Assessment – Skin

QUESTIONS ( POST QUESTION TITLE AND YOUR ANSWER USING THE BOX BELOW FOR EVALUATION AND DISCUSSION)

i). Briefly explain the term homeostasis

ii). Describe how the mammalian skin can react to regulate the body temperature in a hot room.

iii). In tabular form, state the causes, effects and remedies of the following liver diseases, infectious hepatitis, cancer and gall stones.

iv).Explain the following phenomenon shown by human body.

(a)Violent exercise result in a rise in body temperature accompanied by noticeable sweating.

(b)Shivering when we are cold keeping cool

(c)Keeping cool in hot countries by wearing loose fitting light colored clothing.

(d)The formation of goose pimples on skin when cold/

(e)(State six functions of mammalian liver /

1. f) Describe how mammalian body regulate blood sugar.

OBJECTIVES

1. i) The part of the skin where melanin and keratin are stored is   (a)Malpighi an layer (b)cornified layer (c) dermis (d) granular layer

ii)The structure that is not found in the dermis of the skin is (a) sebaceous gland (b) nerve endings (c)hair shafts (d) sweat gland

iii) The function of the sebaceous gland is the (a) secrete common salt (b) secrete sweat (c) secrete water and salt (d) produces vitamin D for the skin

1. iv) In cold condition, the mammalian body reacts in the following ways except (a)shivering of the body (b) dilation of the capillaries supply blood to the skin (c)constriction of blood capillaries in the skin (d) increases the rate of chemical changes

v)Which organ removes the largest quantity of water from the blood? (a)lungs (b)intestine (c)kidney (d)skin.