Below is the image which shows the regulation of production of insulin and glucagon in response to levels of glucose in the blood. What type of biofeedback loop does the production of insulin follows? 

What type of modifications would you need to make in order to convert above biofeedback loop into a positive biofeedback loop? Select all that apply. You may select more than one correct answer.

Which cell of adrenal medulla is responsible for the production of epinephrine?

A patient visits your office. He presents with following symptoms: hypertension, central obesity (thin arms and legs and a large accumulation of fat around the abdomen), puffy face and neck, dark striations on the skin of the abdomen, osteoporosis, and frequent infections. Based on your knowledge of endocrinology, you suspect that the patient is suffering from what condition?

After waking up, Latisha measures her blood glucose level using a glucometer. The value she gets is 90 mg/dL. About 30 minutes after eating a meal rich in carbs, Latisha’s records her blood glucose levels again. The value she gets is 150 mg/dL. After another 30 minutes, she records her blood glucose levels again. The value she gets is 220 mg/dL. What are some of the potential reasons her glucose levels continue to increase? Select all that apply. You may select more than one correct answer.

The net effect of the effector is to shut off the original ________, or reduce its intensity, during the negative feedback mechanism to restore homeostasis.

Damage to which parts of the ear would result in conduction deafness? Select all that apply. You may select more than one correct answer.

Patient visits your office complaining of frequent and severe headaches and occasional difficulty with breathing. The patient is severely overweight and suffers from chronic hypertension. Urinalysis indicates presence of albumin but absence of glucose and erythrocytes. Which medical condition is this patient suffering from?

When performing digestive system physiology exercises, you incubated the test tubes in a water bath for 1 hour. What was the purpose behind this? Select all that apply.

Andy sustained a baseball hit to his cranial cavity. Which bones were fractured?