The top ________ of a sterile table is the only part considered sterile

If your partner, while examining a patient, states that the patient's lungs are equal and bilateral, you would understand your partner to mean that:

a. both lungs have labored breathing b. both lungs are equally bad c. the patient is not breathing d. there are clear and equal lung sounds on both sides

Which is an example of a diagnostic or therapeutic nerve block?

a. Paravertebral lumbar block b. Intercostal block c. Bier block d. Interscalene block