chapter 47-48-49 Flashcards
Which of the following statements is NOT true regarding temperature regulation?
A. Temperature regulation is mediated by the hypothalamus
B. Hyperthermia may develop because of subarachnoid hemorrhage
C. Hyperthermia may trauma
D. Hyperthermia may developfrom trauma
D. Hyperthermia persists after development despite improvement in other spheres
d
Appetite is clearly under cortical and subcortical control with influences at multiple levels.
Which of the following statements is NOT true regarding control of appetite and weight?
A. Weight increase can be provoked by sight, aroma, and taste of food
B. Weight increase can be caused by lesion of the ventromedian thalamus
C. Weight increase can be caused by lesion of the dorsomedial nucleus
D. The brainstem functions in the hypothalamic control over appetite
c
Which of the following statements regarding eating disorders is true?
A. Patients with anorexia have low levels of norepinephrine
B. Patients with anorexia have low levels of serotonin
C. Patients with bulimia nervosa have enhanced secretion of cholecystokinin
D. Patients with bulimia nervosa have no measurable biochemical changes
a
Which of the following pituitary hormones are under hypothalamic control? A. Growth hormone B. Prolactin C. Thyrotropin D. Lutenizing hormone E. All of these
e
What effect does increased production of prolactin commonly have on men? A. Galactorrhea B. Acromegaly C. Impotence D. None
c
A 10-ycar-old female child is brought in because of development of secondary sexual
characteristics. Which diagnostic studies are appropriate?
A. MRI
B. CT
C. Serum growth hormone levels
D. All of these
E. None of these
e
Prolactin levels are frequently obtained in patients with suspected seizures. Which of the
following statements are true regarding the use of prolactin to differentiate seizures from nonepileptic
events?
A. Prolactin is elevated in patients with generalized tonic-clonic seizures
B. Prolactin is not elevated in patients with simple partial seizures
C. Prolactin elevation in the morning is normal
D. Prolactin elevation is short-lived after a seizure
E. All are true
e
Which of the following statements are true regarding pituitary apoplexy?
- Patients may have the clinical presentation of subarachnoid hemorrhage
- Cause may be pituitary infarction
- Cause may be pituitary hemorrhage
- Diagnosis is usually missed on CT
a
Which of the following statements are true regarding evaluation of Cushing’s syndrome?
1. Dexamethasone suppression test is important to diagnosis of Cushing’s syndrome
2. Administration of dexamethasone normally results in increased urinary excretion of 17-
ketogenic steroids and urinary-free Cortisol
3. Failure to suppress Cortisol production with dexamethasone with immeasurable ACTH levels
suggests adenoma or carcinoma of the adrenal
4. ACTH levels in Cushing’s disease are markedly suppressed
b
Which of die following statements are true regarding gonadotropin-secreting tumors?
- Most gonadotropin-secreting tumors produce LH
- Some tumors produce both LH and FSH
- Gonadotropin-secreting tumors result in patients who are hypergonadal
- Patients with LH-secreting tumors have increased testosterone or estradiol levels
c
A 56-year-old man has a cardiac arresi and suffers severe anoxic encephalopathy. There is some
brainstem function, but he never regains consciousness and is dependent on ventilator and
tube feedings. He does not have an advanced directive. The family wants the life supports
removed. Which is the appropriate medical approach?
A. Consult the Ethics committee
B. Disconnect the life supports
C. Continue the life supports
D. Perform EEG for determination of cerebral death.
E. Have a court-appointed attorney make a substituted judgment
b
Intractable pain from a peripheral nerve lesion would likely be managed best by which of the
following approaches?
1. Tricyclic antidepressants
2. Anticonvulsants
3. SSRIs
4. Controlled doses of sustained-release narcotics
a
Increased exercise is helpful to augment strength for which of the following conditions?
- Hereditary neuropathy
- ALS
- Parkinson’s disease
- Myasthenia gravis
a
A 58-year-old man with advanced ALS has elected to forego intubation and other means of
ventilatory support. When Iris ventilatory failure is imminent and he sutfers from the anxiety of
air hunger, which is the best treatment strategy?
A. Intubate and ventilate despite the patient’s wishes
B. Use supportive care only. No sedatives are given because they may-hasten death
C. Use morphine or other sedative to lessen the anxiety and promote comfort even though it
can hasten death
D. Consult the Ethics Committee
c
A 25-year-old woman presents with her 4-year-old child, asking him to be tested for
Huntington’s disease. Her rather has clearly documented Huntington’s disease, but no one else
in the family was known to be affected. Which clinical formulation would be the best?
A. Since no one else was affected, the woman’s father had a sporadic occurrence and will not
pass it to his children. There is no need to test the woman or her child.
B. Testing the child would have implications for the mother as well. Genetic and psychologic
counseling prior to a decision on testing is indicated.
C. It is the obligation of the physician to test regardless of the implications, so the examination
should be performed at once.
b
