Midpoint Summative Practice Exam

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• Biot respirations are characterized by:
• Capnography is a reliable method for confirming proper endotracheal tube placement because:
• The most common complication of nasotracheal intubation?
• Diazepam and midazolam provide which therapeutic effect?
• Laryngospasm is described by which term?
• Which structure initiates the heartbeat?
• Solve the system by substitution: 2x + y = 7 and y = x - 1.
• What is the value corresponding to a z-score of 3 when the mean is 8 and the standard deviation is 2?
• Which vessel carries deoxygenated blood from the body back to the right atrium?
• If a right triangle has legs of lengths 8 and 15, what is the length of the hypotenuse?
• When blood volume is lost, the body's response is mediated through the baroreceptor reflex, which controls:
• For f(x) = 3x^2 - 5x + 2, find the vertex.
• The valve between the left atrium and ventricle is the:
• Factor the quadratic x^2 - 9x + 20.
• Respiration is controlled by a respiratory center in the:
• If a1 = 3 and r = 2, what is a4?
• A pneumothorax involves air accumulating in which space?
• Which statement about shock classifications is accurate?
• Shock or hypoperfusion occurs when there is:
• Solve 2^x = 16.
• Which valve prevents backflow from the left ventricle to the left atrium?
• Convert 3 feet to inches.
• Which type of shock results primarily from pump failure leading to reduced forward flow?
• What is the slope of a line perpendicular to the line y = 3x + 4?
• Which inspiratory flow pattern is considered the most physiologic?
• In a geometric sequence with a1 = 3 and a3 = 27, what is the common ratio r if r is positive?
• Which sign might suggest the pop-off valve is venting at too low a pressure during ventilation?
• For orotracheal intubation, which head position is recommended?
• Rounding 12.3456 to two decimal places yields which value?
• Which patient scenario may benefit from CPAP?
• A decrease in arterial pressure is quickly identified by the ___, which initiates a negative feedback loop.
• The concept of apnea oxygenation is based on which principle?
• What is the perimeter of a 3-4-5 triangle?
• Pulmonary edema is characteristic of which classification of hypoperfusion?
• The roots of x^2 - 5x + 6 are which pair of numbers?
• What is the midpoint of the points (2, -3) and (8, 5)?
• What is the average length of the two bases 6 and 4?
• Compute y = 100*(1.05)^t for t = 2.
• Which statement about oxygen is true?
• End-tidal CO2 measurement is taken at the end of which phase of the respiratory cycle?
• The trachea divides into the right and left main bronchi at which structure?
• Solve x^2 - 4x - 5 = 0.
• Autoimmune diseases occur when the immune system mistakenly attacks which part of the body?
• Which chamber pumps blood to the aorta?
• An antigen is best described as a substance that triggers the production of antibodies.
• In a trauma patient with hypotension, tachycardia, and absent radial pulses, which type of shock is least likely to be the cause?
• After ROSC, ETCO2 trend is:
• Prior to securing the endotracheal tube with a commercial device, which step should you take?
• When should the pop-off valve engage during manual ventilation with a bag-valve-mask?
• The toughest, outermost layer of the meninges is the:
• End-tidal CO2 (EtCO2) primarily reflects the status of which physiologic process during mechanical ventilation?
• Which muscle type constricts blood vessels?
• What is the diameter of a circle with radius 7?
• What is the x-coordinate of the vertex of f(x) = 3x^2 - 5x + 2?
• Capnography during resuscitation is most useful for assessing chest compression effectiveness.
• During an acute infection, which of the following is UNLIKELY to occur?
• Heart murmur, stenosis, and insufficiency are all terms associated with diseases of:
• What is the bicarbonate value (HCO3-) in the ABG sample?
• The side of a cell membrane with fewer particles is described as?
• Determine the slope and y-intercept of the line y = -2x + 8.
• Orotracheal intubation should be performed with the patient's head:
• The most serious abnormal heart rhythm is:
• Which type of shock is septic shock considered to be?
• Which medication is used to decrease intracranial pressure in a head injury patient?
• Which ABG component reflects the respiratory component of acid-base status?
• If two non-vertical lines are perpendicular, what is the product of their slopes?
• Which vessel carries oxygenated blood from the lungs to the heart?
• In the data set 1, 2, 3, 4, 5, which statistics are equal to 3?
• Which is a foreign substance that triggers an immune response?
• Orthopnea is best described as dyspnea that occurs when a patient:
• Blood from the body enters the right atrium via the:
• An intubated 33-year-old man is agitated and the ETA to hospital is 15 minutes. What is the most appropriate action now?
• You are presented with a 34-year-old female patient who is a victim of a car accident. The patient's vital signs are BP 100/P, HR 130, RR 20/min, and she is currently responsive. What stage of shock is she in?
• The serous membrane that lines the thoracic cavity and surrounds the lungs is the
• What is the probability of rolling an even number on a fair six‑sided die?
• For safe manual ventilation in adults, peak inspiratory pressure should generally be kept below which threshold to minimize the risk of barotrauma?
• In similar triangles with scale factor k = 1/3, if AB corresponds to DE and AB = 9, what is DE?
