2022 MEDI7112 Formative Quiz - Week 5
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Questions and Answers

What is the purpose of the 2022 MEDI7112 Formative Quiz?

  • To decide course enrollment for future classes
  • To contribute points toward the final exam score
  • To evaluate student grades for the semester
  • To provide feedback on strengths and areas for improvement (correct)

Which aspect is NOT considered a component of improvement opportunities in the formative quiz?

  • Encouraging peer collaboration and study groups
  • Enhancing test-taking strategies and skills
  • Identifying weaknesses in understanding clinical concepts
  • Assessing physical exam proficiency (correct)

In the context of the formative quiz, which strength might be highlighted for a student who performs well?

  • Consistent attendance in lectures
  • Mastery of theoretical knowledge only
  • Applied clinical reasoning skills (correct)
  • Proficiency in written communication

What is one possible outcome of the formative quiz for students in MEDI7112?

<p>Greater confidence in clinical applications of knowledge (B)</p> Signup and view all the answers

Which of the following best describes the timing of the formative quiz in the MEDI7112 course?

<p>Offered periodically throughout the course (A)</p> Signup and view all the answers

What is the primary role of Calcium (Ca2+) in the process of neurotransmitter release?

<p>It plays a vital role in initiating the neurotransmitter release process. (B)</p> Signup and view all the answers

Which of the following statements about polymodal nociceptors is correct?

<p>They are capable of responding to mechanical, temperature, and chemical noxious stimuli. (D)</p> Signup and view all the answers

Which type of cells in the CNS is responsible for forming the blood-brain barrier?

<p>Astrocytes (C)</p> Signup and view all the answers

What key feature indicates a problem in peripheral nerves for the 36-year-old man described?

<p>Presence of bilateral foot drop and weakness in finger abduction. (C)</p> Signup and view all the answers

Which cell type is involved in generating cerebrospinal fluid (CSF)?

<p>Ependymal cells (A)</p> Signup and view all the answers

In the context of synaptic transmission, what happens when Ca2+ channels are blocked?

<p>Neurotransmitter release is inhibited. (A)</p> Signup and view all the answers

Which of the following is NOT a function of astrocytes in the central nervous system?

<p>Myelination of neurons. (A)</p> Signup and view all the answers

What primarily characterizes polymodal nociceptors compared to other nociceptors?

<p>They are versatile in responding to multiple types of noxious stimuli. (C)</p> Signup and view all the answers

Which cation influx leads to neurotransmitter release at the neuromuscular junction?

<p>Calcium (Ca+2) (A)</p> Signup and view all the answers

What percentage score was achieved in the 'Knowledge (Remembering)' category?

<p>50.00% (D)</p> Signup and view all the answers

Which year had no scores listed for 'MEDI7112 Clinical Science 2'?

<p>2019 (D)</p> Signup and view all the answers

Which module received a score of 100.00%?

<p>Nervous System (C)</p> Signup and view all the answers

What was the score achieved in 'Neuroanatomy'?

<p>66.67% (C)</p> Signup and view all the answers

In which year did 'Peripheral Neuropathy' have a high score of 66.67%?

<p>2021 (B)</p> Signup and view all the answers

What was the score for 'Emergency Medicine discipline'?

<p>0.00% (C)</p> Signup and view all the answers

Which subject area had the highest achievement with a score of 80.00%?

<p>Neurological Conditions (C)</p> Signup and view all the answers

Which module had a formative score of 50.00% in 2021?

<p>Nervous System Module (A)</p> Signup and view all the answers

Which category reported a 100.00% score in comprehension?

<p>Comprehension (Understanding) (A)</p> Signup and view all the answers

What nerve injury is most likely indicated by a wasted left deltoid and decreased sensation to pinprick in the left shoulder?

<p>Axillary nerve injury (A)</p> Signup and view all the answers

Which nerve roots are most likely injured in a patient displaying Erbs palsy due to a fall onto the shoulder?

<p>C5, C6 (A)</p> Signup and view all the answers

Which nerve fibers are responsible for fast and sharp pain sensations?

