lab1
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| • Relaxation of the heart chamber is called | diastole.
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| • Contraction of a heart chamber is called | systole.
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| • The portion of the ECG that represents ventricular repolarization is | T-wave
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| • Leads I, II, and III together are called the ___leads or the appendicular leads | standard
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| is the condition of elevated heart rate | • Tachycardia
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| • A blood cell protein that elicts an immune reaction may be called a | Antigen
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| method scale compares the color of blood-soaked paper with a | tallquist
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| • Lab materials soiled by a blood sample should be disinfected or disposed of in a puncture-proof __container | Biohazard
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| is used to make the cells in the blood smear more easily observable . | • Wright stain
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| • blood is often collected in __ capillary tubes rather than plain capillary tubes, to prevent clotting of blood | heparinized
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| a _ machine required for the hematocrit test | centrifuge
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| • the PCV test determines the ratio of __volume to total blood volume | RBC
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| is an oxygenated pigment in the blood | • hemoglobin
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| • a person with a high differential count of __WBC’s is suspected to have an acute infection | neutrophil
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| • A person with a high differential count of __WBCs is suspected to have a chronic infection | monocyte
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| • Roberts hematocrit is 53% is this normal? | yes
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| • Marias hematocrit is 53% is this normal? | no
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| • The hemoglobinometer is __accurate than the tallquist method | more
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| • Fred has just been informed that his RH type is negative . is this normal? | yes
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| • Kevin has B+ blood. His plasma is likely to contain anti __ antibodies | A
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| • Bruce has been living in the mountains for years. The hemoglobin content of his blood is likely to have __ since he moved there | risen
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| • Irma has cirrhosis of the liver. Her Hb valve to be | low
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| • HB values are usually reported in grams of HB per_ of blood | 100 ml
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| blood flow order |
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| • The flap like lateral wall of each atrium is called the | auricle
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| the __ valve is also known as the mitral valve or left AV valve | bicuspid
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| • The right AV valve is also known as the __ valve | tricuspid
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| • The aortic semilunar valve has _ pocket like flaps of tissue | 3
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| the __ are fibrous structured that prevent the cupid valves from prolapsing (bending back words) | chordae tendinae
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| • One- way flow of blood from the right ventricle is ensured by the presence of the __ valve | pulmonary sl
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| • Mitral valve prolapse, which is abnormal, may allow blood to enter the left atrium during the contraction of the | left ventricle
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| • The small cardiac vein and right coronary artery can be found along the right __ sulcus | atrioventricular
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| • The anterior interventricular branches of the left coronary artery and cardiac vein are found along the anterior __ sulcus | interventricular
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| the __ is a muscular wall between the left and right ventricles | septum
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| • The myocardium of the __ ventricle is thicker than the other ventricle | left
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| • The wall of the aorta is __ than the wall of the superior vena cava | thicker
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| the _ are beamlike process of the inner face of the myocardium | trabeculae
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| • The point of the heart is called the | apex
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| • In the sheep heart the right atrium is__ to the right ventricle | superior anterior
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| Sonoma | produce neurotransmitters
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| Nissl bodies- | site of protein synthesis
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| Axon hillock | last site were membrane proparated from the synaptic inputs are summed before transmitted
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| Axon | conducts electrical currents away from cell body
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| Schwann cells | from myelin sheets around axon
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| Nodes of Ranvier | gaps between Schwann cells to help action potential travel
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| Collateral axon | axon branches that lead to other cells
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| Telodendria | branches store vesicles that have neurotransmitter
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| 9. Dendrite | receive electrical messages
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| 1. The soma forms a cone-shaped __ as it projects to form an axon | • Axon- bullock
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| are small, distal branches of an axon | • Telodenia
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| 3. Either Schwann cells or extensions of __ can form myelin sheaths | • Myelin
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| 4. The gaps between the segments of a myelin sheath are called | • Nodes of Ranvier
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| 5. A group of myelinated fibers may forma region of nerve tissue called __ matter? | • White
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| 6. The __ neuron connects an afferent neuron to an efferent neuron | • Interneurons
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| 7. A junction between two neurons, or between a neuron and effector, is called a __ (in the PNS) | • Synapse
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| 8. A bundle of parallel neurons encased in fibrous connective tissue is called a ( in the PNS) | • Nerve
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| 9. A bundle of parallel neurons in the CNS is called a () ___ | • Neurons
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| 10. An action potential traveling down a myelinated axon travels __ (faster/slower) than an unmyelinated axon | • Faster
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| 11. Unmyelinated nerve tissue is called __ matter | • Grey matter
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| neurons have exactly two projections from the cells body | • bipolar neuron
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| 13. __ neurons have multiple dendrites and a single axon extending from the cell body | • multipolar neurons
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| 14. in ___ neurons, a single process from the cell body diverges to form two long branches- one acting as a dendrite and the other an axon . | • pseadoni polar
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| 15. Schwann cells form myelin sheaths in the –nervous system | • PNS
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| 16. Oligodendrocytes from the myelin sheaths I the __ nervous system | • CNS
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| 17. Neuroglia cells called __ cells line the fluid spaces of the brain | • Schwan
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| 18. Small glial cells that phagocytize harmful matter are called __ | • Microglia
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| 19. __ are ciliated neuroglia that assist the circulation of the CSF | • Cerebrospinal Fluid
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| 20. Of the two major types of cells in the nerve tissue, the __ is the most numerous | • Gilia
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| 1. A mass of white fibers connecting to the left and right cerebral hemisphere | • Corpus callosum
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| 2. A cerebral lobe not visible in an ordinary external inspection | • Insula
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| 3. A fold of cortical gray matter on the surface of the cerebrum | • gyri
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| 4. A deep sulcus | • Fissures
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| 5. A vein in the dura mater roughly parallel to the longitudinal fissure | • Sagittal sinus
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| 6. A rounded structure consisting of parallel gyri and dorsal to the brain stem | • Cerebellum
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| 7. A distinct, branched pattern of white matter in the cerebellum | • Arbor vitae
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| 8. The middle of three divisions of the brainstem | • pons
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| 9. A vascular structure that produces CSF and is present in all the fluid ventricles | • Choroid plexus
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| 10. The fluid ventricle associated with the cerebellum | • Fourth
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| 11. The membrane that separates the left and right lateral ventricles | • Septum pellucidum
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| 12. The portion of the thalamus that passes through the third ventricle | • Intermediate mass
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| 13. This structure is composed of four colliculi | • corpora quadrigemina
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| The gland is not technically a part of the brain but is attached to the brain via the infundibulum | • Pituitary
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| 15. The gray matter on the surface of the cerebrum | • cortex
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| 16. A roughly cylindrical region of the brain that projects inferiorly from the diencephalon and anterior to the cerebellum | • Brainstem
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| 17. The most caudal structure of the brain | • Medulla
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| Put in order rearrange these in the order in which CSF passes through them | lateral ventricle
interventriculary foramen (monro)
third ventricle
cerebral aqueduct
fourth ventricle
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| The order through which electrical signals are conducted through one single cardiac cycle | • Sa Node ( pace maker)
• Atrial myocardium
• AV node
• AV bundle
• AV bundle branches
• Subendocardial purkinje fibers
• Ventricular myocardium
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