Of the following is a reflex mediated by vagus ?

Related Mcqs:

1. Gag reflex is mediated by _______ cranial nerve ?

   A. VII
   B. IX
   C. X
   D. XII

2. Afferent component of corneal reflex is mediated by ________________?

   A. Vagus nerve
   B. Facial nerve
   C. Trigeminal nerve
   D. Glossopharyngeal nerve

3. Which of the following is innervated by the vagus nerve ?

   A. The levator velti palatine ( levator palatini)
   B. The psterior belly of digastric
   C. Mylohyoid
   D. The tensor veli palatine ( tensor palatini)

4. Cephalic phase of gastric secretion is mediated by ______________?

   A. Neuro hormones
   B. Vagus
   C. Hormones
   D. Gastric

5. Type I hypersensitivity is mediated by which of the following immunoglobulins ?

   A. IgA
   B. IgG
   C. IgM
   D. IgE

6. Which of the following is most potent antigen for stimulating both humoral and cell mediated immunity ?

   A. Adjuvant
   B. Proteins
   C. Polysaccharides
   D. Lipids

7. Hypercalcemia associated with malignancy is most often mediated by _____________?

   A. Parathyroid hormone ( PTH)
   B. Parathyroid hormone related protein (PTHrP)
   C. Interleukin – 6 ( IL- 6)
   D. Calcitonin

8. In T.B cell mediated immunity is by_______________?

   A. CD 4*
   B. CD 8*
   C. B – lymphocytes
   D. None of the above

9. Type IV hypersensitivity reaction is mediated by which of the following________________?

   A. B-cells
   B. Active T cells
   C. NK cells
   D. Plasma cells

10. The metabolic effects of sympathomimetics are mediated by__________________?

    A. All beta-adrenergic receptors
    B. Dopaminergic receptors
    C. Beta 2 receptors
    D. Opioid receptors