Exam #2 Miscellaneous

Question 1

Pokeweed mitogen stimulates ______, while phytohemagglutinin stimulates ______.

Answer 1

both B and T lymphocytes; just T lymphocytes

Question 2

In beta thalassemia major, there is still _____.

Answer 2

some Hgb A

Question 3

CGD can be _______.

Answer 3

X-linked recessive or autosomal recessive

Question 4

A _________ is a syndrome in which immature leukocytes are found in the blood.

Answer 4

leukemoid reaction

Question 5

Neutrophil myeloperoxidase doesn’t usually cause disease, with the major exception being ________.

Answer 5

fungal infections in diabetics

Question 6

Cyclic neutropenia usually follows a ______ cycle.

Answer 6

21-day

Question 7

Positive selection selects against _______.

Answer 7

cells that fail to recognize a self protein

Question 8

What is the histologic difference between resting and active lymphocytes?

Answer 8

Active lymphocytes will have large nuclei

Question 9

In the lymph nodes, dendritic cells are often _______.

Answer 9

between the cortex and paracortex

Question 10

List three types of intracellular bacteria.

Answer 10

Mycobacteria, listeria, and brucella

Question 11

What part of the TCR is activated by both MHC I and MHC II?

Answer 11

CD3

Question 12

When do T cells display CD1?

Answer 12

In the thymus