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Question 1 of 20
1. Question
The lysosome contains the following bactericidal agents, except:
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Question 2 of 20
2. Question
What is/are the BEST index/indices of left ventricular preload?
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Question 3 of 20
3. Question
Premature ventricular contractions (PVCs) causes the following ECG changes, EXCEPT:
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Question 4 of 20
4. Question
The principle that in the spinal cord the dorsal roots are sensory and the ventral roots are motor is known as the:
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Question 5 of 20
5. Question
The basic rhythm of respiration is generated mainly in:
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Question 6 of 20
6. Question
A normal 25-year-old man has a respiratory rate of 14 breaths per minute. What is his alveolar ventilation?
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Question 7 of 20
7. Question
Which of the following statements is TRUE regarding voltagegated sodium ion channels?
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Question 8 of 20
8. Question
The triggering mechanism for the genesis of REM sleep depends on neurons that release:
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Question 9 of 20
9. Question
BB, 35-year-old male office worker on his pre- employment checkup, showed marked enlargement of bone of the extremities and significant coarsening of his facial feature. His jaw was likewise enlarged and protruding. This condition is most commonly associated with a tumor located in:
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Question 10 of 20
10. Question
What will be the result of prolonged diastole?
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Question 11 of 20
11. Question
The sympathetic nervous system modulates the output of the pacemaker cells of the heart by:
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Question 12 of 20
12. Question
The hormone secreted mainly by the corpus luteum is:
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Question 13 of 20
13. Question
Following massive hemorrhage during delivery, a 29-year-old female was unable to breastfed due to absence of milk secretion. Which of the following is most likely to be associated with this clinical picture?
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Question 14 of 20
14. Question
Which of the following is/are one of the principal means by which acclimatization to high altitudes come about?
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Question 15 of 20
15. Question
The deficiency of what trace element is associated with skin lesions, weakened immune system, and hypogonadal dwarfism?
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Question 16 of 20
16. Question
In the sarcomere, which of the following keep/s the myosin and actin in place?
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Question 17 of 20
17. Question
DM, 45-year-old female, went to you as her physician complaining of weight gain, even though her diet was controlled. Upon physical examination, you found out that she has elevated blood pressure, purple striae on the trunk, growth of fat pads along the collar bone and hirsutism. Laboratory revealed elevated blood sodium levels and low blood potassium levels. Increased production of which hormone would explain her symptoms?
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Question 18 of 20
18. Question
A newborn male was held at the NICU because he did not pass out meconium after 48 hours of life. Plain abdominal radiographs showed distended bowel loops with a paucity of air in the rectum. Absence of which of the following is/are expected to be seen in the biopsy of the affected segment?
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Question 19 of 20
19. Question
Which of the following is primarily utilized by an athlete during the first 8-10 seconds of a 100-meter run?
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Question 20 of 20
20. Question
The concentrating mechanism of the nephron depends upon the maintenance of a gradient of increasing osmolality along the medullary pyramids. Which of the following is/are true regarding the production of this gradient?
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