| Term 
 
        | The thoracic cavity contains what two major organs? |  | Definition 
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        | Term 
 
        | Name the attachments between each cardiac cell that allow them to transmit an impulse from one cell to another. |  | Definition 
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        | Term 
 
        | What is also known as the "pacemaker of the heart"? |  | Definition 
 
        | The sinoatrial (SA) node. |  | 
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        | Term 
 
        | What vessel normally carries oxygen-rich blood? |  | Definition 
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        | Term 
 
        | The outer layer that forms a fibrous sac around the heart is called: |  | Definition 
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        | Term 
 
        | The pulmonary circulation is under: |  | Definition 
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        | Term 
 
        | Which vein lies along the lateral aspect of the hind limb just above the hock? |  | Definition 
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        | Term 
 | Definition 
 
        | Relaxation of the atria and ventricles. |  | 
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        | Term 
 
        | The heart lies in the ____________, the space between the two pleural cavities. |  | Definition 
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        | Term 
 
        | The pathway of electrical conduction in the heart starts at the ___________, moves down to the AV node then to the ___________ and then to the Purkinje Fibers. |  | Definition 
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        | Term 
 
        | Describe the path of blood flow once blood enters the heart via the cranial vena cava. |  | Definition 
 
        | Vena Cava --> r. atrium --> tricuspid valve --> r. ventricle --> pulmonic valve --> pulmonary artery --> pulmonary capillaries --> pulmonary vein --> l. atrium --> mitral valve --> l. ventricle --> aortic valve --> aorta |  | 
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        | Term 
 
        | Explain what is occuring during the QRS wave. |  | Definition 
 
        | The atria repolarize and the ventricles depolarize. |  | 
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        | Term 
 
        | Explain what is occuring during the T wave. |  | Definition 
 
        | The ventricles repolarize. |  | 
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        | Term 
 
        | This specie has the largest erythrocyte: |  | Definition 
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        | Term 
 
        | You may see these immature granulocytes in circulation (horseshoe shaped nuclei): |  | Definition 
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        | Term 
 
        | Rarely seen in horses, have purple to blue granules in their cytoplasm: |  | Definition 
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        | Term 
 
        | Small, anucleated, and can be found on the feathered edge in clumps: |  | Definition 
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        | Term 
 
        | Red blood cell production is stimulated by hypoxia which targets what organ to release erythropoietin? |  | Definition 
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        | Term 
 
        | Typically what percentage of an animal's body weight is blood? |  | Definition 
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        | Term 
 
        | The function of the erythrocyte is to: |  | Definition 
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        | Term 
 
        | What blood protein plays a role in hemostasis? |  | Definition 
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        | Term 
 
        | An antigen may be destroyed in the body before the animal even shows clinical signs of sickness, because of this immunoglobulin: |  | Definition 
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        | Term 
 | Definition 
 
        | Protein, hormones and lymphocytes. |  | 
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        | Term 
 
        | The largest leukocyte whose major function is phagocytosis: |  | Definition 
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        | Term 
 
        | The leukocyte involved in antibody production and cellular immunity: |  | Definition 
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        | Term 
 
        | This leukocyte has distinct pink/red staining granules: |  | Definition 
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        | Term 
 
        | What does oxygen attach to in the erythrocytes? |  | Definition 
 | 
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        | Term 
 
        | The main function of this cell is to maintain hemostasis and keep the integrity of the vessel walls: |  | Definition 
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        | Term 
 
        | The largest lymphoid organ in the body: |  | Definition 
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        | Term 
 
        | This hormone is released by the kidney to stimulate erythropoiesis: |  | Definition 
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        | Term 
 
        | Name the two types of Specific Immunity. |  | Definition 
 
        | Humoral and cell-mediated. |  | 
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        | Term 
 
        | This structure is also known as the voice box. |  | Definition 
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        | Term 
 
        | If the pH level in the blood has decreased, carbon dioxide level in the blood is __________ and respiration should ___________. |  | Definition 
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        | Term 
 
        | Gas exchange occurs at the level of the: |  | Definition 
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        | Term 
 
        | List some elements that regulate breathing. |  | Definition 
 
        | Medulla oblongata, stretch receptors, pH. |  | 
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        | Term 
 
        | The volume of air inspired and expired during one breath. |  | Definition 
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        | Term 
 
        | What muscles contract during inhalation? |  | Definition 
 
        | External intercostals and the diaphragm. |  | 
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        | Term 
 
        | What are the two sinuses a dog and cat have? |  | Definition 
 
        | Frontal and maxillary sinuses. |  | 
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        | Term 
 
        | What equine disease is commonly known as "roaring"? |  | Definition 
 | 
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        | Term 
 
        | Name the functions of the respiratory system. |  | Definition 
 
        | Exchange O2 and CO2, voice production, body temperature regulation, acid-base regulation, and sense of smell. |  | 
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        | Term 
 
        | The sudden change in membrane potential that occurs with activity is called: |  | Definition 
 | 
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        | Term 
 
        | The part of the neuron that receives stimuli. |  | Definition 
 | 
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        | Term 
 
        | T or F A myelinated axon conducts a nerve impulse faster.
 |  | Definition 
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        | Term 
 
        | Cranial nerve X is also known as: |  | Definition 
 | 
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        | Term 
 
        | This part of the brain governs intelligence and learning. |  | Definition 
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        | Term 
 
