Brain Infiltration Quiz
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Questions and Answers

Which gland produces thyroxine and triiodothyronine, hormones that regulate metabolism, growth, temperature, and energy?

  • Thyroid gland (correct)
  • Pituitary gland
  • Pancreas
  • Adrenal gland

    • Which hormone is produced by the adrenal cortex and is essential for sodium conservation in the kidney?

  • Cortisol
  • Aldosterone (correct)
  • Glucagon
  • Insulin

    • What is the process called when glucose is converted to glycogen for storage?

  • Glycolysis
  • Glycogenolysis
  • Glycogenesis (correct)
  • Gluconeogenesis

    • Which hormone released from the adrenal medulla increases lipolysis and gluconeogenesis, leading to an increase in blood glucose levels?

    <p>Adrenaline</p> Signup and view all the answers

    Which hormone released from the adrenal medulla catabolizes muscle to create amino acids in severe starvation, which then undergo gluconeogenesis to increase blood glucose levels?

    <p>Cortisol</p> Signup and view all the answers

    Which hormone increases intestinal absorption of carbohydrates to raise blood glucose levels?

    <p>Thyroxine</p> Signup and view all the answers

    Which of the following is a symptom of carbon monoxide poisoning?

    <p>Headache</p> Signup and view all the answers

    Which of the following is a characteristic of organophosphate poisoning?

    <p>Blocked sweat glands</p> Signup and view all the answers

    Which of the following is a symptom of paracetamol overdose?

    <p>Hepatotoxicity</p> Signup and view all the answers

    Which of the following is a symptom of papilledema?

    <p>Headaches</p> Signup and view all the answers

    Which tracts control involuntary motor responses, posture, walking, and complicated movements in hands?

    <p>Extrapyramidal tracts</p> Signup and view all the answers

    What is the term for the constriction of pupils?

    <p>Miosis</p> Signup and view all the answers

    Which of the following is a symptom of alcoholic ketoacidosis?

    <p>Sweet breath odor</p> Signup and view all the answers

    What is the most frequent cause of acute pancreatitis?

    <p>Gallstone migration into bile duct</p> Signup and view all the answers

    Which of the following is a management principle in toxicology?

    <p>Always suspect polypharmacy</p> Signup and view all the answers

    Which of the following is a symptom of alcohol withdrawal?

    <p>Seizure</p> Signup and view all the answers

    Which drug is used as an antidote for narcotic overdose?

    <p>Naloxone</p> Signup and view all the answers

    Which of the following drugs is NOT a sympathomimetic?

    <p>Morphine</p> Signup and view all the answers

    Which of the following is a symptom of encephalitis?

    <p>Confusion and hallucinations</p> Signup and view all the answers

    What is the equation for cerebral perfusion pressure (CPP)?

    <p>CPP = MAP - ICP</p> Signup and view all the answers

    Which of the following can cause hypokalemia?

    <p>Excessive sweating</p> Signup and view all the answers

    Which of the following is a symptom of heat exhaustion?

    <p>Weakness and lack of coordination</p> Signup and view all the answers

    What is the function of the limbic system?

    <p>Regulating emotions and memory</p> Signup and view all the answers

    What is the role of the blood-brain barrier (BBB)?

    <p>Protecting neurons from changes within the environment</p> Signup and view all the answers

    Which arteries supply 80% of the cerebrum?

    <p>Internal common carotid arteries</p> Signup and view all the answers

    What is the purpose of the CSF (cerebrospinal fluid)?

    <p>Supporting the brain and reducing its weight</p> Signup and view all the answers

    What is the core temperature considered incompatible with cell integrity?

    <p>Greater than 42 degrees</p> Signup and view all the answers

    What is the primary treatment for hyperthermia?

    <p>Cooling immediately with evaporative cooling</p> Signup and view all the answers

    What is the function of gyri and sulci in the brain?

    <p>Increasing the surface area of the brain</p> Signup and view all the answers

    What is the main symptom of heat stroke?

    <p>Frank confusion and delirium</p> Signup and view all the answers

    Which of the following is a symptom of alcoholic ketoacidosis?

    <p>Sweet breath odor</p> Signup and view all the answers

    What is the presentation of cholinergic toxidrome?

