Biol 235 Unit 16 Sample Questions PDF

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Package Title: Testbank Course Title: pap Chapter Number: 16Question type: Multiple Choice How many sensory modalities can a single sensory neuron have? a) One b) Dozens c) Hundreds d) Thousands e) NoneAnswer: aDifficulty: Easy Study Objective 1: SO 16 Describe sensations and the classification of s...

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Package Title: Testbank Course Title: pap14 Chapter Number: 16

Question type: Multiple Choice

1) How many sensory modalities can a single sensory neuron have? a) One b) Dozens c) Hundreds d) Thousands e) None Answer: a Difficulty: Easy Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors. Study Objective 2: SO 16.1.1 Define sensation, and discuss the components of sensation. Section Reference 1: Sec 16.1 Sensation

2) Which of the following is NOT an event in the process of sensation? a) Stimulation of sensory receptors b) Transduction of the stimulus c) Activation of effector d) Generation of impulses e) Integration of sensory input. Answer: c Difficulty: Easy Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors. Study Objective 2: SO 16.1.2 Describe the different ways to classify sensory receptors. Section Reference 1: Sec 16.1 Sensation

3) Sensory receptors that are located in blood vessels and visceral organs and whose signals are not usually consciously perceived are the a) Exteroreceptors b) Interoceptors c) Proprioceptors

d) Nociceptors e) None of the answers selections are correct Answer: b Difficulty: Medium Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors. Study Objective 2: SO 16.1.2 Describe the different ways to classify sensory receptors. Section Reference 1: Sec 16.1 Sensation

4) Which type of sensory receptor responds to stimuli resulting from physical or chemical damage to tissue? a) Photoreceptors b) Mechanoreceptors c) Proprioceptors d) Nociceptors e) Thermoreceptors Answer: d Difficulty: Medium Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors. Study Objective 2: SO 16.1.2 Describe the different ways to classify sensory receptors. Section Reference 1: Sec 16.1 Sensation

5) The process in which the frequency of nerve impulses in the first-order neuron decreases during prolonged stimulus is called a) selectivity. b) adaptation. c) perception. d) modality. e) transduction. Answer: b Difficulty: Easy Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors. Study Objective 2: SO 16.1.2 Describe the different ways to classify sensory receptors. Section Reference 1: Sec 16.1 Sensation

6) Which of the following is a type of slowly adapting touch receptor?

a) Corpuscle of touch (Meissner corpuscle) b) Type 1 cutaneous mechanoreceptor (Merkel disc) c) Lamellated (Pacinian) corpuscle d) Hair root receptor e) Photoreceptor Answer: b Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic

7) Which of the following is a type of a rapidly adapting touch receptor? a) Corpuscle of touch (Meissner corpuscle) b) Type 1 cutaneous mechanoreceptor (Merkel disc) c) Lamellated (Pacinian) corpuscle d) Both the corpuscle of touch and the type 1 cutaneous mechanreceptor e) All of these choices Answer: a Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

8) What layer of the skin contains the cold thermoreceptors? a) Stratum lucidum b) Dermis c) Stratum basale d) Stratum corneum e) Hypodermis Answer: c Difficulty: Medium

Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

9) Visceral pain results from stimulating a) nociceptors. b) lamellated (Pacinian) corpuscles. c) exteroreceptors. d) proprioceptors. e) thermoreceptors. Answer: a Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

10) Which of the following statements about proprioception is INCORRECT? a) Proprioceptive sensations allow us to estimate the weight of certain objects. b) Proprioceptors are slowly adapting receptors. c) Proprioceptors are embedded in muscles and tendons d) Proprioceptive sensations allow us to determine position of body structures relative to each other. e) Proprioceptive sensations are used to activate the nervous system in response to threatening situations. Answer: e Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.2 Identify the receptors for proprioception and describe their functions. Section Reference 1: Sec 16.2 Somatic Sensations

11) The main function of muscle spindles is

a) to sense tension applied to a tendon. b) to sense referred pain. c) to perceive cutaneous sensations. d) to sense changes in muscle length. e) to sense muscle fatigue. Answer: d Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.2 Identify the receptors for proprioception and describe their functions. Section Reference 1: Sec 16.2 Somatic Sensations

