id
stringlengths
36
36
question
stringlengths
8
990
A
stringlengths
1
284
B
stringlengths
1
250
C
stringlengths
1
278
D
stringlengths
1
297
choice_num
int64
2
9
target
stringclasses
6 values
category
int64
1
3
E
stringlengths
1
604
F
stringclasses
14 values
G
stringclasses
3 values
H
stringclasses
3 values
I
stringclasses
1 value
d49eb96e-2409-52e1-bf8a-31e054a7e0ab
Blood is routinely tested for
Hepatitis A
Severe acute respiratory syndrome (SARS)
West Nile virus
Bovine spongiform encephalitis (BSE, or mad cow disease)
4
C
1
null
null
null
null
null
89c9cccf-5f69-5709-b15f-6491a17aca56
The blood volume of a 10-kg, 1-year-old infant is
600 mL
800 mL
1000 mL
1300 mL
4
B
1
null
null
null
null
null
2e9ea9cd-90f4-5a41-87f1-bab9b0d77386
Which of the infections below has the highest risk of causing a transfusion-transmitted infection?
Human T-cell lymphotropic virus (HTLV)-II
Hepatitis B
Hepatitis C
Human immunodeficiency virus (HIV)
4
B
1
null
null
null
null
null
06a3b7d9-47d9-518a-ab8b-34920acaef9d
A 40-year-old, 78-kg patient with hemophilia A is scheduled for a right total knee arthroplasty. His laboratory test results show a hematocrit of 40, a factor VIII level of 0%, and no inhibitors to factor VIII. How much factor VIII concentrate do you need to give him to bring his factor VIII level to 100%?
3000 units
2500 units
2000 units
1500 units
4
A
2
null
null
null
null
null
a9b6ded0-6282-5dee-8e96-4710d5b4193d
A 38-year-old man is undergoing a total colectomy under general
Offset the effects of increased antidiuretic hormone (ADH)
Improve renal blood flow
Convert oliguric renal failure to nonoliguric renal failure
Offset the effects of increased renin
4
A
1
null
null
null
null
null
9ef81354-9a47-5ee4-a07d-cbbe7f78df70
A 65-year-old man involved in a motor vehicle accident (MVA) is brought to the emergency room with a blood pressure of 60 mm Hg systolic. He is transfused with 4 units of type O, Rh-negative whole blood and 4 L of normal saline solution. After the patient is brought to the operating room, his blood type is determined t...
Type A, Rh-positive whole blood
Type O, Rh-negative RBCs
Type A, Rh-positive RBCs
Type O, Rh-negative whole blood
4
B
3
null
null
null
null
null
052a81e0-f89c-5514-96a7-ed190cd828c2
The criterion used to determine how long blood can be stored before transfusion is
90% of transfused erythrocytes must remain in circulation for 24 hours
70% of transfused erythrocytes must remain in circulation for 24 hours
70% of transfused erythrocytes must remain in circulation for 72 hours
75% of transfused erythrocytes must remain in circulation for 7 days
4
B
1
null
null
null
null
null
e8287f52-0ad6-5c83-8cd0-2ca01211eaba
The rationale for storage of platelets at room temperature (22° C) is
There is less splenic sequestration
It preserves platelet survival
It reduces the chance for infection
It decreases the incidence of allergic reactions
4
B
1
null
null
null
null
null
a09e8194-55a2-50ef-a0ae-386822046104
An 18-year-old woman involved in an MVA is brought to the emergency room in shock. She is transfused with 10 units of type O, Rh-negative whole blood over 30 minutes. After infusion of the first 5 units, bleeding is controlled, and her blood pressure rises to 85/51 mm Hg. During the
Citrate toxicity
Hyperkalemia
Hemolytic transfusion reaction
Tension pneumothorax
4
A
1
null
null
null
null
null
5d9e560f-d227-510e-aca4-c7ad6557f0f5
A 20-kg, 5-year-old child with a hematocrit of 40% could lose how much blood and still maintain a hematocrit of 30%?
140 mL
250 mL
350 mL
450 mL
4
C
2
null
null
null
null
null
1c7adc77-5ae9-5bb6-89ef-b0adf57a8fac
A 68-year-old man with recent cardiac stent placement is taking 75 mg clopidogrel (Plavix) daily. He is scheduled for retinal surgery, and a thromboelastogram (TEG) is ordered before surgery. The likely result of the TEG will show
Increased R + K
Increased alpha
Increased MA 30
Normal TEG
4
D
1
null
null
null
null
null
f4a4131e-5448-54b0-b959-b7983f9cec12
Paramedics respond to an MVA site and immediately stabilize the neck, secure the airway, and place an intravenous line into a 19-year-old, 70 kg man lying in a pool of blood. Before the infusion is started, 3 mL of blood are withdrawn for hemoglobin and drug screening. The first responders estimate that the patient has...
