Azithromycin Dosing Requires That the First Day's Dosage Be Twice

question 21

Multiple Choice

Azithromycin dosing requires that the first day's dosage be twice those of the other 4 days of the prescription. This is considered a loading dose. A loading dose:

• A) Rapidly achieves drug levels in the therapeutic range
• B) Requires four- to five-half-lives to attain
• C) Is influenced by renal function
• D) Is directly related to the drug circulating to the target tissues

---

Definitions:

Muscle Contractions

Muscle contractions refer to the tightening or shortening of muscles, which results in movement or maintenance of posture.

ACh

Short for Acetylcholine, a neurotransmitter in the body involved in many functions including muscle movement and memory.

Dopamine

A neurotransmitter in the brain associated with pleasure, movement, and the reward system.

Myelin Sheath

A fatty layer that surrounds nerve fibers, facilitating the rapid transmission of electrical signals in the nervous system.