Question 1

Which condition is indicated by the presence of sickle-shaped red blood cells (RBCs) as seen in the provided blood smear image?

Accepted Answer

Sickle cell anemia

Question 2

What is the primary function of the surfactant secreted by Type 2 alveolar cells in the lungs?

Accepted Answer

Reduce the surface tension on the alveoli

Question 3

A patient’s CBC shows an elevated eosinophil count. Which of the following is the most likely cause?

Accepted Answer

Parasitic infection or allergic reaction

Question 4

Which of the following best describes the composition of a centrifuged blood sample?

Accepted Answer

Plasma (55%), Buffy coat (1%), Erythrocytes (44%)

Question 5

Which lymphatic structure is responsible for filtering lymph and is found in clusters along lymphatic vessels?

Accepted Answer

Lymph node

Question 6

Which of the following white blood cells is classified as an agranulocyte?

Accepted Answer

Monocyte

Question 7

If a person is stabbed in the chest and the pleural cavity is punctured, what is the most likely immediate consequence for the lung on that side?

Accepted Answer

The lung will collapse due to loss of negative pressure

Question 8

Which of the following best describes the function of the thymus?

Accepted Answer

Site of T lymphocyte maturation

Question 9

Which of the following is a granulocyte?

Accepted Answer

Neutrophil

Question 10

Which structure is responsible for the production of surfactant in the alveoli?

Accepted Answer

Type 2 alveolar cells

Question 11

Which of the following best describes the function of the spleen’s red pulp?

Accepted Answer

Filters blood and removes old erythrocytes

Question 12

Which of the following is the correct formula for calculating vital capacity (VC) using spirometry data?

Accepted Answer

$$VC = TV + IRV + ERV$$

Question 13

Which of the following best describes the role of the balloon model in understanding pulmonary ventilation?

Accepted Answer

It demonstrates the role of the diaphragm in changing the volume of the pleural cavity

Question 14

Which of the following is NOT a function of antibodies?

Accepted Answer

Directly killing infected cells

Question 15

Which of the following is the correct order of airflow through the respiratory tract?

Accepted Answer

Nasal cavity → Pharynx → Larynx → Trachea → Bronchi → Alveoli

Question 16

Which of the following best describes the location and function of MALT in the intestines?

Accepted Answer

Located in the intestinal mucosa; provides immune defense against ingested pathogens

Question 17

Which of the following is the correct definition of tidal volume (TV)?

Accepted Answer

The amount of air inhaled or exhaled during normal breathing

Question 18

Which of the following is a function of the lymphatic system?

Accepted Answer

Returning interstitial fluid to the bloodstream

Question 19

Which of the following best describes the cardiac notch?

Accepted Answer

A depression in the left lung for the heart

Question 20

Which of the following is the correct formula for calculating total lung capacity (TLC)?

Accepted Answer

$$TLC = VC + RV$$

A&P II Lab Practical 2: Blood, Lymphatic/Immunity, and Respiratory System Study Notes

Study Guide - Practice Questions