PAX PAX (NLN) 5

Question 1

What is the median of the following data set: 4, 7, 9, 2, 6, 8, 1?

Accepted Answer

6

Answer

Arranged in order: 1, 2, 4, 6, 7, 8, 9 — the middle value (4th of 7) is 6.

Question 2

Which of the following is an example of passive immunity?

Accepted Answer

Receiving maternal antibodies through breast milk

Answer

Passive immunity involves receiving pre-made antibodies, such as those passed from mother to infant.

Question 3

Read the following: 'The results were inconclusive.' What does 'inconclusive' mean?

Accepted Answer

Not leading to a clear result

Answer

The prefix 'in-' means not, so inconclusive means not conclusive or without a clear outcome.

Question 4

What is the result of 2³ × 2²?

Accepted Answer

2^5

Answer

When multiplying powers with the same base, add the exponents: 2³ × 2² = 2^(3+2) = 2^5.

Question 5

Which of the following correctly describes mitosis?

Accepted Answer

Division producing two genetically identical daughter cells

Answer

Mitosis produces two genetically identical diploid daughter cells used for growth and repair.

PAX Exam Practice Test