Nursing_A_Concept_Based_Approach_to_Lear
ning_4th_Edition_Pearson complete testbank
all chapters included
Nursing: A Concept- bw bw
Based Approach to Learning Vol. 1 & 2, 4e (Pearson) Module 1bw bw bw bw bw bw bw bw bw b w bw Acid-
BaseBalance w
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TheConcept of Acid-BaseBalance
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1) A client who has been fasting and has ketones in the urine is brought to the emergency departmen
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t (ED) unconscious. Which acid-base imbalance would the nurse expect to assess in thisclient?
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b
A) Metabolicacidosis bw
B) Respiratoryalkalosis bw
C) Metabolicalkalosis bw
D) Respiratoryacidosis bw b
wAnswer: A bwbwb w
Explanation: A) A client who is fasting is at risk for development of metabolic acidosis. The bodyr bwbwbw bw bw bw bw bw bw bw bw bw bw bw bw bw bw b w w
b
ecognizes fasting as starvation and begins to metabolize its own fatty acids into ketones, whichare
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metabolic acids. bw
B) A client who is fasting is at risk for development of metabolic acidosis. The body recognizes fastin
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g as starvation and begins to metabolize its own fatty acids into ketones, which are metabolic acids. St
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arvation would not result inrespiratoryalkalosis. bw bw bw bw bw bw
C) A client who is fasting is at risk for development of metabolic acidosis. The body recognizes fasti
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ng as starvation and begins to metabolize its own fatty acids into ketones, which are metabolic acids. S
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tarvation would not result in metabolic alkalosis. bw bw bw bw bw bw
D) A client who is fasting is at risk for development of metabolic acidosis. The body recognizes fasti
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ng as starvation and begins to metabolize its own fatty acids into ketones, which are metabolic acids. S
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tarvation would not result in respiratoryacidosis. bw bw bw bw bw bw
Page Ref: 5 bw bw
Cognitive Level: Analyzing bw bwb w
Client Need/Sub: Physiological Integrity: Physiological Adaptation
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Standards: QSEN Competencies: III.A.1. Demonstrate knowledge of basic scientific methods a bwb w bw bw bw bw bw bw bw bw b w
nd processes. |AACN Domains and Competencies: 2.4 Diagnose actual or potential health proble
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ms and needs. | NLN Competencies: Knowledge and Science: Relationships between knowledge/s
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cience and qualityand safe patient care. |Nursing Process: Assessment
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Learning Outcome: 1.2. Differentiate alterations in acid-base balance. bw bwb w bw bw bw bw bw
MNL LO: Analyze the concept of acid-base balance and its application to nursing care.
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2) The nurse is caring for a client in the emergency department. Which factors will the nurse ident
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ifythat increase the client's risk for metabolic acidosis? Select all that apply.
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A) Abdominalfistulas bw
B) Chronic obstructive pulmonarydisease bw bw bw
C) Pneumonia
D) Chronicrenal failure w
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E) Hypovolemicshock bw b w
Answer: A, D, E bwbwb w bw bw
Explanation: A) Metabolic acidosis is rarely a primary disorder. It usually develops during the cours bwb w bw bw bw bw bw bw bw bw bw bw bw bw b w
e of another condition such as an abdominal fistula which can cause the loss of bicarbonate from theint
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estine.
B) Chronic obstructive pulmonarydisease places the client at risk for respiratory acidosis with the i bw bw bw bw bw bw bw bw bw bw w
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ncreased retention of carbon dioxide in the blood. bw bw bw bw bw bw bw
C) Pneumonia places the client at risk for respiratoryacidosis with the increased retention of car bw bw bw bw bw bw bw w
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bon dioxide in the blood. bw bw bw bw
D) Metabolic acidosis is rarely a primarydisorder. It usually develops during the course of another co bw bw bw bw bw w
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ndition such as chronic renal failure. In this health problem, the kidneys are unable to excrete a norma
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l amount of hydrogen ions in the urine. This results in an excessive amount of hydrogen ions in the bloo
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d, which produces metabolic acidosis.
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E) Metabolic acidosis is rarely a primarydisorder. It usually develops during the course of another con bw bw bw bw bw bw bw bw bw bw bw bw bw b w bw
dition such as hypovolemic shock. With a severe blood loss, there is a lack of blood flow throughout th
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e body and a lack of oxygen in every cell. Adenosine triphosphate (ATP) must produce energy anaerob
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ically without the presence of oxygen; lactic acid is a by-
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product. This produces systemic lactic acidosis, a type of metabolic acidosis.
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Page Ref: 5-6 bw bw
Cognitive Level: Applying bw bwb w
Client Need/Sub: Physiological Integrity: Physiological Adaptation
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Standards: QSEN Competencies: III.A.1. Demonstrate knowledge of basic scientific methods a bwb w bw bw bw bw bw bw bw bw b w
nd processes. |AACN Domains and Competencies: 2.4 Diagnose actual or potential health proble
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ms and needs. | NLN Competencies: Knowledge and Science: Relationships between knowledge/s
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cience and qualityand safe patient care. |Nursing Process: Assessment
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Learning Outcome: 1.2. Differentiate alterations in acid-base balance. bw bwb w bw bw bw bw bw
MNL LO: Analyze the concept of acid-base balance and its application to nursing care.
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3) A client with acute asthma has a PaCO2 of 48 mmHg, a pH of 7.31, and a normal HCO3 arteri
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al blood gas value. Which condition will the nurse associate with these values?
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A) Metabolicacidosis bw
B) Respiratoryalkalosis bw
C) Respiratoryacidosis bw
D) Metabolicalkalosis bw b
Answer: C
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Explanation: A) Uncompensated metabolic acidosis has a decreased pH, normal PaCO2, and de bwb w bw bw bw bw bw bw bw bw bw bw b w
creased HCO3. bw
B) Uncompensated respiratory alkalosis has an increased pH, decreased PaCO2, and normal H bw bw bw bw bw bw bw bw bw bw b w
CO3.
C) If the pH is decreased and the PaCO2 is increased with a normal HCO3, it is uncompensated respir
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atoryacidosis. w
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D) Uncompensated metabolic alkalosis has an increased pH, normal PaCO2, and increased HC bw bw bw bw bw bw bw bw bw bw b w
O3.
Page Ref: 7 bw bw
Cognitive Level: Analyzing bw bwb w
Client Need/Sub: Physiological Integrity: Physiological Adaptation
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Standards: QSEN Competencies: III.A.1. Demonstrate knowledge of basic scientific methods a
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nd processes. |AACN Domains and Essential Competencies: 2.4 Diagnose actual or potential healt
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h problems and needs. |NLN Competencies: Knowledge and Science: Relationships between kno
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wledge/science and qualityand safe patient care. | Nursing Process: Assessment LearningOutcom bw bw bw bw bw bw bw bw bw bw b w bw
e: 1.2. Differentiate alterations in acid-base balance.
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MNL LO: Analyze the concept of acid-base balance and its application to nursing care.
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