Gradient - Study guides, Class notes & Summaries

SHARP EKG Exam Questions And Answers What are the two basic kinds of cardiac cells? - ANS 1. myocardial muscle cells 2. myocardial pacemaker cells What are the 4 primary cell characteristics? - ANS 1. Automaticity 2. Excitability 3. Conductivity 4. Contractility What are the two major ions that affect cardiac function? - ANS 1. sodium 2. potassium What are the primary ions inside the cell? - ANS Potassium What are the primary ions outside the cell? - ANS Sodium D...

Describe the chemical composition of biological membranes? Biological membranes are bilayers of phospholipids with associated proteins and carbohydrates. What can never be energetically favorable in a biological membrane and therefore will not occur spontaneously? the flip-flop of phospholipids to the opposite leaflet Let's suppose an insect, which doesn't maintain a constant body temperature, was exposed to a shift in temperature from 60°F to 80°F. Which of the following types of membrane...

Which of the following is true concerning passive transport and active transport: - passive transport transfers molecules down an electrochemical gradient while active transport transfers molecules against an electrochemical gradient In a polarized cell, a barrier is created by a specific type of intercellular junction that maintains the separation of membrane proteins and between the apical and the basal sides of the cell. This barrier is called a: - tight junction What secondary structur...

Afferent - Signal to the brain, input Efferent - motor, output sensory receptors - receptors of the nervous system Control center of CNS - Brain Effectors of nervous system - muscles and glands transduction - How sensory information is received What is the CNS composed of? - brain and spinal cord What is the PNS composed of? - cranial nerves III-XII, Spinal nerves, ganglia, enteric plexuses, sensory receptors ganglion - collection of nerve cell bodies in the peripheral ne...

ARRT MRI EXAM STUDY GUIDE ACTUAL EXAM PRACTICE QUESTIONS 90+ QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A / 2025. If a brain exam is being performed and the request is made to rule out acoustic neuroma, a protocol with thin cuts through the _________ should be performed. Inner auditory canals The _____________ imaging plane would be the most optimal slice orientation for evaluation of Arnold Chiari Malformation and its inferior cerebellar tonsillar herniation. sagittal ...

2 © OCR 2023 Section A You should spend a maximum of 25 minutes on this section. Write your answer to each question in the box provided. 1 What is a typical value, in cm, for the wavelength of microwave radiation? A 0.0003 B 0.03 C 3 D 300 Your answer [1] 2 The diagrams show four systems of forces with three forces acting at a single point. The forces are in the same plane. The diagrams are drawn to scale. Which system could be in equilibrium? A B C D Your answer [1] 3 © O...

BIO 669 Quiz 2 Latest; (2024/2025) Questions and Answers 100% Correct.(33 Q & A) 1. When both Na+ and K+ are permeable at the same time (as in opening ion channels at the neuromuscular junction allowing both to cross), what will happen to the membrane potential? 1. Graded potentials are all of the following EXCEPT: 2. Movement of potassium down its electrochemical gradient will result in what effect on membrane potential? 3. The reticular formation is responsible for: 4. Damage to...

Test Bank for Cardiopulmonary Anatomy and Physiology Essentials of Respiratory Care 7th Edition by Des Jardins Chapter 2 Ventilation MULTIPLE CHOICE 1. What instrument is used to measure P atm ? a. dynameter c. barometer b. altimeter d. hygrometer ANS: C Feedback A B C D A barometer is used to measure barometric (P B A barometer is used to measure barometric (P B A barometer is used to measure barometric (P B A barometer is used to measure barometric (P B ) or atmospheric (...

Anatomy and physiology Mcgraw Hill Exam 1 Questions & Answers 2024 What type of bond attracts one water molecule to another? - ANSWER-A Hydrogen Bond When a woman is giving birth, the head of the baby pushes against her cervix and stimulates the release of the hormone oxytocin. Oxytocin travels in the blood and stimulates the uterus to contract. Labor contractions become more and more intense until the baby is expelled. This is an example of __________. - ANSWER-Positive Feedback Whic...

A cell is taken out of the body and placed into a test solution. The concentration of solute X in the test solution is 100mM, and the concentration of solute X inside the cell is 200mM. The cell membrane is permeable to water but not solute X. Which of the following statements is/are true? a. There is a net flux of water out of the cell b. The test solution is hypertonic c. There is flux of water molecules into and out of the cell d. All of the above are true - c. There is flux of water mo...