Which enzyme directly stimulates the adrenal glands to secrete aldosterone?

A patient is admitted to the emergency department with a spinal cord injury at the T2 level. Which of the following findings is of most concern?

When do the coronary arteries receive the majority of their blood flow? 

The nurse is caring for a patient who has pulmonary hypertension. The nurse anticipates they will also have:

The nurse is caring for a patient who has pulmonary hypertension. The nurse anticipates they will also have:

Which is a life-threatening consequence of coronary artery disease (CAD) and myocardial infarctions?

Which of the following conditions is characterized by the production of abnormally thick secretions of mucus leading to airway obstruction and frequent pulmonary infections?

Which is a life-threatening consequence of coronary artery disease (CAD) and myocardial infarctions?

The nurse notices a pulsating mass over a patients abdomen. What is the likely cause of this? 

Which of the following are potential causes of pneumonia? (Select all that apply)