9 g/dL
11 g/dL
14 g/dL
17 g/dL
4
D
2
null
null
null
null
null
6c268e92-2b40-525d-b375-a8c5c399453f
In an emergency when there is a limited supply of type O-negative RBCs, type O-positive RBCs are preferable for transfusion for each of the following patients EXCEPT
A 60-year-old woman with diabetes who was involved in an MVA
A 23-year-old man who sustained a gunshot wound to the upper abdomen
An 84-year-old man with a ruptured abdominal aortic aneurysm
A 21-year-old, gravida 2, para 1 woman with placenta previa who is bleeding profusely
4
D
2
null
null
null
null
null
31895ad5-727c-5685-9650-af835efa7e3a
Hetastarch exerts an anticoagulative effect through interference with the function of
Antithrombin III
Factor VIII
Fibrinogen
Prostacyclin
4
B
1
null
null
null
null
null
cf827e1b-98b8-5dba-8863-0ef0f8ce4fd4
All of the following characterize packed RBCs that have been stored for 35 days at 4° C in citrate phosphate dextrose adenine-1 (CPDA-1) anticoagulant preservative EXCEPT
Serum potassium greater than 70 mEq/L
pH less than 7.0
Blood glucose less than 100 mg/dL
P50 of 28
4
D
1
null
null
null
null
null
eaef7c12-76c3-52dd-8f24-83a8c4a07777
Which of the following statements about coagulation factor Xa (FXa)
It is used only to reverse the FXa inhibitors (apixaban and rivaroxaban)
It is used only if the patient has life-threatening or uncontrolled bleeding
Urinary tract infections and pneumonia occur in > 5% of patients
Thromboembolic risks are rare (< 2%) and usually occur within 24 hours
4
D
1
null
null
null
null
null
8f4445f9-a424-552e-a756-8215848bcae0
In the adult, the liver is the primary organ for
Hemoglobin synthesis
Hemoglobin degradation
Factor VIII synthesis
Antithrombin III synthesis
4
D
1
null
null
null
null
null
66c5128f-f0c9-5674-8bc6-28557b0f795c
Anticoagulation with low-molecular-weight heparin (LMWH) can be best monitored through which of the following laboratory tests?
Activated partial thromboplastin time (aPTT)
Anti-Xa assay
Thrombin time
Reptilase test
4
B
1
null
null
null
null
null
6045395f-eb44-5a91-965e-25981522876a
Heparin resistance is likely in patients with which of the following heritable conditions?
Factor V Leiden mutation
Prothrombin *G20210A* gene mutation
Protein S deficiency
Antithrombin or antithrombin III (AT3) deficiency
4
D
1
null
null
null
null
null
b92eaf29-0478-52f4-b3ad-d78ae1c5cb8b
Type 1 von Willebrand disease (vWD) could be treated by any of the following EXCEPT
Cryoprecipitate
Desmopressin (DDAVP)
FFP
Recombinant factor VIII
4
D
1
null
null
null
null
null
a6dd5c71-567f-53de-959a-e946f8d24786
The significance of immunoglobulin A (IgA) antibodies in transfusion medicine is related to
Allergic reaction
Febrile reaction
Delayed hemolytic reaction (immune extravascularreaction)
Diagnosis of TRALI reaction
4
A
1
null
null
null
null
null
f6bea6e9-eb84-50fd-b506-45df4a90f868
The most common cause of mortality associated with administration of blood is
TRALI
Non-ABO hemolytic transfusion reaction
Microbial infection
Anaphylactic reaction
4
A
1
null
null
null
null
null
1cfbf198-823d-5618-81f6-257951f2fd9b
Fluid resuscitation during major abdominal surgery with which of the following agents is associated with the BEST survival data?
5% Albumin
6% Hydroxyethyl starch
Dextran 70
None of the above# Blood Products, Transfusion, and Fluid Therapy#
4
D
1
null
null
null
null
null
8a7fa05f-087d-536d-b9ff-95cc8c8acd5e
A 78-year-old patient with a history of hypertension and adult-onset diabetes for which she takes chlorpropamide (Diabinese) is admitted for elective cholecystectomy. On the day of admission, blood glucose is noted to be 270 mg/dL, and the patient is treated with 15 units of regular insulin subcutaneously (SQ) in addit...
Insulin
Chlorpropamide
Hypovolemia
Effect of general anesthesia
4
B
3
null
null
null
null
null
a5f78a37-12b3-5eef-96cc-94d691401d2f
Select the TRUE statement.
Dibucaine is an ester-type local anesthetic
A dibucaine number of 20 is normal
The dibucaine number represents the quantity of normal pseudocholinesterase
None of the above
4
D
1
null
null
null
null
null
fb2c8672-644d-5f89-99db-8af43677f6b8
Normal tracheal capillary pressure is
10 to 15 mm Hg
15 to 20 mm Hg
25 to 30 mm Hg
35 to 40 mm Hg
4
C
1
null
null
null
null
null
3ea9ec06-fa05-5194-96bc-7353fad9c91a
How many hours should elapse before performing a single-shot spinal anesthetic in a patient who is receiving 1 mg/kg enoxaparin (Lovenox) twice a day for the treatment of a deep vein thrombosis?
