VTNE PREP COMBINED, AAVSB Practice Tests Questions With 100% Verified Answers/2024.

(c) Systolic blood pressure - correct answer The pressure in the systemic arteries during ventricular contraction is: (a) Diastolic blood pressure (b) Osmotic pressure (c) Systolic blood pressure (d) Low pressure (b) SA node, AV node, bundle of His, Purkinje fibers - correct answer 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 (a) Pylorus - correct answer The muscular sphincter located between the stomach and the duodenum is the: (a) Pylorus (b) Cardia (c) Chyme (d) Rugae (a) Threshold - correct answer When a stimulus is strong enough to cause complete depolarization, it has reached: (a) Threshold (b) Repolarization (c) Refractory period (d) Action potential (b) Stomach - correct answer Smooth muscles can be found in the: (a) Heart (b) Stomach (c) Pelvic limb (d) Diaphragm (a) Negative - correct answer 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 (c) Brainstem - correct answer The cranial nerves originate from the (a) Cerebellum (b) Spinal cord (c) Brainstem (d) Cerebrum (d) Oxytocin - correct answer 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 (c) 8% - correct answer Typically, what percentage of an animal's body weight consists of blood? (a) 0.1% (b) 1% (c) 8% (d) 30% (c) Systemic - correct answer What circulatory system is under the highest pressure? (a) Pulmonary (b) Coronary (c) Systemic (d) Capillaries (d) A common passage for fecal, urinary, and reproductive systems - correct answer In birds, the cloaca is: (a) An appendage suspended from the head (b) A blind sac at the distal end of the jejunum (c) A cleft in the hard palate (d) A common passage for fecal, urinary, and reproductive systems (d) Femoral vein - correct answer All of the following major vessels contribute to blood flowing into the cranial vena cava except for the: (a) Brachiocephalic vein (b) Thoracic duct (c) Azygos vein (d) Femoral vein (b) Ilium - correct answer Which of these is not a division of teh small intestine? (a) Duodenum (b) Ilium (c) Ileum (d) Jejunum (b) Endocrine system - correct answer Which of the following is a ductless system? (a) Exocrine system (b) Endocrine system (c) Lymphatic system (d) All of the above systems contain ducts (b) Lacteals - correct answer The lymphatic structure found in the small intestines responsible for the transport of fats and fat-soluble vitamins is: (a) Afferent lymphatic vessels (b) Lacteals