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maw [93]
3 years ago
15

Varieties of staphylococcus aureus that are resistant to the drug methicillin _____. 1) developed in response to the use of meth

icillin 2) already existed in the population before methicillin was developed 3) always have an advantage in every environment 4) were strongly selected for as methicillin became widely used to treat bacterial infections 5) the second and fourth answers are correct.
Medicine
1 answer:
garri49 [273]3 years ago
8 0

Answer:

Option 2

Explanation:

MRSA stands for Methicillin-Resistant Staphylococcus aureus  is a bacterium responsible for diseases in various body parts.  

It's harder to treat as compared to most of the staphylococcus aureus strains  - or staph - in light of the fact that it's impervious to some usually utilized anti-infection agents, i.e., antibiotics.

Their existence in population was even before the development of Methicillin.

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After a signal binds to a signal receptor, the next step is transduction. Why is the signal transduction step necessary?.
mr_godi [17]

Cells respond to environmental effects through signal transduction, which promotes healthy cell growth and normal cell function.

<h3>Why is the signal transduction step necessary?</h3>

The reason why after a signal binds to a signal receptor, we need the next step is as follows:

  • For the purpose of triggering an appropriate cellular response, living creatures have evolved a vast range of intricate procedures to send signals from the outside to the inside.
  • These molecular pathways can develop flaws that result in a variety of ailments, including diabetes, cancer, and psychotic conditions.
  • It is the mechanism by which a cell responds to the stimuli it receives from the environment by diffusion of those signals to its internal compartments.
  • Signal transduction is the process by which a cell translates a given signal or external stimulus into another signal or specific response.
  • First, a particular receptor on the cell's membrane or cytoplasm must be activated by a signaling molecule (also known as a ligand). transduction.
  • Ligand-receptor binding is extremely specific; it can be compared to a lock and key.
  • Second messengers are chemicals that enable intracellular signal amplification after a signal has been received.
  • A ligand's interaction to a receptor may result in the production of hundreds of second messenger molecules, which may then change thousands of effector molecules to cause a variety of reactions.
  • Signal transduction enables cells to perceive, interpret, and react to various environmental signals, enabling them to carry out their usual functions.

To learn more about signal transduction visit:

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7 0
1 year ago
An older adult client takes diazepam for anxiety. Which drug level should be routinely evaluated for possible toxicity
nata0808 [166]

The drug that should be routinely evaluated for possible toxicity is digoxin.

<h3>What is toxicity?</h3>

The term toxicity refers to the point that a drug could lead to harm in a patient. This often stems from the use of the drug.

Given that the drug digoxin has been traditionally used to treat heart conditions an could lead to toxicity, it ought to be evaluated for possible toxicity.

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4 0
2 years ago
An unconscious adult victim is gasping for breath and having difficulty breathing. the scene is safe and help has been called. n
NISA [10]

An unconscious adult victim is gasping for breath and having difficulty breathing. The scene is safe and help has been called. Next you should use the head tilt chin lift procedure.

An unconscious patient is at risk of blocking their airway and suffocating. The main reason for this occurring is due to the tongue. An unconscious patient loses all their muscular tone, and this includes the tongue! The tongue can fall back and block the airway.

This situation is an emergency – without a supply of oxygen reaching the lungs, the patient will suffocate in a matter of minutes.

In CPR, we use the head-tilt, chin-lift method to open the airway.

How to Perform a Head-tilt Chin-lift :

  1. Kneel next to the patient’s head
  2. Place one hand on the patient’s forehead and tilt the head gently backward
  3. Place two fingers under the bony part of their chin and lift the chin vertically upwards
  4. Take care not to place any pressure on the soft part of the neck as this could obstruct the airway

If a cervical spine injury is suspected, then the modified jaw thrust would be used in place of "head-tilt, chin-lift". The jaw thrust is a technique used on patients with a suspected spinal injury and is used on a supine patient.

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6 0
1 year ago
What is the effect of maternal nutritional deprivation during lactation?
Inga [223]
Nutritional deprivation during lactation decreases the quantity of milk she produces. It does not affect the macronutrients or minerals, but some vitamins will be lower in breast milk if her intake and stores are low.
5 0
2 years ago
Allison, a mother of two, is considering going back to school. She has worked in a dermatology clinic for several years and woul
Rasek [7]

Answer:

B

Explanation:

The answer is B

5 0
2 years ago
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