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- In the palpation method of indirect blood pressure measurement, only systolic pressure can be obtained. a. True b. False The following is true about a pH paper strips : Select one: a. It is a colorimetric measurement system b. None of the choices c. It is a potentiometric measurement system d. It is an electromagnetic measurement systemWhen measuring the blood pressure in the cutoff method, diastolic pressure of (for example 80 mmHg) is the pressure at which blood flow in the arteries turns laminar O a. True O b. FalseThe following can be known by using a vascular doppler: Select one: a. If a person has stenosis b. If a valve is allowing bi-directional blood flow c. All of the choices d. If there is a reverse blood flow On an ECG paper, to which parameter does the vertical axis corresponds? Select one: a. Frequency b. Time c. Amplitude (voltage) In order to perform a 12 LEAD ECG 12 electrodes are used. Select one: a. True b. False
- A nurse caring for several patients in the cardiac unit is told that one is scheduled for implantation of an automatic internal cardioverter-defibrillator. Which of the following patients is most likely to have this procedure? A. A patient admitted for myocardial infarction without cardiac muscle damage. B. A postoperative coronary bypass patient, recovering on schedule. C. A patient with a history of ventricular tachycardia and syncopal episodes. D. A patient with a history of atrial tachycardia and fatigue.A plastic bag contains physiological saline solution for infusion into the blood stream. If the pressure in your vein is 15 torr, what is the minimum height required for infusing the saline into the vein at a pressure of 20 torr above the pressure in the vein (assume rsal = 1 kg/L). Note: ignore the pressure drop in the %3D injection needle! O 55 cm O 48 cm O 23 cm O 66 cm O 74 cm O 35 cmWhich of the following are true regarding the use of Open Circuit Spirometry to measure VO2max? Group of answer choices Most accurate measurement of exercise capacity useful in defining prognosis and defining the timing of cardiac transplantation and other advanced therapies in patients with heart failure helpful in the differential diagnosis of patients with suspected cardiovascular and respiratory diseases A high exercise capacity is indicative of a high cardiac output and therefore suggests the absence of serious limitations of left ventricular function All of the above A, C, and D
- A study is run to evaluate the effectiveness of an exercise program in reducing systolic blood pressure in patients with pre-hypertension (defined as a systolic blood pressure between 120-139 mmHg or a diastolic blood pressure between 80-89 mmHg). A total of 15 patients with pre-hypertension enroll in the study, and their systolic blood pressures are measured. Each patient then participates in an exercise training program where they learn proper techniques and execution of a series of exercises. Patients are instructed to do the exercise program 3 times per week for 6 weeks. After 6 weeks, systolic blood pressures are again measured. QUESTIONS: What type of nonparametric test should be used to evaluate the effectiveness of an exercise program in reducing systolic blood pressure? (PS:JUSTIFY your answer)Match the following situations with how you would adjust the sweep speed to display them properly on your spectral tracing. The patient has bradycardia Choose.increase/ decrease The patient has an arrhythmia that you would like to demonstrate Choose..increase/ decrease You want to demonstrate less beats on your tracing Choose.increase/ decrease You want to demonstrate more beats on your tracing Choose...increase/ decrease The patient has tachycardia Choose...increase/ decrease200 Curve 1 175 Curve 2 150 125 Curve 3 100 75 50 25 50 100 150 200 250 300 350 400 LV End Diastolic Volume (mL) Use the information in this paragraph and the image above to answer the question below. This figure shows the relationship between EDV and SV. Curve 2 is representatíve of a normal individual sitting on a bike, resting. There are two other curves illustrated and there are multiple points landmarked with a "o" and the letters "A to F". You can assume that the only changes in relevant variables are described in each question. If a variable is not mentioned you can assume that it has not changed. The starting point is "A". Select an appropriate pointif there was an increase in cardiac inotropy. 23 D. Stroke Volume (mL)
- A 67-year-old-man is in the operating room undergoing a hip replacement. The procedure is going along uneventfully, and there is no indication of acute blood loss. Suddenly, the patient develops supraventricular tachycardia. Intravenous injection is administered and within 15 s, the electrocardiogram shows normal sinus rhythm. What is the most likely drug responsible for this normalization of the electrocardiogram? Select one: O ignocaine Quinidine Esmolol Verapamil AdenosineAnalyze this VVI pacemaker strip. Identify any underlying rhythm and how the pacemaker is functioning. This rhythm strip shows atrial fibrillation with... WI pacing with intermittent failure to sense WI pacing with intermittent failure to capture Normal WVI pacemaker function WI pacing with intermittent failure to sense and failure to capture WI pacing with oversensing TOOLS INSTRUCTIONS If needed, select one of the above tools. SUE ITWhich of the following statement/s is/are not true regarding phases of cardiac cycle? A. Atrial systole is followed by ventricular systole. B. When the ventricles are in systole, the atria are in diastole. C. The atria continually receive blood from the veins. D. As pressure within the atria increases, the mitral valve is opened. E. All statements are true.