12) Which of the following are proprioceptors found in the articular capsules of synovial joints? a) Tendon organs b) Gamma motor neurons c) Muscle spindles d) Kinesthetic receptors e) Tactile receptors Answer: d Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.2 Identify the receptors for proprioception and describe their functions. Section Reference 1: Sec 16.2 Somatic Sensations

13) The postcentral gyri of the parietal lobes of the cerebral cortex a) are considered the primary gustatory area. b) receive body sensory information. c) control voluntary body movements. d) receive visual information. e) provide the ability to move the eyeballs. Answer: b Difficulty: Medium

Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

14) Which of the following types of neurons conduct impulses from the peripheral somatic sensory receptors to the brain stem or spinal cord? a) First order neuron b) Second order neuron c) Third order neuron d) Fourth order neuron e) Higher order neuron Answer: a Difficulty: Easy Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

15) Which of the following types of neurons conduct sensory impulses from the brain stem and spinal cord to the thalamus? a) First order neuron b) Second order neuron c) Third order neuron d) Fourth order neuron e) Higher order neuron Answer: b Difficulty: Easy Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

16) Which of the following types of neurons conduct impulses from the thalamus to the primary somatosensory area of the cerebral cortex? a) First order neuron b) Second order neuron c) Third order neuron d) Fourth order neuron

e) Higher order neuron Answer: c Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

17) Proprioception means awareness of a) visual acuity. b) body temperature. c) color vision. d) body position. e) pain. Answer: d Difficulty: Easy Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.2 Identify the receptors for proprioception and describe their functions. Section Reference 1: Sec 16.2 Somatic Sensations

18) Which of the following type of neurons have their cell bodies in the spinal cord or brain stem and their axons terminating in neuromuscular junctions? a) upper motor neurons b) lower motor neurons c) somatic sensory neurons d) preganglionic autonomic neurons e) postganglionic autonomic neurons Answer: c Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

19) Which of the following types of neurons have axons that extend from the brain to the lower motor neurons? a) upper motor neurons b) primary neurons c) somatic sensory neurons d) preganglionic autonomic neurons e) postganglionic autonomic neurons Answer: a Difficulty: Easy Study Objective 1: SO 16.4 Describe the components and functions of somatic motor pathways. Study Objective 2: SO 16.4.1 Identify the locations and functions of the different types of neurons in the somatic motor pathways. Section Reference 1: Sec 16.4 Somatic Motor Pathways

20) Which of the neurons in the diagram would most likely pick up an itch sensation?

a) A b) B c) C d) Both A and B e) All of these choices Answer: a Difficulty: Easy Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors.

Study Objective 2: SO 16.1.2 Describe the different ways to classify sensory receptors. Section Reference 1: Sec 16.2 Somatic Sensations

21) Which of the neurons in the diagram is modified in a manner that helps enhance the sensitivity of the receptor?

a) A b) B c) C d) None of these choices e) All of these choices Answer: b Difficulty: Easy Study Objective 1: SO 16.1 Describe sensations and the classification of sensory receptors. Study Objective 2: SO 16.1.2 Describe the different ways to classify sensory receptors. Section Reference 1: Sec 16.1 Sensation

22) Which of the labeled structures in the diagram is a pain receptor?

a) A b) B c) C d) D e) E Answer: a Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.1 Sensation

23) Which of the labeled structures in the diagram is a cutaneous mechanoreceptor that senses pressure and fast vibrations?

a) A b) B c) C d) D e) E Answer: e Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

24) Which of the labeled structures in the diagram senses touch, pressure and slow vibrations?

a) A b) B c) C d) D e) E Answer: c Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

25) Which of the labeled structures in the diagram represents a type II cutaneous mechanoreceptor that monitors the stretching of skin?

a) A b) B c) C d) D e) E Answer: d Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

26) Which of the labeled structures in the diagram is a lamellated corpuscle?

a) A b) B c) C d) D e) E Answer: e Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

