

Selecciona una de las siguientes respuestas posibles:

  • Potassium gates close, allowing sodium into the cell to change the membrane potential from positive to negative.

  • Sodium gates close, allowing potassium into the cell to change the membrane potential from positive to negative.

  • Potassium gates open, and potassium rushes into the cell, changing the membrane potential from negative to positive.

  • Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive.

Explicación

Pregunta 12 de 50

1

The nurse is teaching staff about the most common cause of Down syndrome. What is the nurse describing?

Selecciona una de las siguientes respuestas posibles:

  • Paternal nondisjunction

  • Paternal translocations

  • Maternal nondisjunction

  • Maternal translocations

Explicación

Pregunta 13 de 50

1

An aide asks the nurse why people who have neurofibromatosis will show varying degrees of the disease. Which genetic principle should the nurse explain to the aide?

Selecciona una de las siguientes respuestas posibles:

  • Expressivity

  • Dominance

  • Recessiveness

  • Penetrance

Explicación

Pregunta 14 de 50

1

A child is born with blue eyes (bb). The child’s mother has blue eyes and the father has brown eyes. Which of the following represents the father?

Selecciona una de las siguientes respuestas posibles:

  • Bb

  • BB

Explicación

Pregunta 15 de 50

1

A biologist is explaining how RNA directs the synthesis of protein. Which process is the biologist describing?

Selecciona una de las siguientes respuestas posibles:

  • Transcription

  • Translation

  • Translocation

  • Termination

Explicación

Pregunta 16 de 50

1

When the nurse is teaching the staff about X-linked recessive disorders, which information should the nurse include? (Select all that apply.)

Selecciona una de las siguientes respuestas posibles:

  • The gene can be transmitted through a series of carrier females.
    The trait is never transmitted from father to son.
    The gene is passed from an affected father to all his daughters.

  • The trait is seen much more often in females than in males.
    The trait never skips generations.

Explicación

Pregunta 17 de 50

1

A 52-year-old male suffered a myocardial infarction secondary to atherosclerosis and ischemia. Once oxygen returned to the damaged heart, reperfusion injury occurred as a result of:

Selecciona una de las siguientes respuestas posibles:

  • Vacuolation

  • Lipid acceptor proteins

  • Increased metabolic state

  • Free radical formation

Explicación

Pregunta 18 de 50

1

A common pathway of irreversible cell injury involves increased intracellular:

Selecciona una de las siguientes respuestas posibles:

  • Sodium

  • Potassium

  • Calcium

  • Magnesium

Explicación

Pregunta 19 de 50

1

A 55-year-old male with a 30-year history of smoking is examined for respiratory disturbance. Examination of his airway (bronchial) reveals that stratified squamous epithelial cells have replaced the normal columnar ciliated cells. This type of cellular adaptation is called:

Selecciona una de las siguientes respuestas posibles:

  • Hyperplasia

  • Dysplasia

  • Anaplasia

  • Metaplasia

Explicación

Pregunta 20 de 50

1

A nurse is teaching the staff about antidiuretic hormone (ADH). Which information should the nurse include? Secretion of ADH is stimulated by:

Selecciona una de las siguientes respuestas posibles:

  • Generalized edema

  • Increased serum potassium

  • Increased plasma osmolality

  • Decreased renal blood flow

Explicación

Pregunta 21 de 50

1

Which statement by the staff indicates teaching was successful concerning aldosterone? Secretion of aldosterone results in:

Selecciona una de las siguientes respuestas posibles:

  • Increased serum potassium levels

  • Decreased plasma osmolality

  • Localized edema

  • Increased blood volume

Explicación

Pregunta 22 de 50

1

Which of the following patients is the most at risk for developing hypernatremia? A patient with:

Selecciona una de las siguientes respuestas posibles:

  • Vomiting

  • Dehydration

  • Hypoaldosteronism

  • Diuretic use

Explicación

Pregunta 23 de 50

1

For a patient experiencing metabolic acidosis, the body will compensate by:

Selecciona una de las siguientes respuestas posibles:

  • Hyperventilating

  • Excreting H+ through the kidneys

  • Retaining CO2 in the lungs

  • Secreting aldosterone

Explicación

Pregunta 24 de 50

1

A 54-year-old male with a long history of smoking complains of excessive tiredness, shortness of breath, and overall ill feelings. Lab results reveal decreased pH, increased CO2, and normal bicarbonate ion. These findings help to confirm the diagnosis of:

