HCR 240 Final Exam 2026 | All Questions and
Correct Answers | Verified Answers | Just
Released | Brand New Versions!
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 ----
-----CORRECT 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
-Oxygen diffusion is impaired by the congestion ---------CORRECT 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% ---------CORRECT 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 ---------CORRECT ANSWER-----------------Air
trapping and hyperinflation
What is an early sign of lung cancer?
-Weight loss
-Chronic cough
-Air trapping and over inflation of the lung
-Bone pain ---------CORRECT 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 ---------CORRECT
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 ---------CORRECT ANSWER-----------------Exchange of gases
between the environment and blood
A 10-year-old develops pneumonia. Physical exam reveals subcostal and
intercostal retractions. The child reports that breathing is difficult with feelings
that "I cannot get enough air". What term should the nurse use to document this
condition?
-Cyanosis
-Hyperpnea
-Orthopnea
-Dyspnea ---------CORRECT ANSWER-----------------Dyspnea
Correct Answers | Verified Answers | Just
Released | Brand New Versions!
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 ----
-----CORRECT 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
-Oxygen diffusion is impaired by the congestion ---------CORRECT 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% ---------CORRECT 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 ---------CORRECT ANSWER-----------------Air
trapping and hyperinflation
What is an early sign of lung cancer?
-Weight loss
-Chronic cough
-Air trapping and over inflation of the lung
-Bone pain ---------CORRECT 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 ---------CORRECT
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 ---------CORRECT ANSWER-----------------Exchange of gases
between the environment and blood
A 10-year-old develops pneumonia. Physical exam reveals subcostal and
intercostal retractions. The child reports that breathing is difficult with feelings
that "I cannot get enough air". What term should the nurse use to document this
condition?
-Cyanosis
-Hyperpnea
-Orthopnea
-Dyspnea ---------CORRECT ANSWER-----------------Dyspnea
