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HCR 240 Final Actual Exam Questions And
Answers Practice Questions with Solutions
Newest 2026-2027 | Already Graded A+
A patient asks the nurse why they need to wear oxygen in the
hospital and how it works with blood cells. Which is the best
response?
-Blood cells passing through the arteries in the lungs are
oxygenated and then carry oxygen to the body
-When you take in a breath the blood cells in your nose takes in
the oxygen
-The blood that pumps through the heart takes in oxygen
-The blood receives oxygen from the bone marrow and carries it
to the tissues - ANSWER-Blood cells passing through the
arteries in the lungs are oxygenated and then carry oxygen to the
body
How does severe hypoxia develop with pneumonia?
-Inflammatory exudate absorbs oxygen from the alveolar air
-Infection reduces effective compensation by the heart
-Acidosis depresses respirations
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-Oxygen diffusion is impaired by the congestion - ANSWER-
Oxygen diffusion is impaired by the congestion
The nurse is discussing with the student nurse a pulse
oxygenation measurement. The student nurse knows what
measurement is acceptable for a pulse oxygenation reading in a
healthy adult?
-92-95%
-89-92%
-97-100%
-90-93% - ANSWER-97-100%
What causes the expanded anteroposterior (A-P) thoracic
diameter (barrel chest) in patients with emphysema?
-Persistent coughing to remove mucus
-Recurrent damage to lung tissues
-Dilated bronchi and increased mucus secretions
-Air trapping and hyperinflation - ANSWER-Air trapping and
hyperinflation
What is an early sign of lung cancer?
-Weight loss
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-Chronic cough
-Air trapping and over inflation of the lung
-Bone pain - ANSWER-Chronic cough
Which of the following describes lobar pneumonia?
-Sudden onset fever and chills with crackles and rusty sputum
-Insidious onset, diffuse interstitial infection
-Opportunistic bacteria causing low-grade fever with cough and
thick greenish sputum
-Viral infection causing nonproductive cough and pleuric pain -
ANSWER-Sudden onset fever and chills with crackles and rusty
sputum
One of the functions of the pulmonary system is the?
-Principle mechanism for cooling the heart
-Exchange of gases between the environment and blood
-Movement of blood into and out of the capillaries
-Expelling of bacteria - ANSWER-Exchange of gases between
the environment and blood
HCR 240 Final Actual Exam Questions And
Answers Practice Questions with Solutions
Newest 2026-2027 | Already Graded A+
A patient asks the nurse why they need to wear oxygen in the
hospital and how it works with blood cells. Which is the best
response?
-Blood cells passing through the arteries in the lungs are
oxygenated and then carry oxygen to the body
-When you take in a breath the blood cells in your nose takes in
the oxygen
-The blood that pumps through the heart takes in oxygen
-The blood receives oxygen from the bone marrow and carries it
to the tissues - ANSWER-Blood cells passing through the
arteries in the lungs are oxygenated and then carry oxygen to the
body
How does severe hypoxia develop with pneumonia?
-Inflammatory exudate absorbs oxygen from the alveolar air
-Infection reduces effective compensation by the heart
-Acidosis depresses respirations
,2|Page
-Oxygen diffusion is impaired by the congestion - ANSWER-
Oxygen diffusion is impaired by the congestion
The nurse is discussing with the student nurse a pulse
oxygenation measurement. The student nurse knows what
measurement is acceptable for a pulse oxygenation reading in a
healthy adult?
-92-95%
-89-92%
-97-100%
-90-93% - ANSWER-97-100%
What causes the expanded anteroposterior (A-P) thoracic
diameter (barrel chest) in patients with emphysema?
-Persistent coughing to remove mucus
-Recurrent damage to lung tissues
-Dilated bronchi and increased mucus secretions
-Air trapping and hyperinflation - ANSWER-Air trapping and
hyperinflation
What is an early sign of lung cancer?
-Weight loss
, 3|Page
-Chronic cough
-Air trapping and over inflation of the lung
-Bone pain - ANSWER-Chronic cough
Which of the following describes lobar pneumonia?
-Sudden onset fever and chills with crackles and rusty sputum
-Insidious onset, diffuse interstitial infection
-Opportunistic bacteria causing low-grade fever with cough and
thick greenish sputum
-Viral infection causing nonproductive cough and pleuric pain -
ANSWER-Sudden onset fever and chills with crackles and rusty
sputum
One of the functions of the pulmonary system is the?
-Principle mechanism for cooling the heart
-Exchange of gases between the environment and blood
-Movement of blood into and out of the capillaries
-Expelling of bacteria - ANSWER-Exchange of gases between
the environment and blood
