Esthetics Practice Test: Part One

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  • 1/50 Questions

    A male customer with a lot of mustache walks in for a facial. After cleaning his face, how would you remove the cleaning product?

    • Follow the direction of the mustache growth
    • Leave cleaning product on
    • Use your hands to wipe product off
    • Shave off mustache
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About This Quiz

This 'Esthetics Practice Test: Part One' assesses knowledge in anatomy related to esthetics, focusing on the facial bones, hand bones, muscles, and skin nourishment. It evaluates understanding of sanitation procedures in a health context, vital for professionals in skincare and beauty.

Esthetics Practice Test: Part One - Quiz

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  • 2. 

    The client has dehydrated skin, which is the sign of...

    • Illness

    • High blood pressure

    • Lack of water

    • Too much water

    Correct Answer
    A. Lack of water
    Explanation
    Dehydrated skin is a clear indication that the client lacks water. When the body does not receive enough water, it can lead to dry, dull, and flaky skin. Adequate hydration is essential for maintaining the skin's moisture balance and promoting a healthy complexion.

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  • 3. 

    The purpose of using wood lamp is to...

    • Heat

    • Nothing

    • Apply product

    • Analyze the skin condition

    Correct Answer
    A. Analyze the skin condition
    Explanation
    The purpose of using a wood lamp is to analyze the skin condition. A wood lamp emits ultraviolet light that helps to identify various skin conditions such as fungal infections, bacterial infections, pigmentation disorders, and other skin abnormalities. The different colors and patterns observed under the wood lamp can provide valuable information about the health and condition of the skin. It is a non-invasive and useful tool for dermatologists and skincare professionals to assess and diagnose skin problems.

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  • 4. 

    You greets a client at the door and shakes the client's hand, afterwards you wash your hands. What is this procedure called?

    • Abstraction

    • Sterilization

    • Infection

    • Sanitation

    Correct Answer
    A. Sanitation
    Explanation
    Sanitation is the correct answer because it refers to the process of maintaining cleanliness and hygiene to prevent the spread of diseases and infections. In this scenario, greeting the client at the door and shaking their hand is a common practice, but washing hands afterwards is an important step in maintaining sanitation and preventing the transmission of germs.

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  • 5. 

    If the sebaceous glands (oil glands) become too active what would happen to the skin?

    • Oily acne

    • Nothing

    • Redden

    • Peeling

    Correct Answer
    A. Oily acne
    Explanation
    If the sebaceous glands become too active, it means that they are producing an excessive amount of oil. This excess oil can clog the pores on the skin, leading to the development of acne. Oily acne is a common skin condition characterized by the presence of pimples, blackheads, and whiteheads on the skin. Therefore, if the sebaceous glands become too active, the skin is likely to develop oily acne.

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  • 6. 

    What massage method do you use when cleaning the face?

    • Shiatsu

    • Acupressure

    • Effleurage

    • Stone

    Correct Answer
    A. Effleurage
    Explanation
    Effleurage is a massage technique commonly used when cleaning the face. It involves gentle, long, and sweeping movements with the fingertips or palms, which helps to stimulate blood circulation, relax the muscles, and remove impurities from the skin. This technique is often used in facial cleansing routines as it is soothing and promotes a sense of relaxation and rejuvenation. Shiatsu and acupressure are different massage techniques that focus on specific pressure points, while stones are typically used in hot stone massages and not specifically for face cleaning.

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  • 7. 

    The galvanic method of hair removal uses...

    • Electrolysis

    • Microanalysis

    • Proteolysis

    Correct Answer
    A. Electrolysis
    Explanation
    The galvanic method of hair removal uses electrolysis. Electrolysis is a process that involves the use of an electric current to permanently remove hair by destroying the hair follicles. During the procedure, a small needle is inserted into the hair follicle, and a low-level electrical current is applied to the needle. This current causes a chemical reaction that damages the hair follicle, preventing further hair growth. Electrolysis is considered a highly effective method of hair removal and is commonly used for permanent hair removal in various areas of the body.

