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NSG 3100 Exam 3
Complete Practice
Question Bank
NCLEX-Style Practice Questions with Rationales
Topic Focus: Fundamental Concepts — Diagnostic Procedures, Elimination, &
Medication Administration
Edition 1 · July 2026 · 117 Questions
Table of Contents
1. Instructions for Use 2
2. Practice Questions with Answers & Rationales — NSG 3100 Exam 3 2
NSG 3100 · Galen College of Nursing Page 1
,NSG 3100 EXAM 3 PRACTICE GUIDE INSTRUCTIONS & PRACTICE QUESTIONS
How to Use This Guide
Read each stem, choose your answer, then check the rationale directly below it. The correct
option is marked, and each wrong option is explained so you understand why it's wrong — not
just that it is. Items marked NEEDS RATIONALE had limited source detail; treat those as flags
for independent review.
Category: Fundamental Concepts — Diagnostic Procedures, Elimination, &
Medication Administration
1 When obtaining a capillary blood specimen to measure blood glucose, which
action should the nurse take?
A Ensure there is good blood flow at the puncture site
B Use the first drop of blood for testing
C Puncture the center of the finger pad
D Apply pressure immediately after puncture
CORRECT ANSWER: A
Rationale:
Ensuring good blood flow at the puncture site is essential for obtaining an adequate capillary
blood specimen. The first drop should be wiped away, and the puncture should be on the side
of the finger pad.
Tested Concept: Capillary blood glucose — ensure good blood flow
,2 When testing for fecal occult blood, which statement is true regarding color
interpretation?
A A green color indicates a guaiac positive result
B A green color does NOT indicate a guaiac positive result
C A blue color indicates a negative result
D Color is not relevant to the test interpretation
CORRECT ANSWER: B
Rationale:
A green color does NOT indicate a guaiac positive result. A blue color indicates a positive result,
while green is not a valid indicator.
Tested Concept: Fecal occult blood — color interpretation
3 An RN instructing a female patient on obtaining a clean catch urine specimen
should stress which action?
A Collect the first urine of the morning
B Void a small amount of urine before collecting the specimen
C Collect the entire urine stream
D Use the urine from the end of the stream
CORRECT ANSWER: B
Rationale:
Voiding a small amount of urine before collecting the specimen helps flush contaminants from
the urethra, ensuring a clean catch sample.
Tested Concept: Clean catch urine — void first
, 4 The client has an indwelling catheter. The nurse should obtain a sterile urine
specimen by:
A Emptying the drainage bag
B Using a syringe to withdraw urine from the catheter tubing port
C Disconnecting the catheter from the drainage tube
D Using the urine from the drainage bag
CORRECT ANSWER: B
Rationale:
A sterile urine specimen from an indwelling catheter should be obtained using a syringe to
withdraw urine from the catheter tubing port. This maintains the closed system and prevents
contamination.
Tested Concept: Indwelling catheter urine specimen
5 An x-ray of the abdomen visualizing the kidneys, ureters, and bladder is known
as:
A KUB
B IVP
C CT scan
D MRI
CORRECT ANSWER: A
Rationale:
KUB stands for Kidneys, Ureters, Bladder. It is a plain x-ray of the abdomen used to visualize
these structures.
Tested Concept: KUB x-ray
NSG 3100 Exam 3
Complete Practice
Question Bank
NCLEX-Style Practice Questions with Rationales
Topic Focus: Fundamental Concepts — Diagnostic Procedures, Elimination, &
Medication Administration
Edition 1 · July 2026 · 117 Questions
Table of Contents
1. Instructions for Use 2
2. Practice Questions with Answers & Rationales — NSG 3100 Exam 3 2
NSG 3100 · Galen College of Nursing Page 1
,NSG 3100 EXAM 3 PRACTICE GUIDE INSTRUCTIONS & PRACTICE QUESTIONS
How to Use This Guide
Read each stem, choose your answer, then check the rationale directly below it. The correct
option is marked, and each wrong option is explained so you understand why it's wrong — not
just that it is. Items marked NEEDS RATIONALE had limited source detail; treat those as flags
for independent review.
Category: Fundamental Concepts — Diagnostic Procedures, Elimination, &
Medication Administration
1 When obtaining a capillary blood specimen to measure blood glucose, which
action should the nurse take?
A Ensure there is good blood flow at the puncture site
B Use the first drop of blood for testing
C Puncture the center of the finger pad
D Apply pressure immediately after puncture
CORRECT ANSWER: A
Rationale:
Ensuring good blood flow at the puncture site is essential for obtaining an adequate capillary
blood specimen. The first drop should be wiped away, and the puncture should be on the side
of the finger pad.
Tested Concept: Capillary blood glucose — ensure good blood flow
,2 When testing for fecal occult blood, which statement is true regarding color
interpretation?
A A green color indicates a guaiac positive result
B A green color does NOT indicate a guaiac positive result
C A blue color indicates a negative result
D Color is not relevant to the test interpretation
CORRECT ANSWER: B
Rationale:
A green color does NOT indicate a guaiac positive result. A blue color indicates a positive result,
while green is not a valid indicator.
Tested Concept: Fecal occult blood — color interpretation
3 An RN instructing a female patient on obtaining a clean catch urine specimen
should stress which action?
A Collect the first urine of the morning
B Void a small amount of urine before collecting the specimen
C Collect the entire urine stream
D Use the urine from the end of the stream
CORRECT ANSWER: B
Rationale:
Voiding a small amount of urine before collecting the specimen helps flush contaminants from
the urethra, ensuring a clean catch sample.
Tested Concept: Clean catch urine — void first
, 4 The client has an indwelling catheter. The nurse should obtain a sterile urine
specimen by:
A Emptying the drainage bag
B Using a syringe to withdraw urine from the catheter tubing port
C Disconnecting the catheter from the drainage tube
D Using the urine from the drainage bag
CORRECT ANSWER: B
Rationale:
A sterile urine specimen from an indwelling catheter should be obtained using a syringe to
withdraw urine from the catheter tubing port. This maintains the closed system and prevents
contamination.
Tested Concept: Indwelling catheter urine specimen
5 An x-ray of the abdomen visualizing the kidneys, ureters, and bladder is known
as:
A KUB
B IVP
C CT scan
D MRI
CORRECT ANSWER: A
Rationale:
KUB stands for Kidneys, Ureters, Bladder. It is a plain x-ray of the abdomen used to visualize
these structures.
Tested Concept: KUB x-ray
