Which of the following situations increases the number of action potentials to the supraoptic region of the hypothalamus? Select one: a. Decreased renin production b. Increased plasma osmolality c. Increased blood velocity d. Decreased aldosterone secretion e. Decreased plasma osmolality

Q: Mark the following statements as true or false. If a statement is false, correct it to make a true…

A: The electric impulse is conducted through the mechanism of the sodium potassium pump. In resting…

Q: Which of the following is the most important contributor to the difference between the resting…

A: A membrane's voltage varies rapidly in a series known as action potentials.

Q: Katrina has an aldosterone imbalance. What does Catrinas hormone feedback loop look like? When…

A: Introduction :-

Q: Vasopressin or antidiuretic hormone (ADH) is a peptide hormone synthesize nypothalamus. This…

A: Cyclic AMP is a cyclic nucleotide that is chemically known as 3'5'adenosine phosphate. It is…

Q: Explain the role of PTH in regulating extracellular Ca2+ concentration.

A: There are four parathyroid glands in each of the thyroid lobes. Parathyroid hormone, commonly known…

Q: In certain diseases, such as kidney failure, the Na+ concentration in thebody’s extracellular fluid…

A: Kidneys are vital for maintaining the balance of nutrients and minerals in the blood plasma. Renal…

Q: Why do elevations of K in the blood have serious physiological consequences despite the blood-brain…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Reorder the items below to correctly label each number in the diagram. 3 4 Membrane Potential (mV)…

A: Plasma membranes are peppered with a variety of ion channels made up of membrane proteins. Some of…

Q: Which factors determine the resting membrane potential? Explain why the resting membrane potential…

A: An action potential is a phenomena that happens when the voltage of a membrane rapidly increases and…

Q: Which of the following rows describes the change in adrenal secretion, blood flow to skin, and blood…

A: Sympathetic nervous system is a part of the autonomous nervous and is basically involved in the…

Q: After acetylcholinesterase (AChE) acts, the presynaptic neuron: a. reabsorbs acetylcholine. b.…

A: The supreme neurotransmitter of the parasympathetic nervous system is Acetylcholine , also  works at…

Q: Sarin gas is an inhibitor of acetylcholinesterase used in chemical warfare. Briefly (in 1 sentence…

A: Sarin is a chemical gas that is made by humans. In the 1930s (1937 in Germany) it was used in…

Q: What effect does an increase in antidiuretic hormone (ADH) have on the volume of extracellular fluid…

A: Antidiuretic hormone: -  This hormone is released in the posterior pituitary gland and formed by…

Q: Which of the following best chracterizes a primary hyperaldosteronemic state? Answers to choose: A…

A: Introduction:-  Primary hyperaldosteronism is excess aldosterone levels. This is a problem in the…

Q: For each of the following indicate either: somatomotor, sympathetic, or parasympathetic A. ACh is…

A: The parasympathetic nervous system is one of the two main branches of the autonomic nervous system,…

Q: State T/F The neurohypophysis is directly controlled by the hypothalamus. The hypothalamus…

A: Hypothalamus is smart control center present in our body. It's main role is to maintain hemostasis…

Q: Define the following terms:a. synaptic vesiclesb. thioredoxinc. orotic aciduriad. anti-adenosinee.…

A: Molecular biology is the field of biology that studies the composition, structure, and interactions…

Q: Using the below diagram, label each part along with its function. Also identify where ADH acts?

A: The nephrons are the kidney's "useful units," which balance/equilibrate the circulation's components…

Q: Benzodiazepines bind to GABAa receptors and increase the effects of GABA. Which effect would you…

A: Gamma-aminobutyric acid or GABA is the inhibitory neurotransmitter of central nervous system. It…

Q: Explain the feedback mechanism of the action of ADH. Copyright © McGraw-Hill Education. Permission…

A: The urinary system is used to eliminate the waste substances from the body. A pair of kidneys, two…

Q: Which of the following intracellular potentials would have the greatest electrical attraction for…

A: Cell Membrane potential is a potential slope that forces ion particles to move in one side. positive…

Q: Select ALL statements that are TRUE regarding a drug that would inactivate the enzyme…

A: A drug that inactivates the enzyme called acetylcholinesterase is known as Acetylcholinesterase…

Q: f a patient was experiencing difficulty controlling their movement and displaying motor tremors and…

A: The nervous system can be described as an organ system associated with the flow of information from…

Q: Which branch of the peripheral nervous system is though to underlie the body's "rest and digest"…

