What does the word catastrophic most likely mean in the sentence, “The Great Fire of London… was a catastrophic event that devastated much of the city”?

In the sentence, “Fire engines were small and rudimentary, requiring teams of men to pump water by hand,” what does rudimentary most likely mean?

The following sentence has a blank indicating that something has been left out. Beneath the sentence are six words or phrases. Choose the word or phrase that, when inserted in the sentence, best fits the meaning of the sentence as a whole.  The narrator of the novel is ________, knowing everything about the characters, including their thoughts and hidden motives.  

The following sentence has a blank indicating that something has been left out. Beneath the sentence are six words or phrases. Choose the word or phrase that, when inserted in the sentence, best fits the meaning of the sentence as a whole.  After the new evidence emerged, the detective ________ the case to ensure nothing had been overlooked.

As used in paragraph 8, analogous most nearly means

A patient presents with an MCV:  77 fl and the RBCs appear slightly hypochromic, microcytic,  while the platelets are normal in size and number. Other tests include:Serum iron is decreasedTIBC is increasedSerum ferritin is decreasedThese findings are compatible with which disorder below?

A 21 year old presented with nausea, vomiting, and jaundice. Lab results are below: Laboratory Data Test Patient Value Reference Value Total bilirubin 8.5 mg/dL 0-1.0 mg/dL Conjugated bilirubin 6.1 mg/dL 0-0.5 mg/dL Urine urobilinogen increased   Urine bilirubin present   ALP 170 U/L 0-150 U/L AST 300 U/L 0-50 U/L               The results can best be explained as representing:

Which Hb A1c value is consistant with an average blood glucose of 99 mg/dL?

A serum sample drawn in the emergency room from a 42 year old yeilds the following results:Total CK 1850 U/LCKMB 6 U/LAST 513 U/LLD 2960 U/LThe results are consistent with:

How many ml of a 2000 mg/dL glucose stock solution is needed to prepared 100 mL of a 150 mg/dL glucose working standard?