Which of the following about blood pressure information is false?Lütfen birini seçin:O a. The lower number is defined as diastolic pressure when measuring blood pressure.O b. Two numbers are recorded when measuring blood pressure. The higher number is defined as systolic pressure.Oc. Vital signis are a group of medical signs, which is blood pressure.O d. Elevated blood pressure is defined as hypotension.e. Both the systolic and diastolic pressures are recorded as "mm Hg" (millimeters of mercury)

Blood pressure is the force of the blood against the blood vessels wall.It described in two…

Answered: Which of the following about blood…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Which portion of the ECG corresponds torepolarization of the atria?a. P waveb. QRS complexc. T waved. none of the above: atrial repolarization is maskedby ventricular depolarization
During atrial fibrillation: A. The EKG shows an exaggerated P wave. B. There is a noticeable increase in the regularity of beating. OC. The ventricle undergoes reentrant refractoriness. OD. None of the above. OE. All of the above.
The pco2 in the aorta is a 40mmhg b 46mmHg c 100 mmHg
Which of the following statements about the cardiovascular system is TRUE? (select multiple) o The tricuspid valve closes when the ventricle contracts Vein contain valves to prevent backflow o Venule are the thinnest blood vessels o Deoxygenated blood is blue in color Blood flowing to the systemic circuit travels to the lungs
When the blood pressure is high, how will the myogenic reflex help to bring the blood pressure baack to normal? (circle all that apply)a. Calcium channels on smooth muscle opensb. Potassium channels open helping potassium to rush into the cellc. Vasoconstriction take placed. Stretch receptors in the afferent arterioles are activated e. Vasodilation take place
A 40-year-old patient comes to the ER complaining of severe pain in his left thigh which started three days prior. On physical examination, his thigh is red, warm, and swollen. His vitals were: Temperature 101F, Pulse 95 beats per minute, regular, 2+, Blood pressure left arm sitting 129/85 mm Hg, Respiratory rate 20 breaths per minute. Which of the following is the best interpretation of the vitals? Answers A - E A All the vital are elevated B Tachycardia, tachypnoea, and fever. Blood pressure is normal. C D All the vitals are normal. Normal pulse, respiratory rate and blood pressure. Temperature reflects a fever. E Blood pressure is elevated and the temperature reflects a fever. Other vitals are normal.
Long term effect of a large A-V fistula will be a. decreased blood flowb. increased TPRc. high output failured. high hemoglobin levele. low cardiac output
The anoxic lethal corner (of death): O Describes the lack of nutrients diffusing at the beginning of a capillary Determines the maximum inter-capillary distance Is found by balancing the flux in the radial direction with the rate of consumption by the tissue O Is not included in the Krogh Cylinder assumptions
1. In figure ( bottom left): use the barorecptor reflex to explain why the R-R interval increases as systolic pressure (SBP) increases. 2. In figure ( bottom right): explain why the slope of SBP change to the R-R interval change.
A patient has a systolic blood pressure of 114 mm Hg, a diastolic reading of 64 mm Hg, and a cardiac output of 9 L/min. Calculate her total peripheral resistance. O a. 13.6 mm Hg min/L o b. 5.8 mm Hg min/L ос. None of these O d. 1.9 mm Hg min/L Ое. 5.4 mm Hg min/L
B. Match the chambers of the sheep hear to the imaIc above. MEke sura youn orient yourself with left and right side of the hcart first. Left ventricle 1 4 Righe atrium 2 B Right vorcrice 3 4. 900
Measuring a-vO2 difference is risky because Select 2 correct answer(s) Arteries have low pressure Venous blood has to be measured from the anatomic "mixing chamber" Venous blood has to be measured from the femoral vein Arteries have high pressure

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