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  • 8. 

    The tools for galvanic machines are made of...

    • Clay

    • Metal

    • Wood

    • Plastic

    Correct Answer
    A. Metal
    Explanation
    The tools for galvanic machines are made of metal because metal is a good conductor of electricity. Galvanic machines use a process called galvanic current, which involves the use of electrical current to deliver beneficial ingredients to the skin. Metal tools ensure that the current is conducted efficiently and effectively, allowing for optimal results during the galvanic treatment. Clay, wood, and plastic are not suitable materials for galvanic machine tools as they do not conduct electricity well.

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  • 9. 

    What is the relaxing and continuing (cleansing/soothing/rhythmatic) massage movement?

    • Structural

    • Effleurage

    • Deep tissue

    • Accupressure

    Correct Answer
    A. Effleurage
    Explanation
    Effleurage is a massage movement that involves long, sweeping strokes with light pressure. It is known for its relaxing and soothing effects on the body, making it an ideal choice for relaxation and stress relief. This technique is often used at the beginning and end of a massage session to warm up the muscles and promote relaxation. Effleurage helps to improve blood circulation, relieve muscle tension, and create a sense of overall well-being.

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  • 10. 

    What is the main purpose of a clay mask?

    • Release oils

    • Absorb

    • Nothing

    • Exfoliates dead skin

    Correct Answer
    A. Absorb
    Explanation
    A clay mask is used primarily to absorb excess oil and impurities from the skin. When applied to the face, the clay in the mask acts like a magnet, drawing out dirt, oil, and other impurities from the pores. This helps to unclog pores, reduce the appearance of blackheads, and prevent breakouts. Absorbing excess oil also helps to mattify the skin and reduce shine, making it a popular choice for those with oily or combination skin. Additionally, the absorbent properties of clay can help to improve the overall texture and tone of the skin by removing dead skin cells and promoting a smoother complexion.

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  • 11. 

    Allergy is usually caused by...

    • Wood

    • Metals

    • Fabrics

    • Fragrance

    Correct Answer
    A. Fragrance
    Explanation
    Allergy is usually caused by fragrance because fragrances often contain various chemicals that can trigger allergic reactions in sensitive individuals. These chemicals can irritate the respiratory system, skin, and eyes, leading to symptoms such as sneezing, coughing, itching, and rashes. Fragrances can be found in various products such as perfumes, colognes, soaps, shampoos, and cleaning agents. It is important for individuals with allergies to avoid or minimize exposure to fragrances to prevent allergic reactions.

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  • 12. 

    What would you use to apply a paraffin mask?

    • Cotton swabs

    • Brush

    • Bare hands

    • Tissues

    Correct Answer
    A. Brush
    Explanation
    A brush would be the most suitable tool to apply a paraffin mask. Using a brush allows for a more even and precise application of the mask onto the skin. It helps to ensure that the mask is spread evenly and reaches all areas of the face or body that require treatment. Additionally, using a brush helps to prevent contamination of the mask, as compared to using bare hands or tissues. Cotton swabs may not be as effective in applying the mask evenly, especially for larger areas.

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  • 13. 

    Sudoriferous (sweat) gland regulates...

    • Cells

    • Blood pressure

    • Blood flow

    • Body temperature

    Correct Answer
    A. Body temperature
    Explanation
    The sudoriferous (sweat) gland is responsible for regulating body temperature. When the body temperature rises, the sweat glands produce sweat, which evaporates and cools down the body. This helps to maintain a stable body temperature. Therefore, the correct answer is body temperature.

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  • 14. 

    What is the cell dividing procedure called?

