Question 1
Two fair dice are rolled. What is the probability that the sum is 7?
Correct Answer:
1/6
Explanation:
To get a sum of seven when rolling two fair dice, count favorable outcomes over total outcomes. There are 36 equally likely results from two dice. The pairs that sum to seven are exactly six: (1,6), (2,5), (3,4), (4,3), (5,2), and (6,1). So the probability is 6/36, which reduces to 1/6. The other numbers would imply different counts of favorable pairs—for example, five favorable pairs would give 5/36, twelve would give 1/3, and four would give 1/9—so they don’t match the actual six ways to total seven.
Question 2
If a child or infant rescue breath does not go in, what should you do first?
Correct Answer:
Re-position the head and breathe again
Explanation:
Opening the airway is the first thing to do when a rescue breath doesn’t go in. The air may not enter because the airway is blocked or the head and neck aren’t positioned to keep the airway open. Re-position the head and chin to open the airway, then try the breath again. For infants, use a neutral head position with a gentle chin lift and make a good seal around the mouth and nose. After re-positioning, give the breath again for about one second and watch for the chest to rise. If it still doesn’t go in, check for any visible obstruction and remove it if possible, then attempt again. If breaths continue to fail, proceed with the next CPR steps as instructed.
Question 3
CARE is used for...
Correct Answer:
UMNR
Explanation:
CARE is a program designed to support unaccompanied minors through travel, providing dedicated supervision and smooth handoff from departure to arrival. It covers steps like check-in assistance, escorting the child through the airport, and ensuring the minor is handed to a designated guardian at the destination. This focus on safeguarding a traveler who must fly alone is why it’s used specifically for unaccompanied minors. Infants typically travel with a parent or guardian and follow infant-specific policies, crew refers to airline staff, and VIP services handle priority treatment for high-profile passengers—none of these are the CARE program.
Question 4
When can flight attendants get out of the jumpseat during taxi, takeoff, and landing?
Correct Answer:
Only when seated in the jumpseat.
Explanation:
The key idea is that during taxi, takeoff, and landing flight attendants must stay in their jumpseat with their seat belts fastened. These are the most critical moments for safety, so staying anchored in the jumpseat ensures they’re in position to respond immediately if needed and keeps the cabin orderly. The choice that matches this idea says they exit only from the jumpseat—in other words, they don’t roam the cabin during these phases and only move from the jumpseat when they’re cleared or required to perform a safety task. In practice, leaving the jumpseat is restricted and not something done casually during taxi, takeoff, or landing.
Question 5
What is the FAA minimum crew for the B737-700?
Correct Answer:
3
Explanation:
The key idea is how FAA rules define minimum crew for passenger airplanes: you need a two-person flight deck (Captain and First Officer) plus enough cabin attendants to handle the passengers. For the Boeing 737-700, the smallest crew that meets these requirements is two in the cockpit and at least one flight attendant in the cabin, totaling three people on board. This is the minimum to safely operate and service passengers on a typical flight, with more cabin attendants required only for configurations with higher seating. So three is the lowest number that satisfies both cockpit and cabin crew requirements. The other options either omit the necessary cockpit crew or add extra crew beyond the minimum.
Question 1
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Prepare with the United Knowledge Validation Practice Test practice quiz. This question bank includes 10 questions covering growth, many, fair, united, and knowledge. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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United Knowledge Validation Practice Test

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