Diseases
Large Animal
Vectors / Pathogens
Equine
Terminology / Misc
100

This equine disease is characterized by the presence of palpable lymph node abscesses near the ventral jaw and adjoining neck, which may open up either externally or internally into the pharynx. The causative bacterial agent is a gram-positive coccus.

Strangles

100

When assisting with neonatal calf care after a forced fetal extraction or a C-section, it is important to place the calf in ______ recumbency and ensure that it is breathing.

Sternal

100

Which of the following animals is not a commonly implicated vector in rabies transmission?

Dogs

100

The guttural pouches are two large, symmetric dilatations ______________________ that are present in all Equidae.

of the eustachian tube

100

Horses with respiratory disease may present with an increased respiratory rate, which is termed ________.

Tachypnea

200

________ is a highly fatal neurologic disease in horses characterized by a stiff, stilted gait, hyperexcitability, seizure, and coma and is commonly present in the environment and invades wounds or cuts.

Tetanus

200

Rumen fluid pH less than 5.5 is suggestive of what?

Grain Overload

200

Equine protozoal myelitis (EPM) is a common cause of neurologic disease in horses, and Sarcocystis neurona is the most common protozoan parasite that causes this disease. ____________ are the primary hosts of this parasite, and horses are likely infected via fecal-oral transmission.

Opossums

200

An increased heart rate (tachycardia) is indicative of pain. A rate of ________ beats per minute (bpm) or greater indicates serious pain in an adult horse.

60

200

The medical term for fainting is

syncope

300

______________ (the causative agent of rhinopneumonitis) is a contagious virus that produces respiratory disease, abortion, and neonatal and neurologic disease in horses.

Equine herpesvirus

300

Diarrhea, or scours, is a common problem among young dairy and beef calves. Treatment is aimed at

rapid replacement of lost fluids and correction of acidosis and electrolyte abnormalities.

300

What is another name for dermatophytosis?

Ringworm

300

To prevent pressure sores and necrosis, the position of a recumbent horse should be changed

Every 4 to 6 hours

300

Polydipsia in horses is defined as drinking more than _________ of their body weight daily.

10%

400

Environmental management aimed at removing offending allergens is the most important intervention for which equine disease?

Heaves

400

Lambing in individual pens, or lambing jugs, helps in? List all 3.

preventing lamb “stealing” by late-pregnant ewes. 

ensuring that lambs can identify their mothers. 

preventing rejection of the lamb by the ewe

400

Which is the most common vector involved in the transmission of anaplasmosis and Lyme disease?

Ixodes

400

The serum of horses normally has a

yellow tint as a result of increased serum bilirubin levels, because horses do not have gallbladders.

400

When performing an abdominocentesis normal abdominal fluid is normally what color?

Straw yellow or Clear

500

Clinical signs of this equine disease include fever, anemia, icterus, lethargy, stiffness, and limb edema. Diagnosis is based on observation of the organism within white blood cells on a peripheral blood smear, or by PCR or serology. What is the pathogen that causes this disease?

Anaplasma phagocytophilum

500

It is important that neonatal calves receive an appropriate dose of colostrum within the first 6 hours of life because

the placenta in cattle and other ruminants prevents in utero transfer of immunoglobulins (antibodies) from the dam to the fetus. 

intestinal absorption of antibodies terminates within 24 hours of birth.

500


Clinical signs of this equine disease include fever, anemia, icterus, lethargy, stiffness, and limb edema. Diagnosis is based on observation of the organism within white blood cells on a peripheral blood smear, or by PCR or serology. What is the pathogen that causes this disease?

Anaplasma phagocytophilum

500

Equine recurrent uveitis (moon blindness) is the most common cause of blindness in horses. It is a/an

immune-mediated condition.

500

Partial or total failure of the passive transfer of maternal antibodies can make a calf susceptible to a variety of disease conditions. Compromised calves are more likely to develop omphalophlebitis, which is

inflammation of the umbilical veins