In a patient with very high levels of aldosterone and otherwise normal kidney function, approximately what percentage of the filtered load of sodium would be reabsorbed by the distal convoluted tubule and collecting duct?

#Question id: 11780

#Unit 7. System Physiology – Animal

A patient has a goiter associated with high plasma levels of both thyrotropin-releasing hormone (TRH) and thyroid-stimulating hormone (TSH). Her heart rate is elevated. This patient most likely has which of the following?

#Question id: 11781

#Unit 7. System Physiology – Animal

A 40-year-old woman comes to the emergency room with a fracture in the neck of the femur. Radiographs reveal generalized demineralization of the bone in the area. Her plasma calcium ion concentration is significantly greater than normal: 12.2 mg/dL. Which of the following conditions is consistent with this presentation?

#Question id: 11782

#Unit 7. System Physiology – Animal

Which of the following pairs of hormones and the corresponding action is incorrect?

#Question id: 11783

#Unit 7. System Physiology – Animal

Delayed breathing at birth is a common danger faced by newborn infants. What is a frequent cause of delayed breathing?

#Question id: 11784

#Unit 7. System Physiology – Animal

Which of the following hormones is both synthesized and stored in the pituitary gland?

#Question id: 11785

#Unit 7. System Physiology – Animal

A man is taking a number of medications, one of which appears to be interfering with the emission phase of the sexual act. Which of the following medications could cause this problem?