If you are listening to breath sounds in the apex of the lungs, you would place your stethoscope where on the thorax?

The lower esophageal sphincter (LES) contracts to prevent stomach contents from returning to the

Which condition(s) does the nurse recognize as risks for developing pneumonia secondary to aspiration? Select all that apply.

Pulmonary vein brings in deoxygenated blood to the left atrium.

For this type of gland the entire secretory cell ruptures releasing secretions and dead cell fragments. 

Which of the following would the body use to prevent infection from inhaled bacteria? 1. Vibrissae 2. Mucociliary escalator 3. Epiglottis 4. Macrophages

Which of the following is NOT one of the four types of connective tissue?

Directional terms are applied to epithelial cells.  Which of the following answer choices are the correct usage of directional terms for epithelial cells?

Which statement about serous fluids is correct?

These cells, sometimes called Langerhans cells, ingest foreign substances and are key activators of our immune system.