In a different set of experiments, you identify two kinds of mutations in S. aureus. The first type of mutation makes the bacteria more susceptible to antibiotic X; the second type of mutation makes it more resistant to antibiotic X. In the absence of the antibiotic, which mutation would you expect to be more abundant?

The immune system usually responds to cells and molecules, but not cells and molecules.  

A small child enters a clinic for the third time in one month with another bad skin infection filled with pus (tissue fluid combined with large numbers of bacteria growing in the fluid). Decreased numbers, or loss of function, in which of the following cell types could account for these symptoms?

When looking at a protein, you find that it has covalent cysteine bonds that connect certain amino acids together within the protein. Covalent bonds are ________.

When DNA with variable number tandem repeats (VNTRs) is sequenced and visualized on a gel, the resulting fragments separate according to their ________.

An order has been placed to conduct an SBT on a patient who is awake, alert, and following verbal commands. Which of the following ventilator settings is the most appropriate to place a patient on to complete their SBT?

True or False: Your patient is a female who has an IBW of 80 kg just successfully completed a 30 minute SBT trial on CPAP/PSV mode and the ABG results came back normal. After the SBT trial, the physician asks for you to obtain pulmonary mechanics from the patient. Below are the results NIF= -30 cm H2OVC= 1200 mlsRSBI=106Cuff Leak= YesSpontaneous Respiratory Rate=25The physician states that this patient is ready for extubation. Based on the results, is this statement true or false?

A patient with an IBW of 67 kg is undergoing an SBT via CPAP/PSV mode with the following settings below. The patient is awake, alert, and following commands and looks comfortable. Pressure Support=10FiO2=30%Peep=5Flow Trigger= 2E sense= 25%Patient Data listed below:Spontaneous Respiratory Rate=15Spontaneous VT= 804 mlsVe= 6.75 L/minABG Values:pH=7.51PaCO2= 28PaO2=90HCO3=24Based on the information above, what changes, if any, need to be done to improve the patient’s ABG?

Which of the following is considered to be a weaning parameter?I. P0.1II. NIFIII. RSBIIV. PEEPV. Vital Capacity

Which of the following modes/methods can be used to perform a Spontaneous Breathing Trial (SBT)?I. Pressure Control VentilationII. Pressure Support VentilationIII. Automatic Tube CompensationIV. Automatic Tube CompressionV. T-Piece Trial