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Sickle cell anemia shows autosomal recessive inheritance. In individuals who can trace ancestry to regions where malaria is endemic, the incidence of sickle cell anemia is approximately 1 in 500. p2 + 2pq + q2 = 1 What is the frequency of the recessive (affected) allele?

List a factor that can determine the effect of a skeletal muscle contraction. [A] [B]

Based on the following ventilator data, what mode and breath type is the patient receiving? The therapist has not adjusted the ventilator settings. 0800 1000 1200 Set rate 12 14 12 Total rate 12 18 16 Mech Vt 550 480 500 Spont Vt — 260 320 PIP 24 24 27 PEEP 5 5 8

List one thing that limits anaerobic endurance

List one drawback to anaerobic energy production

Name two functional differences between the following muscles:Smooth  – Difference 1:[a], Difference 2: [b] Skeletal – Difference 1: [c], Difference 2: [d]Cardiac – Difference 1: [e], Difference 2: [f]

What would have caused the changes seen in waveform B?  

Please show your scratch paper to the camera if you have not already done so. The following graph shows the frequency distribution for a continuous phenotype in 3 different populations. Which population has the least phenotypic variation?   

A patient with chronic bronchitis is being monitored with regular measurements of arterial blood gas values and capnometry. The ABG results are:  pH 7.28/ PaCO2 53/ PaO2 67,  PECO2 = 20 torrCalculate the patient’s VD/Vt.

You are managing a patient in PC-AC with the following values:Exhaled Vt 460 mL      PIP  30 cmH2O                  PEEP  8 cmH2O     Ti  6 secNo-flow zone is present on inspiratory and expiratory phase. What delta P is necessary to achieve a Vt of 500 mLs?