Explain how barriers to entry influence industry profitability and competitive dynamics. 

How do high exit barriers affect industry competition? 

Client: Henry Lewis, 64, admitted with pneumonia and receiving oxygen at 2 L/min via nasal cannula. During a respiratory assessment, the nurse notes: RR 22/min, shallow SpO₂ 92% on 2 L Crackles heard in both lower lobes Skin warm and dry Reports mild shortness of breath when walking to the bathroom While the nurse is listening to lung sounds, Henry begins coughing forcefully, becomes pale, and his SpO₂ drops to 84%. He states, “I can’t catch my breath.” Question: What should the nurse do first?

Client: Maria Thompson, 74 years old, admitted for pneumonia three days ago. When the nurse enters the room, Maria is sitting up in bed, eating breakfast. She says, “I just feel more tired today.” Assessment findings: Skin warm and slightly flushed Respirations 26/min, shallow Occasional cough producing thick yellow sputum Crackles heard in both lower lobes SpO₂ 90% on 2 L nasal cannula HR 110 bpm, BP 148/86 mmHg Fingers cool, capillary refill 5 seconds Reports shortness of breath when talking IV site is slightly red and tender Question: Which assessment findings should the nurse recognize as most concerning and requiring immediate follow-up? Select all that apply.

Dave is stung by a wasp on the bottom of his foot. Histamine released by mast cells causes a local inflammatory response.  This type of inflammatory response leads to all of the following symptoms except:

Using what you know about the Exchange System, about how many grams of carbohydrate are in this meal?   1 slice of wheat toast 1 tbsp butter Small banana (4 oz) 8-fl-oz 1% milk 2 hard boiled eggs

Which of the following would cause a decrease in the effective population size? Select all that apply.

Which best explains the concern about the representation of Black women on Love Island?

Love Island is a popular reality television franchise that started in the U.S.

Food security includes all but which of the following indices?