Paige, Samaira, and Tori are preparing for their cosmetology exam. While studying, they come across a real-life case where a client has visible depressions running across the width of her natural nail plate. They are asked to identify what these depressions are called.

• Beau's line

• Big lines

• Bigly lines

• Beau bridge ridges

Nathalia, Samaira, and Kenadi are studying for their cosmetology exam. They are discussing a real-life scenario where their friend Tori noticed a change in her sister Vivianna's nails. Tori is worried because she read in her cosmetology book that certain nail conditions may indicate a systemic disorder or poor blood circulation. What could be the possible indication of such conditions in this real-world scenario?

• Colored polish nails

• Natural nail color

• Discolored nails

• Fake nails

Samaira, Tori, and Paige are preparing for a school play where they have to portray different characters. Samaira is playing a character with black hair and she is curious to know: 'What type of melanin gives black and brown color to the hair?'

• Primary

• Eumelanin

• Pigment

• Pheomelanin

Vivianna, Ayanna, and Tori attended a hairstyling workshop where they learned about different types of curls. During a practical session, they were asked to create a curl that is placed half off and half on the base, providing medium movement. Can you recall the name of this curl?

• Full-stem curl

• Half-stem curl

• Base curl

• half base curl

In her cosmo class, Zully is studying about the level system of hair color. She learned that the darkest hair colors are identified as being a level ____ while the lightest hair colors are _____. Ayanna, Kenadi, and Nathalia are helping Zully in identifying these levels. Can you assist them?

• 10:1

• 8:3

• 4:6

• 1:10

Zully, Val, and Ayanna are planning to paint a mural on their school wall. They want to depict a sunrise scene that gives a warm and bright effect. Which primary color should they predominantly use to achieve this effect?

• Red

• Yellow

• Blue

• Green

Emma is a professional hairdresser and she is preparing for a hairdressing competition. She is practicing on her friends, Kenadi, Zully, and Val. For Val, she wants to create a low volume curly style without much lift. Which base pin curls should Emma typically use?

• Circle

• Square

• Triangular

• Rectangular

In a biology class, Tori, Samaira, and Vivianna were examining a strand of Emily's hair under a microscope. They were trying to understand the structure of hair. After their analysis, they concluded that the _______ is the innermost layer of the hair and it contributes to its thickness.

• Cortex

• Cuticle

• Medulla

• Hair follicle

During a sleepover, Samaira, Ayanna, and Kenadi decide to have a DIY spa night. Samaira, who has been learning about hair care, explains that the process of hair straightening involves the alteration of a certain type of hair bond. She then quizzes Ayanna and Kenadi to see if they remember which bond this is. What is their correct response?

• Peptide bonds

• Disulfide bonds

• Hydrogen bonds

• Covalent bonds

Paige, Val, and Victoria are preparing for their cosmetology exam. While studying, they come across a real-world scenario about a client who wants to relax her curly hair. They learn that hydroxide chemical relaxers are used in this process, which break disulfide bonds and convert them to _______ bonds. Can you help them answer this question?

• Ianthionine

• Sulfur

• Carbon

• Hydrogen