Question

After air enters the nasopharynx, where does it travel before entering the lungs?

Question 1 options:

	Through the oropharynx, laryngopharynx, and esophagus.
	Through the laryngopharynx, epiglottis, and trachea.
	Through the oropharynx, laryngopharynx. larynx, and trachea.
	Through the esophagus and trachea.

The larynx is surrounded by many different types of cartilage. Which of the following is not a cartilage type associated with the larynx?

Question 4 options:

	Arytenoid cartilage
	C shaped cartilage
	Thyroid cartilage
	Cricoid cartilage

An individual recently suffered an injury which left him unable to breath regularly. Damage to which of the following nerves could cause this to occur?

Question 7 options:

	The accessory nerve
	The phrenic nerve
	The subcostal nerve
	The respiratory nerve

Damage to which of the following respiratory structures is associated with emphysema?

Question 8 options:

	Alveoli
	Lung interstitum
	Bronchi
	Trachea

Answer 1

1)After travelling through the nasopharynx, air travels through

Oropharynx

Laryngopharynx

Larynx

Trachea

Then it enters into the lungs.

So answer is C.

4)C shaped cartilage are not present in the larynx.

7)Phrenic nerve supplies the diaphragm, which is essential muscle in j in inspiration.So damage to phrenic nerve will cause irregular breathing.

So answer is B.

8)Alveolar walls are damaged in emphysema.

So answer is A.