ATI LPN
ATI Medical Surgical Endocrine Questions
Question 1 of 5
Which of the following factors is not involved in determining cardiac output?
Correct Answer: D
Rationale: All affect CO: stretch (preload), hormones (epinephrine), ANS (sympathetic), resistance (afterload).
Question 2 of 5
Which respiratory division includes the larynx and respiratory structures distal?
Correct Answer: B
Rationale: Lower respiratory tract starts at larynx, includes trachea, bronchi, alveoli.
Question 3 of 5
Measurement of the functions of a nephron reveals a glomerular capillary pressure of 59 mm Hg, and a pressure in the capsular space of 15 mm Hg. Assuming that the blood colloid osmotic pressure is 30 mm Hg, and that essentially no plasma proteins are filtered by the glomerulus, what is the net filtration pressure in this case?
Correct Answer: B
Rationale: NFP = GCP - (COP + CSP) = 59 - (30 + 15) = 14 mm Hg.
Question 4 of 5
Which of the following hormones is secreted by corpus albicans?
Correct Answer: D
Rationale: Corpus albicans is degenerated corpus luteum, hormonally inactive.
Question 5 of 5
The tumors producing this syndrome resemble carcinoid tumors
Correct Answer: B
Rationale: Zollinger-Ellison syndrome is caused by gastrinomas, which are distinct from carcinoid tumors (typically serotonin-producing); they do not resemble each other histologically.