27) What do colored regions on body’s surface in the diagram represent?

a) Dermatomes b) Areas of referred pain c) Regions of nociceptors d) Areas supplied by the primary somatosensory area e) Motor nuclei Answer: b Difficulty: Easy Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Section Reference 1: Sec 16.2 Somatic Sensations

28) Which labeled neuron conducts impulses from the thalamus to the primary somatosensory area of the cerebral cortex?

a) A b) B c) C d) More than one answer selection is correct. e) None of the answer selections are correct. Answer: c Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

29) Which labeled neuron conducts impulses from the peripheral somatic receptors into the brain or spinal cord?

a) A b) B c) C d) More than one answer selection is correct. e) None of the answer selections are correct. Answer: a Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

30) Which labeled neuron is considered to be a second-order neuron?

a) A b) B c) C d) More than one answer selection is correct. e) None of the answer selections are correct. Answer: b Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

31) Which of the labeled structures in the diagram of the trigeminothalamic pathway is the trigeminothalamic tract?

a) A b) B c) C d) D e) E Answer: a Difficulty: Easy Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

32) Which of the labeled structures in the diagram of the trigeminothalamic pathway is the trigeminal ganglion?

a) A b) B c) C d) D e) E Answer: b Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

33) Which of the labeled structures in the diagram of the trigeminothalamic pathway is the trigeminal nerve?

a) A b) B c) C d) D e) E Answer: c Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

34) Which of the labeled structures in the diagram of the trigeminothalamic pathway is a secondorder neuron?

a) A b) B c) C d) D e) E Answer: e Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

35) Which of the labeled structures in the diagram of the trigeminothalamic pathway is the firstorder neuron?

a) A b) B c) C d) D e) E Answer: d Difficulty: Medium Study Objective 1: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16.3 Somatic Sensory Pathways

36) Which of the following is a direct motor pathway? a) Anterior corticospinal tract

b) Corticobulbar tract c) Lateral corticospinal tract d) Both Anterior corticospinal and Corticobulbar tract. e) All of these choices Answer: e Difficulty: Medium Study Objective 1: SO 16.4 Describe the components and functions of somatic motor pathways. Study Objective 2: SO 16.4.2 Compare the locations and functions of the direct and indirect motor pathways. Section Reference 1: Sec 16.4 Somatic Motor Pathways

37) The basal nuclei regulate skeletal muscle movements by a) suppressing unwanted movements. b) influencing muscle tone. c) initiating and terminating movements. d) both suppressing unwanted movements and influencing muscle tone. e) All of these choices Answer: e Difficulty: Medium Study Objective 1: SO 16.4 Describe the components and functions of somatic motor pathways. Study Objective 2: SO 16.4.3 Explain how the basal nuclei and cerebellum contribute to movements. Section Reference 1: Sec 16.4 Somatic Motor Pathways

38) Which of the following does NOT occur during sleep? a) Sympathetic division of ANS is stimulated. b) Decreased heart rate. c) Decreased blood pressure. d) Skeletal muscle tone decreases. e) Dream during REM sleep. Answer: a Difficulty: Medium Study Objective 1: SO 16.5 Understand wakefulness, sleep, learning and memory as integrative functions of the cerebrum. Study Objective 2: SO 16.5.2 Describe the four stages of sleep. Section Reference 1: Sec 16.5 Integrative Functions of the Cerebrum

Question type: Essay

39) You are sitting on a sunny Florida beach experiencing the sensation of warmth. Describe the anatomical structures and physiological events that allow you to perceive the warmth of the sun. Answer: Difficulty: Medium Study Objective 1: SO 16.2 Describe the locations and functions of receptors for tactile, thermal, and pain sensations, and for proprioception. Study Objective 2: SO 16.2.1 Describe the location and function of the somatic sensory receptors for tactile, thermal, and pain sensations. Study Objective 3: SO 16.3 Describe the neuronal components and functions of the posterior column-medial lemniscus pathway, the anterolateral pathway, and the spinocerebellar pathway. Section Reference 1: Sec 16...