QUESTION 6 At the neuromuscular junction, a neurotransmitter called open, allowing an influx of OA. Epinephrine; calcium OB. Acetylcholine; sodium OC. Acetylcholine; potassium OD. Epinephrine; sodium ions. 13 is released. When it binds to receptors on the muscle fiber, they

Q: QUESTION 10 Endurance training increase the number of: O slow fibers, which are fatigue-resistant O…

A: Muscle fibres can be defined as the muscle cells that are functionally accountable for controlling…

Q: Which is/are an electrical signal?

A: The nervous system includes the use of electrical signals for the transmission of impulses from…

Q: If FLECT- means bend, what word could best mean bend in a backwards direction? O quadriflect O…

A: The prefix is a word that is placed before a root word, thereby changing its meaning. The word…

Q: What special characteristics of the presynaptic neuron (motor neuron) and motor end-plate…

A: The neuromuscular junction (NMJ) is the site for chemical interaction between the motor neuron and…

Q: Which of these would affect an electrical synapse?

A: Synapses are gaps that separate the terminal buttons of one neuron from receptors of another neuron.…

Q: Which one below does not describe normal age-related changes in the skeletal system?     Loss of…

A: Every skeletal structure loses bone density after a certain age. Most cases happen to age-related…

Q: QUESTION 30 1. Fully aquatic mammals produce most of their force in swimming from axial muscles as…

A: Axial muscles are those muscles that support and move the head and spinal column and generates…

Q: UESTION 1 nge the three types of muscle from the one in which the calcium that causes contraction…

A: Sarcomere is the contractile unit of each muscle. The contractions in muscle cells are initiated by…

Q: na synapse: O The pre-synaptic cell is always a neuron The post-synaptic cell is always a neuron…

A: A presynaptic cell is a cell that produces action potential and transmutes it to the postsynaptic…

Q: Order the following in the correct sequence that reflexes are trasmitted through the nervous system…

A: In animals, there is highly specialized cell is present and is called neurons whose main function is…

Q: QUESTION 3 Some hormones bind to ion channels on neurons and cause them to open. This would be an…

A: Hormones chemical messenger present in the blood circulation. hormones are secreted by glands…

Q: Question 4 (1 point) The rising phase of the action potential is due to the: a. Entry of potassium…

A: The nerve impulses transfer from one neuron to another neuron in the nervous system. This leads to…

Q: If a skeletal muscle is no longer able to make enough ATP, then: There will be low levels of…

A: ATP is essential for muscle contraction. When ATP is lacking, it affects the cross-bridge cycling…

Q: Question 20 Which of the following is true of nerve impulse conduction? O Saltatory conduction…

A: Introduction: Your brain and the rest of your body communicate with each other via nerves, which act…

Q: Please help answer 9 & 10 And 19 & 20

A: The nervous system is a vital system that helps coordinate sensory information and motor activities…

Q: Which of the following is not a method for removing neurotransmitter from the synaptic cleft?

A: Neurotransmitters chemical stimulus that is transmitted from one neuron to the other until the…

Q: QUESTION 4 In the resting state: voltage-gated Na+ and K+ channels are both closed voltage gated Na+…

A: Voltage-gated ion channels:  a type of transmembrane proteins that results in formation of ion…

Q: QUESTION 13 Which radiotracer is used in a bone scan? OA Fluorine-18 fluorodeoxyglucose O B.…

A: The chemical compound in which replacement of one or more atoms occurs by a radionuclide is called…

Q: Which has a stronger/larger change in voltage? action potential O graded potential both graded and…

A: Neuron or nerve cells are cells that act as messengers, they are able to undergo  electrical…

Q: Question 29 Which of the following does NOT describe the autonomic nervous system? O It controls…

A: Nervous system is calssified in the following manner:

Q: the following are possible causes for peripheral neuropathy EXCEPT:     Medications     Vitamin…

A: Neuropathy- It is the result of damage or dysfunction of one or more nerves which causes the…

