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A&P2 par2 2 lab 1
lab1
| Question | Answer |
|---|---|
| • Relaxation of the heart chamber is called | diastole. |
| • Contraction of a heart chamber is called | systole. |
| • The portion of the ECG that represents ventricular repolarization is | T-wave |
| • Leads I, II, and III together are called the ___leads or the appendicular leads | standard |
| is the condition of elevated heart rate | • Tachycardia |
| • A blood cell protein that elicts an immune reaction may be called a | Antigen |
| method scale compares the color of blood-soaked paper with a | tallquist |
| • Lab materials soiled by a blood sample should be disinfected or disposed of in a puncture-proof __container | Biohazard |
| is used to make the cells in the blood smear more easily observable . | • Wright stain |
| • blood is often collected in __ capillary tubes rather than plain capillary tubes, to prevent clotting of blood | heparinized |
| a _ machine required for the hematocrit test | centrifuge |
| • the PCV test determines the ratio of __volume to total blood volume | RBC |
| is an oxygenated pigment in the blood | • hemoglobin |
| • a person with a high differential count of __WBC’s is suspected to have an acute infection | neutrophil |
| • A person with a high differential count of __WBCs is suspected to have a chronic infection | monocyte |
| • Roberts hematocrit is 53% is this normal? | yes |
| • Marias hematocrit is 53% is this normal? | no |
| • The hemoglobinometer is __accurate than the tallquist method | more |
| • Fred has just been informed that his RH type is negative . is this normal? | yes |
| • Kevin has B+ blood. His plasma is likely to contain anti __ antibodies | A |
| • Bruce has been living in the mountains for years. The hemoglobin content of his blood is likely to have __ since he moved there | risen |
| • Irma has cirrhosis of the liver. Her Hb valve to be | low |
| • HB values are usually reported in grams of HB per_ of blood | 100 ml |
| blood flow order | |
| • The flap like lateral wall of each atrium is called the | auricle |
| the __ valve is also known as the mitral valve or left AV valve | bicuspid |
| • The right AV valve is also known as the __ valve | tricuspid |
| • The aortic semilunar valve has _ pocket like flaps of tissue | 3 |
| the __ are fibrous structured that prevent the cupid valves from prolapsing (bending back words) | chordae tendinae |
| • One- way flow of blood from the right ventricle is ensured by the presence of the __ valve | pulmonary sl |
| • Mitral valve prolapse, which is abnormal, may allow blood to enter the left atrium during the contraction of the | left ventricle |
| • The small cardiac vein and right coronary artery can be found along the right __ sulcus | atrioventricular |
| • The anterior interventricular branches of the left coronary artery and cardiac vein are found along the anterior __ sulcus | interventricular |
| the __ is a muscular wall between the left and right ventricles | septum |
| • The myocardium of the __ ventricle is thicker than the other ventricle | left |
| • The wall of the aorta is __ than the wall of the superior vena cava | thicker |
| the _ are beamlike process of the inner face of the myocardium | trabeculae |
| • The point of the heart is called the | apex |
| • In the sheep heart the right atrium is__ to the right ventricle | superior anterior |
| Sonoma | produce neurotransmitters |
| Nissl bodies- | site of protein synthesis |
| Axon hillock | last site were membrane proparated from the synaptic inputs are summed before transmitted |
| Axon | conducts electrical currents away from cell body |
| Schwann cells | from myelin sheets around axon |
| Nodes of Ranvier | gaps between Schwann cells to help action potential travel |
| Collateral axon | axon branches that lead to other cells |
| Telodendria | branches store vesicles that have neurotransmitter |
| 9. Dendrite | receive electrical messages |
| 1. The soma forms a cone-shaped __ as it projects to form an axon | • Axon- bullock |
| are small, distal branches of an axon | • Telodenia |
| 3. Either Schwann cells or extensions of __ can form myelin sheaths | • Myelin |
| 4. The gaps between the segments of a myelin sheath are called | • Nodes of Ranvier |
| 5. A group of myelinated fibers may forma region of nerve tissue called __ matter? | • White |
| 6. The __ neuron connects an afferent neuron to an efferent neuron | • Interneurons |
| 7. A junction between two neurons, or between a neuron and effector, is called a __ (in the PNS) | • Synapse |
| 8. A bundle of parallel neurons encased in fibrous connective tissue is called a ( in the PNS) | • Nerve |
| 9. A bundle of parallel neurons in the CNS is called a () ___ | • Neurons |
| 10. An action potential traveling down a myelinated axon travels __ (faster/slower) than an unmyelinated axon | • Faster |
| 11. Unmyelinated nerve tissue is called __ matter | • Grey matter |
| neurons have exactly two projections from the cells body | • bipolar neuron |
| 13. __ neurons have multiple dendrites and a single axon extending from the cell body | • multipolar neurons |
| 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 |
| 15. Schwann cells form myelin sheaths in the –nervous system | • PNS |
| 16. Oligodendrocytes from the myelin sheaths I the __ nervous system | • CNS |
| 17. Neuroglia cells called __ cells line the fluid spaces of the brain | • Schwan |
| 18. Small glial cells that phagocytize harmful matter are called __ | • Microglia |
| 19. __ are ciliated neuroglia that assist the circulation of the CSF | • Cerebrospinal Fluid |
| 20. Of the two major types of cells in the nerve tissue, the __ is the most numerous | • Gilia |
| 1. A mass of white fibers connecting to the left and right cerebral hemisphere | • Corpus callosum |
| 2. A cerebral lobe not visible in an ordinary external inspection | • Insula |
| 3. A fold of cortical gray matter on the surface of the cerebrum | • gyri |
| 4. A deep sulcus | • Fissures |
| 5. A vein in the dura mater roughly parallel to the longitudinal fissure | • Sagittal sinus |
| 6. A rounded structure consisting of parallel gyri and dorsal to the brain stem | • Cerebellum |
| 7. A distinct, branched pattern of white matter in the cerebellum | • Arbor vitae |
| 8. The middle of three divisions of the brainstem | • pons |
| 9. A vascular structure that produces CSF and is present in all the fluid ventricles | • Choroid plexus |
| 10. The fluid ventricle associated with the cerebellum | • Fourth |
| 11. The membrane that separates the left and right lateral ventricles | • Septum pellucidum |
| 12. The portion of the thalamus that passes through the third ventricle | • Intermediate mass |
| 13. This structure is composed of four colliculi | • corpora quadrigemina |
| The gland is not technically a part of the brain but is attached to the brain via the infundibulum | • Pituitary |
| 15. The gray matter on the surface of the cerebrum | • cortex |
| 16. A roughly cylindrical region of the brain that projects inferiorly from the diencephalon and anterior to the cerebellum | • Brainstem |
| 17. The most caudal structure of the brain | • Medulla |
| 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 |
| 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 |
Created by:
Julaine_13
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