AEC peer review 9/16

Which of the following is an approved abbreviation for documentation?

• unit --> "u"

• years old --> y/o

• daily --> Q.D.

• every other day --> Q.O.D.

Which of the following numbers is appropriately documented?

• 0.60g

• .83mL

• 2.0mg

• 3dL

Which of the following is not appropriate for the correction of a documentation error?

• double strikethrough

• initials

• date/time

• "error"

Which of the following is a feature of the classical pathway of the complement system?

• binds carbohydrates of pathogen surfaces

• can be activated without a recognition molecule

• participates in antibody-dependent recognition of pathogens

• uses factor H as a regulatory molecule

Which of the following is the central component of all three pathways?

• C3

• C2

• C4

• C5

A 36-year-old woman comes to her physician for worsening fatigue and muscle aches for 1 month. She describes that mostly she is more fatigued by the end of the day and also occasionally has pain in her wrist and knee. She has not had any falls and takes no medications. She has lost 6.8 kg (15 lb) in the past year. She has not had fever. She is 162.5 cm (5 ft 4 in) tall and weighs 53.5 kg (118 lb); body mass index is 20.2 kg/m2. Temperature is 37°C (98.6°F), pulse is 100/min, respirations are 18/min, and blood pressure is 130/80 mm Hg. Physical examination shows red, painful joints in the wrists and knees but no joint deformations. The skin appears normal; there are no rashes. Her lungs are clear and the cardiac examination is normal. Laboratory studies show: 

Which of the following laboratory abnormalities is most likely in this patient?

• increased serum uric acid

• anticyclic citrullinated peptide Abs

• low serum C3 complement

• cryoglobulins

What is the only positive regulator of the alternative pathway

• C4

• Properdin

• Factor H

• MBL

RT is a 35-year-old male who presents to the emergency department with a 12-hour history of high fever (39.5°C), severe headache, neck stiffness, and a rapidly progressing rash. Gram stain of the cerebrospinal fluid shows gram-negative diplococci consistent with Neisseria meningitidis. He has also had Haemophilus influenzae type b and Streptococcus pneumoniae pneumonias in the past. Why is RT predisposed to infections with encapsulated bacteria?

• Deficiency of MBL

• Deficiency of CD55

• Deficiency of C3 convertase

• Deficiency of terminal complement (C5-9)

Which organ is a major producer of complement proteins

• kidney

• liver

• thymus

• bone marrow

Which of the following is the starting point for the membrane attack complex?

• C3b

• C2b

• C4b

• C5b