Straighterline microbiology BIO250 Topic 16: Infectious Diseases: Gastrointestinal Tract and Genitourinary System Graded Exam 4 Questions and Answers (2025)

Straighterline microbiology BIO250 Topic 16: Infectious Diseases:
Gastrointestinal Tract and Genitourinary System Graded Exam 4
Questions and Answers (2025)

• BIO250_SL_V7
• Topic 16: Infectious Diseases: Gastrointestinal Tract and Genitourinary System



Started on Thursday, February 6, 2025, 4:04 PM


State Finished


Completed on Thursday, February 6, 2025, 4:29 PM


Time taken 24 mins 54 secs


Grade 115.00 out of 125.00 (92%)

Question 1
Correct
5.00 points out of 5.00


Flag question

Question text
Which of the following statements is correct about cellular immunity?
Select one:
a.
T helper cells are part of both innate as well as adaptive immune response.
b.
Viral particles do not stimulate antibody production.
c.
MHC II expresses the foreign antigen to the T cytotoxic cells.
d.
MHC II binds the T helper cells which further helps the B cell in antibody
production.

, Question 2
Correct
5.00 points out of 5.00


Flag question

Question text
Which of the following steps is not involved in the activation of the T helper
cells?
Select one:
a.
Interaction of the TCR with the MHC II
b.
Processing and presentation of antigens on MHC II.
c.
Release of the granzyme


d.
Interaction of the CD4 with the non-antigen binding site of the MHC II
Question 3
Correct
5.00 points out of 5.00


Flag question

Question text
Which of the following is not the chemical defense against microbes?
Select one:
a.
Saliva in the mouth
b.
Tears in the eye
c.
Mucociliary escalator


d.
Acid in the stomach
Question 4
Incorrect
0.00 points out of 5.00