6 hours
12 hours
24 hours
48 hours
4
C
1
null
null
null
null
null
da7717ae-64b3-58f3-895a-ee67e1f3c45e
A 46-year-old female with low back pain and left-sided L4 radiculopathy presents for an L4/L5 lumbar discectomy. Her past medical history includes hypothyroidism, insulin-dependent diabetes type 1, and chronic low back pain, for which she is maintained on sublingual buprenorphine/naloxone, with the last dose having bee...
DECREASED response due to upregulation of the cytochrome P450 system
DECREASED response secondary to opioid receptor antagonism by naloxone
DECREASED response due to high-affinity binding of buprenorphine to the opioid receptor
No DIFFERENCE in response IF an opioid agonist with a high binding affinity is administered
4
C
3
null
null
null
null
null
546cf858-77bb-5652-82ee-1c459364571c
Which of the following is the most plausible explanation for the lack of analgesia with codeine administration?
Lack of CYP2D6 enzyme
VKORC1 polymorphism
CYP3A4 polymorphism
Lack of μ receptors
4
A
1
null
null
null
null
null
03b34005-eea0-5125-9bc7-9346ce5a4373
A 62-year-old patient with a bare-metal stent in the mid portion of the left anterior descending artery is scheduled for rotator cuff repair under general anesthesia. The stent was placed 6 weeks before surgery, and the patient is on dual therapy (aspirin and clopidogrel). Which of the paradigms below would be best for...
Continue both up to the day of surgery
Stop both 7 to 10 days before surgery
Stop aspirin and continue clopidogrel
Stop clopidogrel and continue aspirin
4
D
2
null
null
null
null
null
98052853-5b6a-53e8-a0c4-ea2bca24853b
A patient with which of the following eye diseases would be at greatest risk for retinal damage from hypotension during surgery?
Strabismus
Open eye injury
Glaucoma
Severe myopia
4
C
2
null
null
null
null
null
dc435ce7-d0b8-57c7-ab81-a307f2e206bb
Naltrexone is
A narcotic with local anesthetic properties
An opioid agonist-antagonist similar to nalbuphine
A pure opioid antagonist with a shorter duration of action than naloxone
An opioid antagonist used for treatment of previously detoxified heroin addicts
4
D
1
null
null
null
null
null
0fc4ff53-d231-566b-a40c-e227d0c54b72
Which of the following mechanisms is most frequently responsible for hypoxia in the recovery room?
Ventilation/perfusion mismatch
Hypoventilation
Hypoxic gas mixture
Intracardiac shunt
4
A
1
null
null
null
null
null
b41a2c50-fa60-5275-92e4-24428d38651b
Hypoparathyroidism secondary to the inadvertent surgical resection of the parathyroid glands during total thyroidectomy typically results in
1 to 2 hours
3 to 12 hours
12 to 24 hours
24 to 72 hours
4
D
1
null
null
null
null
null
c386c191-5503-5110-90e4-284446a23dc4
Damage to which nerve may lead to wrist drop?
Radial
Axillary
Median
Ulnar
4
A
1
null
null
null
null
null
d5a5aab5-1296-52e4-9254-d83e507e9b74
A 25-year-old woman with a body mass index (BMI) 42 kg/m2 is to be anesthetized for laparoscopic bariatric surgery. She has a history of knee pain while walking. She has no medication allergies and takes multivitamins and an oral contraceptive. Her American Society of Anesthesiologists (ASA) designation should be
ASA I
ASA II
ASA III
ASA IV
4
C
2
null
null
null
null
null
415b0d39-9787-51c5-8d93-a7770a015243
A 6-year-old child is transported to the recovery room after a tonsillectomy. The patient was anesthetized with isoflurane, fentanyl, and N2O. Twenty minutes before emergence and tracheal extubation, droperidol was administered. The anesthesiologist is called to the recovery room because the patient is "making strange ...
Dantrolene
Diazepam
Glycopyrrolate
Diphenhydramine
4
D
2
null
null
null
null
null
d379024c-2206-5056-baaf-6f6f6b1aa2ce
A 22-year-old with multiple medical problems lists 5-HT3 antagonists on her allergy band. With which of the medications listed below was this allergy most likely discovered?
Granisetron (Kytril)
Paroxetine (Paxil)
Milrinone
Cyproheptadine (Periactin)
4
A
1
null
null
null
null
null
6b30a94e-c11f-5238-90d2-e286652cf9d9
Pheochromocytoma would be MOST likely to coexist with which of the following?
Insulinoma
Pituitary adenoma
Primary hyperaldosteronism (Conn syndrome)
Medullary carcinoma of the thyroid
4
D
1
null
null
null
null
null
4c2d6c5c-22b4-59f6-a9e3-f91418ac67a7
Which of the following oral antidiabetic drugs is unique in that it does NOT produce hypoglycemia when administered to a fasting patient?
