Question

the prominent ridges in the lining of the stomach are called ______.
○ cardia.
○ rugae.
○ villi.
○ papillae.
question 2 (2.5 points)
choose the correct statement regarding the esophagus.
○ it releases digestive enzymes.
○ it is a muscular tube.
○ it extends from the pharynx to the stomach.
○ it absorbs carbohydrates.
question 3 (2.5 points)
aphonia is seen in patients with ______.
○ bronchitis
○ asthma
○ laryngitis
○ allergic rhinitis
question 4 (2.5 points)

Explanation:

Question 1

The prominent ridges in the stomach lining are rugae. Cardia is the opening from esophagus to stomach, villi are in the small intestine, and papillae are in the tongue or other structures.

The esophagus is a muscular tube that moves food from pharynx to stomach. It doesn't release enzymes (that's stomach/pancreas etc.), doesn't absorb carbohydrates (small intestine), and while it is muscular, the most accurate and specific correct statement is it extends from pharynx to stomach (though "it is a muscular tube" is also correct, but "extends from pharynx to stomach" is more descriptive of its function/path). Wait, actually, both "It is a muscular tube" and "It extends from the pharynx to the stomach" are correct? Wait, no—let's check. The esophagus is a muscular tube (so that's correct), and it extends from pharynx to stomach (also correct). But maybe the question has one best answer. Wait, the options: "It releases digestive enzymes" – no. "It is a muscular tube" – yes. "It extends from the pharynx to the stomach" – yes. "It absorbs carbohydrates" – no. But maybe the intended answer is "It extends from the pharynx to the stomach" or "It is a muscular tube". Wait, perhaps the answer is "It extends from the pharynx to the stomach" as a more defining characteristic. Alternatively, "It is a muscular tube" is also correct. But let's see standard anatomy: The esophagus is a muscular tube (composed of smooth and skeletal muscle) that extends from the pharynx (specifically oropharynx) to the stomach (cardia). So both B and C? Wait, the options are:

• It releases digestive enzymes. (No)
• It is a muscular tube. (Yes)
• It extends from the pharynx to the stomach. (Yes)
• It absorbs carbohydrates. (No)

But maybe the question considers "It extends from the pharynx to the stomach" as the correct one, or "It is a muscular tube". Wait, perhaps the intended answer is "It is a muscular tube" or "It extends from the pharynx to the stomach". Wait, maybe the answer is C. It extends from the pharynx to the stomach. Or B. Let's check textbooks: The esophagus is a muscular tube (so B is correct) that connects the pharynx to the stomach (so C is correct). But maybe the question has a typo, or one is more correct. Alternatively, maybe the answer is C. It extends from the pharynx to the stomach.

Wait, perhaps the answer is C. It extends from the pharynx to the stomach.

Aphonia (loss of voice) is associated with laryngitis (inflammation of larynx, which contains vocal cords). Bronchitis affects bronchi, asthma is airway constriction, allergic rhinitis is nasal inflammation.

Answer:

B. rugae

Question 2