A 45-year-old woman presents with low back pain. She states that she has had back pain for years but it is worse today. She reports pain in the low back that radiates to her left foot. Examination reveals no midline tenderness to palpation and a positive straight leg raise. She has no weakness and a normal sensory exam. What diagnostic testing is indicated in the Emergency Department?

A 53-year-old man with a history of coronary artery disease, hypertension, and hyperlipidemia presents with chest pain, lightheadedness, and palpitations. His vitals are: T 36.8°C, HR 140, BP 90/55, RR 18, and oxygen saturation 99%. A 12-lead ECG is performed as seen above. Which of the following represents the appropriate management?

Which of the following antidotes is paired with the correct poisoning?

A 79-year-old man presents to the emergency department with acute-onset chest pain that radiates into his back. He denies shortness of breath. He has a history of hypertension and he drinks alcohol on a regular basis. Vital signs show HR 86, BP 182/100, RR 12, T 98.5℉. Physical examination is unremarkable. Which imaging modality is best used to evaluate for aortic dissection in this patient?

An 18-year-old man presents to the ED after he passed out while playing soccer. His friend says that he had just run halfway down the field and then dropped to the ground. In the ED, his vital signs are BP 116/72, HR 74, RR 16, and oxygen saturation 98% on room air. On exam, a systolic ejection murmur is heard along the left sternal border. His ECG shows left ventricular hypertrophy and left atrial enlargement. What effect does the Valsalva maneuver have on this patient’s murmur?

A 35-year-old woman with a known history of seizure disorder is actively seizing in the ED. Which of the following is the first-line medication and route to treat her seizure?

The graph below represents the responses given by a sample of 5th graders when asked, “How many books did you read over the summer?”  Use the graph to answer the questions below.  1. What is the variable in this data set? [q1] 2. What is the class width of this data set? [q2] 3. How many of the students read at least 9 books? [q3] 4. What percentage of the students read fewer than 6 books? [q4]  (Round to the nearest whole number)

The table below gives the a frequency distribution for the weight of a sample of newborn kitten in grams.   Weight (kg) Number of kittens 80 – 99.9 5 100 – 119.9 7 120 – 139.9 8 140 – 159.9 4 160 – 179.9 2 What is the class midpoint for the second class for this table.  Put your response in the space provided below.  Give the exact numerical answer without units. 

Consider the following Stem and Leaf Plot:   What is the minimum value in this graph?

The graph below gives the responses when a sample of people were asked what is the nicest fruit.  How many people responded to this survey?