Glyburide (Micronase)
Glipizide (Glucotrol)
Tolbutamide (Orinase)
Metformin (Glucophage)
4
D
1
null
null
null
null
null
72d82014-1e11-5665-a6ae-d5595bf4335d
The onset of delirium tremens (DTs) after abstinence from alcohol usually occurs in
8 to 24 hours
24 to 48 hours
2 to 4 days
4 to 7 days
4
C
1
null
null
null
null
null
010bbc6b-5e57-55cd-81ce-d676d5945b6d
A 78-year-old retired coal miner with an intraluminal tracheal tumor is scheduled for tracheal resection. Which of the following is a relative contraindication for tracheal resection?
Need for postoperative mechanical ventilation for underlying lung disease
Tumor located at the carina
Documented liver metastases
Ischemic heart disease with a history of CHF
4
A
1
null
null
null
null
null
be11c44c-09b3-552e-a816-7c7469a14665
A 78-year-old patient with multiple myeloma is admitted to the intensive care unit (ICU) for treatment of hypercalcemia. The primary risk associated with anesthetizing patients with hypercalcemia (levels of 14-16 mg/dL) is
Coagulopathy
Cardiac dysrhythmias
Hypotension
Laryngospasm
4
B
1
null
null
null
null
null
15f2f646-37f0-5765-a13d-e38b6ea79d2a
A normal, healthy 3-year-old child was involved in a motor vehicle accident (MVA). He is coming emergently to the OR. Drug doses need to be calculated, but his weight is not known. What value should be used to estimate the 3-year-old child's weight?
8 kg
10 kg
12 kg
14 kg
4
D
2
null
null
null
null
null
1dc81dce-3455-5ea0-a5ea-d7b333f03c5e
A 16-year-old patient presents for extraction of multiple teeth. In her history, it is noted that she is on a ketogenic diet. The likely reason for this is history of
Phenylketonuria (PKU)
Mitochondrial myopathies
Intractable seizures
Glycogen storage disease
4
C
1
null
null
null
null
null
8b6cb8b6-d176-5dd9-932c-85fbd8fb4f72
A 28-year-old obese patient has diminished breath sounds bilaterally at the lung bases 18 hours after an emergency appendectomy under general anesthesia. Which of the following maneuvers would be LEAST effective in preventing postoperative pulmonary complications in this patient?
Coughing
Voluntary deep breathing
Performing a forced vital capacity (FVC)
Use of incentive spirometry
4
C
2
null
null
null
null
null
0f6fe6ab-a9e6-55b5-99c2-c8f3af566017
Easily discernable improvement in patient outcomes can be observed through which measure of quality improvement?
Process measure (e.g., timing of antibiotics with incision)
Structural measures (e.g., electronic medical record)
Outcome measures (e.g., incidence of wound infection)
None of the above
4
D
1
null
null
null
null
null
9cd2ea07-7a22-5e21-8461-56a192e4a2c5
The mechanism of action of clopidogrel is
Adenosine diphosphate (ADP) receptor blockade (P2Y12 )
Platelet glycoprotein IIB/IIIa antagonism
Cyclooxygenase COX-1 and COX-2 inhibition
Direct thrombin inhibition
4
A
1
null
null
null
null
null
0f0e43cc-1956-5010-8116-df83ae65e7dc
Which of the following is most closely associated with minimum alveolar concentration (MAC)?
Blood/gas partition coefficient
Oil/gas partition coefficient
Vapor pressure
Brain/blood partition coefficient
4
B
1
null
null
null
null
null
dd1bf381-de88-581d-a86b-443fcacb4085
By federal law, any breach in protected health information (PHI) must be disclosed to
Department of Health and Human Services (HHS)
Department of Justice (DOJ)
Joint Commission on Accreditation of Healthcare Organizations (JCAHO)
American Accreditation HealthCareCommission/Utilization Review Accreditation Commission (AAHC/URAC)
4
A
1
null
null
null
null
null
f68b1281-6a50-5538-8c0f-7d19a9fa41ff
Scopolamine should not be given as a premedication in patients with which of the following neurologic diseases?
Parkinson disease
Alzheimer disease
Multiple sclerosis
Narcolepsy
4
B
2
null
null
null
null
null
489291fb-881c-524f-a9bb-a36c987a9981
A 53-year-old woman with endometrial cancer is undergoing an abdominal hysterectomy under general anesthesia with desflurane. During the first hour of anesthesia, urine output is 100 mL. Blood loss is minimal. When the patient is placed in the Trendelenburg position, the urine output declines to virtually zero. The mos...
Pooling of urine in the dome of the bladder
Increased central venous pressure
Increased antidiuretic hormone (ADH) production from surgical stimulation
Hypovolemia
4
A
1
null
null
null
null
null
e7672693-a843-5f92-8177-2b43ccbe77a6
Which of the following diseases is NOT associated with a decrease in DLCO?
