From which pharyngeal pouches do the parathyroid glands develop ?

Related Mcqs:

1. Superior parathyroid glands are derived from________________?

   A. 1st branchial pouch
   B. 2nd branchial pouch
   C. 3rdbranchial pouch
   D. 4thbranchial pouch

2. Parathyroid glands are supplied by _____ artery?

   A. Common Carotid
   B. Superior thyroid
   C. Middle thyroid
   D. Inferior thyroid

3. Derivative of second pharyngeal arch is________________?

   A. Spheno Mandibular Ligament
   B. Stylomandibular ligament
   C. Anterior ligament of Malleus
   D. Stylohyoid Ligament

4. First pharyngeal arc derivatives include which of the following structures ?

   A. Hyoid bone
   B. Maxillary process
   C. Stapes
   D. Styloid process

5. The only pharyngeal muscle innervated by the glossopharyngeal nerve is the_______________?

   A. Style pharyngeus
   B. Palatopharyngeus
   C. Superior constrictor
   D. Middle constrictor

6. The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?

   A. 3.5 seconds
   B. 1-1.5 seconds
   C. 6.0 seconds
   D. 9.5 seconds

7. Pharyngeal phase of deglutition_____________?

   A. Is a reflex mechanism
   B. Vocal cords are closed
   C. Is a voluntary mechanism
   D. A and B

8. Patient comes with pain pharyngeal region and is having carcinoma of nasopharynx. The diagnosis is _____________?

   A. Horner’s syndrome
   B. Glossopharyngeal neuralgia
   C. Trotter’s syndrome
   D. Eagles syndrome

9. The receptors for parathyroid hormone are present in______________?

   A. Osteoblasts
   B. Osteoclasts
   C. Periosteum
   D. Cartilage

10. Removal of parathyroid gland produces the following changes EXCEPT_________________?

    A. Decline plasma calcium level
    B. Decrease in plasma phosphate level
    C. Neuromuscular hyperexcitability
    D. hypo calcemic tetany