Respiratory-Digestive

Question 1

The transition from conducting to respiratory epithelium is marked by the presence of alveoli in the walls of respiratory bronchioles.

Answer 1

True

Question 2

The true vestibular cords contain stratified squamous non-keratinized epithelium and vocal ligament made of elastic fibers.

Answer 2

False

Question 3

The trachealis muscle, composed of smooth muscle, bridges the gap between the free ends of the tracheal cartilages

Answer 3

True

Question 4

Club cells (Clara cells) in the bronchioles secrete a surfactant-like substance and detoxify harmful substances.

Answer 4

True

Question 5

Dust cells in the liver are specialized macrophages that reside in the sinusoids and play a role in immune defense.

Answer 5

False

Question 6

The trachea contains a muscularis mucosae layer.

Answer 6

False

Question 7

The alveolar ducts are lined with simple cuboidal epithelium.

Answer 7

False

Question 8

In the small intestine, the villi are covered with stratified squamous epithelium.

Answer 8

False

Question 9

The muscularis externa of the colon includes teniae coli, which are three distinct longitudinal bands of smooth muscle.

Answer 9

True

Question 10

Peyer’s patches are lymphoid nodules found primarily in the submucosa of the ileum.

Answer 10

True

Question 11

The striated (brush) border of enterocytes in the small intestine is formed by densely packed cilia.

Answer 11

False

Question 12

Type II pneumocytes are primarily responsible for the structural integrity of the alveoli.

Answer 12

False

Question 13

Goblet cells are absent in the bronchioles but present in the bronchi.

Answer 13

True

Question 14

The fundic glands in the stomach have parietal cells predominantly located in the neck region of the gland.

Answer 14

True

Question 15

The vocal cords are covered by pseudostratified ciliated columnar epithelium.

Answer 15

False

Question 16

Type I pneumocytes cover a larger surface area of the alveolar walls compared to type II pneumocytes.

Answer 16

True

Question 17

Enteroendocrine cells in the colon secrete mucus to lubricate the intestinal contents and facilitate their passage

Answer 17

False

Question 18

The muscularis mucosae of the esophagus is particularly thick and contributes significantly to the propulsion of food.

Answer 18

False

Question 19

The pancreas contains both exocrine and endocrine components, with the exocrine portion producing digestive enzymes.

Answer 19

True

Question 20

The submucosa of the small intestine contains Meissner’s plexus, which regulates glandular secretions and blood flow

Answer 20

True