    <p>Pinpoint pupils</p> Signup and view all the answers

    Which of the following is a management principle in toxicology?

    <p>Search for clues in patient histories</p> Signup and view all the answers

    Which of the following is a symptom of organophosphate poisoning?

    <p>Blocked salivary and sweat glands</p> Signup and view all the answers

    What is the primary treatment for carbon monoxide poisoning?

    <p>Remove from environment and administer high flow oxygen</p> Signup and view all the answers

    Which of the following is a symptom of paraquat poisoning?

    <p>Respiratory complaints</p> Signup and view all the answers

    Which hormone is released from the adrenal medulla and increases lipolysis and gluconeogenesis, leading to an increase in blood glucose levels?

    <p>Adrenaline</p> Signup and view all the answers

    What is the term for the condition when the pancreas releases little or no insulin, resulting in high blood glucose levels, polydipsia, blurred vision, polyuria, and sudden weight loss?

    <p>T1DM</p> Signup and view all the answers

    Which of the following is a symptom of hypoglycemia?

    <p>Shaky</p> Signup and view all the answers

    Which of the following is an opioid drug that comes from the opium poppy plant?

    <p>Heroin</p> Signup and view all the answers

    Which of the following is an antidote for narcotic overdose?

    <p>Naloxone</p> Signup and view all the answers

    Which of the following drugs is a synthetic analog of GABA and can reduce alcohol elimination rate?

    <p>GHB</p> Signup and view all the answers

    Which gland produces hormones that regulate metabolism, growth, temperature, and energy?

    <p>Thyroid gland</p> Signup and view all the answers

    Which hormone released from the adrenal medulla increases blood pressure, heart rate, and pupil dilation?

    <p>Adrenaline</p> Signup and view all the answers

    What is the term for the breakdown of stored glycogen for glucose?

    <p>Glycogenolysis</p> Signup and view all the answers

    Which of the following is a symptom of severe hyperthermia?

    <p>Confusion and hallucinations</p> Signup and view all the answers

    Which of the following is a classic sign of intracranial hypertension and a warning sign of brain herniation or coning?

    <p>Cheyne-Stokes irregular respirations</p> Signup and view all the answers

    Which of the following is a symptom of moderate hypothermia?

    <p>Unstable cardiac rhythms and osborn waves on ECG</p> Signup and view all the answers

    Which of the following tracts controls involuntary motor responses, posture, walking, and complicated movements in hands?

    <p>Extrapyramidal tracts</p> Signup and view all the answers

    What is the term for uncontrolled, involuntary eye movements due to congenital, inner ear problems, eye problems, CNS problems, meds or alcohol?

    <p>Nystagmus</p> Signup and view all the answers

    What is the term for a serious medical condition where the optic nerve at the back of the eye becomes swollen, leading to visual disturbances, headaches, and nausea?

    <p>Papilledema</p> Signup and view all the answers

    Which of the following is a symptom of hyperthermia?

    <p>Weakness and lack of coordination</p> Signup and view all the answers

    What is the term for the breakdown of muscle from extreme physical exertion, resulting in the release of damaging proteins into the blood?

    <p>Exertional rhabdomyolysis</p> Signup and view all the answers

    Which of the following is a characteristic of heat stroke?

    <p>Frank confusion or delirium with a temperature above 41 degrees Celsius</p> Signup and view all the answers

    What is the function of the limbic system?

    <p>Regulates autonomic or endocrine function in response to emotional stimuli</p> Signup and view all the answers

    Which of the following is a role of the blood-brain barrier (BBB)?

    <p>Allows stable physiology in the brain</p> Signup and view all the answers

    Which arteries supply 80% of the cerebrum?

    <p>Internal common carotid arteries</p> Signup and view all the answers

    What is the main symptom of heat stroke?

    <p>Frank confusion or delirium with a temperature above 41 degrees Celsius</p> Signup and view all the answers

    What is the equation for cerebral perfusion pressure (CPP)?

    <p>CPP = Mean arterial pressure (MAP) - Intracranial pressure (ICP)</p> Signup and view all the answers

    What is the most frequent cause of acute pancreatitis?

    <p>Gallstones</p> Signup and view all the answers

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