Chapter 3 adaptive quiz Flashcards

1
Q

Most _____________ contain approximately 110 amino acids, and each β sheet contains three to six strands and each pair of β sheets is further stabilized by intrachain disulfide bonds.

A

Ig domains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Upon activation by antigen, signals from the antigen receptor instruct the _____________ machinery to make both types of heavy chain mRNA.

A

RNA splicing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When the B cell is resting, it makes the mRNA encoding only the (what form of antibody?)

A

membrane-bound form.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The process by which ligand binding to a cellular receptor is translated into a modification in cellular activity is referred to as

A

signal transduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

_____________ pathways can culminate in cellular functions such as the release of effector molecules from preformed vesicles, the destruction or modification of particular proteins, the alteration of mRNA stability, or the initiation of _____________.

A

signal transduction, apoptosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Compared to the BCR Complex, the TCR Complex

A

is noncovalently associated with the ITAM-bearing CD3 complex which is responsible for transducing the antigen-binding signal to the interior of the cell.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the main function of the IL-17B cytokine family?

A

Induces proinflammatory cytokine expression and neutrophil recruitment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the following is/are the ligands of the NLR receptor family?

A

Fragments of intracellular or extracellular bacterial cell wall peptidoglycans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Calcium release from the endoplasmic reticulum leads to:

A

activation of calcineurin

activation of NFAT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

septic shock is caused by gram negative bacteria simulating DCs and Macrophages via _____ to overproduce which cytokines?

A

TLR; IL-1 and TNF-alpha

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

cytokine storm refers to

A

postive feedback loop activating too many immune cells. causes excaberted lungs in SARS-CoV-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the cytokine related to HTLV Is

A

IL-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The cytokine related to myleomas, cardiac myxoma cells, cervical and bladder cancer is

A

IL-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the cytokine related to hodgkin’s lymphoma is

A

IL-5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

cytokine related to lupus is

A

IL-10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

_________ treats x-linked agammaglobulinemia

A

G-CSF

17
Q

_______ treats SCID; _______ for leukocyte adhesion deficiencies

A

IL-2; IFN-γ

18
Q

________antibody stabilizes recombinant (injected) IL-2 in the circulation (paradox)

A

IL-2

19
Q

treatment of T cell leukemia and transplant patients makes use of

A

1) blocking antibodies to prevent T-cell activation by IL-2
2) Conjugate toxin to cytokine analogue to target Th cells that express abnormally high amounts of CD25