Selecciona una de las siguientes respuestas posibles:

  • Metabolic acidosis

  • Respiratory acidosis

  • Respiratory alkalosis

  • Metabolic alkalosis

Explicación

Pregunta 25 de 50

1

Water movement between the ICF and ECF compartments is determined by:

Selecciona una de las siguientes respuestas posibles:

  • Osmotic forces

  • Antidiuretic hormone

  • Plasma oncotic pressure

  • Buffer systems

Explicación

Pregunta 26 de 50

1

When planning care for a dehydrated patient, the nurse remembers the principle of water balance is closely related to _____ balance.

Selecciona una de las siguientes respuestas posibles:

  • Sodium

  • Potassium

  • Bicarbonate

  • Chloride

Explicación

Pregunta 27 de 50

1

The predominant phagocyte of early inflammation is the:

Selecciona una de las siguientes respuestas posibles:

  • Macrophage

  • Neutrophil

  • Eosinophil

  • Lymphocyte

Explicación

Pregunta 28 de 50

1

A 25-year-old female experiences a headache and takes Advil for relief. A nurse recalls Advil relieves the headache by:

Selecciona una de las siguientes respuestas posibles:

  • Decreasing prostaglandin production

  • Increasing platelet-activating factor

  • Increasing histamine release

  • Decreasing leukotriene production

Explicación

Pregunta 29 de 50

1

The nurse identified each of the following clinical manifestations of inflammation. Which would the nurse classify as a local response? (Select all that apply.)

Selecciona una de las siguientes respuestas posibles:

  • Heat
    Redness
    Swelling
    Pain

  • Fever

Explicación

Pregunta 30 de 50

1

A 10-year-old male is stung by a bee while playing in the yard. He experiences a severe allergic reaction and has to go to the ER. The nurse providing care realizes this reaction is the result of:

Selecciona una de las siguientes respuestas posibles:

  • Toxoids

  • IgM

  • IgE

  • IgA

Explicación

Pregunta 31 de 50

1

Which patient will develop active immunity? A patient who:

Selecciona una de las siguientes respuestas posibles:

  • Has T cells that become B cells

  • Receives immunoglobulin

  • Has natural exposure to an antigen or receives an immunization

  • Receives preformed antibodies or T cells from a donor

Explicación

Pregunta 32 de 50

1

When the immunoglobulin crosses the placenta, what type of immunity does the fetus receive?

Selecciona una de las siguientes respuestas posibles:

  • Active

  • Passive

  • Innate

  • Cell-mediated

Explicación

Pregunta 33 de 50

1

When a nurse cares for a patient with systemic lupus erythematosus (SLE), the nurse remembers this disease is an example of:

Selecciona una de las siguientes respuestas posibles:

  • Alloimmunity

  • Homoimmunity

  • Alleimmunity

  • Autoimmunity

Explicación

Pregunta 34 de 50

1

When a nurse notices that a patient has type O blood, the nurse realizes that anti-_____ antibodies are present in the patient’s body.

Selecciona una de las siguientes respuestas posibles:

  • B only

  • A only

  • O

  • A and B

Explicación

Pregunta 35 de 50

1

A 15-year-old male suffers from severe hemorrhage following a motor vehicle accident. He is given a blood transfusion, but shortly afterward the red blood cells are destroyed by agglutination and lysis. Which of the following blood type-transfusion type matches would cause this?

Selecciona una de las siguientes respuestas posibles:

  • A-AB

  • A-A

  • B-O

  • AB-O

Explicación

Pregunta 36 de 50

1

After studying about viruses, which information indicates the student has a good understanding of viruses? Viruses:

Selecciona una de las siguientes respuestas posibles:

  • Contain no DNA or RNA

  • Replicate their genetic material inside host cells

  • Are easily killed by antimicrobials

  • Are capable of independent reproduction

Explicación

Pregunta 37 de 50

1

What common symptom should be assessed in individuals with immunodeficiency?

