13) When my Tigh or Flight" system is activated what happens to the body? A) Increased Salivation B) Elevated Heart Rate C) Vascular Dilation D) All of the above

Question 4 a) Explain the importance of reducing exposure dose and time to a patient undergoing a diagnostic X-ray examination. Describe ways to achieve this. b) Calculate the wavelength of the most energetic X-rays produced by tube operating at pd of [1.4]

Questions 8 and 9 only !

Question 3 Describe the production of X-rays by a rotating anode tube. Explain the advantages of using a rotating anode compared to a fixed anode. [1.3]

QUESTION 19 The inner ear is often described as a bony as it is composed of a series of canals embedded within the temporal bone O labyrinth O entanglement O coil

QUESTION 12 Which of the following are units for wavenumber in IR spectroscopy? Cm 1 cm O Js1 O mm O J-s

Question 39 The conformational change of retinal, from the cis to trans configuration, indirectly: Hyperpolarizes the photoreceptor by closing Na+ channels. Hyperpolarizes the photoreceptor by opening Na+ channels. Depolarizes the photoreceptor by opening Na+ channels. Depolarizes the photoreceptor by closing Na+ channels. Question 40 If a skeletal muscle is no longer able to make enough ATP, then: O There will be low levels of acetylcholine at the motor endplate.

QUESTION 20 When a neuron is at rest, a normal stimulus can start an action potential. When the same neuron is in the relative refractory period, a stimulus has to be stronger than normal to start an action potential. Explain this difference. -10. (DG F10 Mad

How Chemistry Affects Our Lives

Question 67  What is an appropriate opioid analgesic for severe pain? Question 67 options: Ketorolac (Toradol) Hydromorphone (Dilaudid) Codeine Acetylsalicylic Acid