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Why do the different skeletal muscle fiber types vary in the speed and duration of their twitches?

IrinaVladis [17]

Answer:

The different skeletal muscle fiber types vary in the speed and duration of their twitches due to -

b) They vary in the rate of hydrolysis of ATP

c) They vary in the removal of Ca+ from the cytosol

Explanation:

There are mainly two types of muscle fibers , i.e.

a) slow twitching, long contraction duration( type I fibers)

b) First twitching but short duration of contraction. ( type II fibers).

Now think of the physiology of muscle. Two components are important, cytosolic Ca++ concentration and Availability of ATP. K+ is related to the action potential ( none or all law, there is no relation to the duration with respect to the potassium). For long contraction muscle fibers need a more steady supply of ATP, and also consistent high concentration of cytosolic Ca++ for muscle contraction to happen. So, these two factor is important for the duration of twitching. So the answer is option f .

5 0

3 years ago

in the course of recording patient information in the electronic health record, the medical assistant noticed that an error was

likoan [24]

The correct procedure for making the correction is : Draw a single line through info, note recorded in area, initial and date.

<h3>What constitutes the medical reports ?
</h3>

A patient's medical history, clinical findings, diagnostic test results, pre- and postoperative treatment, patient progress, and medication are all explained in detail in their medical records. If notes are properly documented, they will support the doctor's assessment of the efficacy of the treatment.

Important elements of a medical record:

information on the patient's age, sex, nationality, etc.

social assessments of people's occupations, etc.

details regarding their genetic makeup.

We currently have a medical history and a diagnosis.

a list of drugs.

a list of the patient's vaccinations.

lab test outcomes.

TO know more about medical reports you may visit the link:

brainly.com/question/7235663

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3 0

1 year ago

Which is a gerontological consideration associated with the pancreas?

horrorfan [7]

The increased amount of fibrous material is a gerontological consideration associated with the pancreas (Option a).

<h3>How is the pancreas in elderly people?</h3>

The pancreas in elderly people is characterized to have an excessive amount of connective fibrous tissue which may hamper the functioning of this organ as a progression of age.

Therefore, with this data, we can see that the pancreas in elderly people may be altered in its function due to the fibrous connective tissue.

Complete question:

Which is a gerontological consideration associated with the pancreas?

-Increased amount of fibrous material

-Increased bicarbonate output

-Increased rate of pancreatic secretion

-Increased calcium absorption

Learn more about pancreatic conditions and age here:

brainly.com/question/9206785

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4 0

1 year ago

54.Uterine subinvolution after normal delivery may occur as a

never [62]

It is the Endometriosis

6 0

3 years ago

most health experts recommend only eating tuna a few times a week and only eating shark a few times a month. why would health ex

ANEK [815]

Most health experts recommend eating tuna a few times a week and eating shark few times a month because: eating these fish could result in the buildup of pollutants in fat tissue of humans.

<h3>Why health experts recommend tuna and shark to be consumed less?</h3>

Large fish like sharks and tuna feed on smaller fish and can accumulate high levels of environmental pollutants like mercury and the risk also increases as off-shore pollution increases.

Shark meat is recommended only a few times a month because sharks are apex predators who accumulate high levels of toxic chemicals and heavy metals from both skin absorption and from consuming prey. This is called bioaccumulation.

To know more about bioaccumulation, refer

brainly.com/question/9865878

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8 0

1 year ago