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VTNE PREP COMBINED, AAVSB Practice Tests exam review
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VTNE PREP COMBINED, AA VSB Practice Tests exam review 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: VTNE PREP COMBINED, AA VSB Practice Tests exam review (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 VTNE PREP COMBINED, AA VSB Practice Tests exam review (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? VTNE PREP COMBINED, AA VSB Practice Tests exam review (a) Pulmonary
(b) Coronary
(c) Systemic
(d) Capillaries - (c) Systemic
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) A common passage for fecal, urinary, and reproductive systems
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 - (d) Femoral vein
Which of these is not a division of teh small intestine?
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