A: The autonomic nervous system (ANS) controls the body's unconsciously regulated functions, including…

Q: If we surgically innervated the SA node with lower motor neurons and stimulated the lower motor…

A: The SA (sinoatrial) node is considered the pacemaker of the heart, as it initiates an action…

Q: During strenuous exercise, which of the following changes most influences total peripheral…

A: The strenuous exercise is the activities which involves the utilisation of high energy. The total…

Q: Answers A-D A Current from neighboring regions can trigger a second action potential in phase 2 B…

A: Introduction  A transient voltage change (membrane potential) across the cell membrane of heart…

Q: Hyperpolarization is defined as an increase in membrane potential toward zero.

A: Hyperpolarization occurs when the membrane potential becomes more negative at a particular spot on…

Q: In the introduction section the authors wrote “In general, the polarity-dependent mechanisms are…

A: Anodal stimulation is a type of electrical stimulation that involves passing a positive electric…

Q: High Potassium can cause the symptoms seen in hyperkalemia. What about low potassium, known as…

A: Hypokalemia is a condition characterized by decreased levels of potassium ions in blood. The normal…

Q: Which of the following situations increases the number of action potentials to the supraoptic region…

A: The objective of the question is to identify the situation that would increase the number of action…

Q: Which of the following is a method to lower blood pressure and ECF sodium concentration? A.…

A: The substances secreted by the atrium of the heart that acts as a vasodilator and maintains the…

Q: What type of transport mechanism is demonstrated by Na+ movement through the open voltage-gated Na+…

A: Voltage-gated sodium channels are one kind of integral protein, mainly they are transmembrane…

Q: Which of the following in not involved with stimulation of the hypothalamic thirst center?  a.…

A: Ans. Water intake and thirst are controlled by the hypothalamic thirst centre. Changes in the body's…

Q: Which type of adrenergic receptors would promote glycolysis in response to epinephrine/ adrenaline…

A: Beta-adrenergic receptors specifically the Beta-2 adrenergic receptors promote glycolysis in…

Q: In an emergency situation, fluids are given intravenously to a patient. The fluids increase the…

A: Hormones are chemical messengers produced by different glands of the body. Hormones are secreted…

Q: Calcium is highly regulated molecule in cells due to its importance in cell signaling. A. Briefly…

A: The process through which muscle fibers produce tension and exert force is known as muscular…

Q: A 20 year old female presents to your emergency service with severe head trauma from a fall. An MRI……

A: Brain is the central organ of the body, which is responsible for co-ordinating thoughts, emotions,…

Q: Hyponatremia is a dangerous condition that arises when your body's sodium concentration drops to…

A: Hyponatremia is a medical condition characterized by low levels of sodium in the blood. Sodium is an…

Q: factors responsible for a negative resting membrane potential include: check all that apply:   a.…

A: We can say that The negative resting membrane potential of a cell is the membrane potential that is…

Q: True or False for each of the following: A. a neuronal synapse, facilitation of a post -synaptic…

A: *Synaptic facilitation is primarily caused by changes in pre-synaptic calcium. *Increases or…

Q: Fill in the blank :- The depolarization phase of action poten:-tials in neurons is due primarily…

A: Over long distance neurons can communicate with each other by generating and sending electricals…

Q: Which of the following would occur as a result of increased renin release by the kidneys? Select…

A: The question is asking about the physiological effects of increased renin release by the kidneys.…

Q: Which of these do you suspect will not lead to an increase in ADH secretion from the posterior…

A: ADH or antidiuretic hormone is released from the posterior pituitary gland. It is responsible for…

Q: Which of the following statements about the Na * and K* gradients in neurons is NOT true? a. In a…

A: Neurons are cells that form the nervous system of complex animals. Signals are transmitted across…

Q: What happens when excess secretion of ADH occurs? State two causes of this.

A: ADH, commonly referred to as vasopressin is a peptide hormone secreted by the neurohypophysis of the…

Q: Imagine that you are hiking in the mountains one afternoon with friends. As you turn a corner, you…

A: a. The specific division of the nervous system that is responsible for the body's response to this…

Q: If norepinephrine is administered for the management of hypotension, it will cause all of the…

A: Blood pressure is the pressure exerted by blood on the walls of the blood vessel. The pressure is…

Q: Extracellular recordings create a distinct action potential. Choose the option that best describes…

A: Action potential is a kind of impulse that arises due to the stimulation of the neuron. It consists…