VTNE Prep Questions with Complete Solutions

VTNE Prep Questions with Complete Solutions Where are striated muscles located? - Answer ️️ -Heart and skeletal muscles Systemic circulation is under: - Answer ️️ -High pressure Pregnant mare has what kind of placentation? - Answer ️️ -Diffuse Pressure in the systemic arteries during ventricular contraction is - Answer ️️ -Systolic blood pressure What hormone contracts the female reproductive tract to help move spermatozoa into the oviducts? - Answer ️️ -Oxytocin Cardiac muscle is considered a - Answer ️️ -Striated involuntary muscle In what order does the impusle for depolarization travel through the heart? - Answer ️️ -SA node -> AV node -> bundle of His -> Purkinje fibers A pregnant queen has what kind of placentation? - Answer ️️ -Zonary The control of color changes in the pigment cells of reptiles, fish, and amphibians is associated with which hormone? - Answer ️️ -MSH Wave on electrocardiogram that is associated with atrial wall depolarization is the: - Answer ️️ -P wave SA node is located in the wall of which chamber? - Answer ️️ -Right atrium Musclular sphincter located between stomach and duodenum is the: - Answer ️️ -Pylorus Type of cell responisble for transmission of impulses through nervous system is the: - Answer ️️ -Neuron Dog demonstartes what type of estrous cycle? - Answer ️️ -Diestrous What system is anatomically composed of the brain and spinal cord? - Answer ️️ -Central nervous system Functions that an animal does not have to consciously control, such as peristalsis in the intestine, are influenced by the: - Answer ️️ -Autonomic nervous system Cranial nerves and spinal nerves are anatomically part of what system? - Answer ️️ -Peripheral nervous system Sensory nerves are considered - Answer ️️ -Afferent nerves When a stimulus is strong enough to cause complete depolarization, it has reached: - Answer ️️ -Threshold What happens within the neuron that allows local anesthetics to be effective? - Answer ️️ - Sodium channels become blocked Smooth muscles can be found in the: - Answer ️️ -Stomach Which muscle cells have single nuclei? - Answer ️️ -Smooth and cardiac Cattle and swine display what type of estrous cycle? - Answer ️️ -Polyestrous What species is an induced ovulator? - Answer ️️ -Feline In what stage of estrous cycle does corpus luteum develop? - Answer ️️ -Metestrus Which reaction is the result of sympathetic nervous system stumulation? - Answer ️️ -Dilated pupils Hormone produced by developing ovarian follicle: - Answer ️️ -Estroge