Which of the following is an example of a normal physiologic process that uses a positive feedback loop? a. blood pressure regulation b. childbirth C. regulation of fluid balance d. temperature regulation

Q: What does a transporter protein do at a synapse? a. It carries neurotransmitter molecules from the…

A: A neurotransmitter does not stay at the postsynaptic membrane. If it stays, it continues to excite…

Q: chemical messengers that are synthesized in response to a local stimulus and diffuse to neighboring…

A: Chemical messengers are molecules that are produced by cells and tissues in order to communicate…

Q: When a catecholamine or peptide hormone binds to receptors on the surface of a cell,   A. The…

A: Catecholamines are a group of hormones that are secreted by the adrenal glands that are positioned…

Q: One of the earliest expressions of fear in infants is: Select one: a. Crying when a toy rolls away…

A: Introduction: Babies start to exhibit scared expressions and other fear-based actions between the…

Q: . Neural communication occurs through chemical messengers called neurotransmitters which send…

A: The structure, functioning, evolution, mapping, and editing of genomes are all studied in genomics,…

Q: How does the aging immune system affect the aging endocrine system? use 3 examples and explain how…

A: Immune systemIt is the system which controls the immunity power of the body to fight against the…

Q: Which of the following is not excitable or have the capacity to generate electrical signals? Select…

A: D. Skin cell

Q: What is the electrical current that travels along neurons called? A. Neurotransmitter B. Action…

A: For the functioning of the nervous system, sending and receiving signals by the neurons are…

Q: A study tested the effects of sleep deprivation and alcohol consumption on reaction time. Which of…

A: Reaction time is a measure of how quickly an organism can respond to a particular stimulus. There…

Q: Antacids such as Zantac, help to prevent hearturn, by blocking histamine receptors. This results in…

A: Antacids are commonly used to neutralize the acids in the stomach, used to treat the symptoms like…

Q: What evidence led Sherrington to conclude that transmission at a synapse is different from…

A: The communication between one neuron and the next differs from the communication along a single…

Q: Different cell-types can use the same receptor-type to detect a common hormone, which leads to the…

A: Hormones are small molecules that act as chemical messengers in the body. A small amount of hormone…

Q: Based on the information scientists and doctors have been able to collect, compare embryonic stem…

A: Embryonic stem cells are derived from preimplantation embryos (inner cell mass) and iPSCs are…

Q: In negative feedback,a. a change causes responses that counteract the change.b. a response to a…

A: BASIC INFORMATION  IMMUNE SYSTEM  It defends our body from the foreign particles which can cause…

Q: If we inserted a probe into your POA/AH and heated it, what would happen?A. You would sweat.B. You…

A: The correct answer is (a) You would sweat

Q: Choose one Group of answer choices:  A. Endogones pyrogens inducing fever B. None of the above C.…

A: Negative feedback loops are characterized by their ability to either increase or decrease a…

Q: High levels of caffeine are known to make people "jittery" or have shakey movements. Tests of people…

A: Coffee is one of the most consumed beverages across the world. One cup of coffee in the morning and…

Q: A self-amplifying chain of physiologicalevents is calleda. positive feedback.b. negative feedback.c.…

A: A self-amplifying chain of physiological events is called:

Q: What happens to the membrane potential of a neuron when an action potential is stimulated?   A.…

A: The generation of action potential occurs muscle and neural cells in case of a sudden variation in…

Q: Which of the following evolutionary adaptations would result in an increase in the speed of…

A: "The nervous system" of all animals is made up of unique cells known as neurons, which serve as the…

Q: A nurse enters the room of a patient with cancer. The patientis crying and states, “I feel so…

A: Therapeutic communication It mainly focuses on improving the physical and emotional wellbeing of…

Q: What happens to the sodium when the sodium channels open?

A: Sodium channels are basic film proteins that structure particle channels, directing sodium…

Q: Which one of the following is an example to positive feedback occurring in physiological system that…

A: Feedback is the information obtained about a reaction to a product. This would allow the alteration…

Q: Irregular hormone production

A: Human Brain: It is a complex and highly organized organ which controls various functions and…

Q: Studies of the infant brain show signs of what scientists call synaptic pruning. What occurs during…

A: One of the most important and complex organs in the human body is the brain. Made up of billions of…

Q: Select the CORRECT statement: Selected a Electrical excitability (the ability to generate action…

A: The question is about identifying the correct option. There are three main statements regarding the…

Q: Which statement below best describes whether or not there is an advantage of using iPSCs to induce…

A: nduced pluripotent stem cells ( iPSCs) are those pluripotent stem cells that can be generated…

Q: Which part of a neuron transmits an electrical signal to a target cell? Choose one answer.   a.…

A: The nervous system is made up of billions of electrically excitable, building blocks called neurons.…

Q: a positive-feedback system is one in which a. a variable is charged in the opposite direction to…

A: Feedback happens when the final result in a pathway or process directs the action of the cycle that…

Q: Part i) Label & describe what is happening at each letter in the following process. Part ii) List…

A: The living organisms try to maintain a constant level of different variables in their body that…

Q: According to Sherrington, why do the extensor muscles of a leg relax when the flexor muscles…

A: Muscles are the organs of the muscular system and it can be classified into three types based on…

Q: Which of the following statements about the functional divisions of the nervous system is false?a.…

A: Nervous system is an important system which helps in maintaining the homeostasis of the human body.…

Q: What does the liver do for the cardiovascular system? a. The liver makes antithrombin to inactivate…

A: One of the largest and most important organs in your body is liver  and performs more than 300…

Q: A nurse is teaching a patient a relaxation technique. Whichstatement demonstrates the need for more…

A: Patient education is the process where the health care provider provides the necessary knowledge to…

Q: Which part of a neuron transmits an electrical signal toa target cell?a. dendritesb. somac. cell…

A: The nerve cell is also called a neuron, the main part of the neural system. The millions and…

Q: Which of these is a likely conclusion about the role of genetics in schizophrenia?A. An aberrant…

A: Schizophrenia is a mental disorder wherein the affected individual is unable to interpret reality…

Q: In response to an acute decrease in MAP, baroreceptor mediated signaling will have what effect on…

A: Baroreceptors respond to mechanical stimuli. They transmit sensory information about the blood…