Which of the following processes provides a long-term response to changes in blo

Question

Which of the following processes provides a long-term response to changes in blood pressure? a. neural controls c. chemoreceptor-initiated reflexes re d. renal regulation Which of the following would not be classified as a lymphatic structure a. pancreas b.spleen c. tonsils d. Peyer's patches of the inte The lymphatic capillaries are a. more permeable than blood capillaries b. less permeable than blood capillaries c. as permeable as blood capillaries d. completely impermeable Lymphoid tissue that appears as a swelling of the mucosa in the oral calle c. Peyer's patch d. b. thymus b. nodules The barrier to invasion by microbes involves Which of the following is NOT a lymphoid organ? a. tonsi c. thyroid d. splee e. thyt a. urine. b. the symbiotic microorganisms already in the body. c. ciliated mucous membranes. d. lysozyme and other enzymes. hich of these is not one of the cardinal signs of inflammation? redness b c. swellipg heat e. pain ssive immunity can be obtained by having the disease. receiving a vaccination against the disease. receiving antibodies by injection. receiving antibodies from mother at birth. receiving antibodies by injection or receiving antibodies from mother a . h cells are divided into two groups: T cells and B cells? macrophages b. lymphocytes d. platelets mnlement cells

Explanation / Answer

1) The process that provides long term reponse to change in blood pressure is Baroreceptor-initiated reflexes. Option B
- Barorecptor located in carotid sinus senses the blood pressure changes as they detect tension in atreial wall.

2) Pancreas canot be classified as a lymphatic structure. Option A

3) The lymphatic capillaries are more permeable than blood capillaries. Option A

4) Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a tonsil. Option A
- Tonsils are located at either side of back in mouth and they are lymphoid tissue mass which serve as defence mechanism

5) The barrier to invasion by microbes involves

Urine- It eliminates the conditions in which microbes survive
Symbiotic Microorganisms already in the body- They compete with harful bacteria
Ciliated mucous membranes- They provide linings to organs thus preventing entry of microbes
Lysozyme- It is antibacterial enzyme
Hence, All are correct

6) Fever is not amongst the cardinal sign of inflammation. Option B

7) Passive immunity can be obtained by receiving antibodies by injection or antibodies from mother. Option E

8) The cells that are divided into T cells and B cells are Lymphocytes. Option B

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