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IrinaVladis [17]
3 years ago
7

Why does the action potential propagate in one direction

Medicine
1 answer:
Elina [12.6K]3 years ago
6 0

Answer:

because the sodium channels have a refractory period following activation, during which they cannot open again and it ensures that the action potential is propagated in a specific direction along the axon.

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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

#SPJ4

4 0
2 years ago
A client with primary hypothyroidism has been taking levothyroxine for a year. Laboratory results today show high levels of TSH.
dolphi86 [110]

Answer:

c. The abnormality is in the thyroid gland itself.

Explanation:

Primary hypothyroidism arises from a pathology in the thyroid gland itself and occurs when the thyroid gland is not able to perform one of its many physiology. Secondary hypothyroidism starts at the level of the pituitary gland and results from under secretion of TSH. TSH is needed to trigger the release of the T3 and T4 stored in the thyroid gland. Tertiary hypothyroidism is caused by a decrease level of the TRH from the hypothalamus. This reduced level, in turn, reduces TSH and thyroid hormone levels in the blood, hence in the body and the patient suffer the symptoms.

4 0
3 years ago
What is hippa intended to protect patients from
seraphim [82]

Answer:

The HIPAA Privacy Rule for the first time creates national standards to protect individuals' medical records and other personal health information. It gives patients more control over their health information. It sets boundaries on the use and release of health records.

4 0
3 years ago
Read 2 more answers
Funny bone is called?
ioda

Answer:

The answer is: ulna nerve

Explanation:

The ulna nerve, also known as the funny bone, is a major nerve present alongside the ulna bone. This nerve is not protected by any bone or muscle, therefore, it is the most extensive unprotected nerve in the human body.

This is because when the ulna nerve gets bumped, the individual experiences an electric shock-like sensation.

7 0
3 years ago
Divide the word into word parts. Define the word parts, then define the term. Example: spondylolisthesis = spondyl/o vertebra, -
IgorC [24]

Answer:

arthro-joint plasty-repair or replacement

arthroplasty- repair or replacement of the joint

syndactyl,-multipple digits  ism-disease or conditon  syndactylism is  a birth defect in which the infant is born more with extra webbed fingers or toes

osteo -bone  myelitis -inflamation of osteo myelitits is the inflammation of the bone

elctro- meaning electric   ,myography- use of a myograph, electromyography

is a procedure diagnostic to show health of muscles and nerves

ankyl-bent or crooked   osis-state or condition  ankylosis- is a stiffness of a joint due to abnormal adhesion and rigidity of the bones of the joint, which may be the result of injury or disease.

osteo-bone clasis -break or broken

osteoclasis-the breaking of a bone

(brainliest?

Explanation:

8 0
3 years ago
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