Pharmacy and Pharmacology · Task 1C - Calculate medications, fluid therapy rate, and continuous rate infusions based on the appropriate dosage in compliance with veterinarian's orders.
A 25-kg dog is receiving lactated Ringer's solution (LRS) at a maintenance rate of 60 mL/kg/day. The veterinarian orders a metoclopramide continuous rate infusion (CRI) at 1.5 mg/kg/day to be added directly to a new 1,000-mL bag of LRS. Metoclopramide is available at a concentration of 5 mg/mL. Before adding the medication, the veterinary technician removes an equivalent volume of fluid so the final volume in the bag remains 1,000 mL. What volume of metoclopramide (5 mg/mL) must be added to the 1,000-mL bag?
Answer and explanation
Correct answer: D
At 60 mL/kg/day, the dog receives 1,500 mL/day and 37.5 mg/day of metoclopramide. A 1,000-mL bag holds two-thirds of the daily volume (25 mg), requiring 5 mL of 5 mg/mL stock; 7.5 mL is the full 24-hour volume.
Q2Question 2
Beginner
Pharmacy and Pharmacology · Task 1C - Calculate medications, fluid therapy rate, and continuous rate infusions based on the appropriate dosage in compliance with veterinarian's orders.
On a hospitalized patient's treatment sheet, a veterinarian writes an order to administer an ophthalmic ointment "1/4 inch strip OD q6h" and an otic medication "4 drops AU b.i.d." Based on accepted veterinary prescription abbreviations, this order instructs the technician to apply the ophthalmic ointment into the _____ four times daily and the otic drops into both ears twice daily.
Answer and explanation
Correct answer: B
In veterinary prescription nomenclature, OD (oculus dexter) designates the right eye, whereas OS indicates the left eye, OU indicates both eyes, and AD indicates the right ear.
Q3Question 3
Intermediate
Surgical Nursing · Task 2I - Sterilize equipment and supplies by the appropriate method (including but not limited to steam, gas).
During routine quality assurance testing of a clinic's steam autoclave, a surgical technician places a vial containing Geobacillus stearothermophilus spores inside the center of a standard surgical pack before running a sterilization cycle. What is the specific function of this indicator, and how must its outcome be handled?
Answer and explanation
Correct answer: C
Biological indicators containing heat-resistant spores directly confirm microbial lethality of the sterilization cycle rather than simple temperature exposure, and their results must be recorded in a log.
Q4Question 4
Advanced
Surgical Nursing · Task 2I - Sterilize equipment and supplies by the appropriate method (including but not limited to steam, gas).
While processing reusable cloth surgical drapes and gowns contaminated with infectious exudate from a septic peritonitis surgery, which decontamination, laundering, and packaging protocol must the technician follow prior to steam sterilization?
flowchart LR
A[Infectious Surgical Linen] --> B[Presoak Step]
B --> C[Machine Wash Cycle]
C --> D[High-Temp Drying]
D --> E[Pack Assembly with QC Indicator]
E --> F[Steam Autoclave]
Answer and explanation
Correct answer: C
Infectious laundry must be presoaked in a 9:1 water-to-bleach solution, washed, and dried at high temperatures (65-70°C) before packing with a sterility indicator; autoclaving soiled linen sets protein stains.
Q5Question 5
Intermediate
Dentistry · Task 3C - Perform Comprehensive Oral Health Assessment and Treatment (COHAT) (including but not limited to scaling and polishing; manual and machine).
While performing a Comprehensive Oral Health Assessment and Treatment (COHAT) on an anesthetized beagle, a veterinary technician uses a powered ultrasonic scaler to remove heavy supragingival calculus from the maxillary fourth premolars. Which technique prevents iatrogenic thermal pulp necrosis and enamel damage during mechanical scaling?
Answer and explanation
Correct answer: A
Adapting the lateral surface of the ultrasonic tip at 0-15 degrees with adequate water coolant and limiting contact time prevents thermal pulpitis, whereas pointing the tip at 90 degrees gouges enamel.
Q6Question 6
Advanced
Laboratory Procedures · Task 4C - Perform laboratory tests and procedures (including but not limited to microbiology, serology, cytology, hematology, urinalysis, and parasitology).
A mixed-animal veterinary hospital receives an EDTA-anticoagulated whole blood sample collected from a 4-year-old Holstein cow and another EDTA blood sample from a 6-year-old Labrador Retriever. Because a courier vehicle was delayed, the canine sample remained in warm transit for 16 hours before arriving at the clinic laboratory, whereas the bovine sample was collected on-site 10 minutes before processing.
The veterinary technician analyzes both samples on an automated hematology analyzer, which directly measures mean corpuscular volume (MCV) and red blood cell (RBC) count to generate a calculated hematocrit using the formula HCT = (MCV x RBC count) ÷ 10. To cross-check the automated values, the technician also prepares microhematocrit capillary tubes from both samples to measure the spun packed cell volume (PCV).
When setting up the microhematocrit centrifuge for both species and interpreting discrepancies between the calculated HCT and spun PCV, which centrifugation protocol and hematologic interpretation are correct?
Answer and explanation
Correct answer: C
Ruminant RBCs do not pack as readily and require 10 minutes of centrifugation versus 3 minutes in dogs. Prolonged storage causes RBC swelling, which increases MCV and falsely elevates calculated HCT.
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