National Board Dental Hygiene Examination (NBDHE) Practice Test 2022 (181 Questions with 100% Correct Answers) LATEST UPDATE

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1. During swallowing, the hyoid bone moves downward. During swallowing, the larynx elevates. a. Both statements are true b. Both statements are false c. The first statement is true, the second stat... ement is false d. The first statement is false, the second statement is true - ✔✔d - false/ true During swallowing, the hyoid bone moves upward as the larynx elevates. After moving upward, the hyoid bone moves forward then returns to its starting position. 2. Which nervous system produces the fight-or-flight reaction? a. Parasympathetic b. Sympathetic c. Peripheral d. Central - ✔✔b - The sympathetic nervous system releases norepinephrine to raise the heart rate and elevate blood pressure, triggering the fight or flight reaction in a stressful situation. 3. A patient is experiencing symptoms related to Bell's palsy. Which cranial nerve is suffering from a motor deficit? a. Facial b. Trigeminal c. Trochlear d. Hypoglossal - ✔✔a - Bell's palsy causes loss of movement to muscles due to lesions in the facial nerve. This condition is bilateral and usually is only temporary, though it may take several weeks prior to returning to normal use. 4. What is mobilized in and out of the blood during bone remodeling? a. Canaliculib. Osteoclasts c. Calcium d. Osteoblasts - ✔✔c - Calcium is mobilized in and out of the bloodstream during bone remodeling. This allows new bone formation to occur in areas of the body where it is needed. 5. Which of the following cranial nerves pass through the foramen ovale of the sphenoid bone? a. Trigeminal mandibular b. Nasopalatine c. Trigeminal maxillary d. Abducent - ✔✔a - The trigeminal mandibular nerve passes through the foramen ovale of the sphenoid bone [Show More]

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