1.8 When energy is removed and a gas changes state to a liquid (1)

A 49 year male with a history of IV drug abuse presents with septic shock and receives 1.5L IVF in the ED. On arrival to the ICU, his vital signs are the following: T 102.8F, HR 114, BP 77/52 (MAP 60), RR 24, O2 saturation 92% on 65% FiO2. An A-line and right IJ central line are placed by the ICU resident. A Flowtrac is attached to the patient’s A-line, and his hemodynamics are the following: CO 4.7, SV 97, SVR 615, and SVV 6. A bedside ultrasound shows his IVC is 35% collapsible. Based on this data, what is the appropriate intervention for his hypotension? Parameter Normal range Cardiac output 4-8L/min Stroke volume 60-130 ml/beat Systemic vascular resistance 770-1500 dynes/sec/cm-5 Stroke volume variation

If the scores on an analytics exam are normally distributed with a mean of 73 and a standard deviation of 8, what is the lowest score of the top 10% of the students taking the exam?  That is, what is the 90th percentile?

Suppose we took a sample of size n=25 from a population with a mean of 30 and a standard deviation of 6. What is the probability the mean of those 25 data points is less than 28?

7.3 Calculate the density of a substance with a volume of 185 cm3 and the mass of 190,55g. Also name the substance from the table above (Round off to 2 decimal places) The formula for density: Density = Mass / Volume For EXAMPLE: Density = 20 g / 5 cm3 = 4 g/cm3                    (4)

Which of the following is a reversible etiology of cardiac arrest?

A 39 year old patient with a history of urinary tract infections and uterine fibroids is admitted with a change in mental status to the ICU. Her ICU admission vital signs are the following: T 100.3 F, HR 127 (sinus tachycardia), BP 82/49 (MAP 60) on an A-line, RR 24, O2 saturation 94% on 2L nasal cannula. Which of the following would be the greatest priority for this patient?

4.3 Name the charge of the electron. (1)

3.1. A sub atomic particle with a positive charge [1] 3.2 Carbon dioxide [2] 3.3 A substance made up of two or more types of atoms. [3] 3.4 Hydrogen [4] 3.5 Substance with definite physical and chemical properties and a fixed composition [5]

A 49 year old patient intubated for respiratory failure has improved clinically. Which of the following would need to occur for the patient to be extubated? SELECT ALL THAT APPLY A. The patient would need to be trialed on Assist Control Volume Control B. The patient’s sedation would need to be stopped. C. The patient’s tube feeds would need to be stopped. D. The patient’s Train of Four would need to be 0 out of 4