Question 1

Which of the following best describes the primary function of lymphatic vessels in the human body?

Accepted Answer

They collect excess interstitial fluid and return it to the bloodstream.

Question 2

A patient presents with swelling in the lower limbs due to blocked lymphatic vessels. Which process is most directly impaired?

Accepted Answer

Return of tissue fluid to the circulatory system

Question 3

Which of the following is a key difference between diffuse and follicular lymphoid tissue?

Accepted Answer

Follicular lymphoid tissue is organized into nodules, while diffuse tissue is scattered throughout connective tissue.

Question 4

Which lymphoid organ is the site of T lymphocyte maturation?

Accepted Answer

Thymus

Question 5

MALT (Mucosa-Associated Lymphoid Tissue) is most important for defending which of the following body regions?

Accepted Answer

The mucosal linings of the respiratory, digestive, and urinary tracts

Question 6

Which of the following is NOT a function of lymph nodes?

Accepted Answer

Producing red blood cells

Question 7

A patient with a splenectomy (removal of the spleen) is at increased risk for which of the following?

Accepted Answer

Decreased immune response to blood-borne pathogens

Question 8

Which of the following best describes the role of surface barriers in the immune system?

Accepted Answer

They act as the first line of defense by preventing entry of pathogens.

Question 9

Which cell type is primarily responsible for phagocytosis in the innate immune response?

Accepted Answer

Macrophages

Question 10

Which of the following best explains the process of antigen presentation in adaptive immunity?

Accepted Answer

Antigen-presenting cells display fragments of pathogens on their surface to activate T cells.

Question 11

Which antibody class is most abundant in plasma and provides the majority of antibody-based immunity?

Accepted Answer

IgG

Question 12

Which equation correctly represents Boyle's Law, which explains the relationship between pressure and volume in the lungs?

Accepted Answer

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

Question 13

During inspiration, which of the following occurs in the thoracic cavity?

Accepted Answer

Diaphragm contracts and thoracic volume increases

Question 14

Which law explains the diffusion of gases between the alveoli and blood, stating that the amount of gas dissolved in a liquid is proportional to its partial pressure?

Accepted Answer

Henry's Law

Question 15

A patient is experiencing rapid, shallow breathing due to anxiety. Which term best describes this condition?

Accepted Answer

Hyperventilation

Question 16

Which of the following factors will increase the release of oxygen from hemoglobin in tissues?

Accepted Answer

Increased temperature and increased $$P_{CO_2$}$$

Question 17

Which equation represents the transport of carbon dioxide in the blood as bicarbonate?

Accepted Answer

$$CO_2 + H_2O$$ \rightarrow H_2CO_3 \rightarrow H^+ + $$HCO_3$$^-$$

Question 18

Which respiratory center in the brainstem is primarily responsible for setting the basic rhythm of breathing?

Accepted Answer

Medullary respiratory centers

Question 19

A climber at high altitude experiences increased ventilation and heart rate. Which physiological process is responsible for this adaptation?

Accepted Answer

Acclimatization

Question 20

Which of the following respiratory diseases is characterized by destruction of alveolar walls, leading to decreased surface area for gas exchange?

Accepted Answer

Emphysema

Lymphatic and Respiratory Systems: Study Guide for Anatomy & Physiology

Guida di studio - Domande di pratica

Study guide - Flashcard