Which of the following activities is the most appropriate to demonstrate object permanence to an infant?
a. Hiding an object under a pillow for the infant to search
b. Playing peekaboo

Answers

Answer 1

The most appropriate activity to demonstrate object permanence to an infant is hiding an object under a pillow for the infant to search. Object permanence refers to a child's ability to understand that objects continue to exist even when they are no longer visible. They can no longer be seen, heard, touched, smelled, or sensed in any other way. Infants develop object permanence during the sensorimotor stage of cognitive development, which lasts from birth to about two years of age.

At around eight months of age, an infant begins to develop object permanence. At this point, they are able to understand that objects continue to exist even when they are not in sight. Hiding an object under a pillow for the infant to search for is the most appropriate activity to demonstrate object permanence to an infant.

An infant at this stage is not yet capable of playing peekaboo, as they do not understand that objects continue to exist when they cannot see them. When the caregiver covers their face with their hands, the infant believes that the person has disappeared. Therefore, playing peekaboo would not be effective in demonstrating object permanence to an infant.

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Related Questions

Population and Development: Which of the following affects the greatest number of people in the developing world? Select one: a. No childhood immunization for measles b. Inadequate sanitation c. Water availability d. Lack of primary schools for children

Answers

Among the following options, inadequate sanitation affects the greatest number of people in the developing and populated world. Option b. is correct.

What is inadequate sanitation? Inadequate sanitation means lacking access to clean drinking water and sanitary living conditions. It includes deficient sewage disposal and waste management. It is a serious problem in many parts of the world, particularly in developing countries. Inadequate sanitation is a leading cause of infectious diseases such as cholera, typhoid, and dysentery that affect children and adults alike.

 What are the other options? The other options in the question are: a. No childhood immunization for measles b. Water availability c. Lack of primary schools for children All of these are significant challenges in developing countries. However, inadequate sanitation affects the greatest number of people.

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how
does the peripheral nerve regeneration occur after an injury?

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Peripheral nerve regeneration refers to the process of restoring function and structure to a damaged or severed nerve. Regeneration of peripheral nerves involves three primary steps:Axon regenerationMyelination of regenerated axons Reinnervation of target tissues.

The peripheral nervous system (PNS) is capable of nerve regeneration, which means it can repair damaged nerves and restore function after injury or illness. Regeneration of nerve fibers and surrounding structures after injury is a complex and multifaceted process that depends on various biological and mechanical factors.The regenerative process of peripheral nerves involves three primary steps: Axon regeneration, myelination of regenerated axons, and reinnervation of target tissues.

When a nerve fiber is damaged, the nerve fiber's axon degenerates first, leaving behind a stumps that is surrounded by Schwann cells and other glial cells. Schwann cells are specialized cells in the PNS that are critical for nerve regeneration. They secrete factors that support axon growth and form the guiding pathway for the regenerating axon. In response to injury, Schwann cells at the site of damage secrete neurotrophic factors, which attract and promote the growth of new axons.Axon regenerationThe first step in nerve regeneration is the regrowth of the damaged axon. After a nerve fiber is damaged, the axon degenerates, leaving behind a stump that is surrounded by Schwann cells and other glial cells. Schwann cells at the site of injury secrete growth-promoting factors that attract and support the growth of new axons.

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Using the metabolic equations (ACSM Ch 6), how many miles of walking per week at 4.0 MPH would it take for the subject to achieve a 5-kg in reduction in fat weight?

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Using the metabolic equations (ACSM Ch 6), the number of miles of walking per week at 4.0 MPH required for the subject to achieve a 5-kg reduction in fat weight is 22.4 miles.

The Metabolic equations are formulas that use the intensity of exercise, in combination with body weight, to estimate energy expenditure during physical activity. The metabolic equivalents (METs) are used in these formulas and one MET is equivalent to the energy expenditure when sitting quietly. One MET is also the energy expenditure required by the body to perform a task at rest.

The ACSM's metabolic equation for walking at 4.0 MPH is 0.1 kcal/kg/meter. This implies that a 70 kg person would burn 280 kcal per mile. As a result, the total amount of walking required per week to achieve a 5-kg reduction in fat weight is calculated as follows; 5,000 grams = 11,023 calories, because 1 kg of body fat = 7,700 calories. To lose 1 pound of fat per week, you must burn 3,500 more calories than you consume.

To lose 5 kg of fat weight, a person must burn 38,500 more calories than they consume each week. This equates to a calorie deficit of roughly 5,500 calories per day. 5,500 kcal/day ÷ 280 kcal/mile = 19.6 miles/day. To lose 5 kg of fat weight, one would need to walk 22.4 miles each week, assuming a walking speed of 4.0 mph.

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Which gastrointestinal hormone helps maintain the proper ph of the stomach?

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The gastrointestinal hormone that helps maintain the proper pH of the stomach is called Gastrin.

A gastrointestinal hormone is a hormone that is secreted by enteroendocrine cells within the stomach and small intestine in response to various stimuli. They aid in the regulation of various digestive functions and are involved in the coordination of gut motility, nutrient absorption, and hormone secretion, among other things.

Gastrin is a hormone that is secreted by G cells, which are located in the antrum region of the stomach. Gastrin secretion is stimulated by the presence of food in the stomach, as well as by certain neurotransmitters, such as acetylcholine and gastrin-releasing peptide.

Gastrin's primary function is to promote the secretion of gastric acid, which aids in the digestion of food. Gastrin does this by acting on parietal cells in the stomach lining, which are responsible for producing hydrochloric acid. The release of hydrochloric acid from the parietal cells is regulated by a complex system of hormonal and neural signals that is controlled by the presence of food in the stomach.

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