The patient presents to the emergency department (ED) complaining of a severe headache that has not responded to nonsteroidal anti-inflammatory drugs, caffeine, hydration, or rest. The patient also reports transient syncope and weakness of the right side of the body. During the initial assessment, the patient becomes increasingly confused. The nurse prepares the patient for which test?

The 82-year-old patient from the long-term care facility is brought to the emergency department with wet-sounding cough and increased work of breathing. Vital signs are normal with the exception of tachypnea and an oxygen saturation of 91% on room air. Upon auscultation, the nurse notes diminished breath sounds over the right upper lobe. Chest radiograph indicates consolidation in the right upper lobe of the lung. The nurse prepares the patient for which test?

The nurse provides which instruction to the patient who will undergo guaiac stool testing?