VTNE PREP COMBINED, AAVSB Practice Tests with Certified Solutions

VTNE PREP COMBINED, AAVSB Practice
Tests with Certified Solutions
The pressure in the systemic arteries during ventricular contraction is:




(a) Diastolic blood pressure

(b) Osmotic pressure

(c) Systolic blood pressure


(d) Low pressure ✔✔(c) Systolic blood pressure




In what order does the impulse for depolarization travel through the heart?




(a) AV node, SA node, bundle of His, Purkinje fibers

(b) SA node, AV node, bundle of His, Purkinje fibers

(c) SA node, AV node, Purkinje fibers, bundle of His


(d) AV node, SA node, Purkinje fibers, bundle of His ✔✔(b) SA node, AV node, bundle of His,

Purkinje fibers




The muscular sphincter located between the stomach and the duodenum is the:

,(a) Pylorus

(b) Cardia

(c) Chyme


(d) Rugae ✔✔(a) Pylorus




When a stimulus is strong enough to cause complete depolarization, it has reached:




(a) Threshold

(b) Repolarization

(c) Refractory period


(d) Action potential ✔✔(a) Threshold




Smooth muscles can be found in the:




(a) Heart

(b) Stomach

(c) Pelvic limb

,(d) Diaphragm ✔✔(b) Stomach




On inspiration, the pressure in the thoracic cavity, as compared with ambient air pressure, is




(a) Negative

(b) Positive

(c) Same as the ambient air pressure


(d) Fluctuating ✔✔(a) Negative




The cranial nerves originate from the




(a) Cerebellum

(b) Spinal cord

(c) Brainstem


(d) Cerebrum ✔✔(c) Brainstem




In dairy cattle, the teats and udder are gently washed before milking to stimulate the release of

one of the following, to stimulate milk letdown

, (a) Adrenalin

(b) Norepinephrine

(c) Dopamine


(d) Oxytocin ✔✔(d) Oxytocin




Typically, what percentage of an animal's body weight consists of blood?




(a) 0.1%

(b) 1%

(c) 8%


(d) 30% ✔✔(c) 8%




What circulatory system is under the highest pressure?




(a) Pulmonary

(b) Coronary

(c) Systemic