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CD 3407 Lecture Hour 5 Question and answers already passed CD 3407 Lecture Hour 5-6 What is medical shock? - correct answer Circulatory system doesn't send enough O2-rich blood to vital organs Describe the pathogenesis of shock (domino effect) - correct answer 1. Severe blood loss --&gt...

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  • November 13, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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CD 3407 Lecture Hour 5-6
What is medical shock? - correct answer ✔Circulatory system doesn't send
enough O2-rich blood to vital organs


Describe the pathogenesis of shock (domino effect) - correct answer ✔1.
Severe blood loss --> decreased BP --> increased HR to try to make up for
low BP
2. Heart working harder needs more O2 --> hyperventilation
3. a. Peripheral blood vessels constrict to provide blood to vital organs -->
cool/pale skin
b. Body sweats in response to stress --> clammy skin
4. Brain senses cell death in extremities due to decreased circulation -->
vasodilation in extremities --> decreased blood flow to vital organs
5. Increased HR --> more blood loss --> vital organs stop working (including
brain which causes reslessness, drowsiness, LOC)
6. Heart doesn't get enough O2 --> arrythmia --> stops beating (breathing
stops too)


How can you treat shock while waiting for EMS to arrive? - correct answer
✔1. Care for cause of shock (control external bleeding)
2. Keep person warm
3. Monitor ABCs (address this before shock)
4. Have person rest
5. Provide comfort and reassurance
6. Don't give them anything to eat or drink

, What are the 3 parts of the secondary survey (after ABCs are ok and no life-
threatening conditions are present)? - correct answer ✔1. Ask questions
(interview, SAMPLE, ask witnesses if they aren't able)
2. Check vitals
3. Head to toe check


When should you perform a hands OFF head-to-toe check? - correct answer
✔Person is ill
First responder is not comfortable touching the person


What are the 4 steps of the hands OFF head-to-toe check? - correct answer
✔1. Get consent
2. Observe areas not covered by clothing
3. Check temp and skin appearance
4. Ask if pain is present then to move each body part one at a time


Before having the patient move their head for a hands-off head-to-toe check,
what should you ask? - correct answer ✔Presence of neck pain (if pain,
stabilize neck!)


When MUST you do a hands ON head-to-toe check? - correct answer ✔If
the person is unconscious


What are the 7 steps of a hands-on head-to-toe exam? - correct answer ✔1.
Check the head and neck for any bumps, soft spots, bleeding. Don't push on
the soft spots.
2. Check the shoulders for bumps or bone deformities
3. Check the chest by feeling the ribs for deformity, ask pt to take a deep
breath: both sides should expand at the same time

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