        | An imbalance of what minerals can affect nerve function? |  | Definition 
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        | Term 
 
        | This supplies a rich network of blood vessels that carry nutrients and oxygen to the superficial tissues of the brain and spinal cord. |  | Definition 
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        | Term 
 
        | Cells that support neurons structurally and functionally, found in the central nervous system are called: |  | Definition 
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        | Term 
 
        | The part of the nervous system that controls conscious or voluntary movement functions. |  | Definition 
 | 
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        | Term 
 
        | T or F Efferent nerves carry nerve impulses to the Central Nervous System.
 |  | Definition 
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        | Term 
 
        | T or F On a non-myelinated axon depolarization takes place at the Nodes of Ranvier.
 |  | Definition 
 | 
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        | Term 
 
        | T or F Neurotransmitters are hormones that get released into the synaptic cleft.
 |  | Definition 
 | 
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        | Term 
 
        | T or F The ventral horn of the spinal cord is where sensory nerve impulses enter.
 |  | Definition 
 | 
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        | Term 
 
        | Name the common reflexes often assesed in practice. |  | Definition 
 
        | Pupillary light reflex (PLR) and the palpebral reflex. |  | 
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        | Term 
 
        | If ADH is absent urine volume _________. |  | Definition 
 | 
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        | Term 
 
        | The majority of filtration occurs where in the kidney? |  | Definition 
 | 
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        | Term 
 
        | The urinary tract is lined with this type of cell. |  | Definition 
 
        | Transitional epithelial cells. |  | 
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        | Term 
 
        | Which hormone causes reabsorption of sodium in the convoluted tubules? |  | Definition 
 | 
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        | Term 
 
        | Once fluid leaves the renal corpuscle and enters the PCT it becomes what type of fluid? |  | Definition 
 | 
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        | Term 
 
        | The basic functional unit of the kidney. |  | Definition 
 | 
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        | Term 
 
        | Which kidney is more cranial? |  | Definition 
 | 
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        | Term 
 
        | Name the three mechanisms by which the kidneys carry out waste elimination. |  | Definition 
 
        | Filtration, reabsorption, and secretion. |  | 
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        | Term 
 
        | Ruminants gain much of their energy from a product produced by microbes during fermentation. What is the product? |  | Definition 
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        | Term 
 
        | Bile acids are important in the digestion of: |  | Definition 
 | 
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        | Term 
 
        | Dental formula for an adult canine. |  | Definition 
 | 
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        | Term 
 
        | What cell is responsible for the production and secretion of hydrochloric acid? |  | Definition 
 | 
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        | Term 
 
        | Where are the following proteases (trypsin, chymotrypsin, and elastase) produced? |  | Definition 
 | 
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        | Term 
 
        | The wave of contractions that moves food down the GI tract. |  | Definition 
 | 
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        | Term 
 
        | The three sections of the small intestine from cranial to caudal: |  | Definition 
 
        | Duodenum, jejunum, and ileum. |  | 
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        | Term 
 
        | What abdominal organ is absent in the horse and rat? |  | Definition 
 | 
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        | Term 
 
        | Name the functions of the liver. |  | Definition 
 
        | Produces bile, metabolizes drugs and toxins, Produces proteins, stores glucose, metabolizes fat into energy, and stores vitamins. |  | 
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        | Term 
 
        | The neurohypophysis is also known as the: |  | Definition 
 | 
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        | Term 
 
        | Which gland has both exocrine and endocrine functions: |  | Definition 
 | 
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        | Term 
 
        | Beta cells in the islets of Langerhans produce the hormone ________. |  | Definition 
 | 
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        | Term 
 
        | This hormone is also known as somatotrophin. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Hypoadrenocorticism is commonly referred to as: |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | The gland that is known as the master endocrine gland. |  | Definition 
 | 
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        | Term 
 
        | What two hormones are stored and released by the posterior pituitary? |  | Definition 
 | 
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        | Term 
 
        | An offspring is genetically male if an _____ spermatozoon fertilizes the ovum. |  | Definition 
 | 
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        | Term 
 
        | Where does fertilization usually take place? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | What term refers to animals that cycle continuously throughout the year? |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Testosterone is produced by _________________ in the male. |  | Definition 
 | 
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        | Term 
 
        | During an ovariohysterectomy, which ligaments are divided or cut to allow removal of the reproductive tract? |  | Definition 
 
        | Suspensory ligament, round ligament, and the broad ligament. |  | 
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        | Term 
 
        | Spermatogenesis takes place in the ___________. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | Identify the accesory reproductive glands of the stallion. |  | Definition 
 
        | The prostate gland, bulbourethral gland, and seminal vesicles. |  | 
        |  | 
        
        | Term 
 
        | Identify the accessory reproductive glands of the canine. |  | Definition 
 | 
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        | Term 
 
        | Name the three layers of the uterus. |  | Definition 
 
        | Endometrium, myometrium, and perimetrium. |  | 
        |  | 
        
        | Term 
 
        | Name the five stages of estrous. |  | Definition 
 
        | Proestrus, estrus, metestrus, diestrus, and anestrus. |  | 
        |  | 
        
        | Term 
 
        | Describe what occurs to the ovary and hormone levels when an animal becomes pregnant. |  | Definition 
 
        | The corpus luteum produces progesterone to help maintain pregnancy. |  | 
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