Nokea
In which type of cell are ligand-gated ion channels most commonly found?
- A. Cells that are terminally differentiated
- B. Cells that produce large proteins
- C. Cells that need to respond quickly to external stimuli
- D. Cells that respond to mechanic forces
Correct Answer: C
Rationale: Ligand-gated ion channels enable rapid responses to stimuli, common in excitable cells like neurons and muscle cells.
You may also like to solve these questions
What dermatological issue is linked to Amiodarone use?
- A. Increased risk of basal cell carcinoma
- B. Flare up of any prior psoriasis problems
- C. Development of plantarwarts
- D. Progressive change of skin tone toward a blue spectrum
Correct Answer: D
Rationale: Amiodarone causes blue-gray skin discoloration due to drug deposition.
The following drugs are correctly paired with a clinical use EXCEPT:
- A. Danazol to treat endometriosis
- B. Flutamide to treat benign prostatic hyperplasia
- C. Finasteride to treat male pattern baldness
- D. Clomiphene to treat anovulatory infertility
Correct Answer: B
Rationale: Flutamide treats prostate cancer, not BPH; finasteride is used for BPH.
A nurse is providing teaching to a client who has a new prescription for Digoxin. The nurse should instruct the client to monitor and report which of the following adverse effects that is a manifestation Digoxin toxicity? (Select one that does not apply.)
- A. Fatigue
- B. Constipation
- C. Anorexia
- D. Diplopia
Correct Answer: B
Rationale: Fatigue , anorexia , and diplopia are signs of digoxin toxicity.
Beta blocker which has less first pass metabolism and more excretion through kidney is
- A. Propranolol
- B. Sotalol
- C. Bisprolol
- D. Nadolol
Correct Answer: B
Rationale: Sotalol has minimal first-pass metabolism and is excreted renally.
Which of the following drug increase the sensitivity of fatty tissue and muscles towards insulin:
- A. Dapagliphlozin
- B. Miglitol
- C. Nateglinide
- D. Rosiglitasone
Correct Answer: D
Rationale: Rosiglitazone, a thiazolidinedione, enhances insulin sensitivity in fat and muscle via PPAR-gamma activation.