$$GFR = K_f \times [(P_{GC} - P_{BS}) - (\pi_{GC} - \pi_{BS})]$$

Question 1

Which cell type forms the majority of the alveolar wall and is responsible for secreting surfactant to prevent alveolar collapse?

Accepted Answer

Type I alveolar cells

Question 2

During normal inspiration, which equation best describes the relationship between thoracic volume and pressure, according to Boyle's Law?

Accepted Answer

$$P_1$$ $$V_1$$ = $$P_2$$ $$V_2$$

Question 3

Which of the following organs is lined with ciliated epithelium?

Accepted Answer

Trachea

Question 4

Which muscle type is found in the internal urethral sphincter, and what is its functional significance?

Accepted Answer

Smooth muscle; involuntary control of urination

Question 5

Which branch of the bronchial tree supplies a bronchopulmonary segment?

Accepted Answer

Tertiary (segmental) bronchus

Question 6

Which of the following is NOT a feature of the small intestine that increases surface area for absorption?

Accepted Answer

Rugae

Question 7

A patient with chronic smoking history is found to have damaged cilia in the respiratory tract. Which function is most directly impaired?

Accepted Answer

Mucus clearance from airways

Question 8

Which of the following organs is retroperitoneal?

Accepted Answer

Duodenum

Question 9

Which tissue is present in a bronchus but absent in a bronchiole?

Accepted Answer

Cartilage

Question 10

Which equation best represents the filtration rate in the glomerulus, considering hydrostatic and osmotic pressures?

Accepted Answer

$$GFR = K_f 	imes [(P_{GC} - P_{BS}) - (\pi_{GC} - \pi_{BS})]$$

Question 11

Which anatomical feature distinguishes the stomach from other regions of the GI tract?

Accepted Answer

Presence of rugae

Question 12

Which division of the pharynx is lined with pseudostratified ciliated columnar epithelium?

Accepted Answer

Nasopharynx

Question 13

Which of the following best describes the arrangement of the pleural membranes from superficial to deep?

Accepted Answer

Parietal pleura → pleural cavity → visceral pleura

Question 14

Which muscle is primarily responsible for increasing thoracic volume during inspiration?

Accepted Answer

Diaphragm

Question 15

Which of the following is a correct sequence for the path of urine from the glomerular capillary to the papillary duct?

Accepted Answer

Glomerular capillary → Bowman's capsule → proximal tubule → loop of Henle → distal tubule → collecting duct → papillary duct

Question 16

Which of the following best describes the function of the teniae coli in the large intestine?

Accepted Answer

Facilitate segmental contractions for mixing and propulsion

Question 17

Which of the following organs exhibits peristalsis?

Accepted Answer

Esophagus

Question 18

Which term describes the location of organs that are not retroperitoneal?

Accepted Answer

Intraperitoneal

Question 19

Which layer of the digestive tube contains the myenteric plexus, and what is its primary function?

Accepted Answer

Muscularis externa; regulation of motility

Question 20

Which anatomical structure prevents food from entering the respiratory tract during swallowing?

Accepted Answer

Epiglottis

Anatomy & Physiology Exam 3 Study Guidance

Study Guide - Practice Questions