Answer:
All carry oxygenated blood to the heart
Answer:
Many cells in the body have extensions of their cellular menbrana, which depending on their length can be cilia or microvilli, which are the shortest. We see the case, for example, the microvilli found in the small intestine, more abundant at the level of the second and third portions of the intestine, which favors the great absorption of liquids, proteins and nutrients that occur at this level.
Cilia are cellular structures that have a more defined formation and are characterized by their nucleus being made up of proteins and enveloped by the cytosol and plasma menbrana. They are presented as an appendix in the form of hair; We will find these cilia in the cells of the respiratory system and in the reproductive system where they help the mobility of foreign bodies (respiratory system) and the movements of sperm (reproductive system).
Dr. Benson may be showing a Blind Spot bias.
<h3>What is a bias?</h3>
- Bias is the prejudice or inclination in favor of one person, thing or an idea such that it is considered to be unfair.
- Bias can be innate or learned (developed).
- The Dictionary of Psychology given by the American Psychological Association (APA) defines blind spot bias as the tendency of people with which they see themselves as less susceptible to nonconscious predispositions and cognitive influences than others.
- In this type, a person fails to see the impact of a bias on one’s own judgment.
- People who are high in bias blind spot are more likely to ignore the advice of other people as it also increase susceptibility to other related biases.
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Background: Skeletal muscle weakness is assumed to be present in patients with sarcoidosis but has never been reported in a consecutive group of patients. Moreover, its relationship with previously observed exercise intolerance and reduced health status has never been studied in these patients.
Methods: Pulmonary function, skeletal and respiratory muscle forces, peak and functional exercise capacity, health status, and the circulating levels of inflammatory and anabolic markers were determined in 25 patients with sarcoidosis who complained of fatigue (15 men) and in 21 healthy subjects (13 men).
Results: Patients with sarcoidosis had lower respiratory and skeletal muscle forces, reduced exercise capacity and health status, higher anxiety and depression scores, and higher circulating levels of tumor necrosis factor-alpha than healthy subjects (all p< or =0.01). Its soluble receptor p75 tended to be higher (p=0.04). Circulating levels of interleukin (IL)-6, IL-8, insulin-like growth factor I, and its binding protein 3 were not significantly different between the two groups. Skeletal muscle weakness was related to exercise intolerance, depression, and reduced health status in patients with sarcoidosis, irrespective of age, sex, body weight, and height (p< or =0.05). Quadriceps peak torque was inversely related to fatigue but not to the circulating levels of inflammatory or anabolic markers. The mean daily dose of corticosteroids received in the 6 months before testing was related to quadriceps peak torque only in patients who received oral corticosteroids.
Conclusion: Skeletal muscle weakness occurs in patients with sarcoidosis who complain of fatigue and is associated with reduced health status and exercise intolerance.
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