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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Pharmacy and Pharmacology | 12% | - Medication Preparation
|
| Topic 2: Animal Care and Nursing | 20% | - Patient Care
|
| Topic 3: Pain Management and Analgesia | 7% | - Pain Control
|
| Topic 4: Diagnostic Imaging | 7% | - Imaging Techniques
|
| Topic 5: Anesthesia | 15% | - Anesthetic Procedures
|
| Topic 6: Laboratory Procedures | 12% | - Diagnostic Testing
|
| Topic 7: Emergency Medicine and Critical Care | 8% | - Emergency Procedures
|
| Topic 8: Dentistry | 8% | - Dental Procedures
|
| Topic 9: Surgical Nursing | 11% | - Perioperative Procedures
|
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NEW QUESTION # 637
A Doppler is a device used to indirectly measure what key indicator?
Answer: B
Explanation:
Doppler measurement is a noninvasive means of measuring indirect blood pressure by detecting blood flow under the skin surface and converting this information to sound.
Doppler devices measure blood pressure, not urine output, tidal volume, or breaths per minute.
NEW QUESTION # 638
Generally speaking, all of the following items would be safe to use in or near an MRI unit, except which one?
Answer: A
Explanation:
Generally speaking, metal is always unsafe near the MRI unit. The magnetic field is always on, so it is never safe to take metal objects into the room unless they are specifically designed for MRI use (which is rare).
Assume any iron-containing metals are unsafe near the MRI unit. If you don't know a metal object's complete makeup, it is safer to assume it will be attracted to the magnetic field and, thus, should be avoided.
The more ferromagnetic (iron-containing) a material, the more likely it will be attracted to the magnetic field. This renders iron, nickel, cobalt, and some stainless steel unsafe to be taken near the unit.
Microchips will produce an artifact but are safe within the MRI.
Contrast studies are feasible despite the strong magnetic field in an MRI. Paramagnetic contrast agents must be used. Unlike the contrast agents used in CT, gadolinium does not react with the magnetic field. It can be used to help enhance tissue images and display vascular areas and pathology within areas of concern.
Many people and animals have metal implants, from hip replacements to pins, from surgical orthopedic repair. These products are usually made of titanium due to their strength properties and the body's ability to accept the implanted material. Many people and animals need imaging done even with implants, and titanium, a non-magnetic, non-iron-containing metal, remains safe to use in or around MRI units.
NEW QUESTION # 639
Recognizing normal behaviors of various species is critical to a technician's ability to properly approach, interact with, and handle that animal. Knowing what behaviors, for example, two horses may perform for each other may help you determine where safe handling and touching may occur.
Which of the following describes allogrooming?
Answer: D
Explanation:
Allogrooming describes the act of two horses standing together shoulder to shoulder, each grooming the other. They may do so at the withers, back, or neck, and this means that those areas are likely acceptable places for you to pet them, since they are comfortable for other horses to groom them.
Nose-to-nose greetings allow horses to use scent and odor to evaluate other horses. They obtain a variety of clues from the scent of others. While this may not assist with touching the horse, use caution with perfumes and other strong scents, as that could offend the horse and make handling more difficult.
Some horses will use auditory signals commonly for communication. Adults may whinny, nicker, snort, or squeal. Foals will often engage in a behavior referred to as snapping, chomping, or teeth clapping. The foal will pull its lips back and quickly snap the teeth multiple times. Sometimes, they will also suck or tongue-click. Foals may use this behavior upon approaching adult horses, when an adult horse directs anger or aggression toward them, even when approached by other species, including humans. This can signal fear, or it can occur for unknown reasons. However, be aware that it can happen and use caution.
While this may be normal behavior of horses when investigating the environment, licking inanimate objects doesn't assist you with animal handling.
NEW QUESTION # 640
When we think about digital dental x-ray equipment, we recognize which of the following settings is the only one we may manipulate to adjust the overall technique?
Answer: A
Explanation:
In digital dental radiography, we usually have a unit consisting of:
*The control panel
*A long arm extending from that panel (72-86 inches)
*And the tube head
The control panel houses the:
*Power switch
*Selector buttons for kV and mA
*Dial or button to change the exposure time
Generally, units have an internally set kVp level and mA level. The exposure time (seconds) may be changed to adjust technique, lightening or darkening an image. Experienced technicians can often set the exposure time based on patient size and radiographic tissue density.
NEW QUESTION # 641
A farmer requests you come to the farm. He has a dairy herd but has several animals that are kept for his kids and used in 4-H and for showing. One of the heifers who has not yet mated is acting abnormally. She is still eating and grazing, but he isn't sure if she is ill or having behavioral changes and wants an evaluation. You take the patient history and ask the owner what behavioral signs the cow shows. He states that she intermittently has wide eyes, and the whites are often visible. She seems to be scared, with her eyes constantly looking around. When approached, she used to be easily handled. She readily accepted a halter, but now she lowers her head away from people's hands, then balks and runs away. She seems to be startled easily. The other day, a car backfired, and she jumped a mile and ran back into her barn stall. He is concerned about something medically wrong and requests a farm call.
At what stress level would you classify this animal as, based on the owner's description?
Answer: C
Explanation:
When taking a medical history, gathering the owner's (farmer, producer) opinions on behavior and underlying chief complaint is important. This helps demonstrate what they are seeing. Animals do not always behave the same when the veterinary staff is on-site. Thus, we may not witness the behaviors of concern.
This animal is moderately stressed. Heifers, prior to mating, act like normal cows and are usually not fearful or overly wary of their environment.
Relaxed cattle:
*Stand or walk calmly and graze or casually lie down while ruminating
*Hold their tails in a neutral position, hanging down, relaxed
*When curious, they approach something with composure; the head is held up, and the tail is in an inverted "U" shape
*When content, they use their ears and point them toward a noise, threat, or something that interests them
*Also when content, they often groom herdmates and nuzzle people or each other Mildly stressed cattle:
*Have slightly widened eyes with the head only slightly elevated and a closed mouth
*May turn their heads to the side and move away from sounds or people
*If stress arises while actively grazing or lying down, eating ceases, and they stand; they then usually seek out companionship with other herdmates, thereby moving away from the threat
*May maintain a relaxed tail position or sway it slightly
Moderately stressed cattle:
*Commonly have widened eyes with visible sclera
*May dart their eyes around, constantly searching for danger
*Often try to escape (lowering their heads and darting away), but they will simply freeze if escape isn't feasible
*Tightly hold the tail close to the body, sometimes even tucked between the legs; alternatively, they may hold it up, forming an inverted "U" if overtly alert and threatened
*Startle at the drop of a hat and may show twitchiness or jumpiness
Severely stressed cattle:
*Are at risk of causing damage to themselves, other animals, and people
*Have wide eyes, with sclera visible but also rolling
*If bulls, they may charge
*May paw at the ground
*Often point their heads (and, if present, horns) toward a perceived danger
*Often face a threat with their heads lowered but swinging side to side
*May wag their tails vigorously - this can often be a precursor to a kick, so watch the tails
*Are the most likely to kick, and remember, cattle can kick in all directions - front, side, and backward
NEW QUESTION # 642
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