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Special physio 2022 Retake, Exámenes de Señales y Sistemas

Universidad CEU Cardenal Herrera (CEU UCH)Señales y Sistemas
Prof. Javier Man

Special phsyio retake 2022, all questions some answered

Tipo: Exámenes

2022/2023

Subido el 09/06/2026

Lsa1122
Lsa1122 🇪🇸

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QUESTION 1
Which of the following is a characteristic of nociceptors.
A. Are made of A-beta fibers
B. Free nerve endings
C. Their neuronal body is located at dorsal horn
D. Low activation threshold
QUESTION 2
Regarding taste, which one of these options is right
A. Filiform papillae do not have taste buds
B. Vallate papille are located the lateral margins of the longue
C. Sweet flavor serves to detect toxic content in the food
D. Spicy is a primary flavor
QUESTION 3
Bill is really scared because a group of dogs is attacking him and bitting his leg. However…
climbing a tree. He is still scared but doesn't feel pain at the injuries of the legs. This is because
A. Raphe magnus nucleus hiperactivates by inhibiting PAG
B. PAG sends nerve signals to the nucleus Raphe magnus
C. enkephalins have been released in his ventral horn
D. PFC sends inhibitory signals to primary somatosensory cortex
QUESTION 5
Muscles fibers using oxidative metabolism to get ATP for contraction constitutes muscles
A. of whitish colot
B. able to contract very fast
C. that fatigue very fast
D. able to maintain contraction for a long time
QUESTION 6
Regarding bone remodelling
A. the osteoid is the mature bone
B. macrophages remove the debris before the resorption phase
C. PHT and calcitonin stimulate osteoclasts activity
D. osteoblasts and osteoclasts are stimulated by Vit D
QUESTION 6
Put in the right order the events that happened or will happen in the mouth of the person of the OPG
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QUESTION 1

Which of the following is a characteristic of nociceptors. A. Are made of A-beta fibers B. Free nerve endings C. Their neuronal body is located at dorsal horn D. Low activation threshold QUESTION 2 Regarding taste, which one of these options is right A. Filiform papillae do not have taste buds B. Vallate papille are located the lateral margins of the longue C. Sweet flavor serves to detect toxic content in the food D. Spicy is a primary flavor QUESTION 3 Bill is really scared because a group of dogs is attacking him and bitting his leg. However… climbing a tree. He is still scared but doesn't feel pain at the injuries of the legs. This is because A. Raphe magnus nucleus hiperactivates by inhibiting PAG B. PAG sends nerve signals to the nucleus Raphe magnus C. enkephalins have been released in his ventral horn D. PFC sends inhibitory signals to primary somatosensory cortex QUESTION 5 Muscles fibers using oxidative metabolism to get ATP for contraction constitutes muscles A. of whitish colot B. able to contract very fast C. that fatigue very fast D. able to maintain contraction for a long time QUESTION 6 Regarding bone remodelling A. the osteoid is the mature bone B. macrophages remove the debris before the resorption phase C. PHT and calcitonin stimulate osteoclasts activity D. osteoblasts and osteoclasts are stimulated by Vit D QUESTION 6 Put in the right order the events that happened or will happen in the mouth of the person of the OPG

  • Lower first premolar haven't erupted yet
  • Lower central incisors have already erupted
  • Lower canines haven't erupted yet
  • Upper canines will erupt later
  • Lower central incisors have already erupted
  • Upper lateral incissor is erupting QUESTION When do first teeth erupt into the mouth normally? A. 6th week after fertilization B. 6th year after birth C. 8th month after birth D. 6th month after birth QUESTION 8 Put the following steps of the deglutition reflex in the right order.
  • Levator palatini muscle moves the soft palate backwards to seal the nasophanynx
  • Lower esophageal shincter (LES) relaxes and then contracts
  • Constrictor muscles constrict the pharynx in a top-down constriction wale
  • Stylopharyngeus stylohyoid elevate the pharjnx
  • Styloglossus moves the tongue upward and backward
  • Upper esophageal sphincter (UES) relaxes and then contracts
  • Epiglottis swings down QUESTION 9 What is the most likely age of the person who this OPG belongs: A. 7 to 8 B. 6 to 7 C. almost 6 D. older than 8 QUESTION 10 What is a Central Pattern Generator (CPG)? A. An area of the motor cortex controling complex movements B. A network of neurons from sensor and motor nuclei controlling complex movements

