QUESTION 12 As your body becomes cold cells in your skin determine the change and send a signal to the hypothalamus in your brain. The hypothalamus then sends a signal to your muscles to induce shivering and blood vessels near the skin to vasoconstrict. The hypothalamus is the: O Sensor Receptor Control center O Effector

Q: Question 17 A male patient is receiving heparin by continuous intravenous infusion. The nurse will…

A: Medicine now is radically different from what it has previously been in our history and culture. We…

Q: 12. List the three layers of the heart wall and their histological difference.thanks

A: We can say that The heart wall consists of cardiac muscle tissue, connective tissue, and…

Q: 14. View the images below and circle the image which shows the sarc tension – and WHY Explanation:

A: Each muscle fibre is composed of units called myofibrils that are consists of alternating dark(A)…

Q: QUESTION 5 The stimulus that usually triggers blood clotting is: O A drop in blood pressure…

A: The process of transformation of blood into gel like substance outside the blood vessels is known as…

Q: the work of a carrier O facilitated diffusion O an unsaturable process O a saturable process

A: Given : The picture represents..

Q: The SA node of the heart creates a pace that is faster than does not generate a pace O the same as O…

A: What is the SA node - The SA (sinoatrial) node, also known as the sinus node, represents a…

Q: In an ECG, the beginning of the P-wave corresponds to: The depolarization of the ventricles O The…

A: The human heart is a muscular pumping organ that is a 4 chambered structure. It is made of auricles…

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: Baroreceptors in the aortic arch normally fire:

A: Baroreceptors- sensors located in carotid sinus and in aortic arch. used in sensing blood pressure…

Q: What type of ion current could have produced the membrane potential in E? -40 -50 - -60- D E F -70-…

A: Membrane potential is defined as the electric potential difference across the membrane of a cell…

Q: Given these events, the correct sequence of the cardiac cycle is: i. Atrial diastole ii. Atrial…

A: The term systole is referred to as the time during which the left and right ventricles does…

Q: What is occurring during the repolarization phase of an action potential? O Voltage-gated…

A: Answer. All cells have an electrical potential difference, or membrane potential, across the plasma…

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: e to heart transplantation is: art

A: Heart transplantation heart transplant, or a cardiac transplant, is a surgical transplant procedure…

Q: QUESTION 19 Muscle contraction is inhibited when: The Ryanodine Receptor is open Inhibitory motor…

A: Muscle is a soft tissue and muscles cells are composed of protein actin and myosin.Muscle helps in…

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: Which of the following statements is not correct? +30! -F Membrane Potential (mV) H D. .B -70- A C…

A: The picture is showing the action potential curve. The action potential is generated on receiving…

Q: During ventricular fibrillation, heart has a hard time to pump blood. O True O False

A: Ventricular fibrillation is also known as arrhythmia, which is the state of abnormal heart rhythm.…

Q: OA. The myogenic response is an extrinsic mechanism that regulates blood flow in response to changes…

A: Myogenic response is the mechanism by which arteries and arteriole react with the increase or…

Q: When we are maximizing the amount of tension power in our muscles, it is said that that the guscle…

A: Muscle tension is the force produced due to the muscle contraction or sarcomere shortening. It is…

Q: QUESTION 4 Which of the following is part of the central nervous system? Neurons that transmit…

A: The nervous system comprises the brain, spinal cord and nerves. It transmits electrochemical signals…

Q: QUESTION 19 Many tissues have dual innervation of both the PNS and the SNS divisions of the…

A: The autonomic nervous system (ANS) is a part of the peripheral nervous system (PNS) that controls…

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 14 Excitation-contraction coupling refers to OA. The action potential of a neuron…

A: The objective of the question is to identify the correct definition of the term…

Q: that

A: Micturition reflex is a reflex activity via which urination occurs. The reflex is under voluntary…

Q: In Autorhythmic cells, Sympathetic control of heart rate leads to a(n)

A: Answer: Autorhythmic cells = These are the cells acts as pacemaker to initiate the cardiac cycle and…

Q: Question 37 The Sarcoplasmic Reticulum is: OA. The basic contractile unit in skeletal muscle O B.…

A: Sarcoplasmic reticulum It refers to a membrane-bound structure constituting a network of tubules…

Q: Question 13 Which of the following is the correct order of the first sketch of amyloid cascade of…

A: Oxidative stress triggers an overproduction of amyloid precursor protein (APP) and transcription of…

Q: QUESTION 6 At the neuromuscular junction, a neurotransmitter called open, allowing an influx of OA.…

A: The question is asking about the specific neurotransmitter and ion involved in the process of muscle…

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: QUESTION 5 A patient’s systolic blood pressure (BP) is plotted on the graph below. Measurements…

A: Step 1: Define both interpolation and extrapolation*Interpolation in terms of prediction is when a…

Q: QUESTION 10 Why are the effects of the sympathetic nervous system so much more long lasting than…

A: The sympathetic and parasympathetic nervous systems are part of the autonomic nervous system, which…

Q: The potential depicted in the figure was recorded from the of the heart. D 20 -20 -40 -60 TIME A…

A: The cells included in the sinoatrial (SA) node are considered the primary pacemaker site within the…

Q: Why do cardiac muscle fibers have a long re O To allow time for blood filling Refractory period is…

A: The heart is considered a muscular organ located front and middle of the chest region. It is made up…

Q: Adenylyl cyclase activity will increase in response to the binding of _ adenosine triphosphate…

A: The enzymes that is involved in the conversion of ATP to cyclic AMP (cAMP) and pyrophosphate is…

Q: ues with low metabolic activity, the direct diversion of blood from arterioles to veni e aortic arch…

A: The cardiovascular system is involved in the conduction of blood from the heart to the other parts…

Q: Question 34 The figure shows a graph of the plasma levels of a 'mystery hormone' (in ng/mL) for 50…

A: The graph in question illustrates the relationship between plasma levels of a mystery hormone (in…

Q: Long Answer Essay You are seeing a patient in your office with a primary complaint of excessive…

A: The most common causes of excessive daytime sleepiness are sleep deprivation, obstructive sleep…

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.…