Medical Mcqs

Base of the tongue is attached to the_____________?

• (A)  Hyoid bone
• (B)  Mandible
• (C)  Hyoid bone and mandible
• (D)  None of the above

Answer

Submitted By :Ali Uppal

Structures related to the medial surface of the hyoglossus muscle in include the following EXCEPT_______________?

• (A)  Glossopharyngeal nerve
• (B)  Stylohyoid ligament
• (C)  Lingual artery
• (D)  Hypoglossal nerve

Answer

Submitted By :Ali Uppal

The mucosa of the posterior third of the tongue is supplied by______________?

• (A)  Facial nerve
• (B)  Trigeminal nerve
• (C)  Mandibular nerve
• (D)  Glossopharyngeal nerve

Answer

Submitted By :Ali Uppal

Hypoglossal nerve supplies to all the following muscles EXCEPT____________?

• (A)  Palatoglossus
• (B)  Genioglossus
• (C)  Hyoglossus
• (D)  Styloglossus

Answer

Submitted By :Ali Uppal

When a patient protrudes his tongue, it deviated to the right. Which of the following nerves is damaged ?

• (A)  Left hypoglossal
• (B)  Glossopharyngeal
• (C)  Right hypoglossal
• (D)  Facial nerve

Answer

Submitted By :Ali Uppal

Arterial PO2 is reduced in_____________?

• (A)  Anemia
• (B)  KCN poisoning
• (C)  Pulmonary hypoventilation
• (D)  CO poisoning

Answer

Submitted By :Ali Uppal

Which of the following does not stimulate alveolar hyperventilation ?

• (A)  Hypoxia
• (B)  Hypercapnia
• (C)  Acidosis
• (D)  Stretching of airways

Answer

Submitted By :Ali Uppal

The most common form of hypoxia is______________?

• (A)  Hypoxic
• (B)  Stagnant
• (C)  Anemic
• (D)  Histotoxic

Answer

Submitted By :Ali Uppal

In Haldane effect CO2 dissociation curve is shifted to_____________?

• (A)  Left
• (B)  Right
• (C)  Does not shift
• (D)  None of the above

Answer

Submitted By :Ali Uppal

The oxygen tension of the mixed venous blood is______________?

• (A)  25 mm Hg
• (B)  40 mm Hg
• (C)  55 mm Hg
• (D)  70 mm Hg

Answer

Submitted By :Ali Uppal