How would the firing of an OFF-center ganglion cell change if a small spot of light moved from the center of the receptive field into the surround?

The auditory frequency tuning curve of an auditory nerve fiber has a very different shape from the visual orientation tuning curve of V1 layer 2/3 cells. Which one of the following statements regarding the auditory nerve fiber tuning curve is true:

Which structure is not part of the external ear?

Some layer 2/3 auditory cortical neurons in mice respond best to scratching sounds rather than pure tunes or other complex sounds.

Vestibular ocular reflex allows us to maintain a fixed gaze while turning our heads. Which of the following is true when you maintain a fixed gaze while turning your head horizontally to the right?

Vestibular hair cells share which of the following characteristics with auditory hair cells?

OPTIONAL Extra Credit (10 points possible) 1 point per answer up to 10 possible points The path is as follows:   Oxygen-____A____ blood travels from the _________B___________ and ________C_________ toward the heart.   The blood continues to the_____D___________.   Oxygen-___E____ blood travels through the ______F_______to the ______G_____.   Oxygen-__H_____blood travels through the ___________I____________ into the ________J__________.   Oxygen-____K__blood enters the __________L____ circuit and travels through the _________M_________.   The blood continues through the _____N___________ to the _________O_______.   Oxygen-___P____ blood travels via the _________Q________ toward the heart.   The blood continues into the _____R________.   Oxygen-___S____ blood travels through the ______T___________ to the ____________U_________.   Oxygen-__V_____ blood travels through the _______W_____________ to the _____X_________.   Oxygen-____Y___ blood travels from the ________Z______ away from the heart.

When blood pressure falls below normal, the condition referred to as results.

Match each of the following disorders associated with the respiratory system with its description.

A nurse is assessing a 4-month-old infant brought to the clinic for a well-baby checkup. The parent mentions the infant has been “fussy and having fewer wet diapers” over the last 24 hours.  Which findings would the nurse recognize as clinical manifestations of dehydration specifically in an infant? Select all that apply.