A 34-year-old pregnant woman presents with mild, non-bloody diarrhea after returning from a camping trip. She asks whether she can take over-the-counter loperamide (Imodium) to manage her symptoms. What is the most accurate advice to give her about this medication?

A 62-year-old patient taking aspirin daily for cardiovascular protection calls the clinic complaining of a “ringing in the ears” that started yesterday and has not improved. What should the clinician suspect as the most likely cause?

A patient with GERD and delayed gastric emptying is prescribed metoclopramide. He asks how this medication will help his symptoms. Which explanation best describes metoclopramide’s mechanism of action in GERD management?

Contracts are legally enforceable agreements.

Courts can create quasi contracts where they did not exist before.

Once an offer is made, it cannot be revoked.

Courts will enforce contracts that have an illegal purpose. 

Minors may create contracts.

 If the contract is based on a fundamental factual error by both parties, the contract is voidable by either one.

Which of the following physiological metrics is most commonly used to assess physical workload?