• Which classification of shock is defined by systemic vasodilation and relative hypovolemia due to sepsis?
• If the primary acid-base disturbance is metabolic in nature, which system will respond to shift the pH toward normal?
• Sodium nitroprusside, hydralazine, and enalapril are all examples of which drug category?
• Which structure in the brainstem is primarily responsible for autonomic control of respiration?
• CPAP is not appropriate for patients who have which of the following characteristics?
• A pneumothorax is:
• What is the general term a_n of a geometric sequence given the first term a1 and common ratio r?
• Simplify (2x^3)(3x^2).
• What is the circumference of a circle with radius 5?
• Which muscle type encircles blood vessels?
• Solve for x: 3x - 7 = 2x + 5.
• What is the definition of the interquartile range (IQR)?
• Which of the following is an abnormal value for arterial CO2?
• Solve the system: 3x + y = 9 and y = -x + 3.
• Are pop-off valves on BVMs adjustable?
• Which is the most common complication associated with nasotracheal intubation?
• Which part of the heart initiates contraction?
• What is the area of a triangle with base 8 and height 5?
• Oxygen that is entirely devoid of moisture will:
• What is the arterial pH value in the ABG sample?
• Capnography monitoring is primarily used to assess which of the following?
• Which statement is true for all real numbers x about x^2?
• Solve the inequality -3x + 4 ≤ 1.
• Exchange of gas between inhaled air and blood occurs in the:
• The muscle layer of the heart is the:
• In respiratory alkalosis, the carbon dioxide ions will be:
• Why is the pop-off valve particularly important during pediatric resuscitation when using a BVM?
• In a right triangle with legs 8 and 15, what is h^2, where h is the hypotenuse length?
• Which chamber receives blood from the systemic veins?
• In osmosis, the term for a solution with lower solute concentration than the cell interior is described as?
• Laryngospasm is defined as:
• Increased permeability of the vessel walls in an inflammation causes which signs?
• From a standard deck, what is the probability of drawing a card that is either an Ace or a Spade?
• Simplify (x^4)^(1/2).
• If you know a card drawn is a Spade, what is the probability that the card is an Ace?
• If two similar triangles have a scale factor of 2, and a corresponding side in the smaller triangle is 5, what is the corresponding side in the larger triangle?
• Which of the following could indicate a malfunction of a pop-off valve on a BVM?
• Which system slows the heart rate?
• Which chamber pumps blood to the body through the aorta?
• Which statement is true about CPAP use in the described scenarios?
• What do pericardial tamponade, tension pneumothorax, and pulmonary embolism have in common regarding hypoperfusion?
• Shark-fin capnography waveforms are most commonly associated with which condition?
• Poor lung compliance during your initial attempt to ventilate an unconscious, apneic adult should be treated by:
• Blood flows to all the organs of the body except the lungs through the:
• Septic shock is categorized as which type of shock?
• If Q1 = 10 and Q3 = 22, what is the interquartile range (IQR)?
• Faint breath sounds on the right after intubation most likely indicate which complication?
• Which part of the Krebs cycle yields high energy, requires oxygen, and is most efficient?
• Which medication does not directly stimulate beta-2 receptors to relax bronchioles?
• Solve the system: x + y = 7 and x - y = 1.
• The pulse oximeter is particularly useful for monitoring which scenario?
• When the King LT airway is properly placed, the distal cuff seals the:
• The discriminant of x^2 + 2x + 5 is equal to which value?
• The study of abnormal structure and function is known as?
• After endotracheal intubation, breath sounds are faint on the right side. What is the most likely diagnosis?
• Inflammation produces four classical signs, including:
• What is the preferred I:E ratio in the context described?
• Which statement best indicates the pop-off valve is functioning properly during manual ventilation?
• Which component acts as the natural pacemaker of the heart?
• Which statement about oxygen is correct?
• Capnography confirms endotracheal tube placement by detecting CO2 in:
• The pacemaker of the heart is called the
• A car travels at 60 mph for 2.5 hours. What distance does it cover?
• Factor x^2 - 5x + 6.
• A state of inadequate tissue perfusion is called?
• In respiratory acidosis, the H+ ions will:
• Which condition is classified as obstructive shock?
• If 60 percent of students pass a test and there are 150 students in total, how many pass?
• What is the domain of f(x) = sqrt(x - 2)?
• Which is correct about inflammation?
• Solve for a in terms of b: 5a - 2b = 3. Which expression correctly represents a?
• What is the slope of the line through (1, 3) and (4, 11)?
• What is the probability that the sum of two standard six-sided dice is 7?
• Solve by completing the square: x^2 + 4x - 5 = 0.
• Which condition is a contraindication for nasotracheal intubation?
• Which finding would be most significant in a patient in respiratory distress?
• Positive-pressure ventilation differs from negative-pressure ventilation in that positive-pressure ventilation:
• Solve 2^x = 32.
• With King LT airway placement, the distal cuff's proper sealing target is which structure?
• A disadvantage of endotracheal intubation is that it:
• What is the mode of the data set 1, 2, 3, 4, 5?
• Which of the following scenarios is an example of malfeasance:
• What is the volume of a rectangular prism with length 3, width 4, and height 5?
