Un Cuestionario De Electrocardiograma Questios

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| By ROBERTOCARLOS
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1.  El corazón es un órgano muscular cuya finalidad es:

Explanation

The heart is a muscular organ whose main function is to pump blood throughout the body. It does not divide or warm the blood.

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Un Cuestionario De Electrocardiograma Questios - Quiz

2.  Un electrocardiograma es:

Explanation

An electrocardiogram (ECG) is a recording of the electrical activity of the heart. It is a diagnostic tool used to evaluate the heart's rhythm and detect any abnormalities or irregularities in the electrical signals that control the heart's pumping action. By placing electrodes on the chest, arms, and legs, the ECG machine can detect and record the electrical impulses generated by the heart, providing valuable information about the heart's health and function.

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3. Las dos cámara o cavidades inferiores de mayor tamaño son las cámaras llamadas:

Explanation

The correct answer is "Ventrículo derecho e izquierdo." The question is asking for the names of the two larger lower chambers of the heart. The terms "aurícula" and "válvula" refer to the upper chambers and valves of the heart, respectively. Therefore, the correct answer is "ventrículo derecho e izquierdo," which translates to "right ventricle and left ventricle." These are the two main pumping chambers of the heart responsible for pumping blood to the lungs and the rest of the body.

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4. Las dos cámaras o cavidades superiores de menor tamaño son las cámaras receptoras, llamadas:

Explanation

The correct answer is "Aurícula derecha e izquierda." In the given question, it states that the two smaller upper chambers are the receptor chambers, and these chambers are called "Aurícula derecha e izquierda." This answer is supported by the information provided in the question.

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5. Las derivaciones estándares tienen unas combinaciones para formar el:

Explanation

The correct answer is "Triangulo de Einthoven." The explanation is that Las derivaciones estándares, which refers to the standard leads used in electrocardiography, have specific combinations to form the Triangulo de Einthoven. This is a triangle formed by the three leads: Lead I, Lead II, and Lead III. It is named after Willem Einthoven, a Dutch physician who developed the first practical electrocardiogram machine and made significant contributions to the field of electrocardiography.

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6.  Las derivaciones Precordiales son:

Explanation

The correct answer is V1, V2, V3, V4, V5, and V6. Precordial leads are a set of six electrodes placed on the chest to record the electrical activity of the heart from different angles. These leads are named V1, V2, V3, V4, V5, and V6. Each lead provides a different view of the heart's electrical activity, allowing for a more comprehensive assessment of its function.

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7. La onda P en el EKG representa la:

Explanation

The correct answer is "Despolarización auricular." The P wave in an EKG represents the depolarization of the atria, which is the electrical activation that causes the atria to contract and pump blood into the ventricles. This wave is followed by the QRS complex, which represents the depolarization of the ventricles. Therefore, the P wave specifically represents the electrical activity of the atria.

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8. Sobre el eje horizontal del papel milimetrado del EKG se mide el:

Explanation

The correct answer is that the horizontal axis of the EKG graph measures time in seconds. Each small square represents a time interval of 0.04 seconds, with a paper speed of 25mm/s.

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9. La onda T representa en el EKG:

Explanation

The T wave on an EKG represents the repolarization of the ventricles. This is the phase in the cardiac cycle where the ventricles are resetting and preparing for the next contraction. It is important to note that the T wave specifically represents the repolarization of the ventricles, not the atria.

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10.  El complejo QRS representa en el EKG:

Explanation

The QRS complex represents the depolarization of the ventricles in an EKG. Depolarization refers to the electrical activation of the heart muscle, causing it to contract. In this case, it specifically represents the depolarization of the ventricles, which are the lower chambers of the heart responsible for pumping blood to the rest of the body. This is why the correct answer is "Despolarización ventricular."

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11. El retorno de la célula cardiaca estimulada a su estado de reposo se llama:

Explanation

Repolarization refers to the process in which the stimulated cardiac cell returns to its resting state after depolarization. During depolarization, the cell's membrane potential becomes more positive, and repolarization restores the original negative charge. This is an essential step in the cardiac cycle as it allows the heart to reset and prepare for the next contraction. Despolarización, on the other hand, is not the correct answer as it refers to the initial depolarization phase. Sístole is also incorrect as it refers to the contraction of the heart muscle, not the return to the resting state.

