PHYII- ACTUAL EXAM1 170 QUESTIONS AND

PHYII- ACTUAL EXAM1 170 QUESTIONS AND

CORRECT ANSWERS -

MOST TESTED QUESTIONS GRADED A+

• Aldosterone causes what to happen in the collecting tube?

Reabsorption of sodium Secretion of water Secretion of potassium All of the above are functions of aldosterone Only A and C are functions of aldosterone - CORRECT ANSWER-Only A and C are functions of aldosterone

• Is a result of excess aldosterone?

Hypertension Hyponatremia Hyperkalemia All of the above are a result of excess aldosterone Only A and C are a result of excess aldosterone - CORRECT ANSWER-Hypertension

• Aldosterone stimulates transcription in what glands or organs?

Kidneys Sweat glands Colon All of the above Only A and C - CORRECT ANSWER-All of the above

• A congenital deficiency of what hormone causes congenital adrenogenital syndrome with the

production of ambiguous genitalia in a female infant?Aldosterone Cortisol Androstenedione Epinephrine - CORRECT ANSWER-Cortisol 1 / 4

• What is a well known effect of excess cortisol?

Centripetal obesity Impaired wound healing Immunosuppression All of the above Only A and C - CORRECT ANSWER-All of the above

• What works on the adrenal cortex to control the production of glucocorticoids?

Corticotropin releasing hormone Adrenocorticotropic hormone (ACTH) Angiotensin II Melanocyte stimulating hormone - CORRECT ANSWER-Adrenocorticotropic hormone (ACTH)

• A 25 year old female patient is found to be severely hypertensive with hyperkalemia

hyponatremia and hypoglycemia. Observation reveals increased pigment of the skin although there has been little sun exposure recently and she denies the use of tanning salons. What is the most likely diagnoses from the above information?Conn's syndrome Pheochromocytoma Grave's disease Addison's disease - CORRECT ANSWER-Addison's disease

• Where is oxytocin made?

Anterior hypophysis Hypothalamus Posterior hypophysis Adrenal medulla - CORRECT ANSWER-Hypothalamus

• What substance is the inhibitory hormone for prolactin that is released from the hypothalamus?

Dopamine 2 / 4

Epinephrine Acetylcholine Somatomedin - CORRECT ANSWER-Dopamine

• Follicle stimulating hormone (FSH) targets what cells?

Corpus luteal cell of the ovary Interstitial cells of the testis Sertoli cells of the testis - CORRECT ANSWER-Sertoli cells of the testis

• How does growth hormone indirectly stimulate growth?

Binding to receptors on adipocytes Produces somatomedin from the liver Causes "glucose sprang" Is diabetogenic - CORRECT ANSWER-Produces somatomedin from the liver

• What stimulates growth hormones secretion?

Increases blood glucose Decreased blood free fatty acid Aging Somatomedin - CORRECT ANSWER-Decreased blood free fatty acid

• What is NOT an action of growth hormone?

Reduces the rate of protein catabolism Increases the rate of lipolysis Decreases glucose uptake in cells Decreases insulin secretion - CORRECT ANSWER-Decreases insulin secretion

• A middle aged patient with diabetes mellitus. Examination reveals a coarse facial features and

increased size in hands and feet. There is no evidence of increased what is the most likely cause of the problem in this patient?Acromegaly 3 / 4

Cushing's disease Gigantism Grave's disease - CORRECT ANSWER-Acromegaly

• What causes an increase in growth hormone secretion?

Excering Deep sleep Growth hormone releasing hormone All of the above increase growth hormone secretion - CORRECT ANSWER-All of the above increase growth hormone secretion

• A patient with increased thirst, polyuria, and polydipsia. On examination, the blood osmolality is

found to be high and the large volume of urine is found to be dilute and mainly water. What is the most likely cause of this?Diabetes insipidus Addison's disease Diabetes mellitus Conn's syndrome - CORRECT ANSWER-insipidus

• What does not cause the secretion of ADH?

Decreased blood pressure Decreased blood osmolarity Decreased blood volume Increased Angiotensin II - CORRECT ANSWER-Decreased blood osmolarity

• What hormone is associated with the production of emotional bonding between mother and

infant?Prolactin Oxytocin Vasopressin Dopamine - CORRECT ANSWER-Oxytocin

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