    • Photosynthesis

    • Mitosis

    • Germination

    • Pollination

    Correct Answer
    A. Mitosis
    Explanation
    Mitosis is the correct answer because it is the cell dividing procedure where a single cell divides into two identical daughter cells. During mitosis, the cell's nucleus and genetic material are evenly distributed to the daughter cells, ensuring that each new cell receives a complete set of chromosomes. This process is crucial for growth, development, and repair of tissues in multicellular organisms. Photosynthesis is the process by which plants convert sunlight into energy, germination is the process of a seed developing into a new plant, and pollination is the transfer of pollen from the male to the female reproductive organs in plants.

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  • 15. 

    A lady has dry and bronze hair, and a swollen face. What does that indicate?

    • Health warning

    • Oily skin

    • Bad facial

    • Excessively dyed hair

    Correct Answer
    A. Health warning
    Explanation
    The dry and bronze hair, along with the swollen face, indicate a health warning. These symptoms could be signs of an underlying health issue or imbalance in the body. It is important to seek medical advice and get a proper diagnosis to address the potential health concerns causing these symptoms.

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  • 16. 

    What is a characteristic of pathogenic micro-organism?

    • Cause diseases

    • Wrinkles

    • Acne

    • Sensitive skin

    Correct Answer
    A. Cause diseases
    Explanation
    Pathogenic micro-organisms are characterized by their ability to cause diseases. Unlike wrinkles, acne, or sensitive skin, pathogenic micro-organisms have the potential to invade the body and disrupt its normal functioning, leading to various illnesses and health problems. These micro-organisms can include bacteria, viruses, fungi, and parasites, and they can cause a wide range of infectious diseases, such as flu, tuberculosis, malaria, and COVID-19. Understanding this characteristic is crucial for identifying and combating these harmful micro-organisms and preventing the spread of infectious diseases.

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  • 17. 

    Since light skin is sensitive to waxing, how would darker skin react to the procedure?

    • Acne

    • Blotchy skin

    • A little or no effect

    • Infection

    Correct Answer
    A. A little or no effect
    Explanation
    Darker skin is less sensitive to waxing compared to light skin. This is because darker skin has more melanin, which provides natural protection against irritation and inflammation. Therefore, it is likely that darker skin would have a little or no effect when waxed, unlike light skin which may experience sensitivity, redness, or blotchy skin.

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  • 18. 

    The reason to put a loose powder on during make-up is to....

    • Keep oils from seeping out of pores

    • Set the foundation

    • Have a matte finish

    • Nothing

    Correct Answer
    A. Set the foundation
    Explanation
    Loose powder is used during make-up to set the foundation. It helps to lock the foundation in place and prevent it from smudging or fading throughout the day. By applying loose powder, the foundation becomes more long-lasting and provides a smoother finish. It also helps to control shine and oiliness, giving the skin a matte appearance.

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  • 19. 

    The skin is nourished by:

    • Bones

    • Blood & lymph

    • Cartilage

    • Blood & flesh

    Correct Answer
    A. Blood & lymph
    Explanation
    The skin is nourished by blood and lymph. Blood carries oxygen and nutrients to the skin cells, providing them with the necessary fuel for growth and repair. It also removes waste products from the cells. Lymph, on the other hand, helps in maintaining the balance of fluids in the skin and aids in the removal of toxins and waste materials. Both blood and lymph play crucial roles in nourishing and maintaining the health of the skin.

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  • 20. 

    Abscesses (collection of pus) is an example of what infection?

    • Fungal infection

    • Local infection

    • Lung infection

    • Eye infection

    Correct Answer
    A. Local infection
    Explanation
    Abscesses, which are collections of pus, typically occur as a result of a local infection. They are commonly caused by bacteria entering the body through a wound or an infected hair follicle. The body's immune response leads to the formation of pus, which is a mixture of dead tissue, white blood cells, and bacteria. Therefore, abscesses are a clear example of a local infection.

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  • 21. 

    What is used to blend (add/mix) two substances together?

