Auscultation of the heart sounds will result in a lubb-dupp sound when using the bell and the diaphragm of the stethoscope. The lub part of the sound is caused by the:

opening of the AV valves

closing of the semilunar valves

closing of the AV valves

opening of the semilunar valves

Answer and Explanation

The Correct Answer is C

A. Opening of the AV valves – The AV (atrioventricular) valves open silently during diastole; they do not create the "lub" sound.

B. Closing of the semilunar valves – The closing of the semilunar valves (aortic and pulmonary) produces the "dupp" sound, not the "lub."

C. Closing of the AV valves – The first heart sound (S1), or "lub," occurs when the mitral and tricuspid (AV) valves close at the beginning of systole.

D. Opening of the semilunar valves – The semilunar valves open silently during ventricular contraction; they do not produce the "lub" sound.

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Correct Answer is D

Explanation

A. Pathology. – Pathology refers to the study of diseases rather than a condition itself.

B. Condition. – A condition refers to a general state of health but does not necessarily imply a pathological disease process.

C. Injury. – An injury is a specific physical harm or wound, whereas a disease can involve systemic or internal dysfunction.

D. Disease. – A disease is a pathological condition characterized by altered structure or function of the body, leading to signs and symptoms.

A. etiology B. focused assessment C. epidemiology D. Diagnostics

Correct Answer is A

Explanation

A. Etiology – Etiology refers to the study of the causes or origins of disease, including risk factors and contributing conditions.

B. Focused assessment – A focused assessment is a nursing evaluation targeted toward a specific complaint or condition, not the study of disease causes.

C. Epidemiology – Epidemiology is the study of disease patterns and spread within populations, rather than individual causes.

D. Diagnostics – Diagnostics refers to tests and procedures used to identify diseases, not the study of their causes.

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Auscultation of the heart sounds will result in a lubb-dupp sound when using the bell and the diaphragm of the stethoscope. The lub part of the sound is caused by the:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Any disturbance of the structure or function of the body is a pathological condition. This condition is termed a/an:

Correct Answer is D

Explanation

The study of all factors involved in the development of the disease or the cause of the disease is termed:

Correct Answer is A

Explanation

Fluid, cells or other substances that have been slowly discharged from body cells or blood vessels, through small pores or breaks in the cell membrane are called:

Free flow or withdrawal of fluids from a wound or a cavity is termed:

Discoloration of an area of the skin or mucous membranes caused by extravasation of blood into subcutaneous tissue is termed:

The patient has been found to have edema of the lower extremities. The nurse is assessing whether or not it is pitting and to what degree. After pressing the skin against a bony prominence for 5 seconds, the nurse identifies 4+ pitting edema because the rebound time is:

Redness or inflammation of the skin or mucous membranes resulting from dilation and congestion of superficial capillaries is termed:

An abnormally rapid heart rate above 100 beats per minute is called:

Short, discrete, interrupted crackling or bubbling adventitious breath sounds heard most commonly on inspiration is termed:

The patient was admitted with a complaint of abdominal pain. Later the nurse observed the patient demonstrating dyspnea. This change in condition required an assessment called: