A nurse is caring for a client who has an infection caused by Streptococcus pyogenes. The nurse understands that this microorganism belongs to what group of bacteria?
Gram-positive cocci
Gram-negative cocci
Gram-positive bacilli
Gram-negative bacilli
The Correct Answer is A
Choice A reason:
Gram-positive cocci are bacteria that have a spherical shape and stain purple with Gram stain due to their thick peptidoglycan cell wall. Streptococcus pyogenes is an example of gram-positive cocci that can cause infections such as pharyngitis, impetigo, cellulitis, necrotizing fasciitis, or rheumatic fever.
Choice B reason:
Gram-negative cocci are bacteria that have a spherical shape and stain pink with Gram stain due to their thin peptidoglycan cell wall and outer membrane. Neisseria gonorrhoeae and Neisseria meningitidis are examples of gram-negative cocci that can cause infections such as gonorrhea, meningitis, or septicemia.
Choice C reason:
Gram-positive bacilli are bacteria that have a rod-shaped shape and stain purple with Gram stain due to their thick peptidoglycan cell wall. Bacillus anthracis and Clostridium botulinum are examples of gram-positive bacilli that can cause infections such as anthrax, botulism, or tetanus.
Choice D reason:
Gram-negative bacilli are bacteria that have a rod-shaped shape and stain pink with Gram stain due to their thin peptidoglycan cell wall and outer membrane. Escherichia coli and Pseudomonas aeruginosa are examples of gram-negative bacilli that can cause infections such as urinary tract infection, wound infection, or sepsis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
Choice A reason:
Restricting fluid intake is not an action that the nurse should take for a client who has hypernatremia. Fluid restriction can worsen hypernatremia by increasing the concentration of sodium in the blood. Fluid intake should be increased or replaced with isotonic or hypotonic fluids to dilute sodium and correct hypernatremia.
Choice B reason:
Monitoring neurological status is an action that the nurse should take for a client who has hypernatremia. Hypernatremia can cause neurological symptoms such as confusion, agitation, seizures, coma, and death due to cellular dehydration and brain shrinkage. The nurse should assess the client's level of consciousness, orientation, memory, behavior, and reflexes regularly and report any changes or deterioration.
Choice C reason:
Administering hypotonic IV fluids is an action that the nurse should take for a client who has hypernatremia. Hypotonic fluids have a lower concentration of solutes than normal body fluids and can help lower serum sodium levels by moving water into the cells from the blood vessels. The nurse should administer hypotonic fluids slowly and carefully to avoid fluid overload or cerebral edema.
Choice D reason:
Encouraging foods high in sodium is not an action that the nurse should take for a client who has hypernat
Correct Answer is A
Explanation
The SOFA score is a tool that assesses the degree of organ dysfunction or failure in septic shock. It is based on six parameters: blood pressure, Glasgow coma scale, PaO2/FiO2 ratio, platelet count, bilirubin level, and creatinine level. Each parameter is assigned a score from 0 to 4 based on the severity of the abnormality. The total SOFA score ranges from 0 to 24, with higher scores indicating worse organ dysfunction or failure.
The client's blood pressure of 80/50 mmHg corresponds to a SOFA score of 1, as it indicates hypotension.
The client's Glasgow coma scale is not given, so it is assumed to be normal (15), which corresponds to a SOFA score of 0.
The client's PaO2/FiO2 ratio is not given, so it is assumed to be normal (>400), which corresponds to a SOFA score of 0.
The client's platelet count is not given, so it is assumed to be normal (>150 x 10^9/L), which corresponds to a SOFA score of 0.
The client's bilirubin level is not given, so it is assumed to be normal (<20 micromol/L), which corresponds to a SOFA score of 0.
The client's creatinine level is not given, so it is assumed to be normal (<110 micromol/L), which corresponds to a SOFA score of 0.
The total SOFA score is the sum of the scores for each parameter: 1 + 0 + 0 + 0 + 0 + 0 = 1. Therefore, the client has a SOFA score of 1.
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