Nokea
Which of the following hormones retains sodium in the body?
- A. Antidiuretic hormone
- B. Aldosterone
- C. Thyroid hormone
- D. Insulin
Correct Answer: B
Rationale: Aldosterone is a hormone produced by the adrenal glands that plays a crucial role in regulating the balance of sodium and potassium in the body. One of its primary functions is to retain sodium in the body, leading to increased reabsorption of sodium in the kidneys. This retention of sodium helps to maintain blood pressure and fluid balance. In contrast, other hormones like antidiuretic hormone (ADH) primarily regulate water reabsorption, while thyroid hormone and insulin do not have a direct role in retaining sodium in the body.
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During the physical examination of a client for a possible neurologic disorder, how can the nurse examine the client for stiffness and rigidity of the neck?
- A. By positioning the client flat on bed for at least 3 hrs
- B. By moving the head and chin of the client toward the chest
- C. By asking the client to bend and pick up small and large objects on the floor
- D. By introducing a painful stimulus on the neck
Correct Answer: B
Rationale: The nurse can examine the client for stiffness and rigidity of the neck by moving the head and chin of the client toward the chest. This maneuver, known as neck flexion, assesses the resistance and presence of stiffness in the neck muscles. Stiffness and rigidity of the neck muscles may suggest conditions such as meningitis, cervical dystonia, or other neurologic disorders. It is important for the nurse to perform this examination maneuver carefully to avoid causing discomfort or injury to the client.
The initial neurological symptom of Guilain-Barre Syndrome is:
- A. Absent tendon reflex
- B. Paresthesia of the legs
- C. Dysrhythmias
- D. Transient hypertension
Correct Answer: B
Rationale: The initial neurological symptom of Guillain-Barre Syndrome (GBS) is typically paresthesia, which is a tingling or numbness sensation in the legs. GBS is an autoimmune disorder that affects the peripheral nervous system, leading to muscle weakness and paralysis. As the condition progresses, symptoms may worsen and may include absent tendon reflexes, weakness in the arms and legs, and difficulty breathing. However, paresthesia is often one of the earliest and most common symptoms of GBS.
is type of hydrocephalus which there no obstructive to pass CSF but malformation of arachnoid villi :
- A. non communicating hydrocephalus
- B. communicating hydrocephalus
- C. obstructive hydrocephalus
- D. non of the above
Correct Answer: B
Rationale: Communicating hydrocephalus is a type of hydrocephalus where there is no obstruction to the passage of cerebrospinal fluid (CSF), but rather a malfunction or malformation of the arachnoid villi, which are responsible for the reabsorption of CSF. In communicating hydrocephalus, the flow of CSF within the ventricular system is disrupted, leading to an accumulation of fluid and resulting in increased intracranial pressure.
A client is scheduled for a prostatectomy, and the anesthesiologist plans to use a spinal (sub-arachnoid) block during surgery. In the operating room, the nurse positions the client according to the anesthesiologist's instructions. Why does the client require special positioning for this type of anesthesia?
- A. To prevent confusion
- B. To prevent cerebrospinal fluid (CSF)
- C. To prevent seizures leakage
- D. To prevent cardiac arrhythmias
Correct Answer: B
Rationale: Special positioning is required for a spinal (sub-arachnoid) block to prevent cerebrospinal fluid (CSF) leakage. The client is usually positioned in either a sitting or lateral decubitus position to allow for easier access to the spinal canal and ensure proper administration of the anesthesia. Maintaining the correct positioning helps to minimize the risk of CSF leakage, which can result in headaches and potential complications postoperatively. By positioning the client appropriately during the procedure, healthcare providers can optimize the effectiveness of the spinal block while reducing the risk of adverse effects.
If a client with increased pressure (ICP) demonstrates decorticate posturing, the nurse will observe:
- A. Flexion of both upper and lower extremities
- B. Extension of elbows and knees, plantar flexion of feet, and flexion of the wnsts
- C. Flexion of elbows, extension of the knees, and plantar flexion of the feet
- D. Extension of upper extremities, flexion of lower extremities
Correct Answer: B
Rationale: Decorticate posturing is characterized by flexion of elbows, wrists, and fingers; extension of elbows and knees; plantar flexion of the feet. This type of posturing typically indicates severe damage to the cerebral hemispheres or impairment of the corticospinal tract. When a client with increased intracranial pressure (ICP) displays decorticate posturing, it suggests significant brain injury and dysfunction. This abnormal posturing is a classic sign that requires immediate medical attention and intervention.