DAANCE Basic Sciences and Anatomy 4

Question 1

Which cranial nerve provides sensory innervation to the anterior two-thirds of the tongue?

Accepted Answer

Lingual nerve (branch of CN V3)

Answer

The lingual nerve, a branch of the mandibular division of the trigeminal nerve (CN V3), carries general sensation from the anterior two-thirds of the tongue.

Question 2

The epiglottis is composed primarily of which type of cartilage?

Accepted Answer

Elastic cartilage

Answer

The epiglottis is composed of elastic cartilage, which allows it to flex and return to shape during swallowing.

Question 3

Which of the following best describes the Mallampati classification system used in anesthesia?

Accepted Answer

It predicts ease of visualization of the oropharynx for airway management

Answer

The Mallampati classification assesses airway difficulty by evaluating the visibility of oropharyngeal structures with the mouth open and tongue protruded.

Question 4

The thoracic duct drains lymph from the left side of the body and empties into the:

Accepted Answer

Left subclavian vein at the junction with the left internal jugular vein

Answer

The thoracic duct empties into the venous system at the junction of the left subclavian and left internal jugular veins.

Question 5

Which component of the autonomic nervous system is responsible for the 'fight or flight' response?

Accepted Answer

Sympathetic nervous system

Answer

The sympathetic nervous system triggers the fight-or-flight response, increasing heart rate, dilating bronchioles, and redirecting blood flow to muscles.

DAANCE - Dental Anesthesia Assistant National Certification Examination Practice Test

DAANCE - Dental Anesthesia Assistant National Certification Examination Practice Test

DAANCE Basic Sciences and Anatomy 4