/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 151 The functions of the skin are: ... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 5: Problem 151

The functions of the skin are: 1\. protection, sensation, temperature regulation and excretion/secretion. 2\. protection, temperature regulation, acid Ph of the skin is low due to its ability to prevent toxicity. 3\. acid Ph high to prevent toxicity, sensation, second line of defense. 4\. acid Ph high to prevent microorganisms secretion/excretion of all waste materials

Short Answer

Expert verified
The correct answer is option 1: protection, sensation, temperature regulation, and excretion/secretion.

Step by step solution

01

Understand the Question

The question lists four different sets of functions of the skin and asks us to identify which set correctly describes the functions. We need to examine each option and determine whether it accurately represents the functions of the skin.
02

Review Skin Functions

The main functions of the skin include protection (from environmental hazards), sensation (responding to touch, pain, and temperature), temperature regulation (through sweat and blood flow), and excretion/secretion (such as sweat to remove waste). The skin's mildly acidic pH helps protect against pathogens, but it's not the primary defense.
03

Evaluate Each Option

1. This option correctly includes protection, sensation, temperature regulation, and excretion/secretion. 2. While it mentions protection and temperature regulation, its emphasis on preventing toxicity through pH is misleading. The skin's pH helps but isn't solely for toxicity. 3. This option suggests a high acid pH, which is incorrect; the skin has a low, not high, acidic pH. 4. This option also incorrectly states the skin has a high acidic pH.
04

Select the Correct Answer

Based on the review and evaluation, Option 1 fully and accurately describes the primary functions of the skin.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Protection
The skin is our body's first line of defense against the external environment. It acts as a barrier protecting us from harmful microbes, pollutants, and UV radiation from the sun. The outermost layer of the skin, known as the epidermis, contains cells that produce keratin. This protein provides strength and water resistance.
The skin also hosts immune cells that detect and fight off intruding pathogens. This protective function ensures that the internal systems remain untainted by potentially damaging external factors.
Sensation
Our skin is a major sensory organ, packed with nerve endings that allow us to sense our surroundings. These nerve endings are sensitive to touch, pain, pressure, and temperature, sending signals to our brain. This sensory information helps us react to dangerous situations, like pulling our hand away from a hot surface.
  • The various types of receptors include tactile receptors for touch, nociceptors for pain, and thermoreceptors for temperature changes.
  • Together, these receptors make it possible for us to feel the texture of objects, sense potential harm, and experience a wide range of sensations that connect us to the world.
Temperature Regulation
The skin plays a key role in maintaining our body鈥檚 temperature. This process involves two main mechanisms: sweating and blood flow regulation. When the body is hot, the skin's sweat glands produce sweat, which cools the body as it evaporates.
Furthermore, blood vessels in the skin can dilate to increase blood flow and release heat, or constrict to preserve heat when it's cold. This ability of the skin to modulate blood flow helps maintain a stable core body temperature essential for proper physiological function.
  • In hot conditions, blood vessels expand or vasodilate, increasing blood flow to the skin surface for cooling.
  • In cold conditions, blood vessels constrict to minimize heat loss.
Excretion and Secretion
Skin not only covers and protects the body but also plays a part in the excretion and secretion of substances. Through sweat, the skin helps eliminate waste products, such as urea and salts, from the body. This process helps keep our body's internal environment stable.
Additionally, the skin secretes sebum, an oily substance produced by sebaceous glands. Sebum helps to keep the skin moisturized and protects against bacterial infections.
  • Sweat glands secrete sweat composed mainly of water, salts, and waste products.
  • Sebaceous glands secrete sebum, which helps prevent the skin from drying out and forms an additional protective barrier.
These combined functions contribute to maintaining the health and stability of our entire body system.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

What are the factors that might make the nurse鈥檚 client reluctant to participate in morning care? 1\. illness, injury, cultural, stress 2\. illness, behavior, dependency 3\. disease, infection, doesn鈥檛 want to, high energy level 4\. nursing care poor

A 79-year-old client tells the nurse that she has been taking Prozac for several months but still feels tired after 8 hours of sleep. The nurse should assess the client for: 1\. hallucinations. 2\. depression. 3\. nightmares. 4\. twitching.

A hospitalized client tells the nurse that he has been unable to sleep. To obtain more data related to the client鈥檚 sleep problem, the nurse should first ask: 1\. 鈥淗ow many hours of sleep do you need?鈥� 2\. 鈥淒o you take naps during the day?鈥� 3\. 鈥淐an you tell me about your sleep problem?鈥� 4\. 鈥淒o you need medication to help you sleep?鈥�

The nurse is reviewing a client's lipid profile, including levels of high- density lipoproteins (HDLs), lowdensity lipopproteins (LDLs), and very low- density lipoproteins (VLDLs). The nurse concludes that the client has the desired pattern of results if the laboratory values show: 1\. high HDL, low LDL, low VLDL. 2\. low HDL, high LDL, high VLDL. 3\. low HDL, low LDL, low VLDL. 4\. high HDL, high LDL, high VLDL.

. In a specific hygiene measure as a partial bed bath, the nurse should: 1\. wash the patient in private thoroughly every day. 2\. explain the procedure to the patient and provide privacy and safety. 3\. provide safety, assemble all equipment, and have the family do the bath. 4\. explain the procedure to the patient, explain that the patient must take a bath daily, and provide safety.
See all solutions

Recommended explanations on Biology Textbooks

Microbiology

Read Explanation

Cellular Energetics

Read Explanation

Astrobiological Science

Read Explanation

Biological Molecules

Read Explanation

Cell Cycle

Read Explanation

Ecosystems

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.