    • Solvent

    • Metal

    • Gas

    • Compound

    Correct Answer
    A. Solvent
    Explanation
    A solvent is a substance that is used to blend or mix two other substances together. It is capable of dissolving or dispersing another substance, resulting in a homogeneous mixture. Solvents are commonly used in various industries, such as manufacturing, cleaning, and pharmaceuticals, to dissolve, dilute, or extract substances. They can be in liquid or gas form and are chosen based on their compatibility with the substances being blended.

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  • 22. 

    What is the terminology for the scientific study of the health of hair and scalp?

    • Biology

    • Psychology

    • Trichology

    • Paleontology

    Correct Answer
    A. Trichology
    Explanation
    Trichology is the correct answer because it is the specific terminology used to describe the scientific study of the health of hair and scalp. Biology is the study of living organisms in general, while psychology is the study of the mind and behavior. Paleontology is the study of fossils and ancient life forms. Therefore, trichology is the most appropriate term for the scientific study of hair and scalp health.

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  • 23. 

    What can you tell the client if he/she has a lot of boil (sebum/sabaceous) on his/her face?

    • Nothing

    • Recommend product

    • Recommend physician

    Correct Answer
    A. Recommend physician
    Explanation
    If the client has a lot of boils (sebum/sabaceous) on their face, it is recommended to suggest a physician. This is because boils can be a sign of a more serious underlying condition, such as an infection or hormonal imbalance. A physician will be able to diagnose the cause of the boils and provide appropriate treatment or further referrals if necessary.

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  • 24. 

    Sudoriferous glands (sweat gland) excretes...

    • Pus

    • Water & lactic acid

    • Blood

    • Oil

    Correct Answer
    A. Water & lactic acid
    Explanation
    Sudoriferous glands, also known as sweat glands, are responsible for excreting water and lactic acid. These glands are found in the skin and play a crucial role in regulating body temperature. When the body becomes overheated, the sweat glands release sweat, which is primarily composed of water and lactic acid. This process helps to cool down the body as the sweat evaporates from the skin's surface. Pus, blood, and oil are not excreted by sweat glands.

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  • 25. 

    What is the procedure of removing fat from the eyelid is called?

    • Abdominaplasty

    • Blepharoplasty

    • Phalloplasty

    • Mammoplasty

    Correct Answer
    A. Blepharoplasty
    Explanation
    Blepharoplasty is the correct answer because it refers to the procedure of removing fat from the eyelid. This surgery is commonly performed to improve the appearance of droopy or puffy eyelids by removing excess skin, muscle, and fat. It can help to rejuvenate the appearance of the eyes and create a more youthful and alert look. Abdominoplasty, phalloplasty, and mammoplasty are all unrelated procedures that involve surgery on the abdomen, penis, and breasts respectively.

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  • 26. 

    Which layer of the  skin is most exfoliated off?

    • Corneum

    • Lucidum

    • Subcutaneous

    • Granulosum

    Correct Answer
    A. Corneum
    Explanation
    The corneum layer of the skin is the outermost layer and is responsible for exfoliation. This layer consists of dead skin cells that are constantly shed and replaced with new cells from the underlying layers. Exfoliation helps to remove dead skin cells, revealing smoother and brighter skin. The other layers mentioned (lucidum, granulosum, and subcutaneous) are not typically exfoliated off as they are deeper layers of the skin with different functions.

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  • 27. 

    What is the active growth stage of hair cells called?

    • Catagen

    • Anagen

    • Telogen

    • Pathogen

    Correct Answer
    A. Anagen
    Explanation
    The active growth stage of hair cells is called anagen. During this stage, the hair follicles are actively producing new cells, resulting in the growth of hair. This is the phase where the hair grows the most and can last for several years. The anagen stage is followed by the catagen stage, where the hair follicles begin to transition and shrink, and then the telogen stage, where the hair follicles are at rest and no new growth occurs. "Pathogen" is unrelated to the growth stage of hair cells.

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  • 28. 

    Using EPA register product to clean counter tops, sinks, floors, toilets, doorknobs, mirrors, magnifying lamps, dispensary, facial beds; is an example of...

