NLN NEX EXAM ADVANCED
PREPARATION BANK QUESTIONS AND
ANSWERS
1. Which of the following cellular processes involves the movement of molecules across a cell
membrane against a concentration gradient using ATP?
A. Facilitated Diffusion
B. Osmosis
C. Simple Diffusion
D. Active Transport
Answer: D
Conceptual Explanation: Active transport is the process of moving molecules across a
cellular membrane through the use of cellular energy (ATP) to move against a
concentration gradient.
2. Choose the word that is most nearly opposite in meaning to ‘ACRIMONIOUS’.
A. Belligerent
B. Caustic
,C. Harmonious
D. Pungent
Answer: C
Conceptual Explanation: Acrimonious means angry and bitter in language or tone;
harmonious means free from disagreement or dissent, making it the opposite.
3. If a patient is prescribed a 0.5 mg dose of a medication and the tablets are available in 125
mcg strengths, how many tablets should be administered?
A. 4 tablets
B. 2 tablets
C. 6 tablets
D. 8 tablets
Answer: A
Conceptual Explanation: 0.5 mg is equal to 500 mcg. 500 mcg divided by 125 mcg per
tablet equals 4 tablets.
4. Which part of the brain is primarily responsible for regulating heart rate, breathing, and
blood pressure?
A. Cerebellum
B. Medulla Oblongata
C. Thalamus
, D. Cerebrum
Answer: B
Conceptual Explanation: The medulla oblongata, located in the brainstem, controls
autonomic functions such as breathing, heart rate, and blood pressure.
5. What is the chemical formula for the compound formed between Calcium (Ca2+) and
Phosphate (PO4 3-)?
A. CaPO4
B. Ca2(PO4)3
C. Ca3PO4
D. Ca3(PO4)2
Answer: D
Conceptual Explanation: To balance the charges of Ca2+ and PO4 3-, three Calcium ions
(+6 total) are needed for every two Phosphate ions (-6 total), resulting in Ca3(PO4)2.
6. Select the word that correctly completes the sentence: The doctor’s ____ manner put the
nervous patient at ease.
A. Abrasive
B. Solicitous
C. Indifferent
D. Aloof
PREPARATION BANK QUESTIONS AND
ANSWERS
1. Which of the following cellular processes involves the movement of molecules across a cell
membrane against a concentration gradient using ATP?
A. Facilitated Diffusion
B. Osmosis
C. Simple Diffusion
D. Active Transport
Answer: D
Conceptual Explanation: Active transport is the process of moving molecules across a
cellular membrane through the use of cellular energy (ATP) to move against a
concentration gradient.
2. Choose the word that is most nearly opposite in meaning to ‘ACRIMONIOUS’.
A. Belligerent
B. Caustic
,C. Harmonious
D. Pungent
Answer: C
Conceptual Explanation: Acrimonious means angry and bitter in language or tone;
harmonious means free from disagreement or dissent, making it the opposite.
3. If a patient is prescribed a 0.5 mg dose of a medication and the tablets are available in 125
mcg strengths, how many tablets should be administered?
A. 4 tablets
B. 2 tablets
C. 6 tablets
D. 8 tablets
Answer: A
Conceptual Explanation: 0.5 mg is equal to 500 mcg. 500 mcg divided by 125 mcg per
tablet equals 4 tablets.
4. Which part of the brain is primarily responsible for regulating heart rate, breathing, and
blood pressure?
A. Cerebellum
B. Medulla Oblongata
C. Thalamus
, D. Cerebrum
Answer: B
Conceptual Explanation: The medulla oblongata, located in the brainstem, controls
autonomic functions such as breathing, heart rate, and blood pressure.
5. What is the chemical formula for the compound formed between Calcium (Ca2+) and
Phosphate (PO4 3-)?
A. CaPO4
B. Ca2(PO4)3
C. Ca3PO4
D. Ca3(PO4)2
Answer: D
Conceptual Explanation: To balance the charges of Ca2+ and PO4 3-, three Calcium ions
(+6 total) are needed for every two Phosphate ions (-6 total), resulting in Ca3(PO4)2.
6. Select the word that correctly completes the sentence: The doctor’s ____ manner put the
nervous patient at ease.
A. Abrasive
B. Solicitous
C. Indifferent
D. Aloof
