(Q).
Q: How does a reduced sweating ability affect elderly people? Read this paragraph and choose the correct option from the provided answers: The accessory structures also have lowered activity, generating thinner hair and nails, and reduced amounts of sebum and sweat. A reduced sweating ability can cause some elderly to be intolerant to extreme heat. Other cells in the skin, such as melanocytes and dendritic cells, also become less active, leading to a paler skin tone and lowered immunity. Wrinkling of the skin occurs due to breakdown of its structure, which results from decreased collagen and elastin production in the dermis, weakening of muscles lying under the skin, and the inability of the skin to retain adequate moisture. Many anti-aging products can be found in stores today. In general, these products try to rehydrate the skin and thereby fill out the wrinkles, and some stimulate skin growth using hormones and growth factors. Additionally, invasive techniques include collagen injections to plump the tissue and injections of BOTOX®️ (the name brand of the botulinum neurotoxin) that paralyze the muscles that crease the skin and cause wrinkling. Choices: - loss of mental ability - extreme tiredness - less energy - extreme heat intolerance A:
(A).
extreme heat intolerance

(Q).
Q: What are gemstones known as when light cannot pass through them? Read this paragraph and choose the correct option from the provided answers: Most gemstones are not used exactly as they are found in nature. Usually, gems are cut and polished. Figure below shows an uncut piece of ruby and a ruby that has been cut and polished. The way a mineral splits along a surface allows it to be cut to produce smooth surfaces. Notice that the cut and polished ruby sparkles more. Gems sparkle because light bounces back when it hits them. These gems are cut so that the most amount of light possible bounces back. Other gemstones, such as turquoise, are opaque, which means light does not pass through them. These gems are not cut in the same way. Choices: - inorganic - blocking - protective - opaque A:
(A).
opaque

(Q).
Q: A diploid zygote is formed when one sperm does what? Read this paragraph and choose the correct option from the provided answers: Choices: - cracks the egg - repels the egg - incapacitates the egg - fertilizes the egg A:
(A).
fertilizes the egg