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Vet 240
Exam 2 (50)
| Question | Answer |
|---|---|
| Which of the following statements regarding the regulator or pressure-reducing valve on an anesthetic machine true | Decreases high, variable tank pressure to 45 - 50 psi |
| Hypoventilation that occurs in the anesthetized patient is characterized by | Reduced tidal volume and respiratory rate followed by increased carbon dioxide levels |
| You have anesthetized a 9-year-old male castrated mixed-breed dog for a right hind limb amputation. What would be the lowest acceptable mean arterial blood pressure for this patient | 60 mmHg |
| Which of the following arrhythmias is characterized by a prolonged P - R interval | First-degree AV block |
| Overventilation of a patient can lead to all of the following except | Decreased core body temperature |
| Blood pressure cuff placement is common in all of the following areas except the | Foot |
| The MAC value of a volatile agent describes how readily the liquid agent evaporates within the anethetic vaporizer | False |
| In an anesthetized patient, mean arterial blood pressure should ALWAYS be maintained above what value | 6t0 mmHg |
| Rubber solubility describes the tendency of an inhalant agent to bind to a certain components of the anesthetic machine and circuit which can decrease the amount of gas the patient receives | True |
| Which of the following sequences accurately depicts the cardiac conduction pathway | SA node -> AV node -> Bundle of HIS -> L and R Bundle branches -> Purkinje fibers |
| Nitrous oxide effectively decreases the MAC of other inhalant anesthetic agents through the second gas phenomenon | True |
| Precision vaporizers achieve controlled/limited vaporization through temperature and pressure compensation | True |
| You have a 40 kg patient scheduled for an anesthetic procedure. What should the oxygen flow rate be during maintenance with sevoflurane | 2 L/min |
| Which of the following would NOT be considered a property of the "ideal" inhalant agent | No residual analgesia |
| Which of the following factors do not influence MAC | Sex |
| What should the pressure be between the flowmeters and breathing circuit | 15 psi |
| When is the negative pressure relief valve important | If there is a failure of oxygen flow through the system |
| Ideally in a patient under anesthesia | The PaO2 should be high, and the PaCO2 should be low |
| All inhalant anesthetic machines should have | An anesthetic waste gas scavenging system |
| Which of the following is NOT a property of Isoflurane | More potent than halothane |
| Which of the following statements regarding MAC are true | The MAC of volatile anesthetic agent is inversely related to its potency |
| An EKG monitor provides information on all the following except | Regurgitant blood flow caused by valvular insufficiency |
| You are monitoring a 5 year old FS DSH under anesthesia when you note that her systolic blood pressure is 70 mmHg. Which of the following would NOT be an appropriate response | Increase the anesthetic vaporizer setting |
| Which of the following statements regarding sevoflurane is true | Is a better choice for mask induction than Isoflurane, Patients will experience VERY rapid changes in anesthetic depth, Is color-coated yellow for easy identification, Should not be used in a total rebreathing system |
| After turning off the vaporizer at the end of an anesthetic procedure, how long should a NORMAL patient be maintained on 100% oxygen before disconnecting the ET tube from the anesthetic circuit | 5 minutes |
| Which of the following would NOT cause pale mucous membranes in an anesthetized patient | Hyperthermia |
| At minimum, the anesthetist should record a patient's physiologic parameters in the anesthetic log | q 5 minutes |
| The end tidal capnometer measures which of the following parameters | The amount of CO2 presents in expired air |
| Which of the following statements regarding MAC are NOT true | Several factors, including the length of an anesthetic procedure, will decrease the MAC of a given volatile agent |
| Blue mucous membranes in an anesthetized patient would be caused by all the following EXCEPT | Anemia |
| How often should the anesthetist apply lubricant to the eyes of an anesthetized patient | q 90 minutes |
| Oxygen flowmeters which have a bobbin within the gauge should be read from the point/tip of the bobbin | False |
| Which of the following would NOT be included in the daily preanesthetic check of an anesthetic machine | Calibrating the vaporizer |
| The pulse oximeter measures which of the following parameters | The percent of hemoglobin that is saturated with O2 |
| Which species is most prone to developing malignant hyperthermia | None of these |
| Which of the following would be contraindicated when to treat hypercapnia in an anesthetized patient | Increase anesthetic vaporizer setting |
| Which of the following factors have been shown to increase the MAC of given volatile agent | Hypernatremia |
| The EKG strip below was recorded at 25 mm/sec. What is the heart rate | 20 bpm |
| Which of the following statements regarding diastolic blood pressure (BP) is NOT true | Diastolic BP can measured accurately with a Doppler unit |
| If inhalant anesthetic "X" has a MAC of 4.2 while inhalant anesthetic "Y" has a MAC of 3.5% then anesthetic agent "X" is potent than anesthetic agent "Y" | Less |
| All inhalant anesthetic agents are potent cardiopulmonary depressants | True |
| The EKG strip below was recorded at 50 mm/sec. What is the rhythm | Vantricular tachycardia |
| What is generally considered to be the minimum acceptable heart rate in an anesthetized feline patient | 100 bpm |
| The MAC of an inhalant agent is the concentration of drug that produces a surgical plane of anesthesia in 50% of patients | False |
| Isoflurane is more irritating to mucous membranes and airways than sevoflurane | True |
| Which of the following statements regarding Doppler blood pressure monitoring is true | You must clip the hair from the area over the vessel in question, Take the average of 3-5 readings ignoring any spurious results, Use only ultrasonic gel over the vessel, Be sure to turn the volume off or down when repositioning the probe |
| A partial/semi-closed rebreathing system allows excess gas to either exit the system via the pop-off valve, or to return to the patient through the carbon dioxide absorber to be rebreathed | True |
| Which of the following components allows room air into the anesthetic system if negative pressure becomes too great | None of these |
| The oxygen flush valve is an excellent way to deliver 100% oxygen to a patient connected to a non-breathing circuit | False |
| The normal blood pressure range for canine and feline patients is | 120/80 mmHg |
Created by:
Scoots223