• What is the diameter of a circle with radius 5?
• Which assessment finding would confirm a suspicion of bladder infection in a patient with fever, abdominal pain, and increased urinary frequency?
• If a = 3 and b = -2, what is 2a^2 + 3b?
• Autoimmunity involves abnormal reactions against which of the following?
• What is the normal value for arterial blood pH?
• Which pair (x, y) satisfies simultaneously x - y ≤ 2 and x + y ≥ 6?
• Evaluate f(-2) for f(x) = x^3 - 6x.
• How are EtCO2 values commonly expressed?
• After inserting an OPA in an unresponsive woman, the patient begins to gag. You should:
• What is the area of a trapezoid with bases 6 and 4 and height 5?
• Express 0.75 as a fraction in simplest terms.
• If a patient requires higher inspiratory pressures during manual ventilation, what is the recommended approach regarding the pop-off valve?
• A drug with a long half-life means?
• Blood leaving the right atrium flows into the:
• Which of the following is NOT among the antihypertensive examples given?
• What is the z-score for a value of 12 when the mean is 8 and the standard deviation is 2?
• Which statement about pop-off valves is true?
• What is the leading coefficient of f(x) = 3x^2 - 5x + 2?
• Solve the inequality 4 - 2x > 12.
• Which drug class should a patient with a history of asthma not receive?
• For the data set 1, 2, 3, 4, 5, which statements are true about mean, median, and mode?
• If ROSC occurs, which of the following ETCO2 findings would you expect to encounter?
• The blood vessel that alters the flow of blood to the tissues is the:
• What is g(0) for g(x) = 1/x?
• Which condition is a contraindication for nasotracheal intubation?
• Which condition is suspected given fever, abdominal pain, and urinary frequency?
• In the described patient with thoracic injuries and chest tube, the pulmonary function disturbance is best described as a disturbance in:
• Gas exchange between inhaled air and blood occurs in which structure?
• Which statement correctly describes ventilation if the endotracheal tube is properly positioned in the trachea during bag-valve ventilation?
• In a patient with poor lung compliance, how might the pop-off valve behave during manual ventilation?
• What is the median of the data set 1, 2, 3, 4, 5?
• An airway obstruction secondary to a severe allergic reaction
• It would be appropriate to insert an NPA in patients who:
• In a right triangle, the legs measure 3 and 4. What is the length of the hypotenuse?
• Stimulation of alpha-adrenergic receptor sites during sympathetic discharge causes what response?
• At which structure does the trachea split into the right and left main bronchi?
• Biot respirations are described as which of the following?
• What is the role of B cells in the immune response?
• What is the sum of the roots of x^2 - 4x - 5 = 0?
• Which cell ingests bacteria and cellular debris?
• Which type of cell ingests bacteria and debris?
• If y = 2x + 3 and x = -1, what is y?
• In a patient with respiratory distress, capnographic shark-fin waveforms are observed. What is the most likely finding?
• Cardiac output depends on which factors?
• If one endpoint of a segment is (2, -3) and the midpoint is (5, 1), what is the other endpoint?
• What is the degree of the polynomial (2x^3)(3x^2)?
• Which term means the human body's maintenance of stability amidst changing conditions?
• What type of information does capnography provide to the critical care team?
• During inspection of a bag-valve-mask, which statement indicates the pop-off valve is functioning properly?
• Blood leaving the right ventricle flows into the:
• The EtCO2 value is best defined as:
• Capnography can serve as an indicator of:
• Which cells secrete antibodies during the immune response?
• What is y when x = -3 for y = 2x + 7?
• How does the pop-off valve contribute to ventilation safety?
• During an acute infection, which of the following is likely to occur?
• Which brain structure regulates ventilation?
• If an unresponsive patient does not have a gag reflex, an OPA
• What is the area of a circle with radius 7?
• Blood from the pulmonary veins enters the:
• Which statement about pop-off valves on bag-valve-masks is true?
• What is the purpose of the pop-off valve on a bag-valve-mask during manual ventilation?
• Which medication provides bronchodilation primarily through beta-2 receptor stimulation?
• If a = 0 and b = 0, what is 2a^2 + 3b?
• If ventilation seems ineffective and a pop-off valve malfunction is suspected, what is the recommended action?
• Compared with negative-pressure ventilation, positive-pressure ventilation occurs when:
• Which statement about confirming endotracheal tube placement in the prehospital setting is most accurate?
• The double membranes forming a sac enclosing the lungs are the:
• Supplemental oxygen is indicated for any patient with:
• When two paramedics are ventilating with a BVM, the non-squeezing provider should:
• In a geometric sequence, what is a3 in terms of a1 and r?
• What is the best management for a patient in severe respiratory acidosis?
• Which term describes the immune system's rapid, non-specific response present at birth?
• The defining characteristic of innate immunity - it:
• A drug that causes a direct action on a receptor site is called?
• Which airway adjunct is appropriate for a patient with AMS and intact gag reflex?
• What is the domain of f(x) = sqrt(x)?
• How many real roots does the quadratic equation x^2 + 2x + 5 = 0 have?