What are the causes and characteristics of distributive shock? I- It is characterized by inadequate distribution of blood to tissues, usually due ...
What are the causes and characteristics of distributive shock?
I- It is characterized by inadequate distribution of blood to tissues, usually due to changes in vasomotor tone.
II- The causes of distributive shock include anaphylaxis, spinal or epidural anesthesia, and inappropriate use of vasodilator.
III- In neurogenic shock, the loss of sympathetic innervation of the smooth muscle of the vascular wall results in vasodilation.
IV- In obstructive shock, there is adequate cardiac output in the presence of intravascular volume and normal myocardial function due to mechanical obstruction to the entry and/or exit of blood from the heart.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) I, II, III, and IV are correct.
I- It is characterized by inadequate distribution of blood to tissues, usually due to changes in vasomotor tone.
II- The causes of distributive shock include anaphylaxis, spinal or epidural anesthesia, and inappropriate use of vasodilator.
III- In neurogenic shock, the loss of sympathetic innervation of the smooth muscle of the vascular wall results in vasodilation.
IV- In obstructive shock, there is adequate cardiac output in the presence of intravascular volume and normal myocardial function due to mechanical obstruction to the entry and/or exit of blood from the heart.
a) Only I and II are correct.
b) Only II and III are correct.
c) Only III and IV are correct.
d) I, II, III, and IV are correct.
💡 1 Resposta
Ed 
A resposta correta é a alternativa "a) Only I and II are correct." Explicação: Distributive shock é caracterizado por uma distribuição inadequada de sangue para os tecidos, geralmente devido a mudanças no tônus vasomotor. As causas incluem anafilaxia, anestesia espinhal ou epidural e uso inadequado de vasodilatadores. Em choque neurogênico, a perda da inervação simpática do músculo liso da parede vascular resulta em vasodilatação. Em choque obstrutivo, há débito cardíaco adequado na presença de volume intravascular e função miocárdica normal devido a obstrução mecânica na entrada e/ou saída de sangue do coração. Portanto, apenas as afirmações I e II estão corretas.
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