## Which is NOT a association of brain structures and functions? Select one: a. midbrain—reflex centers for visual, auditory, and tactile responses b. cerebellum—coordinates smooth and coordinated motions c. cerebrum—higher thought processes including learning, memory, and speech d. pons—regulates breathing rate e. thalamus—regulates heartbeat and blood pressure

Info@checkyourstudy.com : thalamus—regulates heartbeat and blood pressure

## What would the pressure in kN/m2 be if the equivalent head is measured as 400mm of (a) mercury (sp gr 13.6) (b) water (c) oil specific weight 7.9 kN/m3 (d) a liquid of density 520 kg/m3?

## Problem 1xc) Stirling Expansion Stroke During the isothermal expansion stroke of the idealized Stirling cycle shown, the right hand piston remains fixed as the left hand piston travels downward. Problem 2xc The steam accumulator shown is used to maintain a ready source of new steam at 300°C. A piston of 63.6 metric tonnes maintains the required pressure, and the top of the cylinder is open to the atmosphere. 1 metric tonne = 1,000 kg The initial cold condition is shown at right. Heat is added to achieve the required end conditions The chamber contains no air. Find the temperature and steam quality when the piston begins to move Find the work done during the process and the final height of the piston at the desired condition of 300°C.

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## A gas is initially inside an insulated vessel at a volume V1, a temperature T1, and a pressure P1. The gas then expands adiabatically to a volume V2. Which statement best describes what oc- curs?

## Activation of this hormone increases blood pressure by causing the blood vessels to constrict and the kidneys to retain more water. Question 5 options: neuropeptide Y adrenocorticotropic hormone hypothalamic-pituitary-adrenal axis antidiuretic hormone

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## MAE 384. Advanced Mathematical Methods for Engineers. The army is interested in characterizing the acoustic signature of a helicopter. The following data show measurements of acoustic pressure (made dimensionless) for a two-bladed helicopter rotor through 1 2 of a rotor revolution. The data points are equally spaced in time, and the period of the data collection is 1 6 of a second. p0 = [ 0 0.0004 0.0015 0.0028 0.0040 0.0048 0.0057 0.0071 0.0095 0.0134 . . . 0.0185 0.0242 0.0302 0.0364 0.0447 0.0577 0.0776 0.0955 0.0907 -0.0477 . . . -0.0812 -0.0563 -0.0329 -0.0127 0.0032 0.0147 0.0221 0.0256 0.0255 0.0222 . . . 0.0170 0.0112 0.0064 0.0035 0.0023 0.0020 0.0019 0.0016 0.0009 0.0002 ] (a) Find the real Discrete Fourier Transform for this data set. That is, nd the Fourier coe¢ cients (the Aks and Bks). (b) Any term in the Fourier series can be written: Ak cos(k!t) + Bk sin(k!t) = Ck cos(k!t + k) where Ck = q A2 k + B2 k and k = tan?1 ?Bk Ak Find the Cks and plot their amplitude vs. k to illustrate the relative size of each term in the series. (The amplitude should drop of with increasing k.) (c) Plot the function (Fourier series) and the original data on the same plot. (d) The actual loudness of the helicopter depends on the maximum peak-to-peak amplitude of the signal. Find the peak-to-peak amplitude by nding the maximum and minimum values of p0 as predicted by the Fourier series solution. Recall that a function has a maximum or a minimum when its derivative equals zero. (e) Extra Credit. Try nding Aks and Bks for k > N 2 (where N = the number of data points). Show that the resulting series does not represent the data.

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## Why does the surface of the lungs need to be covered with pleura? Select one: to allow the exchange of oxygen within the alveoli to allow the exchange of carbon dioxide within the alveoli to produce the muscular contractions that expand the lungs to enable the lungs to slide past the internal chest wall and diaphragm to prevent the alveoli from collapsing due to pressure

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