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Why are some bacteria and microorganisms referred to as superbugs?
Superbugs are bacteria and microorganisms that have developed resistance to multiple antibiotics, making them difficult to treat. This resistance can result from overuse or misuse of antibiotics, allowing the bacteria to evolve and survive. Superbugs pose a significant threat to public health as they can cause infections that are challenging to cure.
When the atria contract ahead of time is called?
When the atria contract ahead of time, it is referred to as atrial fibrillation. This is a type of irregular heart rhythm where the atria quiver or fibrillate instead of contracting properly. It can lead to symptoms like palpitations, shortness of breath, and an increased risk of blood clots.
What is apical thrust?
Apical thrust is a geological term that refers to the phenomenon where a fold or thrust fault in the Earth's crust moves in a direction towards the Earth's surface due to tectonic compression. It commonly occurs in mountain-building processes where rocks are pushed upwards and outwards.
A localized concentration of melanin is referred to as a?
A localized concentration of melanin is referred to as a freckle.
What are the sensory receptors for smell referred to as?
The sensory receptors for smell are referred to as olfactory receptors.
What is the opposition to voltage change called?
The opposition to voltage change in an electrical circuit is referred to as "impedance." Impedance is a complex quantity that encompasses both resistance and reactance, affecting how alternating current (AC) flows in a circuit. It determines how much a circuit resists changes in voltage and current. In direct current (DC) circuits, this opposition is simply referred to as resistance.
What is definition of impedence?
Impedance is usually written in equations as Z. Impedance is the real resistance (usualyl referred to as R), and the imaginary / reactive opposition (using an imaginary number 'i' or 'j', depending on your area of study). Z = R + j*n, where 'n' is the reactive opposition.Additional AnswerCurrent, in an A.C. circuit, is opposed by the resistance(R) of that circuit and the reactance (X) of that circuit. Reactance may be 'inductive reactance' (XL) or 'capacitive reactance' (XC) -depending on the nature of the circuit.Inductive reactance is directly proportional to the supply frequency; capacitive reactance is inversely proportional to the supply frequency; resistance is independent of frequency.Impedance (Z) is the vector sum (not algebraic sum) of a circuit's resistance and reactance, and may be considered as the total opposition to the flow of A.C. current.Resistance, reactance, and impedance are each measured in ohms.
What cardiac arrhythmia is fatal unless reversed?
Cardiac arrhythmia is usually fatal unless reversed by electric defibrillation. Cardiac arrhythmia is also sometimes referred to as ventricular fibrillation.
What is the physiology of ventricular tachycardia?
A rapid heart rate can originate in either the left or right ventricle. Ventricular tachycardia which lasts more than 30 seconds is referred to as sustained ventricular tachycardia
The contraction of the ventricles is referred to as systole and the period of ventricular relaxation is called?
I believe that is called diastole, in contrast to systole, the contraction of the heart muscles.
What would a premature ventricular contraction in which the QRS waves have the same configuration each time they appear be described as?
A group of premature ventricular contractions in which the QRS configuration is always the same are referred to as monomorphic premature ventricular contractions.
What is synchronous impedance?
Synchronous impedance is also known as the EMF method. It is a ratio of open circuits to short circuits, when they both are referred to the same field excitation.
What is the resistance of an inductor called?
The resistance of an inductor is generally referred to as the series resistance, sometimes noted as RL. Note that resistance is a DC measurement and that an "ideal" textbook inductor has an RL of 0. The reactance of an inductor is an AC measurement which measures the reaction of a component's current flow to an alternating voltage and is frequency dependent and directly proportional to the inductor's inductance, measured in Henrie's. The impedance is most commonly used when talking about inductors or capacitors and is a combination of resistance and reactance.
The resistance of a fluid to flow is referred to as?
SOLID
Uncoordinated irregular activity of the ventricles is referred to as ventricular what?
Uncoordinated irregular activity of the ventricles is referred to as ventricular fibrillation. This condition is characterized by rapid, chaotic electrical impulses in the ventricles, preventing them from contracting effectively and pumping blood. It is a life-threatening emergency that requires immediate medical intervention, such as defibrillation, to restore a normal heart rhythm.
What is the ventricular system?
The ventricular system is a network of interconnected cavities in the brain that produce and circulate cerebrospinal fluid (CSF). It consists of four ventricles: two lateral ventricles, the third ventricle, and the fourth ventricle. The ventricular system helps protect the brain by providing cushioning and support, removing waste, and regulating pressure within the skull.
What is a solar ejection?
A solar ejection, commonly referred to as a coronal mass ejection (CME), is a significant release of plasma and magnetic field from the solar corona into space. These explosive events can propel billions of tons of solar material at high speeds and can impact Earth's magnetosphere, potentially disrupting satellite communications, power grids, and causing auroras. CMEs are often associated with solar flares and are an important aspect of solar activity.
