Chapter 21, The Lymphatic and Immune Systems Video Solutions, Anatomy and Physiology

Problem 1

The only lymphatic organ with both afferent and efferent lymphatic vessels is
a. the spleen.
b. a lymph node.
c. a tonsil.
d. a lymphatic follicle.
e. the thymus.

Joanna Quigley

Numerade Educator

00:44

Problem 2

Which of the following cells are involved in innate immunity but not in adaptive immunity?
a. helper T cells
b. cytotoxic T cells
c. natural killer cells
d. B cells
e. plasma cells

Sam Limsuwannarot

Numerade Educator

02:56

Problem 3

The resparatory burst is used by _____ to kill bacteria.
a. neutrophils
b. basophils
c. mast cells
d. NK cells
e. eytotoxic T cells

Bryan Valdivia

Numerade Educator

00:29

Problem 4

Which of these is a macrophage?
a. a microglial cell
b. a plasma cell
c. a reticular cell
d. a helper $\mathrm{T}$ cell
e. a mast cell

Anna Miller

Numerade Educator

02:29

Problem 5

The cytolytic action of the complement system is most similar to the action of
a. interleukin- 1 .
b. platelet-derived growth factor.
c. granzymes.
d. perforin.
e. $\operatorname{Ig} \mathrm{E}$.

Bryan Valdivia

Numerade Educator

02:26

Problem 6

______ become antigenic by binding to larger host molecules.
a. Epitopes
b. Haptens
c. Interleukins
d. Pyrogens
e. Cell-adhesion molecules

Arwen Xu

Numerade Educator

01:05

Which of the following correctly states the order of events in humoral immunity? Let $1=$ antigen display,
$2=$ antibody secretion,
$3=$ secretion of interleukin,
$4=$ clonal selection, and
$5=$ endocytosis of an antigen.
a. $3-4-1-5-2$
b. $5-3-1-2-4$
c. $3-5-1-4-2$
d. $5-3-1-4-2$
e. $5-1-3-4-2$

Hunza Gilgit

Numerade Educator

00:17

Problem 8

The cardinal signs of inflammation include all of the following except
a. redness.
b. swelling.
c. heat.
d. fever.
e. pain.

Emily Marty

Numerade Educator

00:32

Problem 9

A helper $T$ cell can bind only to another cell that has
a. MHC-II proteins.
b. an epitope.
c. an antigen-binding site.
d. a complement-binding site.
e. a CD4 protein.