Which component forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process?

Serotonin.

Platelet factor III.

Von Willebrand factor.

Adenosine diphosphate.

Answer and Explanation

The Correct Answer is C

Choice A rationale:

Serotonin is a neurotransmitter that plays a role in mood regulation, sleep, and other functions in the body. It is not a component that forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process.

Choice B rationale:

Platelet factor III is not a component that forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process. Platelet factor III is not widely recognized in the context of clotting; it is more commonly referred to as tissue factor and is involved in the extrinsic pathway of coagulation.

Choice C rationale:

Von Willebrand factor (VWF) is a protein that plays a crucial role in hemostasis. It forms an adhesive bridge between platelets and vascular subendothelial structures, particularly at sites of vascular injury. VWF helps platelets adhere to the injured vessel wall, leading to the formation of a stable blood clot. This process is essential for preventing excessive bleeding. A deficiency or dysfunction in VWF can lead to von Willebrand disease, a bleeding disorder characterized by prolonged bleeding times.

Choice D rationale:

Adenosine diphosphate (ADP) is a molecule released by platelets when they are activated. ADP helps in the aggregation of platelets, but it does not directly form an adhesive bridge between platelets and vascular subendothelial structures.

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Correct Answer is B

Explanation

Choice A rationale:
Skeletal pain is not a typical finding in stage I Hodgkin lymphoma. Hodgkin lymphoma typically presents with painless enlarged lymph nodes, which is a hallmark symptom of the disease.
Choice B rationale:
Enlarged lymph nodes are a characteristic feature of Hodgkin lymphoma. In stage I, the disease is localized to one group of lymph nodes.
Choice C rationale:
T-cell blasts in the lymph node are not specific to Hodgkin lymphoma. Hodgkin lymphoma is characterized by the presence of Reed-Sternberg cells, which are large abnormal B cells, not T-cell blasts.
Choice D rationale:
Lymphoblasts in the cerebrospinal fluid are not associated with Hodgkin lymphoma. Involvement of the central nervous system is rare in Hodgkin lymphoma and typically does not lead to the presence of lymphoblasts in the cerebrospinal fluid.

A. The patient has neutropenia. B. The patient has polycythemia. C. The patient has pernicious anemia. D. The patient has elevated estrogen levels.

Correct Answer is C

Explanation

Choice A rationale:

Neutropenia is a condition characterized by a low number of neutrophils, a type of white blood cell. Neutropenic patients are at increased risk of infections, but neutropenia does not cause specific changes in the tongue surface. The smooth and shiny tongue surface described in the question is not indicative of neutropenia.

Choice B rationale:

Polycythemia is a condition characterized by an abnormally high concentration of hemoglobin in the blood. It can cause the skin to appear reddish or flushed, but it does not directly cause changes in the tongue surface such as smoothness and shininess.

Choice C rationale:

Pernicious anemia is a type of anemia caused by a deficiency of vitamin B12, which is essential for the formation of red blood cells and the maintenance of the nervous system. One of the characteristic signs of pernicious anemia is glossitis, which is inflammation of the tongue that can make the tongue appear smooth and shiny. This finding aligns with the description provided in the question.

Choice D rationale:

Elevated estrogen levels can cause changes in the skin, such as increased pigmentation or the development of spider veins, but they do not directly cause changes in the tongue surface as described in the question.

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Which component forms an adhesive bridge between platelets and vascular subendothelial structures in the clotting process?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which finding will the nurse expect in a patient who is hospitalized with stage I Hodgkin lymphoma?

Correct Answer is B

Explanation

The nurse notes that a patient has a smooth and shiny tongue surface.The nurse would attribute these findings to which condition?

Correct Answer is C

Explanation

Which arterial blood gas (ABG) data corresponds with a patient's clinical manifestations of respiratory alkalosis?

The nurse receives a health care provider's prescription to change a patient's IV from D5. half-normal saline with 40 mEq KCl/L to DSNS with 20 mEq KCl/L. Which set of serum laboratory values supports the rationale for this IV prescription change?

The nurse suspects that which condition associated with chronic heart failure is the cause of a patient's inability to sleep well due to frequent urination?

Which explanation will the nurse give a patient with non-Hodgkin lymphoma about the purpose of a planned lumbar puncture?

A patient who smokes reports chest pain while at rest.Which condition would the nurse suspect the patient is experiencing?

The nurse provides education regarding daily activities to a patient with thrombocytopenia.Which activity identified by the patient indicates understanding of the teaching?

A healthy 70-year-old patient has low hemoglobin levels and no signs of gastrointestinal bleeding.The nurse recognizes which item is an effect of aging that could be the reason for the low hemoglobin level?