Exam 2: Practice Questions Flashcards

1
Q

The assessment of a client reveals rapid, shallow respirations, respiratory alkalosis, and inspiratory crackles. Which additional finding would help confirm the diagnosis of ARDS?
A. Hypoxemia unresponsive to supplemental oxygen

B. Pink, frothy sputum

C. Circumoral cyanosis

D. Asymmetrical chest movements

A

A. Hypoxemia unresponsive to supplemental oxygen

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2
Q

A male adult patient hospitalized for the treatment of a pulmonary embolism develops respiratory alkalosis. Which of the following would most likely accompany this condition?
A. Nausea and Vomiting

B. Abdominal pain and diarrhea

C. Hallucinations or tinnitus

D. Lightheadedness and/or paresthesia

A

D. Lightheadedness and/or paresthesia

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3
Q

What is the effect of angiotensin-converting enzyme?
A. Vasodilation
B. Vasoconstriction
C. Inhibition of aldosterone
D. Excretion of sodium at the kidney

A

B. Vasoconstriction

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4
Q

Which of the following is NOT a accessory muscle of respiration?
A. Sternocleidomastoid
B. Trapezius
C. External intercostal
D. Diaphragm

A

D. Diaphragm - this is a major part of respiration

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5
Q

Which of the following is NOT one of the three characteristics of the triad of Virchow?
A. Injury to epithelium
B. Abnormalities of blood flow
C. Hypercoagulability of the blood
D. Decreased clotting factors

A

D. Decreased clotting factors

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6
Q

Which component of the blood system is responsible for the critical colloid oncotic pressure?
A. Immune globulins
B. Albumin
C. Gama Globulin
D. Clotting factors

A

B. Albumin

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7
Q

The nurse is told that the blood gas results indicate a pH of 7.55 and a PCO2 of 30 mm Hg. The nurse determines that these results indicate:
1. Metabolic acidosis
2. Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis

A
  1. Respiratory alkalosis
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8
Q

A nurse is caring for a client with a nasogastric tube that is attached to low suction. The nurse monitors the client closely for which acid-base disorder that is most likely to occur in this situation?
1. Metabolic acidosis
2. Metabolic alkalosis
3. Respiratory acidosis
4. Respiratory alkalosis

A
  1. Metabolic alkalosis
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9
Q

A client is experiencing respiratory alkalosis. Which of the following additional laboratory values would the nurse expect to note?
1. A sodium level of 145 mEq/L
2. A potassium level of 3.2 mEq/L
3. A pCO2 of 56 mmHg
4. A bicarbonate of 30 mEq/L

A
  1. A potassium level of 3.2 mEq/L
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10
Q

A nurse is caring for a client with diabetic ketoacidosis and documents that the client is experiencing Kussmaul’s respirations. Based on this documentation, which of the following did the nurse most likely observe?
1. Respirations that cease for several seconds
2. Respirations that are regular but abnormally slow
3. Respirations that are labored and increased in depth and rate
4. Respirations that are abnormally deep, regular, and increased in rate

A
  1. Respirations that are labored and increased in depth and rate
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11
Q

The RN reviews the results of the ABG with the LPN and tells the LPN that the client is experiencing respiratory acidosis. The LPN would expect to note which of the following on the laboratory result form?
1. pH 7.50, PCO2 52 mm Hg
2. pH 7.35, PCO2 40 mm Hg
3. pH 7.25, PCO2 50 mm Hg
4. pH 7.50, PCO2 30 mm Hg

A
  1. pH 7.25, PCO2 50 mm Hg
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12
Q

Which of the following factors is NOT regulated by vitamin K?
A. II
B. VII
C. VIII
D. X

A

C. VIII

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13
Q

Which of the following is NOT a cause of hypercapnia?
A. depression of the respiratory center by drugs
B. Disease of the medulla
C. Large airway obstruction
D. Increased respiratory drive

A

D. Increased respiratory drive

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14
Q

Which of the following forms of leukemia is the most common in children?
A. Acute lymphoblastic leukemia (ALL)
B. Acute myelogenous leukemia (AML)
C. Chronic lymphocytic leukemia (CLL)
D. Chronic myelogenous leukemia (CML)

A

A. Acute lymphoblastic leukemia (ALL)

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15
Q

Which of the following cells proliferate in myeloma?
A. Lymphocytes
B. Plasma Cells
C. Eosinophils
D. Granulocytes

A

B. Plasma Cells

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16
Q

Which of the following characteristics of the megaloblastic anemias?
A. small cell size
B. Decreased thickness
C. caused by increased folate
D. presence of macrocytes

A

D. presence of macrocytes

17
Q

Which of the following best describes the pathological mechanism of glaucoma?
A. A tear of the retina results in increased pressure in the posterior chamber of the eye
B. Macular degeneration results in visual changes characteristic of tunnel vision
C. There is an increased intraocular pressure due to drainage obstruction
D. None of the above are correct

A

C. There is an increased intraocular pressure due to drainage obstruction

18
Q

A patient with anemia has bloodwork drawn and the red blood cell indices reveal elevated MCV and MCH. This is most consistent with which type of the following anemias?
A. Iron deficiency anemia
B. Anemia of chronic kidney disease
C. Thalassemia
D. Vitamin B12 deficiency

A

D. Vitamin B12 deficiency

19
Q

The nurse is assessing a client who is described as having a “barrel chest.” The nurse know that this is most consistent with which of the following forms of COPD?
A. Chronic obstructive bronchitis
B. Emphysema
C. Both emphysema and chronic bronchitis
D. Both forms of COPD as well as bronchial asthma

A

B. Emphysema

20
Q

Which one of the following is true regarding the electrocardiogram?
A. The T wave represents atrial repolarization
B. The QRS complex represents ventricular depolarization
C. The P wave represents electrical activity generated from the atrio-ventricular node
D. The QRS complex represents atrial repolarization

A

B. The QRS complex represents ventricular depolarization

21
Q

Which of the following leads in a 12-lead electrocardiogram is most representative of the overall electrical activity of the heart?
A. Lead I
B. Lead II
C. Lead III
D. Lead IV

A

B. Lead II

22
Q

The PT/INR is a measure of which coagulation pathway?
A. The intrinsic pathway
B. The extrinsic pathway
C. The common pathway
D. Platelet function

A

B. The extrinsic pathway

23
Q

Which of the following is correct regarding electrolyte imbalance?
A. Hypocalcemia may result in decreased deep tendon reflexes
B. Hyperkalemia is associated alkalosis
C. Hypercalcemia primarily causes neuromuscular excitability
D. Hyponatremia primarily causes neurological dysfunction

A

D. Hyponatremia primarily causes neurological dysfunction