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Which of the following statements is true regarding onychomycosis?

Which of the following statements is NOT true regarding anticoagulation therapy and deep vein thrombus?

A radio telescope has a parabolic surface, as shown below.   If the telescope is 1 m deep and 20 m wide, how far is the focus from the vertex? (5 points)

Which of the following statements is generally considered to be helpful in distinguishing COPD from asthma? 

Determine two pairs of polar coordinates for the point (4, 4) with 0° ≤ θ < 360°. (5 points)

A 32-year-old female presents to the clinic two weeks after the death of her parent. She reports feelings of sadness and hopelessness and mentions experiencing the sensation that her parent is still present, including hearing the parent’s voice at times. As the healthcare provider, how would you interpret these findings?

Patients with pulmonary hypertension are frequently asymptomatic, or minimally symptomatic, until the condition becomes severe. Which of the following statements about pulmonary hypertension is NOT true?

Atrial fibrillation is the most common arrhythmia in the United States. The prevalence of atrial fibrillation increases with age, and nearly 10% of those >80 years of age will develop atrial fibrillation. Atrial fibrillation is commonly associated with hypertension and coronary artery disease. Symptoms of atrial fibrillation are due to the rapid heart rate and/or the consequences of reduced cardiac output. Which of the following is NOT a common symptom for atrial fibrillation?

Find the center, vertices, and foci of the ellipse with equation 4×2 + 6y2 = 24. (5 points)

The next 2 questions are based on the following case: TM is an 82-year-old female whom you have not seen before.  She lives alone in her own home, she does not have any children and has been caring for herself.  Recently her neighbor, who brought her in today, noted that she is disoriented and confused.  Her neighbor also mentioned that she noticed that TM seemed to have more difficulty reading the road signs while she was riding in the car today.  TM does not admit to having any other symptoms, yet she asks you to repeat your name several times while you are gathering information about her HPI.  PMH: Hyperlipidemia, hypertension, DJD.Medications: atorvastatin, lisinopril, oxybutynin, acetaminophen PM and acetaminophen prn. What is the first step in your plan of care for this patient?