An unrestrained steel beam 100 feet in length will elongate __________ when heated to 1,000°F

A patient recovering from abdominal surgery is having difficulty developing an effective cough. Which of the following actions would you recommend to aid this patient in generating a more effective cough?

1. Coordinating coughing with pain medication 2. Using the forced expiration technique (FET) 3. Supplying manual epigastric compression 4. "Splinting" the operative site a. 1, 2, and 4 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only

During muscle contraction, crossbridges are formed between the myosin heads and the:

a. sarcomeres b. actin filaments c. muscle fibers d. sodium ion channels