Which feature differentiates spondyloarthropathies from rheumatoid arthritis?

A patient with psoriasis develops dactylitis and nail pitting. Which condition is most likely?

A 25-year-old woman presents with an erythematous rash across her cheeks and nasal bridge that worsens after sun exposure. The rash spares the nasolabial folds. What is the most likely diagnosis?

A patient with chronic scaly plaques on the scalp and face develops areas of scarring alopecia. Biopsy shows interface dermatitis. Which form of lupus is most likely?

The palmar (grasp) reflex is elicited when:

The normal response in the palmar grasp reflex is:

The extrusion reflex is best described as:

The plantar (grasp) reflex is elicited by:

Decorticate posturing is best described as:

The phrase commonly used to remember decorticate posturing is:

Decorticate posturing usually indicates damage to the:

Decerebrate posturing is best described as:

Decerebrate posturing usually indicates damage to the:

Compared to decorticate posturing, decerebrate posturing indicates:

The most prevalent neural tube defects are:

The recommended daily dose of folic acid for women of childbearing age to prevent neural tube defects is:

Women with a previous pregnancy affected by a neural tube defect should take:

A patient with SLE is found to have a small, non-infective vegetation on the mitral valve on echocardiography. This is most consistent with:

A patient develops fever, pleuritis, and arthralgia after starting isoniazid 8 months ago. What is the best initial management?