    • Infection

    • Sterilization

    • Sanitation

    • Abstraction

    Correct Answer
    A. Sanitation
    Explanation
    The given scenario describes the use of EPA registered products to clean various surfaces and objects in a facility. Sanitation is the process of maintaining cleanliness and hygiene to prevent the spread of germs and reduce the risk of infection. By using EPA registered products, which are specifically designed to kill germs and bacteria, the facility ensures that the surfaces and objects are effectively cleaned and sanitized, creating a safe and hygienic environment for staff and clients.

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  • 29. 

    Which part of the body does free radical damage?

    • Veins

    • Tissues

    • Cell membranes

    • Arteries

    Correct Answer
    A. Cell membranes
    Explanation
    Free radicals are highly reactive molecules that can cause damage to various parts of the body. However, they have a particular affinity for cell membranes. Cell membranes are composed of a phospholipid bilayer that surrounds and protects the cell. Free radicals can attack and damage the cell membrane, leading to disruption of its structure and function. This can result in impaired cell signaling, increased permeability, and oxidative stress, which can contribute to various diseases and aging processes. Therefore, cell membranes are particularly susceptible to free radical damage.

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  • 30. 

    What is the abnormal secretion from the sebecseous glands?

    • Hormones

    • Acne

    • Seborrhea

    Correct Answer
    A. Seborrhea
    Explanation
    Seborrhea is the abnormal secretion from the sebaceous glands. It is a condition characterized by excessive production of sebum, an oily substance that lubricates the skin and hair. This overproduction of sebum can lead to oily skin, clogged pores, and inflammation, resulting in symptoms such as acne and dandruff. Seborrhea can be caused by hormonal imbalances, genetic factors, or certain medical conditions. Treatment options for seborrhea include topical medications, lifestyle changes, and managing underlying conditions.

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  • 31. 

    What is the crack in the skin that penetrates the dermis?

    • Fission

    • Fissure

    • Hemoglobin

    • Cut

    Correct Answer
    A. Fissure
    Explanation
    A fissure is a crack in the skin that goes deep into the dermis. It is a narrow opening or groove that can be caused by various factors such as dryness, injury, or certain skin conditions. Fissures can be painful and may lead to bleeding or infection if not properly treated.

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  • 32. 

    Which of the epidermis layer compose cells that resemble granules filled with kertin?

    • Spinosum

    • Corneum

    • Granulosum

    • Germination

    Correct Answer
    A. Granulosum
    Explanation
    The epidermis layer that composes cells resembling granules filled with keratin is the granulosum layer. This layer is responsible for the production of keratin, which provides strength and protection to the skin. The granulosum layer is located between the stratum spinosum and the stratum corneum layers in the epidermis.

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  • 33. 

    Dr. Jacque movement is especially food for what skin type?

    • Normal

    • Combination

    • Oily

    • Dry

    Correct Answer
    A. Oily
    Explanation
    Dr. Jacque movement is especially good for oily skin types because it helps to stimulate blood circulation and lymphatic drainage, which can reduce excess oil production and improve the overall appearance of oily skin. This movement may also help to unclog pores and prevent acne breakouts. Additionally, Dr. Jacque movement may help to balance the skin's natural oil production and promote a healthier complexion for those with oily skin.

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  • 34. 

    What method is use to perform hydrotherapy?

    • Massage

    • Whirpool

    • Heating

    • Bathing

    Correct Answer
    A. Whirpool
    Explanation
    A whirlpool is the method used to perform hydrotherapy. Hydrotherapy is a therapeutic technique that involves the use of water to promote healing and relaxation. A whirlpool is a type of bath that creates a swirling motion in the water, providing a massaging effect on the body. This method is commonly used in physical therapy and rehabilitation settings to alleviate pain, improve circulation, and reduce muscle tension.

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  • 35. 

    What is the main source of blood supply to the head, face, and neck?

