4. If J is unloaded on Monday, which of the following must be true?
(A) L is unloaded before K.
(B) L is unloaded before M.
(C) K is unloaded on Tuesday.
(D) L is unloaded on Thursday.
(E) N is unloaded on Thursday.
5. N can be unloaded any day of the week EXCEPT
(A) Monday (B) Tuesday
(C) Wednesday (D) Thursday
(E) Friday
6. On which of the following days can any one of the five ships be unloaded?
(A) Monday (B) Tuesday
(C) Wednesday (D) Thursday
(E) Friday
7. Infection is the biggest threat to the life of a burn patient. The skin, the body's natural arrier against bacteria, is damaged or gone in the burned areas. The bacteria that are a threat are unpredictable in both variety and number. Moreover, those found affecting any one patient may change completely from one day to the next. The standard treatment, therefore, is the administration of broad-spectrum antibiotics.
Considering only the information given about burn patient in the passage above, which of the follow- ing is most likely to enhance the effectiveness of the standard treatment of a burn patient?
(A) Keeping the patient in an air-conditioned room until recovery is assured
(B) Keeping the areas affected by burns as dry as possible
(C) Continuously monitoring the patient's vital signs with electronic equipment