1) The bulk of keratin is synthesized in which of the lised locations? (a-Stratu

1) d-Stratum basale Explanation: The basal cells are the precursors of keratinocytes. The keratinocytes produce keratin.

ID: 3477021 • Letter: 1

Question

1) The bulk of keratin is synthesized in which of the lised locations?

(a-Stratum corneum b- Stratum spinosum c-Stratum lucidum d-Stratum basale)

2)Gas exchange and nutrition for the melanocytes comes from blood circulating in capillaries located in which the listed sites?

(a-epidermis-stratum spinosum b-dermis-reticular layer c-epidermis-Stratum basale d-hypodermis e-dermis-papillary layer)

3) An atigen that gains entry into the blood stream would most likely be detected and responded to in which of the locations?

(a-trabecula in the spleen b-marginal zone of the slpeen c-medullary cord of a lymph node d-germinal center of a lymph node e-cortex of the thymus)

In the 'open circulation' concept of circulation of blood within the spleen blood flow goes directly from the central artery into which location?

(a-cord of Billroth b-sinusoid c-vein d-trabecular artery)

5)Which of the listed cell types is involved mainly in the humoral mediated immune response?

(a-B lymphocyte b-neutrophil c-monocyte d-epithelial-reticular cell e-T lymphocyte)

In the 'open circulation' concept of circulation of blood within the spleen blood flow goes directly from the central artery into which location?

(a-cord of Billroth b-sinusoid c-vein d-trabecular artery)

5)Which of the listed cell types is involved mainly in the humoral mediated immune response?

(a-B lymphocyte b-neutrophil c-monocyte d-epithelial-reticular cell e-T lymphocyte)

1) d-Stratum basale

Explanation: The basal cells are the precursors of keratinocytes. The keratinocytes produce keratin.

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