    • Subclavian artery

    • Brachiocephalic artery

    • Carotid artery

    • Coronary artery

    Correct Answer
    A. Carotid artery
    Explanation
    The carotid artery is the main source of blood supply to the head, face, and neck. It is a major blood vessel that branches off from the aorta and delivers oxygenated blood to the brain and other structures in the head and neck region. The carotid artery plays a crucial role in maintaining proper blood flow and providing essential nutrients to these areas, allowing them to function properly.

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  • 36. 

    Titanium protects the skin by...

    • Refracting light

    • Reflecting light

    • Transmitting energy

    • Creating a new layer of skin

    Correct Answer
    A. Reflecting light
    Explanation
    Titanium protects the skin by reflecting light. When titanium is applied to the skin, it acts as a physical barrier that reflects harmful UV rays away from the skin. This helps to prevent sunburn and other damage caused by excessive sun exposure. By reflecting light, titanium provides a protective shield for the skin, reducing the risk of sun damage and maintaining the overall health and appearance of the skin.

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  • 37. 

    The largest bone of the fourteen facial bones is...

    • Mandible bone

    • Temporal bone

    • Nasal bone

    • Frontal bone

    Correct Answer
    A. Mandible bone
    Explanation
    The mandible bone is the correct answer because it is the largest bone among the fourteen facial bones. The mandible bone, also known as the jawbone, forms the lower jaw and is responsible for the movement of the mouth and chewing. It is a strong and sturdy bone that supports the lower teeth and provides structure to the lower face. The temporal bone, nasal bone, and frontal bone are all facial bones, but they are smaller in size compared to the mandible bone.

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  • 38. 

    The pH point of 9 is how many times of pH 7?

    • 100

    • 200

    • 300

    • 400

    Correct Answer
    A. 100
    Explanation
    The pH scale measures the acidity or alkalinity of a solution. A pH of 7 is considered neutral, while a pH below 7 is acidic and a pH above 7 is alkaline. In this question, the pH point of 9 is asking how many times more alkaline it is compared to a pH of 7. Since a pH of 9 is 2 points higher than 7, it means it is 100 times more alkaline. This is because the pH scale is logarithmic, with each unit representing a tenfold difference in acidity or alkalinity.

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  • 39. 

    Which ingredient is both stimulating and astringent?

    • Eucalyptus

    • Peppermint

    • Honey

    • Oil

    Correct Answer
    A. Eucalyptus
    Explanation
    Eucalyptus is both stimulating and astringent. It has invigorating properties that can help to increase alertness and mental focus. Additionally, it has astringent properties, which means that it can help to tighten and tone the skin, reducing the appearance of pores and improving overall skin texture.

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  • 40. 

    What is the main cause of vitiligo (lake of pigmentation/hypopogmentation/white spot)?

    • Acne

    • Peeling

    • Reddening

    • Dehydration

    Correct Answer
    A. Peeling
    Explanation
    Peeling is the main cause of vitiligo. This is because peeling refers to the process of skin shedding or flaking off, which can lead to the loss of pigmentation. When the skin peels, the melanocytes responsible for producing melanin, the pigment that gives color to the skin, are also shed. This results in hypopigmentation or white spots on the skin, which are characteristic of vitiligo. Acne, reddening, and dehydration are not directly associated with the development of vitiligo.

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  • 41. 

    Which layer of the epidermis does cells division occur?

    • Germinativum

    • Corneum

    • Spinonsum

    • Lucidum

    Correct Answer
    A. Germinativum
    Explanation
    Cell division occurs in the germinativum layer of the epidermis. This layer is also known as the basal layer and is located at the bottom of the epidermis. It is responsible for producing new cells that will eventually move up to the surface of the skin. The cells in the germinativum layer divide rapidly, allowing for constant renewal and regeneration of the epidermis.

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  • 42. 

