Select the most common route of transmission for tuberculosis. 

A patient asks the nurse to explain what the top number of a blood pressure measurement represents. The nurse explains that it measures:

Which of the following diseases can cause anemia?

Select the correct type of heart failure being described. The ventricle is unable to properly fill with blood because it is too stiff, causing the blood to back-up into the lungs resulting in shortness of breath:

Which structure allows blood to flow from the right to left atrium in utero and normally closes after birth?

A patient who is hospitalized with pneumonia has a low SaO2. What is the primary pathophysiological explanation for this?

Select the correct functions of the kidney. (Select all that apply.)

Pulmonary edema may be caused by which of the following?

Psoas and obturator signs can be helpful in the diagnosis of: 

A patient comes into the emergency department complaining of abdominal pain and hematemesis.  The patient describes the vomit as looking like coffee grounds.  What is the most likely cause in this patient?