Which muscles attached to the hair follicles cause goose bumps?
A) arrector integument
B) arrector pili
C) levator folliculi
D) arrector folliculi
Answer: B
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The Integumentary System
- Eyebrow hairs are always shorter than hairs on your head because of ________.
- Male pattern baldness has a genetic switch that turns on in response to ________.
- What is the first threat to life from a massive third-degree burn?
- Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. How do physicians estimate the extent of burn damage associated with such dangerous fluid loss?
- In addition to protection (physical and chemical barrier), the skin serves other functions. Which of the following is another vital function of the skin?
- The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated ________.
- Apocrine glands, which begin to function at puberty under hormonal influence, seem to play little role in thermoregulation. Where would we find these glands in the human body?
- The composition of the secretions of the eccrine glands is ________.
- Sudoriferous (sweat) glands are categorized into two distinct types. Which of the following are the two types of sweat glands?
- Which of the following statements best describes what fingernails actually are?
- The most important factors influencing hair growth are ________.
- A Langerhans' cell is a ________.
- Changes in the colour of skin are often an indication of a homeostatic imbalance. Which of the following changes would suggest that a patient is suffering from Addison's disease?
- Which of the following statements indicates the way in which the body's natural defences protect the skin from the effects of UV damage?
- The design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints, footprints, and fingerprints. Which of the following statements is true regarding these prints or ridges?
- The papillary layer of the dermis is connective tissue heavily invested with blood vessels. The superficial surface has structures called:
- Despite its apparent durability, the dermis is subject to tearing. How might a person know that the dermis has been stretched and/or torn?
- The dermis has two major layers; which of the following constitutes 80% of the dermis and is responsible for the tension lines in the skin?
- The dermis is a strong, flexible connective tissue layer. Which of the following cell types are likely to be found in the dermis?
- Water loss through the epidermis could cause a serious threat to health and well-being. Which of the following protects us against excessive water loss through the skin?
- The integumentary system is protected by the action of cells that arise from bone marrow and migrate to the epidermis. Which of the following cells serve this function?
- The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement?
- Melanocytes and keratinocytes work together in protecting the skin from UV damage when keratinocytes ________.
- Keratinocytes are an important epidermal cell because ________.
- The epidermis is responsible for protecting the body against the invasion of bacteria and other foreign agents primarily because it is composed of ________.