Nokea
What gland produces a secretion that causes fight-or-flight responses in effectors?
- A. adrenal medulla
- B. salivatory gland
- C. reproductive gland
- D. thymus
Correct Answer: A
Rationale: The correct answer is A: adrenal medulla. The adrenal medulla is part of the adrenal gland and secretes adrenaline and noradrenaline in response to stress, leading to fight-or-flight responses. The salivary gland produces saliva, the reproductive gland produces sex hormones, and the thymus produces T-cells for the immune system, none of which are related to fight-or-flight responses.
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A Neurological disorder that is characterised by impairments in motor performance and coordination are known as
- A. Dyspraxia
- B. Apraxia
- C. Anapraxia
- D. Amotoria
Correct Answer: B
Rationale: Apraxia is a neurological disorder that affects the ability to perform purposeful movements, despite having the physical ability and desire to do so. Individuals with apraxia may struggle with tasks like dressing, cooking, or using tools. This condition is often caused by damage to the parietal lobe or other areas of the brain involved in motor planning and execution.
Brown-Sequard syndrome develops with the following damage of the spinal cord:
- A. complete transversal
- B. anterior horns
- C. half transversal
- D. posterior horns
Correct Answer: C
Rationale: Half transversal is the correct answer because Brown-Sequard syndrome results from damage to one side of the spinal cord. This leads to ipsilateral motor paralysis and loss of proprioception, and contralateral loss of pain and temperature sensation due to the crossing of spinothalamic tract fibers.
Which of the following is NOT a lobe of the brain?
- A. frontal
- B. dorsal
- C. parietal
- D. temporal
Correct Answer: B
Rationale: The brain is divided into four main lobes: frontal, parietal, temporal, and occipital. The dorsal aspect refers to the upper part of the brain or spinal cord and is not a specific lobe. Each lobe has distinct functions, such as the frontal lobe's role in decision-making and the temporal lobe's involvement in hearing and language. The dorsal term is used anatomically to describe location rather than structure.
The polyneuropathic pattern of sensory loss suggests presence of the following syndrome:
- A. numbness & pain in distal parts of extremities
- B. numbness & analgesia in half of the body
- C. pain & sensory ataxia in half of the body
- D. analgesia & sensory ataxia in proximal parts of extremities
Correct Answer: A
Rationale: Numbness and pain in distal parts of extremities is the correct answer because polyneuropathy typically affects the longest nerves first, leading to a glove-and-stocking pattern of sensory loss. This condition is often caused by systemic diseases such as diabetes, vitamin deficiencies, or toxic exposures.
A 28-year-old female patient has been diagnosed with occipital lobe damage after a car accident. What should the nurse expect the patient to need help with?
- A. Being able to feel heat
- B. Processing visual images
- C. Identifying smells appropriately
- D. Being able to say what she means
Correct Answer: B
Rationale: The occipital lobe is primarily responsible for processing visual images.