I have 100 mL of a phosphate buffer with a pH of 7.20. The total phosphate concentration (H2PO4- plus HPO42-) is 20.0 mM. What will the new pH be if I add 1.00 mL of 0.5 M NaOH? (pKa = 7.2) Enter your answer to three significant figures.

Match the Electron Transport Chain complex to the Enzyme(s) that form it:  

What’s the purpose of countercurrent mechanism in the nephron loop?

Match each structure with its name:   

A patient who tested positive for HIV 3 years ago is admitted to the hospital with Pneumocysitis pneumonia (PCP) and has a CD4 cell count of 189.  Based on the diagnostic criteria established by the Centers for Disease Control and Prevention (CDC), the patient is diagnosed as having

Critical to caring for the immunocompromised patient is the understanding that

The healthcare provider is teaching a patient who has been diagnosed with acquired immunodeficiency syndrome (AIDS) about the need for multi-drug therapy. Which of the following best explains the rationale for using more than one antiretroviral medication to treat AIDS?

I am aware that Canvas-Honorlock will record anything in my environment including face, voice and screen during my online exam for quality assurance reason. The recording will be kept secure in compliance with GDPR(General Data Protection Regulation).

A patient presented to the ER after being burned to 30% of his total body surface area (TBSA) while burning leaves in his backyard. The burn occurred 1 hour ago and EMS bolused the patient with 500 ml of normal saline during transport. The patient weights 198 lbs. The doctor has written and order according the the Parkland formula to fluid resuscitate the patient with normal saline at the maximum amount/rate. What rate would the IV fluid run in after the first 8 hours after the initial burn. (round answers to the nearest whole number) 

The nurse asks a young female patient if she is sexually active. The patient asks the nurse why she needs to know. The nurse’s best response is