For over 50 years, the Medical Knowledge Self-Assessment Program (MKSAP) has been the most trusted resource in self-assessment and continuous learning for internal medicine physicians and residents. The tradition continues with MKSAP 19.
MKSAP 19 is available in several flexible formats, allowing you to choose the format that best fits your lifestyle. Each format includes 12 syllabus sections and up to 3,000 associated deep-learning questions.
To learn about the features in MKSAP 19, visit
MKSAP 19 Q & A
A 26-year-old man is evaluated for redness of the left eye accompanied by yellow discharge and crusting on the eyelids for the past 2 days. The symptoms are most noticeable upon awakening. He reports some visual blurring that clears with blinking. The right eye is uninvolved. He reports no other symptoms. He does not wear contact lenses. Medical history is unremarkable, and he takes no medications.
On physical examination, there is diffuse circumferential conjunctival erythema of the left eye that is most noticeable peripherally. A small amount of dried, yellow discharge is noted on the superior and inferior eyelashes. Visual acuity is 20/30 in both eyes. The remainder of the examination is unremarkable.
Which of the following is the most likely diagnosis?
A: Acute bacterial conjunctivitis
B: Blepharitis
C: Hyperacute bacterial conjunctivitis
D: Scleritis
E: Viral conjunctivitis
Back to the November 2023 issue of ACP Global