<p>Aδ fibers (A)</p> Signup and view all the answers

What clinical presentation is associated with an axillary nerve injury?

<p>Inability to abduct the shoulder (D)</p> Signup and view all the answers

In which scenario is the axillary nerve typically affected?

<p>Fall onto the shoulder (A)</p> Signup and view all the answers

What type of pain is carried by C fibers?

<p>Deep, dull pain (D)</p> Signup and view all the answers

Which condition is caused by injury to the upper trunk of the brachial plexus?

<p>Erb's palsy (B)</p> Signup and view all the answers

If a patient cannot perform shoulder abduction, which of the following is a likely cause?

<p>Axillary nerve injury (C)</p> Signup and view all the answers

A patient presents with distal numbness, tingling, and pain. What is the first step in determining the cause of these symptoms?

<p>Determine if the symptoms are due to peripheral neuropathy or a CNS lesion (B)</p> Signup and view all the answers

What is a characteristic feature of CNS lesions, differentiating them from peripheral neuropathy?

<p>Impairment of bowel and bladder functions (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic symptom of peripheral neuropathy?

<p>Speech difficulty (D)</p> Signup and view all the answers

A patient has weakness in abducting the left shoulder and left shoulder numbness. Which of the following is MOST LIKELY the affected nerve?

<p>Axillary (D)</p> Signup and view all the answers

Which of the following nerves is MOST LIKELY damaged in a patient with foot drop, weakened ankle eversion, and numbness over the dorsum of the foot?

<p>Common fibular (B)</p> Signup and view all the answers

Which of the following scenarios is MOST LIKELY to cause damage to the common fibular nerve?

<p>A plaster cast encasing the foot, ankle, and leg below the knee (A)</p> Signup and view all the answers

A patient presents with weakness in the small muscles of the foot. Which of the following nerves is MOST LIKELY affected?

<p>Medial plantar (D)</p> Signup and view all the answers

Which of the following is a characteristic feature of lesions of the peripheral nerve roots?

<p>Associated neck and low back pain (C)</p> Signup and view all the answers

Flashcards

Strengths

Positive attributes or skills that enhance performance in tasks.

Improvement Opportunities

Areas or aspects where there is potential for growth or enhancement.

Formative Quiz

An assessment aimed to gauge learning progress during a course.

Clinical Science 2

A specific course focused on medical science concepts and applications.

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2022 MEDI7112

The academic year and course code for Clinical Science 2.

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Calcium (Ca2+)

A vital ion for neurotransmitter release in neurons.

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Polymodal nociceptors

Nociceptors that respond to mechanical, temperature, and chemical stimuli equally.

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Astrocytes

CNS cells that form the blood-brain barrier and support neurons.

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Microglia

Phagocytic cells in the CNS that clean up debris and pathogens.

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Oligodendrocytes

Cells in the CNS responsible for myelinating neurons.

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Ependymal cells

Cells in the CNS that generate cerebrospinal fluid (CSF).

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Peripheral neuropathy

A disorder resulting in numbness and weakness, often in extremities.

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Blood-brain barrier

A selective barrier that protects the brain from harmful substances.

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Distal Symptoms

Symptoms that occur in the furthest parts of the body, such as hands and feet.

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CNS Lesion Symptoms

Signs indicating damage to the central nervous system, including speech difficulty or ataxia.

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Deep Tendon Reflexes

Reflex actions that are typically brisk in CNS lesions, indicating a hyperactive response.

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Common Fibular Nerve Injury

Injury to this nerve causes foot drop and may follow a plaster cast application.

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Sural Nerve

A cutaneous nerve that supplies sensation to the skin on the outer part of the foot.

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Superficial Fibular Nerve

Nerve responsible for foot eversion and sensation on the dorsum of the foot.

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Foot Drop

A condition characterized by difficulty lifting the front part of the foot, often due to nerve damage.

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Axillary Nerve Injury

Damage to the axillary nerve causing deltoid wasting and shoulder issues.

