The signs and symptoms asthma are primarily attributable to what pathophysiological process?

Refer to the life cycles illustrated in the figure below to answer the following question(s).Which of the life cycles is typical for plants and some algae?

Darwin and Wallace’s theory of evolution by natural selection was revolutionary because it _____.

Endosymbiosis is an evolutionary theory that explains the origin of eukaryotes and suggests a specific order in which this might have occurred. Ancestral cells engulfed and then began to use the metabolic processes of the smaller cells. Based on shared core processes and features, which statement most accurately describes the order, the theory and the evolutionary implications for all organisms within domain Eukarya?

Use the following description to answer the question(s) below.On the Bahamian island of Andros, mosquitofish populations live in various, now-isolated, freshwater ponds that were once united. Currently, some predator-rich ponds have mosquitofish that can swim in short, fast bursts; other predator-poor ponds have mosquitofish that can swim continuously for a long time. When placed together in the same body of water, the two kinds of female mosquitofish exhibit exclusive breeding preferences.Which two of the following have operated to increase divergence between mosquitofish populations on Andros? 1. improved gene flow 2. bottleneck effect 3. sexual selection 4. founder effect 5. natural selection

The nurse is caring for a client with a moderate empyema. The client’s BP= 118/60 mmHg; HR=80, RR= 21 and SPO2= 95% on 2 liters of oxygen by nasal cannula. Which of the following orders would the nurse question? 

Two species of frogs belonging to the same genus occasionally mate, but the embryos stop developing after a day and then die. These two frog species separate by _____.

The nurse caring for the client who was admitted with shortness of breath has determined that the client is experiencing respiratory acidosis and hypoxemia. Which of the following ABG’s would confirm this finding? 

QUESTION 1 Peter and his family are going on a fishing trip. They will be going to uMngeni Fishing reserve. 1.1 Umgeni river has a capacity of 783 910 000 .   1.1.1 What is the capacity that is referred to? (2) 1.1.2 What is the capacity of the dam in kilolitres ? 1 kl= 1. (2) 1.2 The trip from Hartebeespoort to Umgeni is 637 300 m.   1.2.1 What is the appropriate unit of measurement to represent the distance of the trip? (2) 1.2.2 Convert the distance of the trip from  Hartbeespoort  to Umgeni into the unit of measurement you choose in 1.2.1 (2) 1.3 Peter called Umgeni fishing reserve to find out what the weather will be like for the weekend   1.3.1 Jeremey the manager og the reserve told Peter that temperatures will reach a maximum 100.4 degrees Fahrenheit. Jeremy is from the USA. What is the measurement unit of temperature that is used in South Africa  (1) 1.3.2 Covert the temperature of the cooling system in to Celsius if ˚C=(˚F-32) x1.8 (2) 1.4.1 Peter and the family will be driving from Hartbeespoort which is 7 hours and 16 min. if they leave Hartbeespoort at 5 am. What time will they arrive at Umgeni? (3) 1.4.2 If Peter takes and the family wants to arrive at Umgeni at exactly 12:00 what time must they leave  Hartebeespoort? (3)

QUESTION 3   Use the map to answer the questions below   3.1  Cascades falls is 6.5 cm away from Lesser falls on the map. Calculate the actual distance in km. Remember bar scale 2cm=500 m (5) 3.2 How far are the chalet to inkonka camp if you drive at a speed of 60 km /h and it was a 20 min ?. Present your answer in hours, minutes and seconds   Note that: distance= speed x time (4) 3.3 Inkonka camp is 700 m from the Inkonka car park use the bar scale to calculate the map measurement in cm . 2cm=500 m (3)