Emphysema
Obesity
Pulmonary emboli
Anemia
4
B
1
null
null
null
null
null
274047ee-7a2b-5d35-85d9-7cdc21ee48c5
Each of the following postoperative complications of thyroid surgery can result in upper airway obstruction EXCEPT
Cervical hematoma
Tetany
Bilateral superior laryngeal nerve injury
Bilateral recurrent laryngeal nerve injury
4
C
1
null
null
null
null
null
fe6d872e-0578-5352-a5af-7f733bacf22b
The MOST sensitive early sign of malignant hyperthermia (MH) during
Tachycardia
Hypertension
Fever
Increased end-expiratory CO2 tension (PECO2 )
4
D
1
null
null
null
null
null
b0e52779-b673-594d-af2c-7a5231193c5a
A 78-year-old woman is anesthetized for a right hemicolectomy for 3 hours. At the end of the operation the patient's blood pressure is 130/85 mm Hg, heart rate is 84 beats/min, core body temperature is 35.4° C, and PECO2 on infrared spectrometer is 38 mm Hg. Which of the following would be the LEAST plausible reason fo...
Residual neuromuscular blockade
Narcotic overdose
Unrecognized obstructive pulmonary disease and high baseline PaCO2
Persistent intraoperative hyperventilation
4
D
3
null
null
null
null
null
d8cfb00d-cb9b-5f68-8eef-96f3ca98500d
A 68-year-old woman with severe rheumatoid arthritis undergoes pulmonary function evaluation before an elective abdominal surgery. Forced expiratory volume in 1 second (FEV1 ) and FVC are within normal limits; however, the maximum voluntary ventilation (MVV) is only 40% of predicted. The next step in the pulmonary func...
Obtain ABGs on room air
Obtain a flow-volume loop
Obtain a measurement of peak flow
Obtain a ventilation/perfusion scan
4
B
2
null
null
null
null
null
ddcff4e4-976d-5848-941f-7f4e2dd82279
Which of the following is NOT a component of the postanesthetic discharge scoring system (PADSS) used to evaluate the suitability of a patient to be discharged from an ambulatory surgical facility?
Drinking
Ambulation
Absence of nausea and vomiting
Pain control
4
A
1
null
null
null
null
null
10182cf3-a6a5-599c-bbd6-baf2621d8fc5
During emergency repair of a mandibular jaw fracture in an otherwise healthy 19-year-old man, the patient's temperature is noted to rise from 37° C on induction to 38° C after 2 hours of surgery. Which of the
Normal heart rate and blood pressure
History of negative caffeine-halothane contracture test carried out 6 months earlier
History of an uncomplicated general anesthetic at age 16 years with halothane and succinylcholine
Normal ABGs drawn when the patient's temperature reached 38° C
4
C
2
null
null
null
null
null
033568cb-b4c6-5eb3-8f00-635d5a311021
Which of the following drugs is useful in the treatment of asthma by specifically interfering with the leukotriene pathway?
Fluticasone (Flovent)
Ipratropium bromide (Atrovent)
Triamcinolone (Azmacort)
Montelukast (Singulair)
4
D
1
null
null
null
null
null
3cd9244b-875e-5376-abdb-85052ebef77c
A 68-year-old, 100-kg patient is undergoing a transurethral resection of the prostate gland under general anesthesia. Upon arrival in the recovery room, the patient appears restless and confused. Serum sodium is checked and found to be 110 mEq/L. How many mEq of sodium are needed to raise the serum [Na + ] to 120 mEq/L...
300 mEq
400 mEq
500 mEq
600 mEq
4
D
2
null
null
null
null
null
6c2f6582-6086-5de4-bf95-2773167e176f
Which of the intravenous (IV) anesthetics below is LEAST useful in the treatment of status epilepticus?
Phenobarbital
Dexmedetomidine
Propofol
Midazolam
4
B
1
null
null
null
null
null
e720670b-968c-5856-bffb-bdeb6973d050
A 45-year-old man is brought to the OR emergently for repair of a ruptured abdominal aortic aneurysm. Anesthesia is induced with ketamine 2 mg/kg IV, and tracheal intubation is facilitated with succinylcholine 1.5 mg/kg IV. Immediately after tracheal intubation, the patient's blood pressure falls from 110/80 to 50/20 m...
Hypovolemia
Direct myocardial depression from ketamine
Vasovagal response to direct laryngoscopy
Arteriolar vasodilation from succinylcholine-mediated histamine release
4
B
3
null
null
null
null
null
9b0a97e0-90bd-53b0-89e8-6f16e135b47f
MH is believed to involve a generalized disorder of membrane permeability to
Sodium
Potassium
Calcium
Magnesium
4
C
1
null
null
null
null
null
397878e9-f783-51f3-87db-42fe3e75cbda
A 25-year-old man with a history of testicular cancer is scheduled to undergo an exploratory laparotomy under general anesthesia. He has received bleomycin for metastatic disease. Which of the following is an important consideration concerning the pulmonary toxicity of bleomycin?
