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A neurone is:
A.. functional unit of kidney
B. Composed of a cell body, dendrites and an axon
C. Only able to stimulate cardiac muscle
D. Found only in the peripheral nervous system. - ANSWER-
Fertilizations occurs when:
A. A sperm fuses with an ovary
B The nuclei of two gametes fuse
C. The muck of two zygotes fuse
D many sperm penetrate an egg - ANSWER- The nuclei of two gametes fuse.
Mammary ptosis refers to:
A.. breast reduction
B. Increased breast size
C. Sagging of the breast
D. Deflated breast - ANSWER- Sagging of the breast
The tough waterproof material that provides cells in the outer layer of skin will a
protective quality is:
A keratin
B. Melanin
C. Carotene
D. Synovium - ANSWER- Keratin
Which of the following glands are attached to some hair follicles?
A. Eccrine
B. Apocrine
C. Endocrine
D ceruminous - ANSWER- Apocrine
Without the use of galvanic current, water soluble substances:
,A. Penetrate only through the hair follicle into the skin
B penetrate only through the epidermis into the skin
C. Penetrate both through the follicle and epidermis into the skin
D. Cannot penetrate into the Skin at all - ANSWER- Cannot penetrate in to the
skin at all
The skin act as a sensory organ because it contains:
A. Nerve endings
B capillaries
C-lymphatic vessels.
D. Sebaceous glands. - ANSWER- Nerve endings
Which of the following is an anion a .A
negatively charged chloride atom(cl__)
b.positively charged hydrogen atom(H+)
c.A negatively charged electron orbiting around the nucleus of an atom
d. A positively charged proton in the nucleus of an atom - ANSWER- A. A
negatively charged chloride atom(cl__)
If the PH of a solution is between 1
And 3 the solution is a :-
A. strong acid
b. strong alkali
c. Weak acid
d.weak alkali - ANSWER- Strong acid
Sublimation is the change of matter From:
a. A gas to solid
b. A liquid to solid
c. A liquid to gas
d. A solid to gas - ANSWER- D. A solid to gas
Which of the following belongs to the Science
of chemistry?
,A. The alterations of the structure of
Molecules b The condensation of vapour c
The conduction of electricity along a wire
D. The production of rays in the envoirnment - ANSWER- A The alterations of the
Structure of molecules
An atom is electrically neutral because?
A. More protons than electrons
B. More elections than protons C. Has the same number of protons d has the same
number of protons and electrons. - ANSWER- D. Has the same number Of
protons and elections
A substance which chemically cannot
Be broken down into simpler substances is called? A.
A compound
b. An element
C. A mixture
D. An emulsion - ANSWER- B. An element
The natural creases in the skin are known as.
A langerham's lines
B. Bowman's lines
C. Henle's lines
D. Langer's lines) - ANSWER- Langer's lines
Skin is thinnest on the
A. Palms of hands
B. Cheeks
C. Eyelids
D. Lips - ANSWER- Eyelids.
When skin exposed to sunlight it produces.
A. Vitamin B
B. Glycerine
, C. Natural moisturizing factors.
D. Vitamin D - ANSWER- Vitamin D
Maintainer the acidity of the skin is necessary
A. To prevent excessive perspiration
B. To improve the blood circulation of the skin
C. To prevent bacteria attacking the skin
D. To prevent excessive keratinization of the epidermis - ANSWER- To prevent
bacteria attacking the ski.
The stage of hair growth in which a club hair is formed is
A. Anagen
B. Catagen
C. Telogen
D. Androgen - ANSWER- Catagen
The part of growing hair follicle that is in contact with the hair is the?
A.. inner root sheath
B.outer root sheath
C. Vitreous membrane
D connective tissue - ANSWER- Inner root sheath.
D. Macules -fissure_ papules - ANSWER- macules-papules-bullae
' contagious skin diseases are due to
A. Microbiological influences
B. Thermal influences
C. Chemical influences