Question 1

Which of the following is NOT a major organ of the lymphatic system?

Accepted Answer

Pancreas

Question 2

Afferent vessels enter the lymph node at which surface, and efferent vessels exit at which surface?

Accepted Answer

Afferent: convex surface; Efferent: hilum

Question 3

Which lymphatic structure is the site where T lymphocytes develop immunocompetence?

Accepted Answer

Thymus

Question 4

Which lymphatic organ contains both red pulp and white pulp, and is almost completely covered by peritoneum?

Accepted Answer

Spleen

Question 5

Which of the following is a function of complement activation in the immune system?

Accepted Answer

Cell lysis

Question 6

Which immunoglobulin is primarily secreted during the primary immune response?

Accepted Answer

IgM

Question 7

What is the main difference between passive and active immunity?

Accepted Answer

Active immunity is acquired when the body produces antibodies in response to antigens

Question 8

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

Accepted Answer

Receiving a vaccination of a weakened virus

Question 9

Which mechanism is NOT involved in antibody-antigen reactions?

Accepted Answer

Osmosis

Question 10

What is the anatomical difference between male and female vocal cords that explains the higher pitch in women?

Accepted Answer

Women have shorter and thinner vocal cords

Question 11

Which part of the respiratory system is responsible for gas exchange?

Accepted Answer

Alveoli

Question 12

During inspiration, what happens to the volume and intrapulmonary pressure in the thorax?

Accepted Answer

Volume increases, intrapulmonary pressure decreases

Question 13

Which enzyme catalyzes the reaction $$\mathrm{CO_2$ + H_2O \rightarrow H_2CO_3} in $$the RBC?

Accepted Answer

Carbonic anhydrase

Question 14

A patient is hyperventilating. What happens to their blood pH and $$\mathrm{$$pCO_2$$}$$ levels?

Accepted Answer

Blood pH increases, $$\mathrm{$$pCO_2$$}$$ decreases

Question 15

Which of the following is a paired laryngeal cartilage?

Accepted Answer

Arytenoid

Question 16

Which tonsils are located at the base of the tongue and are covered by stratified squamous non-keratinized epithelium?

Accepted Answer

Lingual tonsils

Question 17

Which of the following is a function of helper T lymphocytes?

Accepted Answer

Stimulate B cells to produce antibodies

Question 18

Which part of the pharynx is located between the soft palate and the epiglottis?

Accepted Answer

Oropharynx

Question 19

What is the volume of normal tidal volume (TV) in an adult male?

Accepted Answer

$$500\ \mathrm{mL}$$

Question 20

Which of the following is a sign of an active infection in a lymph node?

Accepted Answer

Presence of germinal centers containing dividing B cells

Anatomy & Physiology Study Notes: Lymphatic, Immune, and Respiratory Systems. Exam practices

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