In skeletal muscle, the thick filaments are mainly composed of_____.

Which of the following musculoskeletal disorders is associated with drastic increases in serum creatine kinase and brick red urine?

The structure that is responsible for returning oxygenated blood to the heart is the

A 61-year-old patient presents to his primary care physician for a routine physical. His medical history is unremarkable but he informs his physician he has been experiencing heartburn when he wakes up every morning within the last month and that this is causing a degree of nausea and chest pain. He explains that the chest pain worries him since his family has a history of unstable angina. The physician orders a stress test and all cardiac function tests appear normal. During a follow-up appointment the patient tests positive for the urease breath test. The most likely cause of this patient’s symptoms is:

A patient presents with intermittent bouts of abdominal cramping, diarrhea, and mucus in their stool. No dietary changes have occurred and microbiology cultures show no pathogenic organisms present. The patient is given a serotonin receptor modulator and the symptoms subside. What is the most likely condition this patient has?

An EGD (esophagogastroduodenoscopy) is scheduled for your patient in the morning. This is a procedure during which a fiber-optic light scope will be used to view the esophagus, stomach, and duodenum to directly visualize the organs and obtain biopsy samples of any suspicious areas. The nurse is responsible for implementing the preparation of the patient the night before the procedure. What instructions will the nurse provide a patient regarding preparation for the EGD procedure in the morning? (Select all that apply)

A class of carbohydrate capable of transferring electrons to other molecules are:

Bundles of muscle fibers are called:  

A condition caused by excessive activity of xanthine oxidase is known as:

A nurse is discharging a patient who has been newly diagnosed with hypothyroidism and is planning the material to give the patient to take home. What action by the nurse is best?