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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the main symptom of heart failure? |
A. | Lung congestion |
B. | Vomiting |
C. | Yellowing of eyes |
D. | Pain in the chest |
Answer» B. Vomiting | |
2. |
What is meant by AV block? |
A. | Impulse not reaching SA node |
B. | Impulse not reaching the AV node |
C. | Impulse not reaching Purkinje fibers |
D. | Impulse not generating in the heart |
Answer» C. Impulse not reaching Purkinje fibers | |
3. |
What is meant by iso-volumetric systole? |
A. | The time duration between the closing and opening of AV valves |
B. | The time duration between the closing and opening of semilunar valves |
C. | The time duration between the closing of AV valves and opening of semilunar valves |
D. | The time duration between the closing of semilunar valves and the opening of AV valves |
Answer» D. The time duration between the closing of semilunar valves and the opening of AV valves | |
4. |
Angina pectoris is a symptom of myocardial infarction. |
A. | True |
B. | False |
Answer» B. False | |
5. |
Which of the following muscles have the longest refractive period? |
A. | Skeletal muscles |
B. | Smooth muscles |
C. | Cardiac muscles |
D. | Facial muscles |
Answer» D. Facial muscles | |
6. |
What does the depression of ST-segment depict? |
A. | Ischemia |
B. | Hypokalemia |
C. | Myocardial infarction |
D. | Acute heart attack |
Answer» B. Hypokalemia | |
7. |
Which of the following represents the enlargement of auricles? |
A. | Enlargement of P-wave |
B. | Enlargement of QR segment |
C. | Depression of ST segment |
D. | Elevation of ST segment |
Answer» B. Enlargement of QR segment | |
8. |
By counting the number of which of the following waves, the heartbeat of a person can be determined? |
A. | P-wave |
B. | QRS complex |
C. | ST-segment |
D. | PQ interval |
Answer» C. ST-segment | |
9. |
The end of the T-wave marks the end of the systole. |
A. | True |
B. | False |
Answer» B. False | |
10. |
Which of the following represents the depolarisation of the ventricles? |
A. | P-wave |
B. | T-wave |
C. | QRS complex |
D. | PQ interval |
Answer» D. PQ interval | |
11. |
Which of the following waves represent the excitation of the atria? |
A. | P-wave |
B. | QRS complex |
C. | T-wave |
D. | ST-segment |
Answer» B. QRS complex | |
12. |
Which of the following letters is marked incorrectly in the given diagram? |
A. | P & R |
B. | Q & T |
C. | T & S |
D. | T-wave |
Answer» B. Q & T | |
13. |
To measure ECG, usually how many electrodes are connected to a patient? |
A. | One |
B. | Two |
C. | Three |
D. | Four |
Answer» D. Four | |
14. |
What is the full form of ECG? |
A. | Electricity cardiac group |
B. | Electrocardio group |
C. | Electrocardium granules |
D. | Electrocardiogram |
Answer» E. | |