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12. El sistema de conducción consta del:

Explanation

The correct answer is "Nodo SA, Vías Internodales, Nodo AV, Has de Hiz, Ramas y Fibras de Purkinje." This answer lists the components of the conduction system in the correct order. The conduction system of the heart starts with the sinoatrial (SA) node, which generates electrical impulses. These impulses then travel through the internodal pathways (vías internodales) to the atrioventricular (AV) node. From the AV node, the impulses pass through the bundle of His (Has de Hiz), which divides into the left and right bundle branches (ramas). Finally, the impulses spread through the Purkinje fibers (fibras de Purkinje) to stimulate the contraction of the ventricles.

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13. El impulso eléctrico que causa este estado de excitación y este cambio de polaridad se llama:

Explanation

La despolarización es el impulso eléctrico que causa el estado de excitación y el cambio de polaridad en las células cardiacas. Durante este proceso, los canales de sodio se abren, permitiendo que el sodio entre a la célula y cambie la carga eléctrica. Esto provoca la contracción del músculo cardíaco y el inicio del latido del corazón. La repolarización, por otro lado, es el proceso en el que la célula recupera su polaridad original después de la despolarización. La diástole, por su parte, se refiere al periodo de relajación del corazón entre los latidos.

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14. Existen tres tipos de derivaciones  estas son:

Explanation

Las tres derivaciones mencionadas en la respuesta son estándares, aumentadas y precordiales. Estas son diferentes tipos de derivaciones utilizadas en electrocardiografía para registrar la actividad eléctrica del corazón desde diferentes ángulos y posiciones en el cuerpo. Las derivaciones estándares son las más comunes y se colocan en diferentes extremidades del cuerpo. Las derivaciones aumentadas se colocan en puntos específicos del cuerpo para amplificar la señal eléctrica. Las derivaciones precordiales se colocan en el área del pecho para registrar la actividad eléctrica desde diferentes posiciones en el corazón.

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15. Sobre el eje vertical del papel milimetrado del EKG se mide el:

Explanation

The correct answer is "voltaje o altura en milímetros (mm). Cada cuadrado pequeño tiene 1mm de alto." This means that the vertical axis of the EKG paper is used to measure the voltage or height in millimeters. Each small square on the paper represents 1mm in height. This information helps in interpreting the electrical activity of the heart recorded on the EKG paper.

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16.  Las derivaciones estándares en el EKG son:

Explanation

The correct answer is "Derivaciones I, II y III." This is because the standard leads in an EKG include lead I, which records the electrical activity between the right arm and left arm; lead II, which records the electrical activity between the right arm and left leg; and lead III, which records the electrical activity between the left arm and left leg. These leads provide important information about the electrical conduction of the heart and are commonly used in EKG interpretation.

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17. Las derivaciones aumentadas son diferentes combinaciones pero iguales que:

Explanation

Las derivaciones aumentadas son diferentes combinaciones de los mismos electrodos utilizados en las derivaciones estándares, pero colocados en diferentes posiciones en el cuerpo. Por lo tanto, las derivaciones aumentadas son similares a las derivaciones estándares, pero con una colocación de electrodos ligeramente diferente.

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 El corazón es un órgano muscular cuya finalidad...
 Un electrocardiograma es:
Las dos cámara o cavidades inferiores de mayor tamaño...
Las dos cámaras o cavidades superiores de menor tamaño...
Las derivaciones estándares tienen unas combinaciones para...
 Las derivaciones Precordiales son:
La onda P en el EKG representa la:
Sobre el eje horizontal del papel milimetrado del EKG se mide el:
La onda T representa en el EKG:
 El complejo QRS representa en el EKG:
El retorno de la célula cardiaca estimulada a su estado de...
El sistema de conducción consta del:
El impulso eléctrico que causa este estado de excitación...
Existen tres tipos de derivaciones  estas son:
Sobre el eje vertical del papel milimetrado del EKG se mide el:
 Las derivaciones estándares en el EKG son:
Las derivaciones aumentadas son diferentes combinaciones pero iguales...
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