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🛍️ Shopee - 🛍️ MOD 7 SGD 05: Control of the Systemic Circulation [page 227] - 🛍️ LQ 07: The Cardiac Cycle and Heart Sounds & The Circulation and Hemodynamics [page 309]

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Published	01/14/2024	Active and reactive hyperemia and a decrease oxygen level in the tissues can result to vasodilation. A. TrueB. False
Published	01/14/2024	When an artery is blocked in any tissue of the body, it would lead to a complete absence of blood supply to that portion overtime. A. True B. Fa…
Published	01/14/2024	Norepinephrine, Arginine, Bradykinin and Endothelin are all vasoconstrictor agents A. True  B. False
Published	01/14/2024	Both potassium and magnesium cause vasodilation through the stimulation of the vascular smooth muscles. A. True  B. False
Published	01/14/2024	The most important role of the sympathetic nervous system is regulating the circulation of the blood. A. True B. False
Published	01/14/2024	An increase in the mean arterial pressure resulting eventually to an increase in cardiac output and reduction of blood pressure towards normal leve…
Published	01/14/2024	The Renin-Angiotensin-Aldosterone mechanism responds within seconds to minutes when there is a decrease in the extracellular fluid volume. A. True&…
Published	01/14/2024	The most important long-term controller of arterial pressure are the heart and the circulatory system. A. True  B. False
Published	01/14/2024	Vasopressin is primarily concerned with facultative water reabsorption at the proximal nephron of the kidney. A. True  B. False
Published	01/14/2024	The atrial natriuretic peptide causes generalized vasodilation and an increased glomerular filtration rate and thus, enhancing both sodium and pota…
Published	01/14/2024	The lowest aortic pressure (diastolic pressure) occurs at the onset of this phase of the cardiac cycle. A. Isovolumetric relaxation B. Reduced fill…
Published	01/14/2024	The volume of blood present in the ventricle during this phase of the cardiac cycle represents the end systolic volume. A. Rapid ejection B. Iso…
Published	01/14/2024	Which of the following is related to Bernouille’s principle? A. Potential energy is converted into kinetic energy B. The smaller the diameter the…
Published	01/14/2024	The cell which secretes the extracellular matrix components of the tunica media: A. Fibroblast B. Smooth muscle  C. Reticular D. P…
Published	01/14/2024	he period of diastole begins at the onset of _______ phase to the end of _______ phase of the cardiac cycle. A. Isovolumetric contraction; isovolum…
Published	01/14/2024	Which of the following vessels carry oxygen-rich blood? A. Inferior vena cava and pulmonary arteries B. Aorta and pulmonary veins  …
Published	01/14/2024	Using the stethoscope Greta (a first year medical student) practiced listening to the heart sounds of her 20-year old brother. Which of these heart so…
Published	01/14/2024	If during exercise cardiac output doubles and systemic vascular resistance decreases by 50%, what will happen to mean arterial pressure (assume tha…
Published	01/14/2024	Which of the following parts of the aorta gives origin to the coronary arteries?A. Arch of aorta B. Descending thoracic aortaC. Ascending aorta …
Published	01/14/2024	Which of the following produces turbulence?A. Low hematocrit B. Increased cardiac output C. Anemia D. Ascending aorta
Published	01/14/2024	Compared to the second heart sound, the first heart sound: A. Lasts longer B. Sharp in quality C. Has a higher pitch D. Is less loud
Published	01/14/2024	This connective tissue fiber is responsible for the resiliency needed for the vascular wall to expand under pressure: A. Elastic  B. Fi…
Published	01/14/2024	If the left vagus gives off a recurrent branch that loops under the arch of the aorta as it travels up the neck, the recurrent branch of the right …
Published	01/14/2024	Which of the following takes origin from the aortic arch? A. Right subclavian artery B. Brachiocephalic artery  C. Right and left coro…
Published	01/14/2024	During an anatomy class dissection, a 1st yr medical student is able to insert his index finger into the transverse pericardial sinus. What vessels…
Published	01/14/2024	Left ventricular pressure exceeds aortic pressure during this/these phase/s of the cardiac cycle. A. Rapid ejection and reduced ejection B. Re…
Published	01/14/2024	Which of the following is the least descriptive of the histologic feature of lymphatic capillaries? A. Endothelial cells are attached via tigh…
Published	01/14/2024	A 68y.o. male has undergone a cardiac catheterization to implant the electronic transducer tip of a catheter into the pulmonary trunk. Which of …
Published	01/14/2024	Which of the following veins takes part in the formation of the brachiocephalic vein? A. External jugular B. Common carotid C. Superior ven…
Published	01/14/2024	Which of the following pairings on wall layer and histologic feature of veins is true? A. Adventitia - loose, thicker than media  …
Published	01/14/2024	Viewing the heart on its sternocostal surface, which of the following great vessels is located most anteriorly? A. Ascending aorta  B. …
Published	01/14/2024	The membrane junction that connects the muscle cells in the tunica media of arteries permitting vasoconstriction and vasodilation:A. DesmosomeB. He…
Published	01/14/2024	Which of the following blood vessels regulate blood pressure? A. aorta B. small arteriesC. arterioles D. veins
Published	01/14/2024	During PDR class, a medical student attempted to obtain her classmate’s BP. Identifying the sound of the systolic pressure was a breeze, but she…
Published	01/14/2024	Which of the following great vessels produces an imprint on the mediastinal surface of the left lung? A. Hemi-azygos vein B. Superior vena cava C.…
Published	01/14/2024	This is a direct tributary of the superior vena cava that drains the thoracic wall: A. Internal thoracicvein B. Hemi-azygos vein C.…
Published	01/14/2024	Which of these clinical conditions can give rise to systolic murmurs? A. Aortic insufficiency B. Tricuspid stenosis C. Mitral insufficiency D.…
Published	01/14/2024	Which of the following associations between heart sounds and the clinical valve areas where they are heard best is correct? A. S2 – 2nd interco…
Published	01/14/2024	Which of the following blood vessels has the least pressure? A. Abdominal vena cava B. Veins C. Venules D. Thoracic vena cava
Published	01/14/2024	Which of the following increases venous return? A. Inspiration B. Reduced preload C. High cardiac output D. increased right atrial pressur…
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