USMLE Review- 13

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Q- Loss of individual cells by fragmentation of nuclei and cytoplasm caused by a chemotherapeutic agent is produced through which one of the following mechanisms?

A- Acute inflammation

B- Apoptosis

C- Mitochondrial poisoning

D- Phagocytosis

B- Apoptosis- This is a process of induction of death of neoplastic cells.



Q- A newborn presents with absence of the contents of left scrotal sac. There is no other abnormality. Which of the following is the most likely diagnosis?

A- Agenesis

B- Hypopituitarism

C- Hypospadias

D- Undescended testis

D- Undescended testis- Descent of one or both testes may be delayed and this is the most common cause of otherwise normal newborn.



Q- Which one of the following medications should be taken on an empty stomach and at least one hour before meals?

A- Aspirin

B- Levothyroxine

C- Prednisone

D- Propranolol

B- Levothyroxine- The only one on the list that should be taken that way. Other drugs on the list should be taken with food.  



3 thoughts on “USMLE Review- 13”

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  3. 1st Q
    ans: apoptosis

    2nd Q
    ans:genesis

    3rd Q
    ans: levothyroxine

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