NUR 105WEEK 8 FINAL EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ASWERS) PLUS
RATIONALES Q &A 2026 |INSTANT DOWNLOAD
PDF
1. Which of the following is the primary function of the
respiratory system?
A. Transport nutrients to cells
B. Remove carbon dioxide from the body
C. Produce hormones
D. Filter blood
Answer: B – The respiratory system facilitates gas exchange,
primarily removing CO₂ and supplying O₂ to the body.
2. A nurse is caring for a patient with hypertension. Which
lifestyle modification should be recommended?
A. Increase sodium intake
B. Reduce physical activity
C. Limit alcohol consumption
D. Increase saturated fats
Answer: C – Limiting alcohol intake helps control blood pressure
and reduces cardiovascular risk.
3. Which nursing action is appropriate when administering a
subcutaneous injection?
A. Insert the needle at 90° in all patients
B. Pinch the skin and insert the needle at 45° or 90° depending
,on the patient’s size
C. Massage the site vigorously after injection
D. Use a 25 mL syringe
Answer: B – Pinching the skin and adjusting the angle prevents
intramuscular injection and ensures proper subcutaneous
delivery.
4. A patient reports shortness of breath and wheezing. What
is the priority nursing action?
A. Encourage fluid intake
B. Assess airway and oxygen saturation
C. Administer oral analgesics
D. Monitor vital signs every 8 hours
Answer: B – Airway assessment and oxygenation are priorities
for respiratory distress.
5. Which of the following vital signs indicates hypothermia?
A. Temperature 36.5°C
B. Temperature 37.2°C
C. Temperature 34°C
D. Temperature 38°C
Answer: C – Hypothermia is defined as a core body temperature
below 35°C.
6. What is the normal range for adult blood pressure?
A. 120/80 mmHg
B. 140/90 mmHg
C. 100/60 mmHg
D. 160/100 mmHg
,Answer: A – Normal adult blood pressure is approximately
120/80 mmHg.
7. A patient with diabetes asks about proper foot care. Which
instruction is correct?
A. Soak feet daily in hot water
B. Inspect feet daily for cuts or sores
C. Walk barefoot indoors to strengthen feet
D. Use harsh antiseptics for small wounds
Answer: B – Daily inspection helps prevent infection and
complications from neuropathy.
8. Which action demonstrates proper hand hygiene?
A. Rubbing hands with hand sanitizer for 5 seconds
B. Washing hands with soap and water for 20 seconds
C. Using gloves without washing hands
D. Wiping hands with a dry towel only
Answer: B – Proper handwashing for at least 20 seconds
removes germs effectively.
9. A nurse is preparing to administer a medication that
requires informed consent. What is the nurse’s role?
A. Explain risks, benefits, and alternatives to the patient
B. Obtain signature from the patient
C. Witness the patient signing the consent form
D. Administer medication without explanation
Answer: C – The nurse witnesses consent but does not provide
legal explanations; the provider does that.
, 10. Which electrolyte imbalance is indicated by muscle
weakness and irregular heartbeat?
A. Hyperkalemia
B. Hypocalcemia
C. Hyponatremia
D. Hypermagnesemia
Answer: A – Elevated potassium levels can cause cardiac
arrhythmias and muscle weakness.
11. What is the best method to prevent catheter-associated
urinary tract infections (CAUTI)?
A. Routine catheter replacement every 24 hours
B. Maintaining strict aseptic technique during insertion
C. Administering antibiotics prophylactically
D. Using antiseptic wipes daily
Answer: B – Aseptic technique reduces infection risk; routine
replacement and antibiotics are not first-line prevention.
12. Which symptom is characteristic of hypoglycemia?
A. Polyuria
B. Confusion and sweating
C. Fruity breath odor
D. Increased thirst
Answer: B – Low blood glucose causes neuroglycopenic
symptoms like confusion, plus autonomic signs such as
sweating.
13. A patient is receiving oxygen therapy via nasal cannula.
What is a safe oxygen flow rate?
