PAX PAX Nursing Admission 4 — Questions and Answers
Question 1: Which of the following is the primary function of the respiratory system?
- Nutrient absorption
- Hormone regulation
- Gas exchange (Correct answer)
- Waste filtration
Correct answer: Gas exchange
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?
- 86
- 87 (Correct answer)
- 88
- 89
Correct answer: 87
(78 + 85 + 90 + 95) ÷ 4 = 348 ÷ 4 = 87.
Question 3: Which of the following sentences uses a semicolon correctly?
- She studied hard; but failed the exam.
- He was tired; however, he continued working. (Correct answer)
- I like apples; and oranges.
- They left early; to catch the bus.
Correct answer: He was tired; however, he continued working.
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:
- Dopamine
- Serotonin
- Acetylcholine (Correct answer)
- Norepinephrine
Correct answer: Acetylcholine
Acetylcholine is the neurotransmitter that triggers muscle fiber contraction at the neuromuscular junction.
Question 5: What percentage of 250 is 50?
- 10%
- 15%
- 20% (Correct answer)
- 25%
Correct answer: 20%
50 ÷ 250 × 100 = 20%.
Question 6: Which layer of the skin contains blood vessels and sweat glands?
- Epidermis
- Dermis (Correct answer)
- Hypodermis
- Stratum corneum
Correct answer: Dermis
The dermis contains blood vessels, nerves, sweat glands, and hair follicles.
Question 7: In reading comprehension, an 'inference' is best defined as:
- A direct quote from the text
- A conclusion drawn from evidence not explicitly stated (Correct answer)
- A summary of the main idea
- A definition of a vocabulary word
Correct answer: A conclusion drawn from evidence not explicitly stated
An inference requires the reader to use textual clues and prior knowledge to reach an unstated conclusion.
PAX PAX Nursing Admission 4
Which of the following is the primary function of the respiratory system?