Selecciona una de las siguientes respuestas posibles:

  • Autoantibody production

  • Hypersensitivity

  • Anemia

  • Recurrent infections

Explicación

Pregunta 38 de 50

1

A 10-year-old male is stung by a bee while playing in the yard. He begins itching and develops pain, swelling, redness, and respiratory difficulties. He is suffering from:

Selecciona una de las siguientes respuestas posibles:

  • Autoimmunity

  • Tissue-specific hypersensitivity

  • Anaphylaxis

  • Immunodeficiency

Explicación

Pregunta 39 de 50

1

A 45-year-old female was recently diagnosed with cervical cancer. She reports a sexual history that includes 43 partners. Which of the following is the most likely cause of her cancer?

Selecciona una de las siguientes respuestas posibles:

  • Rubella virus

  • Hepatitis B virus

  • Human papillomavirus (HPV)

  • Herpes virus

Explicación

Pregunta 40 de 50

1

A 45-year-old male presents with persistent, severe stomach pain. Testing reveals a peptic ulcer. Further laboratory tests reveal the presence of Helicobacter pylori. Which of the following is of concern for this patient?

Selecciona una de las siguientes respuestas posibles:

  • Leukemia

  • Gastric cancer

  • Adenocarcinoma of the colon

  • Lung cancer

Explicación

Pregunta 41 de 50

1

Which information indicates a nurse understands characteristics of malignant tumors?

Selecciona una de las siguientes respuestas posibles:

  • Has a high mitotic index

  • Grows slowly

  • Is well-differentiated

  • Has a well-defined capsule

Explicación

Pregunta 42 de 50

1

A 30-year-old female is diagnosed with cancer. Testing reveals that the cancer cells have spread to local lymph nodes. A nurse realizes this cancer would be documented as stage:

Selecciona una de las siguientes respuestas posibles:

  • 1

  • 4

  • 3

  • 2

Explicación

Pregunta 43 de 50

1

Which information should the nurse include when teaching about angiogenic factors? In cancer, angiogenic factors stimulate:

Selecciona una de las siguientes respuestas posibles:

  • Release of growth factors

  • Tumor regression

  • Apoptosis

  • New blood vessel growth

Explicación

Pregunta 44 de 50

1

In response to an increased workload, cardiac myocardial cells will:

Selecciona una de las siguientes respuestas posibles:

  • decrease in length.

  • increase in number.

  • increase in excitability.

  • increase in size.

Explicación

Pregunta 45 de 50

1

Effects of elevated -endorphins include:

Selecciona una de las siguientes respuestas posibles:

  • hyperglycemia.

  • pain inhibition.

  • peripheral vasoconstriction.

  • decreased immune cell activity.

Explicación

Pregunta 46 de 50

1

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance?

Selecciona una de las siguientes respuestas posibles:

  • Oxidative phosphorylation

  • Anaerobic glycolysis

  • Aerobic glycolysis

  • Electron-transport chain

Explicación

Pregunta 47 de 50

1

An epidemiological study reveals that a large population of people carry the same genetic mutation but only 75% of the people with that mutation express the disease. This finding can be described as which of the following?

Selecciona una de las siguientes respuestas posibles:

  • Hidden phenotype

  • Variable expressivity

  • Incomplete penetrance

  • Karotypic malformation

Explicación

Pregunta 48 de 50

1

A 23-year old diabetic male presents with a 3-day history of flu-like symptoms. His blood sugar is elevated and the arterial blood gas (ABG) values reveal a decreased pH, normal CO2, and decreased bicarbonate ion. The most likely diagnosis is:

Selecciona una de las siguientes respuestas posibles:

  • respiratory alkalosis.

  • metabolic alkalosis.

  • metabolic acidosis.

  • respiratory acidosis.

Explicación

Pregunta 49 de 50

1

A nurse is reviewing the pedigree chart. When checking for a proband, what is the nurse looking for?

Selecciona una de las siguientes respuestas posibles:

  • The codominance

  • The phenotype of genetic material

  • The person who is first diagnosed with a genetic disease

  • The individual who has a disease gene but is phenotypically normal

Explicación

Pregunta 50 de 50

1

A 20 year old patient asks the nurse about side effects of the flu vaccine. The nurse knows that possible side effects include:

Selecciona una de las siguientes respuestas posibles:

  • dystonia.

  • inability to ambulate in a forward direction.

  • pain at the injection site.

  • an Australian accent.

Explicación