Question 1

Which of the following best describes the function of lacteals in the lymphatic system?

Accepted Answer

They absorb dietary fats from the small intestine.

Question 2

Which of the following is a primary lymphatic organ?

Accepted Answer

Thymus

Question 3

A patient receives an injection of antibodies against rabies after being bitten by a wild animal. This is an example of:

Accepted Answer

Passive immunity

Question 4

Which cell is primarily responsible for the antibody-mediated immune response?

Accepted Answer

B lymphocyte

Question 5

Which of the following best describes the role of MALT (Mucosa-associated lymphoid tissue)?

Accepted Answer

It protects mucosal surfaces from pathogens.

Question 6

During inflammation, which sequence correctly describes the events that occur?

Accepted Answer

Vasodilation, increased permeability, phagocyte migration

Question 7

Which equation represents Boyle’s Law, which explains the relationship between pressure and volume in pulmonary ventilation?

Accepted Answer

$$P_1V_1 = P_2V_2$$

Question 8

Which factor would decrease hemoglobin’s affinity for oxygen, making it more likely to release oxygen to tissues?

Accepted Answer

Increased $$CO_2$$ concentration

Question 9

According to Dalton’s Law, the total pressure of a gas mixture is:

Accepted Answer

The sum of the partial pressures of each gas

Question 10

Which equation represents Henry’s Law, relating gas solubility to partial pressure?

Accepted Answer

$$C = kP$$

Question 11

Which of the following is NOT a function of the lymphatic system?

Accepted Answer

Transport of oxygen

Question 12

Which structure is part of the respiratory zone, where gas exchange occurs?

Accepted Answer

Alveoli

Question 13

Which of the following best describes the mechanical digestion in the mouth?

Accepted Answer

Chewing and mixing food with saliva

Question 14

Which layer of the GI tract is responsible for peristalsis?

Accepted Answer

Muscularis

Question 15

A patient with a damaged spleen is at increased risk for:

Accepted Answer

Impaired immune response

Question 16

Which of the following is a correct sequence for the three stages of deglutition (swallowing)?

Accepted Answer

Buccal, pharyngeal, esophageal

Question 17

Which of the following is a function of saliva?

Accepted Answer

Initiating starch digestion

Question 18

Which of the following best describes the difference between innate and adaptive immunity?

Accepted Answer

Innate immunity is nonspecific, adaptive immunity is specific.

Question 19

Which of the following is a correct description of external respiration?

Accepted Answer

Exchange of gases between alveoli and blood

Question 20

Which of the following is a plausible consequence of impaired lymphatic capillary function?

Accepted Answer

Edema due to accumulation of interstitial fluid

Exam 2 Review Guidance: Lymphatic, Respiratory, and Digestive Systems (Bio 212)

Study Guide - Practice Questions