PAX PAX Nursing Admission 4

Question 1

Which of the following is the primary function of the respiratory system?

Accepted Answer

Gas exchange

Answer

The respiratory system facilitates the exchange of oxygen and carbon dioxide between the body and the environment.

Question 2

A student scored 78, 85, 90, and 95 on four tests. What is the average score?

Accepted Answer

87

Answer

(78 + 85 + 90 + 95) ÷ 4 = 348 ÷ 4 = 87.

Question 3

Which of the following sentences uses a semicolon correctly?

Accepted Answer

He was tired; however, he continued working.

Answer

A semicolon correctly joins two independent clauses, especially with a conjunctive adverb like 'however.'

Question 4

The neurotransmitter released at the neuromuscular junction to stimulate muscle contraction is:

Accepted Answer

Acetylcholine

Answer

Acetylcholine is the neurotransmitter that triggers muscle fiber contraction at the neuromuscular junction.

Question 5

What percentage of 250 is 50?

Accepted Answer

20%

Answer

50 ÷ 250 × 100 = 20%.

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