N2O should not be used
Preoperative pulmonary function tests should be obtained
The patient should be ventilated at a slow rate and inspiratory-to-expiratory (I:E) ratio of 1:3
FIO2 should be less than 0.3
4
D
2
null
null
null
null
null
59086aaa-d8ba-5a05-bb38-bb6042a9e505
A 39-year-old obese woman undergoes an abdominal hysterectomy under general anesthesia. Induction of anesthesia is uneventful. SaO2 is 98% during the first 15 minutes of the operation, with 50% oxygen and 50% N2O. Then, at the request of the surgeon, N2O is discontinued (now 50% oxygen, 50% N2 ), the head is flexed, an...
Diffusion hypoxia
Decreased functional residual capacity (FRC)
Mainstem intubation
Decreased cardiac output
4
C
3
null
null
null
null
null
64599e0f-f87a-5854-87d3-63b7fd42a4dc
How long after intravitreal injection of sulfur hexafluoride and air can N2O be used without risk of increasing intraocular pressure?
1 hour
24 hours
10 days
1 month
4
C
1
null
null
null
null
null
4ec7da92-0f64-5ded-81ab-241ae9ec105d
A 54-year-old woman is undergoing a total thyroidectomy under general anesthesia. The patient is awakened in the OR, the mouth and pharynx are suctioned, and after intact laryngeal reflexes are demonstrated, the endotracheal tube is removed. Two days later, the anesthesiologist is consulted because the patient has seve...
Damage to the recurrent laryngeal nerve
Hematoma
Tracheomalacia
Hypocalcemia
4
D
2
null
null
null
null
null
8f15bf5c-078c-5553-88a9-e1eb599f0923
A 27-year-old obese woman is scheduled to undergo foot surgery under general anesthesia. She underwent a subtotal thyroidectomy 3 years ago and takes levothyroxine (Synthroid). Which of the following laboratory tests would be the MOST useful in evaluating whether this patient is euthyroid?
Total plasma thyroxine (T4 )
Total plasma triiodothyronine (T3 )
Thyroid-stimulating hormone (TSH)
Resin triiodothyronine uptake
4
C
2
null
null
null
null
null
d468ab08-0470-5ad4-a2c9-2e52ae7d2de8
An 85-year-old man with no previous medical history except for cataracts is undergoing a transurethral resection of the prostate gland under spinal anesthesia. Twenty minutes into the procedure the patient becomes restless. Over the next 20 minutes, his blood pressure increases from 110/70 to 140/90 mm Hg and his heart...
Volume overload
Hyponatremia
High spinal
Bladder perforation
4
A
2
null
null
null
null
null
753360f8-7993-59e7-9efd-6b712764eb07
A 17-year-old patient with third-degree burns over 30% of his body is scheduled for débridement and skin grafting 12 days after sustaining a thermal injury. Select the TRUE statement regarding the use of depolarizing and nondepolarizing muscle relaxants in this patient, compared with normal patients.
Sensitivity to both depolarizing and nondepolarizing muscle relaxants is increased
Sensitivity to both depolarizing and nondepolarizing muscle relaxants is decreased
Sensitivity to depolarizing muscle relaxants is increased while sensitivity to nondepolarizing muscle relaxants is decreased
Sensitivity to depolarizing muscle relaxants is decreased while sensitivity to nondepolarizing muscle relaxants is increased
4
C
2
null
null
null
null
null
024ad1f1-1d24-5bfa-9db0-cf0018244ed8
A patient undergoes parotid gland removal under general anesthesia. Each of the following assesses facial nerve function EXCEPT
Clenching teeth
Closing eyes
Pursing lips
Eyebrow lift
4
A
1
null
null
null
null
null
640ff256-e11d-53f8-a69b-4f2818a89342
A 65-year-old patient with a history of chronic obstructive pulmonary disease (COPD) and coronary artery disease (CAD) undergoes a laparoscopic nephrectomy uneventfully under general desflurane anesthesia. In the recovery room, ABGs are as follows: PaO2 60 mm Hg, PaCO2 50 mm Hg, pH 7.35, and hemoglobin 8.1 g/dL. Which ...
Administration of 100% O2 with a close-fitting mask
Administration of 35% O2 with a Venturi mask
Administer 1 ampule of HCO3
Transfuse with 2 units of packed red blood cells (RBCs)
4
D
3
null
null
null
null
null
66084e01-d0c0-556d-a213-53071fb46c24
Allergic reactions occurring during the immediate perioperative period are MOST commonly attributable to administration of
Muscle relaxants
Local anesthetics
Antibiotics
Opioids
4
A
1
null
null
null
null
null
591e2cc0-473e-5aa8-8fb7-0ef659f15d62
Caution is advised when using succinylcholine in patients with Huntington chorea because
They are at increased risk for MH
Potassium release may be excessive
They may have a decreased concentration of pseudocholinesterase
There may be adverse interactions between succinylcholine and phenothiazine
4
C
1
null
null
null
null
null
bfcd5ee3-6e75-5d28-abb9-e391e6b1c403
Which of the following would NOT result in an increase in intraocular pressure?
