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Questions and Answers
What classifies an organ as part of the endocrine system?
What classifies an organ as part of the endocrine system?
- It secretes hormones into the circulatory system (correct)
- It is capable of converting amino acids into hormones
- It has intracellular receptors for hormones
- It produces cholesterol
Complete the analogy: neurotransmitters : nervous system :: hormones : ?
Complete the analogy: neurotransmitters : nervous system :: hormones : ?
- digestive system
- endocrine system (correct)
- circulatory system
- respiratory system
Which of the following is true about lipophilic hormones?
Which of the following is true about lipophilic hormones?
- They cannot enter their target cells
- They are rapidly deactivated after binding to their receptors
- They are soluble in water
- They require a transport protein in the bloodstream (correct)
Which of the following is not a characteristic of an endocrine organ?
Which of the following is not a characteristic of an endocrine organ?
What distinguishes the endocrine system from other systems like the digestive or respiratory systems?
What distinguishes the endocrine system from other systems like the digestive or respiratory systems?
What color is the woven mat that the person's foot is resting on?
What color is the woven mat that the person's foot is resting on?
What position are the toes in the image?
What position are the toes in the image?
Which sense are free nerve endings associated with?
Which sense are free nerve endings associated with?
What is the color of the person's foot in the image?
What is the color of the person's foot in the image?
How many options are given for each question in the image?
How many options are given for each question in the image?
White matter is primarily comprised of which of the following?
White matter is primarily comprised of which of the following?
What is the main function of the hypothalamus?
What is the main function of the hypothalamus?
Which of the following statements is true about a resting potential?
Which of the following statements is true about a resting potential?
What role does the brain stem play in the body?
What role does the brain stem play in the body?
A functional reflex requires all of the following except:
A functional reflex requires all of the following except:
What is the primary role of sensory neurons?
What is the primary role of sensory neurons?
Which of the following statements about pons is correct?
Which of the following statements about pons is correct?
Which of these terms describes the electrical charge of a neuron at rest?
Which of these terms describes the electrical charge of a neuron at rest?
Which type of muscle is found in the heart?
Which type of muscle is found in the heart?
Which layer of the skin does a hypodermic needle first penetrate?
Which layer of the skin does a hypodermic needle first penetrate?
Sebaceous glands are NOT located in which of the following areas?
Sebaceous glands are NOT located in which of the following areas?
What type of tissue makes up the epidermis?
What type of tissue makes up the epidermis?
What is the main function of melanin?
What is the main function of melanin?
Which factor is most important in determining skin color?
Which factor is most important in determining skin color?
Which type of tissue is found in the lungs?
Which type of tissue is found in the lungs?
How does the integumentary system help regulate body temperature?
How does the integumentary system help regulate body temperature?
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Study Notes
Nervous System
- White matter consists of myelinated axons, whereas gray matter consists of unmyelinated cell bodies and dendrites.
- White matter is found in the CNS, and gray matter is also found in the CNS.
- A functional reflex requires a sensory neuron, the thalamus, and a motor neuron.
- Stimulants increase the activity of the nervous system, while depressants decrease the activity of the nervous system.
- Motor neurons carry signals from the CNS to muscles and glands, whereas sensory neurons carry signals from sensory organs to the CNS.
- The brain stem controls basic life functions, and the diencephalon is involved in sensory relay and hormone production.
- Resting potential is the electrical charge of a neuron at rest, and action potential is the electrical signal that travels down a neuron.
- A neuron is a nerve cell, a dendrite is a branch of a neuron that receives signals, a myelin sheath is a fatty covering that insulates neurons, and a synapse is the gap between two neurons.
Endocrine System
- An organ is classified as part of the endocrine system if it secretes hormones into the circulatory system.
- The analogy is: neurotransmitters: nervous system :: hormones: endocrine system.
Muscle Types
- There are three types of muscle: Skeletal Muscle, Smooth Muscle, and Cardiac Muscle.
Integumentary System
- The first integumentary structure through which a hypodermic needle will pass is the Papillary Layer.
- Sebaceous glands are not located in the Abdominal region.
- The epidermis is composed of Keratinized stratified squamous epithelial tissue.
- The primary function of melanin is to provide protection against the sun's UV rays.
- Melanin is most important in determining skin coloration.
- Epithelial tissue is found in the lungs.
- Sebaceous glands are most active when hair is shedding.
- The integumentary system helps to regulate body temperature by retaining heat.
- Sweat and oil glands are not associated with the skin.
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