LRA 225 WEEK 1 TEST PAPER FULL
SOLUTION QUESTIONS AND CORRECT
ANSWERS GRADED A+
●● What are the three sections of the chest radiographic anatomy?
Answer: Bony thorax, respiratory system proper, and mediastinum.
●● What is the protective framework for the thoracic viscera?
Answer: The bony thorax.
●● What are the three divisions of the sternum?
Answer: Manubrium, body, and xiphoid process.
●● How many pairs of ribs are there in the bony thorax?
Answer: 12 pairs.
●● What is the vertebra prominens?
Answer: The spinous process of the seventh cervical vertebra.
●● What landmark is used for determining CR placement on AP chest
projections?
Answer: Jugular notch.
,●● What is the level of the xiphoid process?
Answer: Approximately T9-T10.
●● What is respiration?
Answer: The exchange of gaseous substances between the air and the
bloodstream.
●● What are the four general divisions of the respiratory system?
Answer: Pharynx, trachea, bronchi, and lungs.
●● What is the primary muscle of inspiration?
Answer: The diaphragm.
●● What is the function of the pharynx?
Answer: It serves as a passageway for food, fluids, and air.
●● What are the three divisions of the pharynx?
Answer: Nasopharynx, oropharynx, and laryngopharynx.
●● Where is the nasopharynx located?
Answer: Posterior to the nose.
, ●● What is the role of the epiglottis during swallowing?
Answer: It covers the laryngeal opening to prevent food and fluid from
entering the larynx.
●● What connects the pharynx with the stomach?
Answer: The esophagus.
●● What is the approximate length of the larynx in an adult?
Answer: 1½ to 2 inches (4 to 5 cm).
●● What structure is the larynx suspended from?
Answer: The hyoid bone.
●● What is the upper margin of the larynx at the level of?
Answer: Approximately C3 (third cervical vertebra).
●● What is the lower margin of the larynx at the level of?
Answer: C6 (where it joins with the trachea).
●● What is the function of the vocal cords located within the larynx?
Answer: They produce sound as air passes between them.
SOLUTION QUESTIONS AND CORRECT
ANSWERS GRADED A+
●● What are the three sections of the chest radiographic anatomy?
Answer: Bony thorax, respiratory system proper, and mediastinum.
●● What is the protective framework for the thoracic viscera?
Answer: The bony thorax.
●● What are the three divisions of the sternum?
Answer: Manubrium, body, and xiphoid process.
●● How many pairs of ribs are there in the bony thorax?
Answer: 12 pairs.
●● What is the vertebra prominens?
Answer: The spinous process of the seventh cervical vertebra.
●● What landmark is used for determining CR placement on AP chest
projections?
Answer: Jugular notch.
,●● What is the level of the xiphoid process?
Answer: Approximately T9-T10.
●● What is respiration?
Answer: The exchange of gaseous substances between the air and the
bloodstream.
●● What are the four general divisions of the respiratory system?
Answer: Pharynx, trachea, bronchi, and lungs.
●● What is the primary muscle of inspiration?
Answer: The diaphragm.
●● What is the function of the pharynx?
Answer: It serves as a passageway for food, fluids, and air.
●● What are the three divisions of the pharynx?
Answer: Nasopharynx, oropharynx, and laryngopharynx.
●● Where is the nasopharynx located?
Answer: Posterior to the nose.
, ●● What is the role of the epiglottis during swallowing?
Answer: It covers the laryngeal opening to prevent food and fluid from
entering the larynx.
●● What connects the pharynx with the stomach?
Answer: The esophagus.
●● What is the approximate length of the larynx in an adult?
Answer: 1½ to 2 inches (4 to 5 cm).
●● What structure is the larynx suspended from?
Answer: The hyoid bone.
●● What is the upper margin of the larynx at the level of?
Answer: Approximately C3 (third cervical vertebra).
●● What is the lower margin of the larynx at the level of?
Answer: C6 (where it joins with the trachea).
●● What is the function of the vocal cords located within the larynx?
Answer: They produce sound as air passes between them.
