Nokea
The secretions from which of these glands differs between males and females?
- A. Adrenal.
- B. Parathyroid.
- C. Gonadal.
- D. Pancreas.
Correct Answer: C
Rationale: The correct answer is C: Gonadal glands. These glands differ between males and females in terms of the hormones they secrete. In males, the gonadal glands (testes) produce testosterone, while in females, the gonadal glands (ovaries) produce estrogen and progesterone. Adrenal glands (A) secrete hormones like cortisol and adrenaline, which are not gender-specific. Parathyroid glands (B) regulate calcium levels and are not gender-specific. Pancreas (D) secretes insulin and glucagon, which are also not gender-specific. Therefore, the key difference in secretions between males and females lies in the gonadal glands.
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The female patient is admitted with a new diagnosis of Cushing syndrome with elevated serum and urine cortisol levels. Which assessment findings should the nurse expect to see in this patient?
- A. Hair loss and moon face
- B. Decreased weight and hirsutism
- C. Decreased muscle mass and thick skin
- D. Elevated blood pressure and blood glucose
Correct Answer: D
Rationale: In Cushing syndrome, elevated cortisol levels often lead to elevated blood pressure and blood glucose levels.
The secretion of parathyroid hormone is a good example of __________.
- A. pituitary gland stimuli
- B. humoral stimuli
- C. neural stimuli
- D. hormonal stimuli
Correct Answer: B
Rationale: The correct answer is B: humoral stimuli. Parathyroid hormone secretion is regulated by the concentration of calcium in the blood, which is an example of humoral stimuli. When blood calcium levels decrease, parathyroid hormone is released to increase calcium levels. Pituitary gland stimuli (A), neural stimuli (C), and hormonal stimuli (D) are not directly involved in the regulation of parathyroid hormone secretion.
What describes the primary difference in treatment for diabetic ketoacidosis (DKA) and hyperosmolar hyperglycemic syndrome (HHS)?
- A. DKA requires administration of bicarbonate to correct acidosis.
- B. Potassium replacement is not necessary in management of HHS.
- C. HHS requires greater fluid replacement to correct the dehydration.
- D. Administration of glucose is withheld in HHS until the blood glucose reaches a normal level.
Correct Answer: C
Rationale: HHS requires more fluid replacement due to severe dehydration, while DKA management focuses more on correcting acidosis and insulin deficiency.
Adrenaline is contraindicated in:
- A. Cardiac arrest
- B. Acute bronchial asthma
- C. Anaphylactic shock
- D. Hypertension
Correct Answer: D
Rationale: Adrenaline is contraindicated in hypertension because it can worsen high blood pressure and increase the risk of cardiovascular events. Adrenaline's vasoconstrictive effects can further elevate blood pressure in individuals with hypertension, potentially leading to severe complications. Therefore, it is crucial to avoid administering adrenaline in patients with hypertension to prevent adverse cardiovascular outcomes.
Summary:
- A: Adrenaline is indicated in cardiac arrest to improve cardiac output.
- B: Adrenaline is indicated in acute bronchial asthma to relax bronchial smooth muscles.
- C: Adrenaline is indicated in anaphylactic shock to reverse severe allergic reactions.
- D (Correct): Adrenaline is contraindicated in hypertension due to its vasoconstrictive effects.
A patient presents with a moon face, truncal obesity, hypertension, purple straiae, buffalo hump, fragile skin and impaired glucose tolerance. The opposite of the current increased levels of the prime hormone involved in this patient is seen in:
- A. Addison's disease
- B. Pheochromocytoma
- C. Hyperaldosteronism
- D. Cushing's syndrome
Correct Answer: A
Rationale: Step 1: Identify the symptoms described in the patient: Moon face, truncal obesity, hypertension, purple striae, buffalo hump, fragile skin, impaired glucose tolerance.
Step 2: These symptoms are classic for Cushing's syndrome, which is caused by excess cortisol.
Step 3: The opposite of increased cortisol levels is decreased cortisol levels.
Step 4: Addison's disease is characterized by adrenal insufficiency, leading to decreased cortisol levels.
Step 5: Therefore, the correct answer is A: Addison's disease.
Summary:
- B: Pheochromocytoma is a tumor of the adrenal medulla, causing excess catecholamines, not related to cortisol.
- C: Hyperaldosteronism is excess aldosterone production, not related to cortisol.
- D: Cushing's syndrome is characterized by excess cortisol, not the opposite.