What role do mucous membranes play in host defense?

What is the primary role of CD4 T cells in adaptive immunity? 

Which of the following best describes the role of osteoblasts in bone remodeling? 

Which term describes red blood cells that are larger than normal? 

What is the primary function of the G1 phase in the cell cycle? 

A patient with a history of allergies experiences anaphylaxis after exposure to peanuts. Which cells and mediators are primarily responsible for this reaction? 

A newborn presents with asymmetry in gluteal folds during a well-baby exam. The Ortolani maneuver elicits a palpable “clunk.” Which of the following is the most likely diagnosis? 

How do normal microbiota protect against infection?

What is required for the activation of complement proteins? 

What distinguishes the adaptive immune response from the innate immune response?