Final answer:
Nursing combines knowledge from clinical experience, patient care, medical procedures, and pharmacology to provide comprehensive healthcare.
Step-by-step explanation:
Nursing involves specialized skills and application of knowledge based on several key areas including clinical experience, patient care, medical procedures, and pharmacology. Pharmacists, for instance, must have a profound understanding of chemistry and biology to comprehend the effects that drugs have on the body. They are capable of advising physicians and patients about drug usage, which is crucial in nursing for patient care. On the other hand, specialties like dialysis technicians work under the direct supervision of a registered nurse and are focused on providing treatments and ensuring procedures are carried out effectively and safely, aligning with the practical aspects of nursing.