Question
A PaO2 below what value would be considered severe hypoxemia?
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Question
Which of the following is FALSE regarding body fluids and electrolytes?
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RES 280 Final Prep
280 Final Prep
Question | Answer |
---|---|
A PaO2 below what value would be considered severe hypoxemia? | 40 mm Hg |
Which of the following is FALSE regarding body fluids and electrolytes? | Interstitial fluid contains substantially more protein than does plasma. |
What term is used to describe a red blood cell (RBC) count that is below normal values? What term is used to describe a red blood cell (RBC) count that is below normal values? | Anemia |
What is a normal level for CaO2? | 18 to 20 ml/100 ml |
In which of the following clinical settings would hyperkalemia be a significant problem? | During weaning from mechanical ventilation |
Your patient has an elevated aspartate aminotransferase (AST). What two organs are most likely diseased? | heart and liver |
What is the normal anion gap? | 8 to 16 mEq/L |
What term is used to describe the increase in neutrophils due to recruitment of marginated cells back into the circulating blood? | Pseudoneutrophilia |
What term is used to describe a potassium concentration that is below normal in the blood serum? | Hypokalemia |
A physician requests that you obtain and set up an arterial line system for invasive monitoring of blood pressure. Which of the following equipment would you gather? | I. Pressurized intravenous bagII. Continuous flush deviceIII. Arterial catheterIV. Pressure transducerV. Amplifier or monitor |
Which of the following is an isotonic solution? | 0.90% NaCl |
In which of the following solutions do the molecules of solute remain intact? | Nonpolar covalent |
During examination of a patient's extremities, you press firmly for a brief period on a fingernail. You observe that it takes about 5 seconds for the color to return to the nail bed. This finding is most consistent with which of the following? | Reduction in cardiac output or poor peripheral perfusion. |
What breathing pattern is associated with diabetic ketoacidosis? | Kussmaul breathing |
What term is used to describe a sodium concentration that is below normal in the blood serum? | Hyponatremia |
What type of solution could have 1 gEq of solute per L of solution? | Normal |
Factors contributing to imprecision (random) errors during blood gas analysis include all of the following except. | Contaminated buffers |
Which of the following axis placements represents right-axis deviation? | +120 |
What disease is associated with a barrel chest? | Emphysema |
Which of the following is TRUE of peripheral cyanosis? | Sign of inadequate tissue perfusion. |
What is the most common cause of jugular venous distention (JVD)? | Right-sided heart failure |
Which of the following is NOT one of the formed elements in the blood? | Electrolytes |
What is the technical term for secretions from the tracheobronchial tree that have not been contaminated by the mouth? | Phlegm |
All of the following sites are used for arterial blood sampling by percutaneous needle puncture except: | Carotid |
While palpating the chest of a patient who repeats the words "ninety-nine," you note an area of increased tactile fremitus over the left lower lobe. Which of the following could explain this finding? | Pneumonia |
Which of the following statements is NOT true about type 1 and type 2 diabetes? | Type 1 is most often due to increased caloric intake. |
Factors contributing to bias (systematic) errors during blood gas analysis include all of the following except. | Statistical probability |
What does the presence of stridor indicate? | Upper airway obstruction |
Which of following is NOT a nonhydroxide base? | Ammonium |
Continuous SpO2 monitoring (versus a spot check) is indicated in all of the following situations except. | O2 therapy |
An increase in intensity and clarity of vocal resonance because of enhanced transmission of sound is referred to as which of the following? | Bronchophony |
How is the gram-equivalent (gEq) weight of a substance computed? | Dividing its gram atomic weight by its valence. |
Pick the correct statement as it relates to hemoglobin and acid-base buffering. | Deoxygenated hemoglobin is a fairly strong base. |
A patient with asthma would tend to exhibit which of the following? | Prolonged exhalation |
You are asked to provide continuous monitoring of the FIO2 provided by a humidified O2 delivery system using a galvanic cell analyzer. Where would you install the analyzer's sensor? | Proximal to the heated humidifier. |
Precautions and/or possible complications of arterial puncture include which of the following? | I. ArteriospasmII. EmbolizationIII. InfectionIV. Hemorrhage |
What is the normal range for serum phosphate? | 1.2 to 2.3 mEq/L. |
Which of the following changes in the characteristics of wheezing indicate improvement in airway obstruction following bronchodilator therapy? | Lower pitch, shorter duration |
What term best describes a loud, high-pitched continuous sound heard (often with the unaided ear) primarily over the larynx or trachea during inhalation in patients with upper airway obstruction? | Stridor |
What term is used to describe a white blood cell (WBC) count that is below normal values? | Leukopenia |
Positive ions are referred to as what? | Cations |
Clinical manifestations of hypocalcemia would NOT include which of the following? | Depressed tendon reflexes |
During auscultation of a patient's chest, you hear coarse crackles throughout both inspiration and expiration. These sound clear when the patient coughs. Which of the following is the most likely cause of these adventitious sounds? | Movement of excessive secretions in the airways. |
While observing a patient's breathing, you note that the depth and rate first increase, then decrease, followed by a period of apnea. Which of the following terms would you use in charting this observation? | I. Central nervous system disorderII. Congestive heart failure |
How long should you wait before drawing an ABG on a chronic obstructive pulmonary disease (COPD) patient whose FIO2 has just been changed? | 20 to 30 minutes |
Which of the following describes an aspect of pH? | Any solution with a pH of 7 is neutral. |
In which of the following conditions might the intensity of the heart sounds be reduced? | I. Heart failureII. Severe obesityIII. PneumothoraxIV. Pleural effusionV. Pulmonary hyperinflation |
Your patient has an abnormal sensorium.Which of the following is most likely true? | He is confused about where he is. |
What is the relation between pure water and acid-base balance? | The concentrations of both H+ and OH- ions are equal. |
Which of the following symptoms is least often associated with hypoglycemia? | Shortness of breath |