Question

for each, what is the right answer?

B) iris 19. The Nernst Equation predicts that the equilibrium potential for an ion is proportional to where "in" means "inside the cell" and "out" means "outside the cell" (pick the answer that most closely matches the Nemst equation). A) log ([ion in x [ionout) B) bg ([on]out [onlin) C) log (ionin) D) bg (ion)in Vlog ([ion)out) E) log (ion)in) x log (ionout) 20. The eustachian tube connects the and the A) middle ear cavity / pharynx B) tympanum/ auricle C) cochlear duct / oval window D) outer ear / middle ear cavity E) middle ear cavity / inner ear cavity 21. Exocytosis of neurotransmitter into the synaptic cleft is triggered by an influx of __in response to the arrival of an action potential in the axon terminal. A) CH B) Nat C) Ca2+ D) ATP E) K+ 22. The is one of the melanized (pigmented) structures of the eyeball. A) lens C) blind spot D) sclera E) retina 23. Some hormones are transported in plasma bound to proteins. These proteins function to: A) reduce the rate at which the hormone reaches its target cell receptors. B) raise the concentration of the hormone in the plasma. C) reduce its clearance rate from plasma. D) All of the above are correct. E) None of the above are correct. 24. The value - 70 mV corresponds to the: (MARK ALL THAT APPLY) A) magnitude of a single IPSP in a typical neuron. B) resting membrane potential of a typical neuron. C) equilibrium potential for Clin a typical neuron. D) equilibrium potential for K+ in a typical neuron. E) equilibrium potential for Nat in a typical neuron. 25. T F True (A) or False (B): The greater the magnitude of the receptor potential generated by a stimulus, the greater the amplitude of the action potentials the receptor potential induces 26. True (A) or false (B)? In general, the function of the sympathetic nervous system is to help the body maintain homeostasis and promotes bodily growth 27. Which of the following stimuli is/are capable of stimulating our sense of nociception? A) pressure B) tenperature changes C) tissue damage D) chemical exposure E) All of the above are correct. 28. Which of the following hormones is very water-soluble? A) Triiodothyronine B) Cortisol C) Progesterone D) Aldosterone E) Epinephrine 29. T F True (A) or False (B): "Sensation" is sensory information that reaches the brain.

Answer 1

19. The Nernst Equation predicts that the equilibrium potential for an ionis proportional to

(B) Log(ion_out/ion_in)

20. The eustachian tube connects the

(A) Middle ear cavity and the pharynx

21. Exocytosis of neurotransmitter into the synaptic cleft is triggered by an influx of (C) Ca²⁺ in response to the arrival of an action potential in the axon terminal.

22. (B) Iris is one of the melanised structures of the eyeball.

24. The value of -70mV corresponds to the

(B) Resting membrane potential of a typical neuron

25. (A) True

26. (A) True

27. (E) All of the above are correct

28. (E) Epinephrine hormone is a very water soluble hormone.

29. (A) False