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Which of the following is classified as a noninfectious disease?

A. Psoriasis

B. Brucellosis

C. Olkunginys

D. Dengue

Answer Explanation:

Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It is not contagious, and it is not caused by any microorganism. It is believed to be an autoimmune disorder where the immune system attacks healthy skin cells.

Therefore, the Correct Answer is A.

More Questions on TEAS 7 Science

  • Q #1: Which of the following parts of the eukaryotic cell is responsible for making ATP?

    A. Lysosome

    B. Nucleus

    C. Centrioles

    D. Mitochondria

    Answer Explanation

    ATP is produced by a series of reactions that occur in the mitochondria. The mitochondria have a double membrane structure, with an inner membrane that is folded into cristae. These cristae contain the enzymes and proteins that are involved in the process of cellular respiration, which converts glucose and oxygen into ATP and carbon dioxide.

  • Q #2: Which of the following structures is present in both prokaryotic and eukaryotic cells

    A. Chloroplast

    B. Cell membrane

    C. Golgi apparatus

    D. Endoplasmic reticulum

    Answer Explanation

    Both prokaryotic and eukaryotic cells have a cell membrane. The cell membrane is a barrier that surrounds the cell and separates its internal environment from the external environment.

     

  • Q #3: Which of the following types of cells stimulates other immune cells to attack and destroy foreign agents?

    A. Cytotoxic T-cells

    B. Plasma cells

    C. Natural killer cells

    D. Helper T-Cells

    Answer Explanation

    Helper T cells are important cells that stimulate the action of other immune cells. For instance, they not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.