Nokea
Which of the following has been shown to be useful in managing fatty liver?
- A. Insulin injection
- B. Metformin
- C. Vitamin E
- D. Exercises
Correct Answer: C
Rationale: Vitamin E, an antioxidant, reduces hepatic inflammation in non-alcoholic steatohepatitis (NASH), per AASLD guidelines, aiding NAFLD management. Insulin treats diabetes, not NAFLD directly. Metformin improves insulin sensitivity but lacks strong evidence for NAFLD reversal. Exercise and diet are key but split here; exercise aids weight loss, indirectly helping. Vitamin E's specific benefit makes it notable in chronic liver disease care.
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A scalp block aims to stop conduction in the following nerves:
- A. Zygomaticotemporal.
- B. Infraorbital.
- C. Greater occipital.
- D. Auriculotemporal.
Correct Answer: C
Rationale: A scalp block is used in awake craniotomy to provide regional anesthesia by blocking sensory nerves innervating the scalp. The greater occipital nerve supplies the posterior scalp, making it a key target. The zygomaticotemporal nerve innervates the temple area, and the auriculotemporal nerve covers the lateral scalp and ear region both are also commonly blocked. The infraorbital nerve supplies the midface, not the scalp, and the trochlear nerve (likely a misnomer for supraorbital or supratrochlear) innervates the forehead, another typical target. However, the greater occipital stands out as essential for posterior coverage, consistently cited in scalp block techniques. The rationale hinges on anatomical innervation: effective scalp anesthesia requires blocking nerves from both trigeminal (V1, V2, V3 branches) and cervical (C2, C3) origins, with the greater occipital being a primary cervical contributor, ensuring comprehensive pain control during surgery.
A nurse provides care on a bone marrow transplant unit and is preparing a female patient for a hematopoietic stem cell transplantation (HSCT) the following day. What information should the nurse emphasize to the patient's family and friends?
- A. Your family should likely gather at the bedside in case there's a negative outcome
- B. Make sure she doesn't eat any food in the 24 hours before the procedure
- C. Wear a hospital gown when you go into the patient's room
- D. Do not visit if you've had a recent infection
Correct Answer: D
Rationale: HSCT wipes out immunity, leaving patients prone to sepsis recent infections in visitors could bring pathogens (e.g., flu, strep) into her sterile bubble. Telling family to skip visits if sick is priority, trumping gown-wearing (useful but secondary) or fasting (not typically 24 hours). Gathering for a bad outcome's overly grim HSCT's risky but not a death sentence pre-procedure. Nurses stress this to shield the patient during the 2-4 week engraftment window, when neutropenia peaks, making infection control the linchpin of pre-transplant education in oncology.
A female client is being treated for a deep-vein thrombus she developed post-operatively about one week ago and was treated with unfractionated heparin. Today she presents to the clinic with petechiae on bilateral hands and feet. Laboratory results show a platelet count of 42,000/mm³. The nurse is concerned about a drug reaction and anticipates the client has which of the following?
- A. Heparin-induced thrombocytopenia (HIT)
- B. Hemophilia A (classic hemophilia)
- C. Thrombotic thrombocytopenic purpura (TTP)
- D. Sickle cell crisis
Correct Answer: A
Rationale: Heparin can backfire petechiae and a platelet plunge to 42,000/mm³ post-DVT treatment scream HIT, an immune reaction trashing platelets, risking clots. Hemophilia's genetic, not drug-tied. TTP adds fever, neuro signs absent here. Sickle crisis pains, not bleeds like this. Nurses suspect HIT, anticipating heparin cessation and alternatives, a twist in this anticoagulation tale.
Erysipelas
- A. responds to erythromycin
- B. is caused strep pneumoniae
- C. results from microorganism exotoxin production
- D. typically occurs on the neck
Correct Answer: A
Rationale: Erysipelas erythro clears strep pyogenes, not pneumo, toxins, neck-only, or TEN's peel. Nurses dose this chronic red edge.
The following are common abnormal laboratory markers in patients with NAFLD except:
- A. Elevated uric acid
- B. Elevated triglycerides
- C. Elevated hct
- D. Elevated GGT
Correct Answer: C
Rationale: NAFLD's lab quirks high triglycerides, GGT, glucose tie to fat and insulin woes; uric acid tags along in gouty pals. Elevated hematocrit? Not here, more polycythemia's game. Clinicians spot this odd-out, focusing chronic liver's true markers.