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C5 Radiculopathy

Nerve root injury affecting C5, often leading to weakness in shoulder abduction.

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A Delta Fibers

Nerve fibers that transmit fast and sharp pain signals.

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Erb's Palsy

Injury to C5, C6 roots resulting in a 'waiter's tip' arm position.

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C6,C7 Nerve Injury

Damage to C6, C7 roots affecting arm and hand function post-accident.

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A Beta Fibers

Nerve fibers that carry touch and pressure sensations, not pain.

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C Fibers

Nerve fibers that transmit deep, dull, and slow pain sensations.

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Nociceptive Signals

Signals related to pain; can be fast (A delta) or slow (C Fibers).

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Neurotransmitter Release

The process by which neurotransmitters are released from neurons into the synapse.

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Cation Influx

The movement of positively charged ions into the neuron that triggers neurotransmitter release.

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Neuromuscular Junction

The site where a motor neuron communicates with a muscle fiber.

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Pre-synaptic Terminal

The end part of a neuron where neurotransmitters are stored and released.

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Nervous System Function

The role of the nervous system in controlling bodily functions and responses.

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Synapse

The gap between two neurons where communication occurs.

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Motor Neuron

A type of neuron that transmits signals to muscles to produce movement.

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Nerve Entrapment Syndromes

Conditions where nerves become compressed, leading to pain and dysfunction.

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Neuroanatomy

The study of the structure of the nervous system.

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Study Notes

2022 MEDI7112 Formative Quiz - Week 5

  • Overall Score: 50.00% (5/10)
  • Knowledge Category (Remembering): 0/100
  • Comprehension Category (Understanding): 0/100
  • Formative Category: 0/100. Scores for individual topics (2017, 2019, etc.) also reveal low performance.
  • Anatomy: 75.00%
  • Physiology: 50.00%
  • MEDI7112 Clinical Science 2: 50.00%
  • Nervous System and Special Senses: 66.67%
  • Physiology (Specific Topic): 50.00%
  • Emergency Medicine (Specific Topic): 0.00%

Specific Topic Scores

  • David Amirtharajan, Sophia (Individual Score): 50.00%
  • 2017 (Specific Topic Score): 50.00%
  • 2019 (Specific Topic Score): 0.00%
  • 2019 Reviewed MEDI7211 Course Team (Specific Topic Score): 0.00%
  • To be reviewed MEDI7112 (Specific Topic Score): 0.00%

Neuroanatomy and Neurological Conditions

  • Neurological Conditions: 66.67%
  • Nervous System: 80.00%

Nervous System Module

  • 2021 MEDI7112 Formative: 50.00%
  • Nerve Entrapment Syndromes: 100.00%

Peripheral Neuropathy

  • Peripheral Neuropathy: 66.67%
  • Question: Regarding neurotransmitter release, calcium influx at the pre-synaptic terminal is crucial.
  • Question: Polymodal nociceptors respond equally to mechanical, thermal, and chemical stimuli.

Blood Brain Barrier

  • Cell Type: Astrocytes are responsible for forming the blood brain barrier.

Peripheral Neuropathy (Specific Topics)

  • Symptoms: The case study highlights distal sensory loss, numbness, and weakness in the extremities, along with gait abnormalities.
  • Diagnosis: Peripheral neuropathy is suggested, and neuroanatomic region of the issue is the Peripheral Nerve region.

Nerve Supply to Lower Leg

  • Affected Nerve: Common fibular nerve is likely the affected nerve.
  • Symptoms: Foot drop, weakened ankle eversion, and numbness over the dorsum of the foot are noted.

Shoulder Dysfunction

  • Explanation: Axillary nerve injury (or circumflex nerve) is most likely the cause.

Brachial Plexus

  • Nerve Roots Injured: C5 and C6 nerve roots are likely involved, according to the specific case scenario/exam.

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Description

Test your understanding of clinical science with this formative quiz covering key topics from the MEDI7112 course. Focus on anatomy, physiology, and neurological conditions to strengthen your knowledge. This quiz aims to assess your readiness in these critical subjects.

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