Nokea
A patient who is on corticosteroid therapy for treatment of an autoimmune disorder has the following additional drugs ordered. Which one is used to prevent corticosteroid-induced osteoporosis?
- A. Potassium
- B. Alendronate (Fosamax)
- C. Furosemide (Lasix)
- D. Pantoprazole (Protonix)
Correct Answer: B
Rationale: Alendronate is used to prevent osteoporosis caused by corticosteroid therapy by inhibiting bone resorption and improving bone density.
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What findings are commonly found in a patient with a prolactinoma?
- A. Gynecomastia in men
- B. Profuse menstruation in women
- C. Excess follicle-stimulating hormone (FSH) and luteinizing hormone (LH)
- D. Signs of increased intracranial pressure, including headache, nausea, and vomiting
Correct Answer: A
Rationale: Prolactinomas often cause gynecomastia in men and other symptoms due to increased prolactin secretion.
Pituitary Hormone Triggering the Male Testes to Generate Sperm and in Females, Triggering Follicular Development Every Month Is
- A. Prolactin
- B. Growth hormone
- C. Follicle-stimulating hormone
- D. Luteinizing hormone
Correct Answer: C
Rationale: The correct answer is C: Follicle-stimulating hormone (FSH). FSH is responsible for triggering follicular development in females and sperm production in males. In females, FSH stimulates the growth and maturation of ovarian follicles, leading to the release of an egg during ovulation. In males, FSH stimulates the Sertoli cells in the testes to support the development of sperm.
A: Prolactin is not involved in the process of follicular development or sperm production.
B: Growth hormone is not directly related to the regulation of reproductive functions.
D: Luteinizing hormone (LH) is responsible for ovulation in females and testosterone production in males, but it is not the hormone that triggers follicular development or sperm production.
Which of the following is NOT true of glucagon?
- A. produced by the pancreas
- B. increases blood glucose levels
- C. promotes the use of fat and protein instead of glucose
- D. stimulates the liver to store glucose as glycogen
Correct Answer: D
Rationale: The correct answer is D because glucagon actually stimulates the liver to release glucose into the bloodstream, not store glucose as glycogen. Glucagon helps increase blood glucose levels by promoting the breakdown of glycogen into glucose, and it also promotes the use of fat and protein for energy when glucose levels are low. Choices A, B, and C are all true statements about glucagon, making them incorrect options in this context.
Which produces the majority of salivary volume?
- A. lingual glands
- B. sublingual
- C. parotid
- D. submandibular
Correct Answer: D
Rationale: The correct answer is D: submandibular glands. These glands produce the majority of salivary volume due to their larger size and higher rate of saliva production compared to other salivary glands. Submandibular glands secrete a combination of serous and mucous saliva, contributing to overall saliva volume. The lingual glands (choice A) are smaller and contribute a smaller amount of saliva. The sublingual glands (choice B) are also smaller and produce less saliva compared to the submandibular glands. The parotid glands (choice C) are the largest salivary glands but contribute a smaller volume of saliva compared to the submandibular glands.
Which row describes aqueous sodium chloride in process 1 and the name of process 2?
- A. residue, evaporation
- B. residue, filtration
- C. filtrate, evaporation
- D. filtrate, filtration
Correct Answer: C
Rationale: The correct answer is C: filtrate, evaporation. In process 1, aqueous sodium chloride would form the filtrate after filtration, as the solid residue is left behind. In process 2, evaporation is used to separate the solvent (water) from the dissolved salt, leaving behind the pure salt. Choice A is incorrect because residue is the solid left behind, not the liquid portion (filtrate). Choice B is incorrect as filtration results in the filtrate, not the residue. Choice D is incorrect as the filtrate undergoes evaporation, not filtration.