2Ferupting

incisors

early

Transitional

stage

  • Mechanic sensation from the trachea
  • Orbicularis oris muscle contraction
  • Cold thermal sensation from upper central incissor QUESTION 19 The neural pathway connecting primary motor cortex (M1) and ventral horn of the spinal cord to make voluntar movements, is called: A. Extrapyramidal B. Spinothalamic C. Corticospinal D. Corticonuclear QUESTION 20 The neural pathway connecting primary motor cortex (H1) and brainstem nuclei, involved in the voluntary phase of deglutition, is called: A. Corticospinal B. Spinothalamic C. Corticonuclear D. Extrapyramidal QUESTION 21 During preparatory series, type I chews A. air to move the food backwards B. opener muscle activity is the most important C. are the longest (slowest) cycles D. closer muscle activity is crucial QUESTION 22 Right after eating a piece of sweetened chocolate A. plaque pH raises slowly to high alkaline levels B. bicarbonate diffuses out the dental plaque C. saliva pH drops very fast to acidic levels D. in 10 minutes the acid products start concentraTing in dental plaque QUESTION 23 Tastes triggering higher saliva secretion are: A. sour and salty B. salty and umami C. bitter and sweet D. spicy and sweet QUESTION 24 The fact that one function is fulfilled by more than one protein is a property called: A. Complexing C. Amphifunctionality C. Multifunctionality D. Redundancy
QUESTION 25

Which of the following factor is associated to a lower saliva secretion: A. smelling food B. elderly C. morning D. winter time QUESTION 26 Which teeth are not formed from successional tooth buds? A. permanent incisors, canines and premolars B. permanent canines, premolars and molars C. primary teeth and permanent molars D. primary incisors, canines and molars QUESTION 27 Regarding bone growth, It is true: A. Bones keep growing right until menopause occurs B. Forces applied to bones reduce bone remodelling C. Highest bone mass occurs al 11 years old D. Forces applied to the bones increase bone strength QUESTION 28 The more acidic environment in the dental plaque... A. the more formation of hypothiocianous acid takes place B. the higher the probability for caries healing (cure) C. the more mineralization of enamel D. the less dissolution of hydroxyapatite crystals QUESTION 30 Put the following steps of the tooth development in the right order:

  • Cap stage
  • Functional eruptive phase
  • Root formation
  • Oral epithelium enlarges and forms dental lamina
  • The enamel organ becomes bell-shape
  • Tooth loss (shedding)
  • Prefunctional eruptive phase
  • Crown calcification QUESTION 31 Which muscle des open the mandible during mastication: A. geniohyoid B. medial pterygoid C. masseter D. temporalis QUESTION 33 Before an injection at the gingiva (gums), pressing on the mucosal area to be punctured will decrease because: A. PAG activates inhibitory neurons of the dorsal horn B. The activity of tactile Aß receptors increases pain transmission oo 4699

C. It is released when hypercalcemia occurs D. It is released by the parathyroid glands QUESTION 44 Which one of the following stimuli is normally not able to trigger saliva secretion: A. Spicy food B. Touch sensations near the neck skin C. Mastication D. Listening "Lunch time!" QUESTION 45 Which of these options is true regarding the sympathetic and parasympathetic stimulation of acinar calls: A.PS stimulates myoepithelial cells contraction while S inhibits this contraction B. PS stimulates water saliva secretion through muscarinic receptors C. PS only stimulates protein secretion through muscarinic receptors D. Both (s and PS) stimulate salivary secretion but PS decreases blood flow to the glands QUESTION 46 The elongation of a tooth root takes place: A. before crown completion B. at the preeruptive phase C. after alveolar bone growth D. at prefunctional eruptive phase QUESTION 43 Comparing Somatic Nervous System (SNS) and Autonomic Nervous Syslem (AlS) t s tue hat A. SNS is unconscious and ANS is conscious B. SNS is controlled by the hypothalamus while ANS is controlled by the telencephalon C. SNS is in charge of behaviors while ANS controls visceral homeoslasis D. SNS control is involuntary while ANS is voluntary

ANSWERS
1.B
2.A
3.B
4.D
5.B
7.D
9.C
10.B
11.A
12.B
14 .C
15.A
19.A
20.A
21.B
22.C
23.A
24.D
25.B
26.D
27.D
28.B
31.B
33.C
35.A
37.D
38.B
39.A
41.B
42.C
44.B
45.A
46.D