Explain the concept of colonization resistance in the gut. Discuss direct and indirect mechanisms used by commensal microbes to prevent pathogen overgrowth.

Bacteriocins and secondary bile acids are examples of direct mechanisms of colonization resistance.

By the end of the 3rd week of human development, the heart begins to pump blood through the vasculature.

Within the competence-press model of adaptation to the institutional environment, which dimension captures the resident’s cognitive and physical abilities?

The staff of an assisted living facility is concerned that a new resident refuses to eat in the public dining spaces out of concern about being perceived as a messy eater. Based on this behavior, it is possible that this resident is experiencing __________ disorder.

Please select the two leading causes of death for people aged 24-44.

Match the Medicaid part with its definition.

This type of governmental insurance is most likely to pay for nursing home services.

Please select the two leading causes of death for people aged 45-64.

Which of the following events are required for the 2-cell model of estradiol production?  (Select all that apply.)