Biol 235 Midterm 2 Study Guide Rated A+

How many cranial mixed nerves are there? {Ans: 4}after an injury to a process of a normal peripheral neuron the nissel bodies break down into fine granular masses, what is this called? {Ans: chromatolysis}What neuroglia are small cells with slender processes that give them a spine like projections as well as act as phagocytes? {Ans: Microglial Cells}These let us see in dim light {Ans: Rods}What is a group of skeletal muscles, their blood vessels, and nerves called? {Ans: Compartment}What are the first-order neurons in the olfactory pathway? {Ans: olfactory receptor cells}What pressure is produced mainly by the aqueous humor and partly by the vitreous body ? {Ans: intraocular pressure}Olfactory cilia extend from the dendrites and are sites of ________________________________ {Ans: olfactory transduction}____________ controls the secretion and other activities of the thyroid gland {Ans: Thyroid-stimulating hormone (TSH)}What do all of these factors contribute to? 1. unequal distribution of ions in the ECF and cytosol 2. inability of most anions to leave the cells 3. electrogenic nature of the sodium potassium ATPases {Ans: Resting membrane potential}______________ produce PTH {Ans: chief cells (principal cells)}Hyperpolarized cells are _______ negative inside ? {Ans: