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Reika [66]
1 year ago
11

at what percentage by volume of carboxyhemoglobin would a normal person experience a severe headache, weakness, dizziness, confu

sion, vision dimness, nausea, vomiting, and collapse
Medicine
1 answer:
katrin [286]1 year ago
8 0

Blood concentrations of 3 g ml and COHb levels greater than 50% in postmortem blood samples are regarded as critical situation.

<h3 /><h3>What is the most frequent starting stage of combustion in fires involving upholstered furniture that cause harm or death?</h3>

Smoldering ignition is the most common type of ignition used in house structure fires that start with upholstered furniture. 3% of these fatalities, up from 1% of these fatalities in 1980–1984 and from 3% of fires during that time.

<h3>Why is a high carboxyhemoglobin a bad thing?</h3>

Unambiguous elevation of COHb is indicative of either a hemolytic process or, more frequently, carbon monoxide poisoning. Although decreased tissue oxygenation is caused by increased COHb, this is not the main mechanism of CO toxicity. The only regularly performed laboratory measurement of COHb.

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A nurse provides teaching on hand hygiene to a client. Which of the following client statements indicates to the nurse a need fo
olya-2409 [2.1K]

The following client statements indicates to the nurse a need for further hygiene teaching "I should wash my hands until they appear clean".

  • Washing hands until they appear clean is not the correct way to maintain hygiene.
  • Generally speaking, washing your hands with soap and water is recommended. Regular soap is just as good at fighting germs as over-the-counter antibacterial soaps.
  • Clean, running water, either warm or cold, should be used to wet your hands.
  • Apply soap and thoroughly lather.
  • For at least 20 seconds, vigorously rub your hands. Keep in mind to scrub everything, including the wrists, between your fingers, and under your fingernails.
  • Clearly rinse.
  • Dry your hands using a fresh towel or let them air dry.

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4 0
2 years ago
Which assessment would support a diagnosis of type A COPD rather than type B COPD?
skelet666 [1.2K]

Airway blockage or limitation is a hallmark of the group of chronic, irreversible respiratory disorders known as a chronic obstructive pulmonary disease (COPD). It is not treatable or contagious. Reduced pulmonary airflow brought on by elevated inflammation characterises asthma and chronic obstructive pulmonary disease (COPD).

Two primary phenotypes have been established based on clinical, pathological, and radiological characteristics:

Emphysema type A and type B patients are referred to as "pink puffers" and "blue-bloaters," respectively (chronic bronchitis)

Dyspnea is the most common symptom in Type A patients, while cough and hypersecretion are mild. The main causes of the decreased diffusing capacity for carbon monoxide (DLCO) and frequently enlarged lung volumes in Type A patients include non-homogeneous ventilation and ventilation-perfusion mismatch. Type A patients also seldom have hypercapnia or recurrent heart failure.

Mucous hypersecretion is the predominant symptom of type B patients, although dyspnea is mild. While lung capacities are not expanded and carbon monoxide diffusing ability is often conserved, type B patients frequently exhibit hypercapnia, hypoxia, secondary pulmonary hypertension, and cardiovascular comorbidities.

To learn more about chronic obstructive pulmonary disease (COPD) click here

brainly.com/question/9994169

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4 0
2 years ago
During a biceps curl, the triceps play what role in contraction?
timama [110]

Answer:

A. Antagonist

Explanation:

The triceps, acting in opposition, is called the antagonist. Because the two muscles are located on opposite sides of the arm, the triceps must relax enough to allow the biceps to tense and contract during a curl. As it contracts, it shortens. As the triceps relaxes, it lengthens. (google)

5 0
3 years ago
The mechanism under the therapeutio effect of lovastatin is:
Ilya [14]

Answer:

(B). inhibiting HMG-CoA reductase.

Explanation:

Lovastatin is a drug, which is used to reduce risk for cardiovascular diseases and to reduce level of cholesterol in blood.

It works by inhibiting HMG-CoA reductase (3-hydroxy-3-methylglutaryl-coenzyme A reductase) enzyme, required for the formation of mevalonate from HMG-CoA.

Mevalonate is building block for the biosynthesis of cholesterol. Hence, lovastatin inhibits cholesterol production by inhibiting synthesis of mevalonate.

Thus, the correct answer is option (B).

 

7 0
3 years ago
Disorder refers to a range of neurodevelopmental disorders involving impaired social interaction and communication, repetitive b
Vera_Pavlovna [14]

Autism spectrum disorder (ASD) is a neuro developmental disorder characterized by deficits in social communication and social interaction and the presence of restricted, repetitive behaviors.

What is ASD disorder?

Autism spectrum disorder (ASD) is a neurological and developmental disorder that affects how people interact with others, communicate, learn, and behave. Although autism can be diagnosed at any age, it is described as a “developmental disorder” because symptoms generally appear in the first two years of life.

Why is autism a spectrum disorder?

Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. Some people with ASD have a known difference, such as a genetic condition. Other causes are not yet known. Scientists believe there are multiple causes of ASD that act together to change the most common ways people develop

Learn more about Autism Spectrum Disorder:

brainly.com/question/1043299

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7 0
1 year ago
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