Q: Which of these is NOT a function of calcium in the body? O Muscle contraction O Blood clotting O…

A: The blood circulating through the body is responsible for the transport of oxygen and nutrients to…

Q: Question 9 of 16 Which of the following causes the merging of synaptic vesicles with the synaptic…

A: In this question synaptic transmission of impulse is shown. So synapse is a connecting point between…

Q: Question 41 Which of the following is true of Gap Junctions in cardiac mucsle. OA. Pairs of…

A: Gap junctions in the cardiovascular muscle are framed by connexins, which are a group of…

Q: QUESTION 21 Negative feedback O initiates compensatory, biological responses from sensory receptors…

A: Negative feedback is a self-regulatory system in which it reduces the output for stabilizing the…

Q: The part of a neuron that conducts impulses away from its cell body is called a(n. O neurolemma…

A: Neuron is present in the nervous system. It is responsible for transmitting the message from the…

Q: QUESTION 13 Which of the following are not criteria for a substance to be detined as a…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: The ventricle pumps blood to the systemic circuit, which sends blood to the Right, lungs Left, lungs…

A: The heart can be described as the organ having several critical roles in the living organism’s body.…

Q: Question 21 Which of the following correctly describes Summation ? O is the release of…

A: Summation means integrating or adding the impulses together. It may occur when several electrical…

Q: QUESTION 16 Which pathway is responsible for activating Protein Kinase A? Beta adrenergic receptor…

A: Protein kinase A or PKA is a family of enzyme tyrosine kinase. Its activity depends on the level of…

Q: Question 3 (1 point) An enables an action, while the ___ opposes and reverses it. --- agonist;…

A: Various mechanisms in the body facilities the action of other mechanisms or the biochemical…

Q: In order to trigger an action potential, a local potential must be above this when it reaches the…

A: Neurons are the basic unit of the nervous system that carry electrical stimuli throughout the body.…

Q: QUESTION 22 Excitotoxicity would be increased by which of the following O A. heightened activity of…

A: Excitotoxicity is a form of cell death caused by excessive stimulation of certain types of neurons.…

Q: Most meat consumed in the average human diet consists of skeletal muscle of animals such as chickens…

A: Muscle fibres, connective and adipose tissues, and other components make up skeletal muscle. The…

Q: QUESTION 7 Stretch receptors in the heart above the heart that monitor blood pressure would be…

A: The question is asking us to identify the role of stretch receptors in the heart that monitor blood…

Q: QUESTION 13 As your body becomes cold cells in your skin determine the change and send a signal to…

A: The objective of the question is to identify the role of muscles and blood vessels in the body's…

Q: HAIKG of the falling phase, the membrane potential is positive. This is because in the previous…

A: Falling phase- The closure of sodium channels and the stimulation of potassium channels causes the…

Q: Questions no 28 asap

A: We can say that The basic unit of muscle contraction present between two Z lines on the surface of…

Q: Cell bodies of are found in the Alpha motor neurons; ventral horn of the spinal cord Unipolar…

A: Neurons are the structural and functional unit of the nervous system. They are the cells that…

Q: Question 29 0.8 /4 points Which of the following types of ion channels are involved in propagating…

A: The primary ions affected in an action potential are sodium and potassium cations; sodium ions…

Q: QUESTION 4 What is the name of the change in Vm labeled B? +40 +20 Membrane potential difference…

A: Introduction: When 2 electrodes are placed on the surface of the cell and are connected by a…

Q: In a voltage clamp: O A. A constant current across the membrane is maintained in order to counter…

A: Difference of ionic potential is present across the membranes. This results in the flow of ions from…

Q: Leak ion channels Select the correct response: open in response to small voltage changes. open when…

A: Leaky channels are those which are not regulated by the potential change in the membrane, so, any…

Q: QUESTION 30 Which of the following is characteristic of the events at the inhibitory synapse? O…

A: The term inhibitory synapse is associated with particular sort of junction in which activation from…