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olya-2409 [2.1K]
3 years ago
10

Why must cholesterol, although lipid-soluble, cross most membranes by means of receptor-mediated endocytosis or transporters? Pr

opose a mechanism for co-transport of cholesterol through a plasma membrane.
Medicine
1 answer:
N76 [4]3 years ago
5 0

Cholesterol, although lipid-soluble, cross most membranes by means of receptor-mediated endocytosis or transporters is given below

Propose a mechanism for co-transport of cholesterol through a plasma membrane is given below .

Explanation:

1.Cholesterol is a lipid-soluble molecule.If this is the only characteristic of the molecule so there will be no problem crossing the phospholipid bilayer due to its lipid solubility.

2.Cholesterol must cross most membranes by means of receptor-mediated endocytosis because it is a macromolecule.

3.Cholesterol functions to immobilise the outer surface of the membrane, reducing fluidity. It makes the membrane less permeable to very small water-soluble molecules that would otherwise freely cross. It functions to separate phospholipid tails and so prevent crystallisation of the membrane.

4.Most cholesterol is transported in the blood as cholesteryl esters in the form of lipid-protein particles known as low-density lipoproteins (LDL) (Figure 13-43). When a cell needs cholesterol for membrane synthesis, it makes transmembrane receptor proteins for LDL and inserts them into its plasma membrane

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a.

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The most appropriate step to manage the patient's symptoms as mentioned in question is Quadriceps strengthening exercises.

<h2>What is quadriceps?</h2>

The Quadriceps femoris is one of the largest and most powerful muscle of the human body. The quadriceps femoris is both a hip flexor and a knee extensor. It is made up of  four individual muscles; the rectus femoris, and three vastus muscles.  They are one of the strongest muscles in the body and make up the majority of the thigh.

Anterior knee discomfort in young women is frequently caused by patellofemoral pain syndrome. Usually, chronic usage or misalignment is at blame for such discomfort. A patellofemoral compression test can simulate the discomfort. Exercises for stretching and strengthening of quadriceps are part of the initial therapy, along with activity modification and non-steroidal anti-inflammatory medications.

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7 0
2 years ago
What are the five domains of athletic training? Please explain each domain.
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Prevention, immediate and emergency care, clinical evaluation and diagnosis, treatment and rehabilitation, and well being. each of the domains are somewhat self explanatory
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3 years ago
It is appropriate for the nurse to recommend smoking cessation for clients with hypertension because nicotine.
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Yes, it is appropriate for the nurse to recommend smoking cessation for clients with hypertension because nicotine in cigarettes causes your blood vessels to constrict and the heart to beat more rapidly, thus raising your blood pressure.

Nicotine is a extremely addictive chemical compound present in a tobacco plant.  Nicotine is a stimulant, which makes tobacco products addicting. Even when people wish to stop using tobacco products, nicotine prevents them from doing so.

Because of ongoing tobacco use, the number of deaths and disabilities attributable to tobacco use is rising globally (mainly cigarettes). While tobacco use is steadily increasing in high-income countries like the USA, it has reached epidemic proportions in many low- and middle-income nations (The Tobacco Atlas 2015; CDC 2016). 68 % of adult smokers in the United States want to stop, and millions have tried to do so, according to the Centers for Disease Control (CDC 2017).

Each year, 70 % of smokers contact a healthcare provider (AHRQ 2008). Since nurses participate in the majority of these visits and constitute the biggest group of healthcare providers globally, they have the potential to have a significant impact on the decline in tobacco use.

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4 0
2 years ago
Kamea has always had a bad back. Lately she has been experiencing a great deal of pain in her lower back. Her experience of pain
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Answer:

expectations

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Kamea has always had a bad back. Lately she has been experiencing a great deal of pain in her lower back. Her experience of pain is in part the result of her EXPECTATIONS about pain.

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