Increase in PaCO2 from 35 to 40 mm Hg
100 mg intramuscular (IM) succinylcholine
Acute rise in venous pressure from coughing
100 mg IV succinylcholine in a patient in whom eye muscles have been detached from the globe
4
A
2
null
null
null
null
null
2ce4afbb-7cfd-5af9-8155-9f47b8a3f8ad
An apnea-hypopnea index (AHI) of 30 means
Episodes of hypopnea are 30 times more common than apnea
Apnea/hypopnea episodes occur at a rate of 30 per sleep cycle
Episodes of apnea and hypopnea occur at a rate of 30 per hour
Apnea/hypopnea episodes last 30 seconds
4
C
1
null
null
null
null
null
1528f9a4-0547-5f1f-a052-c4913be97992
A 26-year-old man is undergoing an emergency exploratory laparotomy under general anesthesia with isoflurane. SaO2 is 89% on the pulse oximeter. PaO2 on ABGs is 77 mm Hg. The patient's core body temperature is 35° C. What is the corrected PaO2?
68 mm Hg
72 mm Hg
77 mm Hg
86 mm Hg
4
A
2
null
null
null
null
null
e51598a7-a498-5057-9eff-7c9c3837ee98
Low-molecular-weight heparin (LMWH)
Is as likely to cause heparin-induced thrombocytopenia (HIT) as unfractionated heparin
Should be monitored with partial thromboplastin time (PTT) for clinical effect
Can be fully reversed with protamine
LMWH has a longer plasma half-life than unfractionated heparin
4
D
1
null
null
null
null
null
fa4627c6-4d6c-51ff-9fd1-da4da364b0dc
In a given patient, if a creatinine of 1.0 corresponds to a glomerular filtration rate (GFR) of 120 mL/min, a creatinine of 4.0 would correspond to
20 mL/min
30 mL/min
40 mL/min
50 mL/min
4
B
2
null
null
null
null
null
0b9524b1-7a1a-5bd9-84a1-bcaa8dd77bd8
The incidence of each of the following is increased in patients with Down syndrome (trisomy 21) EXCEPT
MH
Congenital heart disease
Smaller trachea
Occipito-atlantoaxial instability
4
A
1
null
null
null
null
null
81514478-8cab-5936-b4eb-3e73cdbe80a5
A 55-year-old man is to undergo a laparoscopic cholecystectomy under general anesthesia. The patient has a 40-pack-per-year smoking history and a history of CHF. The patient receives metoclopramide and scopolamine preoperatively. General anesthesia is induced with
Emergence delirium from ketamine anesthesia
Effect of scopolamine
Effect of Trendelenburg position
Corneal abrasion
4
B
2
null
null
null
null
null
b41d584d-93b6-5b55-8320-b8669a82046b
MH and neuroleptic malignant syndrome share each of the following characteristics EXCEPT
Generalized muscular rigidity
Hyperthermia
Effectively treated with dantrolene
Flaccid paralysis after administration of vecuronium
4
D
1
null
null
null
null
null
dfd07f09-681a-5265-95a1-ed786aa6eb6b
What of the following statements about vasopressin is true?
It has a potent vasopressor effect at high doses in normal subjects
Plasma levels are inappropriately high in patients immediately after cardiopulmonary bypass
Plasma levels are inappropriately low in the setting of septic shock
It causes pulmonary vasoconstriction secondary to inhibition of endothelial nitric oxide release
4
C
1
null
null
null
null
null
de747cef-8514-5a26-930d-eb4db464e398
Remifentanil is metabolized primarily by
Kidneys
Liver
Nonspecific esterases
Pseudocholinesterase
4
C
1
null
null
null
null
null
8a67ab16-d1b2-528d-80b6-1b050b66de14
A term infant with good muscle tone and strong cry has an 83% saturation on room air 5 minutes after delivery. The MOST appropriate action at this point would be
Bag and mask ventilation with 100% oxygen
Intubate and ventilate with 100% oxygen
Spontaneous breathing with 100% oxygen
Observe
4
D
2
null
null
null
null
null
825dbce1-705f-5f0a-ad72-58d66b66076a
Patients who undergo extracorporeal shock wave lithotripsy are at increased risk for
Venous air embolism
Pneumothorax
Hypotension with regional anesthesia at the end of the procedure
Postdural puncture headache with spinal anesthesia
4
C
1
null
null
null
null
null
daf11f50-801d-57af-ab79-604f3ebea8d6
The most common reason for admitting outpatients to the hospital following general anesthesia is
Nausea and vomiting
Inability to void
Inability to ambulate
Surgical pain
4
A
1
null
null
null
null
null
97695799-6984-5d4e-9cbc-22e3f85df8c4
A 37-year-old man with myasthenia gravis arrives in the emergency room confused and agitated after a 2-day history of weakness and increased difficulty breathing. ABGs on room air are PaO2 60 mm Hg,
Tracheal intubation and mechanical ventilation
Repeat the test dose of edrophonium
Administer neostigmine
Administer atropine for cholinergic crisis
4
A
3
null
null
null
null
null
09f593cf-2fb1-527c-a618-7d41efba2dba
Select the FALSE statement regarding tramadol (Ultram).
