Notes in 🏃 Javier ✪ AM

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🏃 Javier - 🏃 QUIZ 5: Control of Respiration and Respiratory Reflexes; Anatomy of the Heart and the Conduction System [page 114] - 🏃 QUIZ 6: Cardiac Potentials and the Electrocardiogram; the Cardiac Cycle, Heart Sounds and Control of Cardiac Activity [page 495]

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Published	01/14/2024	Which of the following surface anatomic landmarks serves as the boundary between the superior and inferior mediastinum? A. Sternal Angle of Louis B. S…
Published	01/14/2024	The 5th to 12th thoracic segments can be found on what posterior mediastinum segment? A. Superior Mediastinum B. Middle Mediastinum C. Anterior Medias…
Published	01/14/2024	What part of the heart is mainly formed by the right atrium? A. Apex B. Base C. Right border D. Left border
Published	01/14/2024	What vein accompanies the posterior descending branch of the coronary artery? A. Great cardiac vein B. Small cardiac vein C. Middle cardiac vein D. Co…
Published	01/14/2024	Surface of the heart formed by right atrium and right ventricle: A. Sternocostal surface B. Base C. Diaphragmatic surface D. Apex
Published	01/14/2024	An 18 year old gang member sustained an ice pick stab wound at the left 5th intercostal space, 9 cm from the sternal border of the chest wall. Which h…
Published	01/14/2024	The immediate lateral border of posterior mediastinum:A. Vertebral Column B. Suprasternal notch C. Mediastinal pleura D. Diaphragm
Published	01/14/2024	What surface is formed by the left atrium? A. Pulmonic surface B. Sternocostal Surface C. Base D. Diaphragmatic Surface
Published	01/14/2024	This cardiac vein crosses over the right coronary artery and right AV groove as it travels from the right ventricle to the right atrium and it drains …
Published	01/14/2024	Which of the following forms the right border of the heart? a. Right atrium and ventricle b. right ventricle c. right atrium d. superior vena cava
Published	01/14/2024	Which branch of the right coronary artery lies at the posterior interventricular groove? A. Right marginal artery B. Right atrial branch C. Posterior …
Published	01/14/2024	Which of the ff is correct as to the orientation of the apex of the heart relative to the anterior thoracic wall? A. Cardiac apex is directed downward…
Published	01/14/2024	Which of the following drains blood into the right atrium: 1. Superior Vena Cava 2. Coronary sinus 3. Inferior Vena Cava 4. Atrioventricular orifice
Published	01/14/2024	The diaphragmatic surface of the heart is formed by which part/s of the heart. 1. right ventricle 2. Base 3. left ventricle 4. left atrium
Published	01/14/2024	Which of the following structures occupy 2 mediastinal subdivisions? 1. Aorta 2. Thymus 3. Trachea 4. Inferior vena cava
Published	01/14/2024	What is responsible for the RMP of myocardial cells? A. K influx B. K efflux C. Na influx D. Na efflux
Published	01/14/2024	The SA node is considered to be the normal pacemaker because: A. It is largely innervated by the sympathetic system B. It contains the greatest number…
Published	01/14/2024	Compared to nodal cells, the plasma membrane of cardiac cells has: A. More unstable RMP B. More positive RMP C. More positive threshold potential D. L…
Published	01/14/2024	Refractory period in FRAP involves: A. Phases 0, 1, 2, and a part of 3 B. Phases 0, 1 and 2 C. Phase 0 only
Published	01/14/2024	Which of these characteristics is common to both FRAP and SRAP? A. Depolarization is due to Na influx B. Plateau prolongs the potential C. Repolarizat…
Published	01/14/2024	What is in both FRAP and prepotential? A. P cells B. Transitional cells C. Purkinje cells D. Ordinary myocardial cells
Published	01/14/2024	Which of the following is a measure of AV node conduction? A. QRS interval B. P wave C. PR interval D. QT interval
Published	01/14/2024	According to Guyton, the prepotential of the cardiac muscle is primarily due to the: A. Slow Na movement due to already open Na channels B. Slow Na mo…
Published	01/14/2024	The direction of mean T vector is: A. Superior, posterior, leftward B. Inferior, posterior, leftward C. Inferior, anterior, leftward D. Superior, ante…
Published	01/14/2024	After thorough history and physical examination, Dr. Bess suspected Allan to have left ventricular enlargement secondary to his chronic hypertension. …
Published	01/14/2024	If the mean p vector is at -20, at which lead it is inverted? A. Lead II B. Lead III C. aVL D. aVF
Published	01/14/2024	If the mean P vector is at (+) 100 degrees, the p wave is tallest in this lead A. I B. II C. avL D. avF
Published	01/14/2024	Which of the ff properties are exhibited by all cardiac cells: 1. Chronotropic property 2. Dromotropic property 3. Inotropic property 4. Bathmotropic …
Published	01/14/2024	Which of the following is both true regarding FRAP and SRAP? 1. It prolongs the plateau phase 2. It is due to Calcium efflux by Calcium L channels 3. …
Published	01/14/2024	The discharge rate of pacemaker cells can be decreased by increasing the: 1. sympathetic stimulation 2. rate of diastolic depolarization 3. threshold …
Published	01/14/2024	Dr. Gaygay suspected her patient to have right atrial enlargement because of the following ECG configurations are prolonged. 1. P wave 2. QRS interval…
Published	01/14/2024	If the SAN fails to generate AP, which of the following occurs? 1. The AVN becomes the pacemaker 2. The atria will not be depolarized 3. The heart rat…
Published	01/14/2024	The following associations between ECG chest leads and locations of their respective positive electrodes are correct: 1. V1: 3rd intercostal space, le…
Published	01/14/2024	Where can you find a Q wave? Ang values is Q is 60, R is 100, and S -20 or Given: (+160), (+60) (-20) 1. Lead I 2. Lead II 3. Lead aVL 4. Lead Avf
Published	01/14/2024	What lead/leads will show an S wave? Given: (+160), (+60) (-20) 1. Lead I 2. Lead II 3. aVF 4. aVR
Published	01/14/2024	Initial QRS complex: 1. anterior 2.posterior 3. rightward 4. leftward
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