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 ️️ -Estrogen To achieve normal pregnancy, blastocyst attaches to what structure? - Answer ️️ -Endometrium Giving birth also known as - Answer ️️ -Parturition From the estrus cycle to parturition in what order are the following hormones released? - Answer ️️ -Estrogen, progesterone, oxytocin All of the following are types of chorion attachments, except: - Answer ️️ -Diffuse A pregnant bitch has what kind of placentation? - Answer ️️ -Zonary The canine uterus is shaped like the letter: - Answer ️️ -Y How many memory glands are typically found on a bitch? - Answer ️️ -8-12 Which reaction is the result of parasympathetic nervous system stimulation? - Answer ️️ - Decreased heart rate The neurotransmitter that is most responsible for the flight or fight reaction is: - Answer ️️ - Epinephrine In the healthy heart the heartbeat is initiated by the: - Answer ️️ -SA node On an electro cardiogram, the T-wave is most closely associated with: - Answer ️️ -Ventricular repolarization On inspiration, the pressure in the thoracic cavity, as compared with ambient air pressure, is: - Answer ️️ -Negative In the healthy away cat, the primary stimulus within blood for respiration is: - Answer ️️ - Increased CO2 An increased packed cell volume could be indicative of: - Answer ️️ -Dehydration Apnea will cause: - Answer ️️ -Respiratory acidosis Which of the following nutrients can be use for gluconeogenesis? - Answer ️️ -Amino acids Cataracts result from a problem with transparency of the: - Answer ️️ -Lens Within the eye, the choroid is located between which two structures? - Answer ️️ -Sclera and retina Which of the following are considered to be a category of lipids? - Answer ️️ -Natural fats Steroids Phospholipids (all the above) Which of the following processes is not a function of insulin? - Answer ️️ -Increase blood pressure Which endocrine cells of the pancreatic islets produce the hormone glucagon? - Answer ️️ - Alpha cells Long-term use of glucocorticoids will: - Answer ️️ -Suppress the immune system Nocireceptors are important for detecting: - Answer ️️ -Pain The sensation of hunger falls under which general sense? - Answer ️️ -Visceral sensation The vagus nerve is cranial nerve: - Answer ️️ -X