Question 1

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

Accepted Answer

Producing red blood cells in adults

Question 2

A patient undergoes breast cancer surgery with removal of axillary lymph nodes. She later develops swelling in her arm. What is the most likely explanation for this edema?

Accepted Answer

Obstruction of lymphatic drainage from the upper limb

Question 3

Which of the following best describes the flow of lymph through the lymphatic system?

Accepted Answer

Lymphatic capillary → afferent lymphatic vessel → lymph node → efferent lymphatic vessel → lymphatic trunk → collecting duct → subclavian vein

Question 4

Which of the following mechanisms does NOT contribute to the movement of lymph through lymphatic vessels?

Accepted Answer

High hydrostatic pressure generated by the heart

Question 5

Which lymphatic structure is responsible for absorbing dietary fats in the small intestine?

Accepted Answer

Lacteals

Question 6

A patient receives a kidney transplant from a non-identical donor. Which immune response is most likely to be activated against the transplanted organ?

Accepted Answer

Cellular immune response mediated by cytotoxic T cells

Question 7

Which of the following is TRUE regarding the thymus?

Accepted Answer

It is largest during infancy and early childhood

Question 8

Which of the following best describes the role of the spleen?

Accepted Answer

It filters blood, removes worn-out red blood cells, and contains white and red pulp

Question 9

Which of the following is a characteristic of innate (nonspecific) immunity?

Accepted Answer

It provides general defense against many types of pathogens

Question 10

Which of the following is NOT a function of antibodies?

Accepted Answer

Direct lysis of pathogens without complement

Question 11

A person is exposed to a pathogen for the first time. Which antibody is produced first during the primary immune response?

Accepted Answer

IgM

Question 12

Which of the following best explains why a secondary immune response is faster and stronger than a primary response?

Accepted Answer

Memory B and T cells are already present from the first exposure

Question 13

Which of the following is an example of artificially acquired active immunity?

Accepted Answer

Receiving a vaccine

Question 14

Which type of hypersensitivity reaction is most likely responsible for anaphylactic shock after exposure to peanuts?

Accepted Answer

Type I (immediate-reaction) hypersensitivity

Question 15

Which of the following best describes the role of MHC class I proteins?

Accepted Answer

They present antigens to cytotoxic T cells on all nucleated cells

Question 16

Which of the following is a correct equation for tissue fluid formation?

Accepted Answer

$$	ext{Tissue fluid} = 	ext{Blood plasma} - 	ext{Plasma proteins}$$

Question 17

Which of the following is a function of natural killer (NK) cells?

Accepted Answer

They secrete perforins that lyse virus-infected and cancer cells

Question 18

A patient with HIV/AIDS is most likely to have a deficiency in which immune cell, leading to impaired antibody production?

Accepted Answer

Helper T cells

Question 19

Which of the following best describes an autoimmune disorder?

Accepted Answer

The immune system attacks the body’s own tissues

Question 20

Which of the following is a correct description of the complement system?

Accepted Answer

A group of plasma proteins that, when activated, enhance inflammation and cause cell lysis

Lymphatic System and Immunity: Structured Study Notes

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드