Ondansetron may interfere with part of tramadol's analgesia
Tramadol is associated with seizures in patients taking selective serotonin reuptake inhibitors (SSRIs)
It is relatively safe in patients whose pain makes them suicidal
Its analgesic effects are partially antagonized by naloxone
4
C
1
null
null
null
null
null
8cca68e1-d858-5b31-b606-9c31f0af4138
In statistical hypothesis testing, if the *P* value is less than the
The observed result is unlikely under the null hypothesis
The observed result is unlikely under an alternative hypothesis
The sample size is too small
The predetermined power is too low
4
A
1
null
null
null
null
null
c13e4393-e6bf-5640-a739-095844c67f00
A 72-year-old man undergoes emergency repair of an abdominal aortic aneurysm. In the first hour after release of the suprarenal cross-clamp, urine output is only 10 mL. After administration of furosemide 20 mg IV, urine output increases to 100 mL/hr. Urine [Na + ] is 43 mEq/L, and urine osmolality is 210 mOsm/L. The MO...
Increased ADH
Renal hypoperfusion
Acute tubular necrosis
Impossible to differentiate
4
D
3
null
null
null
null
null
2dc4d702-8cc7-505e-8076-c401e2e1fc18
Brice Questionnaire is used to estimate
Risk of sleep apnea
Intraoperative awareness
Postoperative nausea and vomiting (PONV)
Suitability for postanesthesia care unit (PACU) discharge
4
B
1
null
null
null
null
null
e6fe2e8e-fe0d-5380-9954-6c0bd3b38a4a
A 40-year-old man is undergoing a left inguinal hernia repair under general anesthesia in San Diego, California. N2O is administered at 3 L/min, O2 at 1 L/min, and isoflurane at 0.85%. What MAC is this patient receiving?
0.8
1.25
1.50
1.75
4
C
2
null
null
null
null
null
8eeb584b-f6ae-50d3-ad72-a6d1589445d2
An otherwise healthy 140-kg, 24-year-old man is scheduled for vocal cord surgery under general anesthesia. Which of the following statements concerning his cardiac output at 140 kg compared with his cardiac output at his ideal body weight (70 kg) is CORRECT?
Cardiac output is the same
Cardiac output is increased by 10%
Cardiac output is increased by 50%
Cardiac output is doubled
4
D
2
null
null
null
null
null
85e394c1-e802-5d39-a612-075db7f33d92
After a single 150-mg dose of propofol to a 75-kg healthy patient, which of the following statements is FALSE?
The peak plasma concentration is reached in < 1 minute
The peak plasma concentration of propofol is 7 to 8 μg/mL
The therapeutic plasma concentration range for propofol is 1.5-5 μg/mL
It takes about 15 to 20 minutes for the drug level to fall to a subtherapeutic level
4
D
1
null
null
null
null
null
412fe940-5c4e-5c94-b239-86900fe4f053
A 58-year-old hemophiliac is scheduled for total knee arthroplasty. His factor VIII levels are 35% of normal. Which of the following would be the most appropriate therapy before surgery?
Administer sufficient cryoprecipitate to raise factor VIII levels to 50% normal
Administer factor VIII concentrates to achieve levels of 100% normal
Transfuse fresh frozen plasma until factor VIII levels are 100% normal
None of the above
4
B
2
null
null
null
null
null
50ed1df7-f2af-5ea1-9d6a-412fcc4bf201
A 16-year-old boy whose maternal uncle has hemophilia A is scheduled for wisdom tooth extraction. Which test below would be the best screening test for hemophilia A?
PTT
Prothrombin time (PT)
Thrombin time
Bleeding time
4
A
1
null
null
null
null
null
5f63f959-b2ba-5b4b-aee7-5c43ee427a88
Five minutes after a single 150-mg dose of propofol to a 75-kg patient, which of the following is most likely regarding the cytosol
The concentration in the brain would be rising
The concentration in the spinal cord would be rising
The concentration in the leg muscles would be falling
The concentration in fat would be rising
4
D
2
null
null
null
null
null
ebb5b8d0-edd3-54ae-99ad-e52c4ac0b042
A 57-year-old man is undergoing a right eye enucleation under general anesthesia. The patient has no history of cardiac disease. During the operation, 5-mm ST-segment elevation is noted on lead II, and the patient develops complete heart block. The coronary artery most likely affected is
Circumflex coronary artery
Right coronary artery
Left main coronary artery
Left anterior descending coronary artery
4
B
2
null
null
null
null
null