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Complement lysis

Perforin and granzyme release

Antibody secretion

Phagocytosis

What type of tissue lines the paranasal sinuses?

Stratified squamous epithelium

Simple squamous epithelium

Ciliated pseudostratified epithelium with goblet cells

Simple columnar epithelium

The thoracic duct collects lymph from all the following areas except.

Left side of the head

Left hind limb

Right hind limb

Left forelimb

Right side of the head

Which of the following is made up of channels from astrocytes and true lymphatics in the meninges?

mucosa-associated lymphoid tissue (MALT)

spleen

thymus

glymphatic system

A patient comes into the office with fever, night sweats, weight loss, a racking cough, and coughing up blood. What would be the diagnosis?

Tuberculosis

Lung cancer

Bronchitis

Asthma

Most inspired particles, such as dust, fail to reach the lungs because of the ______________ .

abundant blood supply to the nasal mucosa

ciliated mucous lining in the nose

action of the epiglottis

porous structure of turbinate bones

Select the correct statement about lymphocytes.

B cells produce plasma cells, which secrete antibodies into the blood.

The two main types are T cells and macrophages.

T cells are the precursors of B cells.

T cells are the only form of lymphocyte found in lymphoid tissue.

The _________ along with I g M, is a B cell receptor.

IgE

IgA

IgD

IgM

IgG

Which statement is true about T cells?

Their proliferation is enhanced by interleukins 1 and 2.

Once activated, they cannot secrete cytokines.

They will develop into cytotoxic T cells if antigen is complexed with class MHC proteins.

They usually directly recognize antigens, which then activates a subpopulation of killer cells.