    When extracting millia/comedone (blackheads) the lancet (hand) should be held at

    • 10

    • 20

    • 30

    • 40

    Correct Answer
    A. 30
    Explanation
    The correct answer is 30 because holding the lancet at a 30-degree angle allows for proper extraction of blackheads. This angle helps to ensure that the lancet can effectively penetrate the skin and remove the contents of the blackhead without causing excessive damage or scarring. Holding the lancet at a different angle may not provide the necessary precision and control needed for successful extraction.

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  • 43. 

    What tissue protect our bodies' surface?

    • Connective

    • Muscle

    • Nervous

    • Epithelial

    Correct Answer
    A. Epithelial
    Explanation
    Epithelial tissue is responsible for protecting our bodies' surfaces. It covers the outer layer of our skin, lines the internal organs, and forms the lining of blood vessels and cavities. It acts as a barrier against pathogens, toxins, and physical damage. Epithelial tissue also helps in absorption, secretion, and sensation. It plays a crucial role in maintaining the integrity and functionality of our body surfaces.

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  • 44. 

    Adipose if located in which what layer of skin?

    • Spinosum

    • Corneum

    • Germination

    • Subcuntaneous

    Correct Answer
    A. Subcuntaneous
  • 45. 

    Which of the following is an intrinsical disease?

    • Leukemia

    • Dehydration

    • Hyperpigmentation

    • Vitamin deficiency

    Correct Answer
    A. Vitamin deficiency
    Explanation
    An intrinsical disease refers to a medical condition that is caused by internal factors or abnormalities within the body. Leukemia, dehydration, and hyperpigmentation can all be caused by external factors or conditions, such as infections, environmental factors, or lifestyle choices. However, vitamin deficiency is an intrinsical disease because it occurs due to a lack of essential vitamins within the body, which can be caused by poor diet, malabsorption, or certain medical conditions.

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  • 46. 

    What muscle extends from the chest and shoulder muscle to the side of the chin?

    • Digastric

    • Mylohyoid

    • Platysma

    • Sternocleidomastoid

    Correct Answer
    A. Platysma
    Explanation
    The platysma is a broad, thin muscle that extends from the chest and shoulder muscle to the side of the chin. It covers the front of the neck and is responsible for various movements of the lower jaw and mouth. When contracted, the platysma can pull the corners of the mouth downwards and tighten the skin of the neck.

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  • 47. 

    Which layer of the epidermis penetrates light?

    • Subcuntaneous

    • Lucidum

    • Granulosum

    • Corneum

    Correct Answer
    A. Lucidum
    Explanation
    The layer of the epidermis that penetrates light is the lucidum layer. This layer is found in thick skin, such as the palms of the hands and soles of the feet. It is translucent and allows light to pass through it. The lucidum layer is composed of flattened, densely packed cells that lack organelles and are filled with a protein called eleidin. This layer helps to provide additional protection to the skin and contributes to its overall thickness.

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  • 48. 

    What is a skin abrasion produced by scratching or scraping?

    • Bruise

    • Fission

    • Excoriation

    • Lesion

    Correct Answer
    A. Excoriation
    Explanation
    An excoriation is a skin abrasion that is caused by scratching or scraping. It is a superficial injury that occurs when the outer layer of the skin is removed or damaged. This can happen due to various reasons, such as itching, irritation, or rubbing against a rough surface. Excoriations can vary in size and severity, ranging from small scratches to larger wounds. They are commonly seen in conditions like dermatitis, eczema, or insect bites. Treatment for excoriations involves keeping the area clean, applying antiseptic ointments, and avoiding further scratching or irritation.

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  • 49. 

    Which of the following is the largest bone of your hand?

    • Metacarpal bone

    • Humerus

    • Radius

    • Ulna

    Correct Answer
    A. Humerus
    Explanation
    The humerus is the largest bone of the hand. It is located in the upper arm and extends from the shoulder to the elbow. It is responsible for connecting the shoulder and the forearm, providing support and mobility to the arm. The metacarpal bone, radius, and ulna are all bones found in the hand, but they are smaller in size compared to the humerus.

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