NBCE Boards Part 1 Microbiology Exam Questions and Answers 2026

NBCE Boards Part 1 – Microbiology Exam Questions and Answers 2026

NBCE Boards Part 1 – Microbiology Exam Questions and

Answers 2026

Eukaryotes have a ___________. - correct answer ✅True nucleus

I.e. Human cells, Protozoa, Amoeba, Fungi

Prokaryotes have ___________. - correct answer ✅No true nucleus (no organelles)

I.e. Bacteria

Classification system for organisms - correct answer ✅Kingdom

Phylum

Class

Order

Family

Genus

Species

Adenoviridae, Papillomaviridae, Herpesviridae, Poxviridae, & Hepadnaviridae are all examples of... - correct answer ✅DNA viruses

Paramyxoviridae, Orthomyxoviridae, Coronaviridae, Rhabdoviridae, Filoviridae,

Bunyaviridae, Reoviridae, Picornaviridae, Togaviridae, Flaviviridae, Caliciviridae are

all examples of... - correct answer ✅RNA viruses

NBCE Boards Part 1 – Microbiology Exam Questions and

Answers 2026

__________ are chemicals produced by cells. - correct answer ✅Interleukins

IL 1 = ____________, and is made by ________. They are mainly involved with

_______ & _______ tissues. - correct answer ✅Lymphocyte Activating Factor macrophages

Brain

Nervous

IL II = _____________, and is made by __________ - these are __________ that

direct __________ responses. - correct answer ✅T-cell growth factor

CD4 cells

T-helper cells

Immune

Type 1 T-helper cells are involved in ______________ responses. - correct answer

✅Antibody immune mediated

Type 2 T-helper cells are involved in ______________. - correct answer ✅Cell

mediated immunity

NBCE Boards Part 1 – Microbiology Exam Questions and

Answers 2026

IL III is made by _____________ & is present in the _________ and _________ system. - correct answer ✅Big bone marrow

Blood

Lymphatic

IgA is a ___________ antibody and is present in _________ membranes. We can get IgA from our mothers through ________. - correct answer ✅Secretory/mucosal

Mucous (saliva, tears)

Breast milk

IgD antibody helps _______. - correct answer ✅IgG

IgE is present with ___________ & _________ infections. It is increased especially

with ________ Disease. - correct answer ✅Allergic reactions

Parasitic

Hodgkin's

NBCE Boards Part 1 – Microbiology Exam Questions and

Answers 2026

IgG is the most _________ and crosses the __________. It is the _______ to

increase with the second exposure. - correct answer ✅Numerous Placenta

First

IgM is the _________ and __________, it has ______ binding sites that are nonspecific. It is the ______ to increase with the first exposure. - correct answer ✅Heaviest

Largest

10 (pentamer)

First

MHC = ______________ (aka ______________) - correct answer ✅Major

Histocompatibility Complex Human Leukocyte Antigen (HLA)