All but One of the Following Statements Describes the Necessity

question 68

Multiple Choice

All but one of the following statements describes the necessity of the blood testis barrier.Select the one statement that does not describe a necessity of the blood testis barrier.

• A) Spermatogenesis produces new combinations of genes and chromosomes that results in unique antigens that the immune system may see as foreign.
• B) Spermatocytes undergo meiosis only during puberty, well after the immune system has come to recognize "self" from "non-self" cells.
• C) Sperm can only be produced at temperatures lower than body temperature. Inflammation in the testis could raise the temperature too high to produce sperm.
• D) Foreign antigens produced by the newly formed sperm could initiate an autoimmune response against the developing sperm.

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Definitions:

Direct Method

A way of reporting cash flows from operating activities in the cash flow statement by listing major classes of gross cash receipts and payments.

Operating Activity

Activities that relate directly to the business’s primary operations, such as selling goods and providing services, not including investing or financing activities.

Direct Method

A way of preparing the cash flow statement where actual cash flows from operating activities are listed, opposed to adjusting net income for indirect factors.