QUESTION 7 Stretch receptors in the heart above the heart that monitor blood pressure would be considered. A. Receptor or sensor OB. Control center OC. Effector OD. Processing center
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- QUESTION 49 Three Types of Muscle Which of the following is an accurate description of smooth muscle? a. It is under voluntary control. b. It controls movement of limbs and joints. c. It controls itself, with some fine-tuning by the nervous and endocrine systems. d. It is found in hollow internal organs.QUESTION 54 Increased vibrations/movements of the tympanic membrane will result in increased vibrations/movement a. of the oval window Ob. of the round window O c. of certain areas of the basilar membrane d. all of the above O e. none of the above; only the tympanic membrane is flexible enough to vibrate QUESTION 55 John Money's "Theory of Gender Neutrality" a. has failed to be demonstrated, indicating that sex hormones (testosterone or estradiol) have organiza b. showed that baby boys whose penis was removed from a circumcision accident can easily have their gender identity issues. O c. showed that baby girls that are raised as boys will revert to being a girl/woman after puberty is reacherQUESTION 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 1 Receptors for neurotransmitters are found in/on: postsynaptic cells presynaptic cells QUESTION 2 Compared to chloride ions, impermeant organic anions are more concentrated outside inside QUESTION 3 Hyperpolarizing graded potentials: are excitatory and bring the membrane potential closer to threshold bring the membrane potential closer to threshold are excitatory none of the other answers QUESTION 4 Neurotransmitters produce their effects more slowly O quickly compared to hormones. a neuronQUESTION 61 Narcolepsy is a disabling sleep disorder of unknown etiology. Which statement(s) about the disease are FALSE? A. Early studies into the genetic and neurochemical causes of narcolepsy were perfomed in Doberman pinschers. B. Narcolepsy can be triggered by strong emotions or arousal. C. Individuals affected by narcolepsy have low levels of the neuropeptide orexin and/or low levels of orexin receptors. D. Patients with narcolepsy are treated with GABA agonists (such as Modafinil) to prevent cataplexy E. All of the above statements are actually correct F. Both A and B are falseQUESTION 43 Substrate B is NEURON X Axon terminal of a cholinergic neuron Substrate A Synthesis and packaging into a vesicle Neurotransmitter break Substrate B down by Enzyme D Process F 3 Protein E Substrate B transport into the axon terminal Reçeptor C Substrate B is recycled to produce neurotransmitter Acetate Enzyme D NEURON Y acetylcholinesterase choline tyrosine O acetyl coenzyme A
- QUESTION 6 Assume that for a certain biploar cell in the retina, glutamate opens potassium ion channels. In the light, this bipolar cell will: hyperpolarize not hyperpolarize QUESTION 7 In chemoreceptors, ligand-gated ion channels that detect the chemical stimuli are also: O ionotropic receptors metabotropic receptors QUESTION 8 Using the root "sarco", type in the specialized term for the muscle cell cytoplasm. QUESTION 9 Compared to weak sensory stimuli, strong sensory stimuli produce action potentials that are: stronger, but nore more frequent more frequent, but not stronger O more frequent and stronger neither stronger nor more frequentQUESTION 10 The sarcoplasmic reticulum stores ions of: chloride calcium sodium O potassium QUESTION 11 Sensory transduction occurs in: afferent neurons (that are not also sensory cells) sensory receptor cells the cerebrum efferent neurons (that are not also sensory cells) QUESTION 12 The sensory receptors in the cochlea of the inner ear are: mechanoreceptors chemoreceptors O photoreceptors QUESTION 13 The neurotransmitter at the neuromuscular junction is: acetylcholine calcium epinephrine norepinephrine O OQUESTION 11 As your body becomes cold cells in your skin determine the change and send a signal to the hypothalamus in your brain. The hypothalamus then sends a signal to your muscles to induce shivering and blood vessels near the skin to vasoconstrict. The cells in your skin are the: Sensors/Receptors Control Center Effectors O Inhibitors
- QUESTION 17 The organ of the inner ear that functions to transmit sound waves to nerve pulses is Semicircular canals O Vestibule O Ossicles CochleaA Moving to another question will save this response. Question 52 There are structurally, 3 types of neuronal cells (neurons). Which is NOT one of the 3? O A. Glia O B. multipolar cells O C. bipolar cells O D.unipolar cells A Moving to another question will save this response. esc Search or ty' 21 3. WQUESTION 12 Refer to the figure. Cll membranes Intercellular- space Hydrophillc - channel Molecules - pass between cells Connexins (channel proteins) The type of cell junction shown is necessary where Oa animal cells require a tight structure. O b. animal cells conduct electrical activity, as in the heart. Oe skeletal muscle cells require rapid reflexes. Od. epithelial cells lining animal body caties require structures to prevent contents of the cavities from leaking into the intercellular space Oe skin cells required structures to withstand physical stresses.