Question 1

Which structure is responsible for filtering blood in the nephron and is lined by simple squamous epithelium?

Accepted Answer

Glomerulus (Bowman's capsule)

Question 2

A patient presents with difficulty breathing due to obstruction in the trachea. Which histological feature distinguishes the trachea from the bronchi?

Accepted Answer

Presence of C-shaped rings of hyaline cartilage

Question 3

Which of the following respiratory volumes is defined as the maximum amount of air that can be exhaled after a maximal inhalation?

Accepted Answer

Vital capacity

Question 4

A urine sample is found to contain a large number of red blood cells. Which of the following best explains this finding?

Accepted Answer

Damage to the glomerular filtration barrier

Question 5

Which of the following equations correctly calculates vital capacity ($$VC) in $$terms of tidal volume ($$TV$$), inspiratory reserve volume ($$IRV$$), and expiratory reserve volume ($$ERV$$)?

Accepted Answer

$$VC = TV + IRV + ERV$$

Question 6

Which of the following structures is NOT part of the conducting zone of the respiratory system?

Accepted Answer

Alveolar sacs

Question 7

A patient has a blockage in the segmental artery of the kidney. Which of the following structures would be directly affected by this blockage?

Accepted Answer

Interlobar artery

Question 8

Which of the following best describes the function of the collecting duct in the nephron?

Accepted Answer

Regulation of water and electrolyte balance

Question 9

Which histological feature is characteristic of the mucosa of the urinary bladder?

Accepted Answer

Transitional epithelium

Question 10

A patient is diagnosed with pneumonia affecting the alveoli. Which of the following best describes the primary function of alveoli?

Accepted Answer

Gas exchange between air and blood

Question 11

Which of the following is the correct sequence of airflow from the external nares to the alveoli?

Accepted Answer

External nares → Larynx → Trachea → Bronchi → Alveoli

Question 12

Which of the following structures is responsible for preventing food from entering the trachea during swallowing?

Accepted Answer

Epiglottis

Question 13

A patient with chronic bronchitis is likely to have damage to which type of epithelium lining the bronchi?

Accepted Answer

Pseudostratified ciliated columnar epithelium

Question 14

Which of the following best explains why transitional epithelium is found in the urinary bladder?

Accepted Answer

It allows the bladder to stretch as it fills with urine

Question 15

Which of the following is a function of the renal medulla?

Accepted Answer

Concentration of urine

Question 16

A patient has a reduced inspiratory reserve volume ($$IRV) $$but normal tidal volume ($$TV) $$and expiratory reserve volume ($$ERV). $$Which of the following is most likely to be affected?

Accepted Answer

Vital capacity ($$VC)$$

Question 17

Which of the following structures is found in the hilus of the kidney?

Accepted Answer

Renal artery and vein

Question 18

Which of the following is the correct formula for total lung capacity ($$TLC) $$using vital capacity ($$VC) $$and residual volume ($$RV$$)?

Accepted Answer

$$TLC = VC + RV$$

Question 19

A patient is found to have glucose in their urine. Which part of the nephron is most likely malfunctioning?

Accepted Answer

Proximal convoluted tubule

Question 20

Which of the following is a function of the pulmonary arteries?

Accepted Answer

Carry deoxygenated blood from the heart to the lungs

Anatomy & Physiology Lab Study Guide: Respiratory and Urinary Systems

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