CORRECT ANSWERS (VERIFIED ASWERS) PLUS
RATIONALES Q &A 2026 |INSTANT DOWNLOAD
1. Which of the following is the primary function of the
respiratory system?
A. Transport nutrients to cells
B. Remove carbon dioxide from the body
C. Produce hormones
D. Filter blood
Answer: B – The respiratory system facilitates gas exchange,
primarily removing CO₂ and supplying O₂ to the body.
2. A nurse is caring for a patient with hypertension. Which
lifestyle modification should be recommended?
A. Increase sodium intake
B. Reduce physical activity
C. Limit alcohol consumption
D. Increase saturated fats
Answer: C – Limiting alcohol intake helps control blood pressure
and reduces cardiovascular risk.
3. Which nursing action is appropriate when administering a
subcutaneous injection?
A. Insert the needle at 90° in all patients
B. Pinch the skin and insert the needle at 45° or 90° depending
,on the patient’s size
C. Massage the site vigorously after injection
D. Use a 25 mL syringe
Answer: B – Pinching the skin and adjusting the angle prevents
intramuscular injection and ensures proper subcutaneous
delivery.
4. A patient reports shortness of breath and wheezing. What
is the priority nursing action?
A. Encourage fluid intake
B. Assess airway and oxygen saturation
C. Administer oral analgesics
D. Monitor vital signs every 8 hours
Answer: B – Airway assessment and oxygenation are priorities
for respiratory distress.
5. Which of the following vital signs indicates hypothermia?
A. Temperature 36.5°C
B. Temperature 37.2°C
C. Temperature 34°C
D. Temperature 38°C
Answer: C – Hypothermia is defined as a core body temperature
below 35°C.
6. What is the normal range for adult blood pressure?
A. 120/80 mmHg
B. 140/90 mmHg
C. 100/60 mmHg
D. 160/100 mmHg
,Answer: A – Normal adult blood pressure is approximately
120/80 mmHg.
7. A patient with diabetes asks about proper foot care. Which
instruction is correct?
A. Soak feet daily in hot water
B. Inspect feet daily for cuts or sores
C. Walk barefoot indoors to strengthen feet
D. Use harsh antiseptics for small wounds
Answer: B – Daily inspection helps prevent infection and
complications from neuropathy.
8. Which action demonstrates proper hand hygiene?
A. Rubbing hands with hand sanitizer for 5 seconds
B. Washing hands with soap and water for 20 seconds
C. Using gloves without washing hands
D. Wiping hands with a dry towel only
Answer: B – Proper handwashing for at least 20 seconds
removes germs effectively.
9. A nurse is preparing to administer a medication that
requires informed consent. What is the nurse’s role?
A. Explain risks, benefits, and alternatives to the patient
B. Obtain signature from the patient
C. Witness the patient signing the consent form
D. Administer medication without explanation
Answer: C – The nurse witnesses consent but does not provide
legal explanations; the provider does that.
, 10. Which electrolyte imbalance is indicated by muscle
weakness and irregular heartbeat?
A. Hyperkalemia
B. Hypocalcemia
C. Hyponatremia
D. Hypermagnesemia
Answer: A – Elevated potassium levels can cause cardiac
arrhythmias and muscle weakness.
11. What is the best method to prevent catheter-associated
urinary tract infections (CAUTI)?
A. Routine catheter replacement every 24 hours
B. Maintaining strict aseptic technique during insertion
C. Administering antibiotics prophylactically
D. Using antiseptic wipes daily
Answer: B – Aseptic technique reduces infection risk; routine
replacement and antibiotics are not first-line prevention.
12. Which symptom is characteristic of hypoglycemia?
A. Polyuria
B. Confusion and sweating
C. Fruity breath odor
D. Increased thirst
Answer: B – Low blood glucose causes neuroglycopenic
symptoms like confusion, plus autonomic signs such as
sweating.
13. A patient is receiving oxygen therapy via nasal cannula.
What is a safe oxygen flow rate?
