1|Page
Nurse 612-Exam 1 Unit 1, 2,
3|Comprehensive Q&A For Certification
Success 2026
The Krebs cycle provides a common pathway for the metabolism of nutrients by
the body. The Krebs cycle forms two pyruvate molecules. Each of the two
pyruvate molecules formed in the cytoplasm from one molecule of glucose yields
another molecule of what?
A) H2O
B) NADH+ H+
C) ATP
D) FAD - correct-answer-C
A school nurse is teaching a class on immunity. Which statement contains an
accurate explanation about cellular defenses?
A) Ion channels allow rapid polarity changes, which inactivate invading organisms
,2|Page
B) Cells release enzymes into the extracellular fluid that degrade invading
organisms
C) Neutrophils engulf invading organisms where lysosomes break them down
D) Active transport draws invading organisms through cell channels to be
destroyed - correct-answer-C
The cells of the client's epithelial tissue are tightly bound together by specialized
junctions. Select the junctions primarily responsible for preventing cell separation
A) Occluding junctions
B) Continuous tight junctions
C) Nexus junctions
D) Adhering junctions - correct-answer-D
The nurse is aware of the importance of potassium and sodium for normal
physiologic functions of a client. The rapid movement of potassium and sodium in
actions is known as:
A) Primary active transport
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B) Endocytosis
C) Exocytosis
D) Vesicular transport - correct-answer-A
Select the main function of nervous tissue
A) Communication
B) Contractility
C) Support
D) Connecting body structure - correct-answer-A
Which statement accurately explains function of cellular components?
A) Microfilaments help conduct electrical signals between cells
B) Mitochondria make energy for the cells to use
C) Plasma membranes are impermeable
D) Microtubules aid intracellular transport - correct-answer-D
, 4|Page
Which of the following cellular organelles transforms organic compounds into
energy that is easily accessible to the cell?
A) Golgi complex
B) Ribosomes
C) Lysosomes
D) Mitochondria - correct-answer-D
The nurse monitors the client's oxygen levels and respiratory status. The nurse is
aware that oxygen is necessary for:
A) Lactic acid formation
B) Aerobic metabolism
C) Anaerobic metabolism
D) Glycolytic pathway - correct-answer-B
Select the organelle that is responsible for the breakdown of excess and worn-out
cell parts as well as foreign substances that are taken into the cell
A) Lysosomes
Nurse 612-Exam 1 Unit 1, 2,
3|Comprehensive Q&A For Certification
Success 2026
The Krebs cycle provides a common pathway for the metabolism of nutrients by
the body. The Krebs cycle forms two pyruvate molecules. Each of the two
pyruvate molecules formed in the cytoplasm from one molecule of glucose yields
another molecule of what?
A) H2O
B) NADH+ H+
C) ATP
D) FAD - correct-answer-C
A school nurse is teaching a class on immunity. Which statement contains an
accurate explanation about cellular defenses?
A) Ion channels allow rapid polarity changes, which inactivate invading organisms
,2|Page
B) Cells release enzymes into the extracellular fluid that degrade invading
organisms
C) Neutrophils engulf invading organisms where lysosomes break them down
D) Active transport draws invading organisms through cell channels to be
destroyed - correct-answer-C
The cells of the client's epithelial tissue are tightly bound together by specialized
junctions. Select the junctions primarily responsible for preventing cell separation
A) Occluding junctions
B) Continuous tight junctions
C) Nexus junctions
D) Adhering junctions - correct-answer-D
The nurse is aware of the importance of potassium and sodium for normal
physiologic functions of a client. The rapid movement of potassium and sodium in
actions is known as:
A) Primary active transport
,3|Page
B) Endocytosis
C) Exocytosis
D) Vesicular transport - correct-answer-A
Select the main function of nervous tissue
A) Communication
B) Contractility
C) Support
D) Connecting body structure - correct-answer-A
Which statement accurately explains function of cellular components?
A) Microfilaments help conduct electrical signals between cells
B) Mitochondria make energy for the cells to use
C) Plasma membranes are impermeable
D) Microtubules aid intracellular transport - correct-answer-D
, 4|Page
Which of the following cellular organelles transforms organic compounds into
energy that is easily accessible to the cell?
A) Golgi complex
B) Ribosomes
C) Lysosomes
D) Mitochondria - correct-answer-D
The nurse monitors the client's oxygen levels and respiratory status. The nurse is
aware that oxygen is necessary for:
A) Lactic acid formation
B) Aerobic metabolism
C) Anaerobic metabolism
D) Glycolytic pathway - correct-answer-B
Select the organelle that is responsible for the breakdown of excess and worn-out
cell parts as well as foreign substances that are taken into the cell
A) Lysosomes
