Aortic regurgitation is best heard with patient leaning forward between 3rd and 4th ICS on left sternal border     

Von Willebrand disease is inherited in an autosomal dominant manner, equally affecting male and female populations. Bleeding times are typically normal, ristocetin cofactor activity is decreased or normal, and factor VIII is low. All of these disorders are bleeding disorders, each caused by deficiencies of different clotting factors. Hemophilia A occurs when factor VIII is deficient, hemophilia B when factor IX is deficient, and von Willebrand disease when the von Willebrand factor is deficient or abnormal. All are clinically similar, characterized by prolonged or renewed bleeding after injuries, tooth extractions, or surgery. They should be suspected in patients with deep muscle hematomas, intracranial bleeding in the absence of major trauma, unexplained GI bleeding or hematuria, recurrent and bilateral prolonged nosebleeds, and excessive bruising. In severe cases, joint bleeding is a frequent symptom. Age of diagnosis and severity of symptoms depends on the level of normal functioning clotting factor present. Coagulation factor assays are used for diagnosis.      

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Which equation below represents the heat of formation of Ca(OH)2 (s)?

The correct product(s) of the following reaction are  Mg    +  HCl     →

Under a certain set of conditions, 4.5 ml of He effuses in 1.07 min. The same volume of another unknown gas effuses in 4.5 min. Which of the following gasses could be the unknown gas?

What is the partial pressure of Ne in a container with a total pressure of 3.0 atm at 25 C, that contains 1.0 g of H2  and 1.0g of Ne?

PCl5(s) reacts with H2O(l) according to the equation: PCl5(s) + 4H2O(l) ® H3PO4(aq) + 5HCl(aq) What is ∆H˚ for this reaction in kJ/mol, given the following heats of formation?   PCl5 (s) H2O(l) H3PO4 (aq) HCl(aq) ∆Hf˚, kJ/mol –443.5 –285.8 –1284.4 –167.1

To check lateral excursions of the TMJ, ask the patient to open and close his mouth. To check TMJ range of motion, ask the patient to place three fingers in his mouth between the upper and lower incisors.