Physioex exercise - Study guides, Class notes & Summaries

Physioex Exercise 3 Activity 1 correctly answered 2023 already passedA negative membrane potential was recorded when the tip of the microelectrode was - correct answer both inside the cell body and inside the axon which of the following caused a change in membrane potential from -70 to -40 in the cell body - correct answer an increase in extracellular K+ Which of the following has the most negative voltage - correct answer between the inside of the axon and the outside of the axon with con...

Physioex Exercise 3 Activity 1 |Complete Solutions Graded A+ A negative membrane potential was recorded when the tip of the microelectrode was both inside the cell body and inside the axon which of the following caused a change in membrane potential from -70 to -40 in the cell body an increase in extracellular K+ Which of the following has the most negative voltage between the inside of the axon and the outside of the axon with control K+ ECF Explain why increasing extracellular K+ reduc...

PhysioEx Exercise 3 Test Answers When the stimulus intensity increases, _______. the number of action potentials increases In this activity, which of the following will increase the stimulus intensity? increasing the duration of the stimulus At threshold, axons will _______. Likely generate an action potential if refractory periods have elapsed. Longer stimuli will allow for _______. more action potentials to occur, the absolute refractory period to finish and the relative refractory per...

Physioex Exercise 3 > Activity 1: Overview And Pre-Lab Quiz For The Resting Membrane Potential Which of the following statements about receptor potentials is FALSE? - They can trigger an action potential. - Odor molecules can act as stimuli - The receptor proteins respond to stimuli - The receptor potential is carried by neuroglia last one Which of the following is NOT a functional region of a neuron? - receiving region - conducting region - secretory region - medullary region las...

Which structures form the filtration membrane in the nephron? - glomerulus and the glomerular capsule Which of the following resulted in an increase in glomerular filtration rate? - decreasing the efferent arteriole diameter and increasing the afferent arteriole diameter Which of the following resulted in a decrease in glomerular capillary pressure? - increasing the efferent arteriole diameter and decreasing the afferent arteriole diameter What is the normal range for glomerular filtration...

PhysioEx Exercise 4 Act 3 correctly answered rated A+ already passedFollicle-stimulating hormone (FSH) - correct answer stimulates ovarian follicle development. Estrogen - correct answer is produced by developing ovarian follicles. Calcitonin - correct answer works against the development of osteoporosis. Which of the following statements is true? - correct answer The ovaries stop secreting estrogen after menopause. Saline injections were used in this experiment to measure the effect...

Oxygen is attached to _______. - an iron atom located on the heme portion of hemoglobin The oxygen-carrying capacity of the blood is evaluated using _______. - hematocrit measurements and hemoglobin measurements Release of which of the following hormones results in higher levels of erythrocytes? - testosterone and erythropoietin Which type of anemia is a genetic disorder resulting in abnormally shaped erythrocytes? - sickle cell anemia Which of the following had the fastest sedimentation ...

Physioex Exercise 6: cardiovascular questions and answers rated A+ 2024/2025

Which of the following describes the effect of boiling and freezing? - Boiling denatured the enzyme, but freezing had no effect. What does a strong IKI result indicate? - Substrate is present. The presence of reducing sugars _______. - is detected using Benedict's reagent Which tubes demonstrated amylase activity with a small amount of reducing sugar produced? - tubes 7 and 8 Enzymes are _______. - made of protein and are catalysts

PCB 2099L Lab 10 (PhysioEx exercise 8: Activity 1-4)