BIO 235 Lecture Exam 2 Questions With Verified Answers
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Course
Biology 235
Institution
Biology 235
BIO 235 Lecture Exam 2 Questions With Verified Answers
B
Flow of lymph through a lymph node is slowed due to ________.
A) the viscous nature of lymph
B) fewer efferent vessels draining it compared to many afferent vessels feeding it
C) the presence of lymphocytes and macrophages
D) mini-val...
bio 235 lecture exam 2 questions with verified ans
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BIO 235 Lecture Exam 2 Questions With
Verified Answers
B
Flow of lymph through a lymph node is slowed due to ________.
A) the viscous nature of lymph
B) fewer efferent vessels draining it compared to many afferent vessels feeding it
C) the presence of lymphocytes and macrophages
D) mini-valves
A
Tonsils have blind-ended structures called ________ that trap bacteria and particulate matter.
A) tonsillar crypts
B) germinal centers
C) lymphoid follicles
D) tonsillar corpuscles
B
From the right leg, lymph moves in which order?
A) right lumbar trunk, right lymphatic duct, right subclavian vein
B) right lumbar trunk, thoracic duct, left subclavian vein
C) right lumbar trunk, right lymphatic duct, left subclavian vein
D) right lumbar trunk, thoracic duct, right subclavian vein
A
The blood testis barrier is to newly formed sperm cells as the blood thymus barrier is to ________.
A) T lymphocyte precursors
B) mast cells
C) plasma cells
D) white pulp
D
Which of the following statements is FALSE?
A) Only lymph nodes filter lymph.
B) T lymphocytes originate from the red bone marrow.
C) Antibodies mark antigens for destruction.
D) The thymus consists mainly of lymphoid tissue.
D
Which lymphoid organ atrophies as we age?
A) tonsils
B) appendix
C) spleen
D) thymus
, D
Which of the following is considered a primary lymphoid organ?
A) appendix
B) tonsils
C) spleen
D) thymus
D
Which of the following is NOT a function of the lymphatic system?
A) draining excess interstitial fluid
B) carrying out immune responses
C) transporting dietary fats
D) transporting respiratory gases
C
Which of the following is NOT a function of lymph nodes?
A) act as lymph filters and activate the immune system
B) produce lymphoid cells and house granular WBCs
C) produce lymph fluid and cerebrospinal fluid
D) serve as antigen surveillance areas
D
Mucosa-associated lymphoid tissues include all of the following EXCEPT ________.
A) Peyer's patches
B) palatine tonsils
C) lingual tonsils
D) islets of Langerhans
D
Which of the following is NOT a method that maintains lymph flow?
A) skeletal muscle contraction
B) breathing
C) valves in lymph vessel walls
D) capillary smooth muscle contraction
A
The tonsils located at the base of the tongue are the ________.
A) lingual tonsils
B) palatine tonsils
C) pharyngeal tonsils
D) Peyer's tonsils
C
Which of the following is NOT a normal component of lymph?
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