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Author Question: A patient is having an allergic reaction to mold. The patient describes chest tightness and ... (Read 53 times)

folubunmi

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on: Jul 23, 2018
A patient is having an allergic reaction to mold. The patient describes chest tightness and difficulty breathing. Which of the following body effects is occurring?
 
  A) Contraction of smooth muscle in the bronchi
  B) Suppression of the vagus nerve endings producing tachycardia
  C) Decreased permeability of the veins and capillaries
  D) Decreased secretion of the mucous glands

Question 2

Defecation is normally stimulated by what physiologic trigger?
 
  A) Movements and reflexes in the gastrointestinal tract
  B) Stimulation from the medulla oblongata
  C) Synthesis and release of digestive enzymes
  D) Changes in the osmolarity of bowel contents


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ErinKing

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Reply #1 on: Jul 23, 2018
Answer to Question 1

A
Feedback:
An allergic reaction produces contraction of the smooth muscle in the bronchi and bronchioles. The patient will have stimulation, not suppression, of the vagus nerve endings. The patient will have increased, not decreased, permeability of the veins and capillaries. The patient will have increased secretion from the mucous glands, producing nasal congestion.

Answer to Question 2

A
Feedback:
Defecation is normally stimulated by movements and reflexes in the gastrointestinal tract. It does not result from changes in osmolarity, CNS stimulation, or the release of enzymes.


folubunmi

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Reply 2 on: Jul 23, 2018
Great answer, keep it coming :)

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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