305 This Yr Flashcards
- Which of the following structure is located anterior superior aspect of the hypophysis?
A. Anterior comissure
B. Pons
C. Optic chiasma
D. Basilar artery
E. Sphenoidal
C. Optic chiasma
- Which of the following is the marked structure with X?
A. Superior laryngeal nerve
B. Superior thyroid artery
C. Superior thyroid vein
D. Recurrent laryngeal nerve
E. Inferior thyroid artery
Inferior thyroid artery
- Which of the following statement is wrong for the suprarenal glands?
A. They are located on the superior pole of the kidney retroperitoneally
B. Renal fascia covers suprarenal gland with kidney
C. Middle suprarenal arteries are the branches of renal arteries
D. Glucocorticoids are secreted from zona reticularis
E. Left suprarenal vein drains into left renal vein
C. Middle suprarenal arteries are the branches of renal arteries
- Which of the following is the most common ONS glioma?
A. Glioblastoma multiforme
B. Diffuse astrocytoma
C. Anaplastic astrocytoma
D. Meningioma
E. Ependymal tumors
A. Glioblastoma multiforme
- Which of the following is the most common primary CNS tumors by histologic group?
A. Astrocytoma
B. Oligodendroglioma
C. Pituitary
D. Meningioma
E. Nerve sheat
D. Meningioma
- Among the listed below which is the less common GNS tumor in children aged 0-14?
A. Pilocytic astrocytoma
B. Medulloblastoria
C. Diffuse astrocytonia
D. Malignant glioma
E. Oligodendroglioma
Oligodendroglioma
- Which of the following is not the reason of hypocalcemia
A. Pseudohypoparathysoidism
B. Resistance to vitamin D
C. Chronic renal failure
D. Hungry bone syndrome
E. Severe hypermagnesemia
E. Severe hypermagnesemia
- Which of the following is not a clinical finding of hyperparathyroidism?
A. Hypertension
B. Tetany
C. Anemia
D. Depression
E. Pancreatitis
B. Tetany
- Which of the following is not characteristic in case of acromegaly?
A. Acral extension
B. Joint pain
C. Hypotension
D. Sweating
E. Carpal tunnel syndrome
C. Hypotension
- Which of the following is the most common manifestation of pituitary adenoma?
A. Acromegaly
B. Gigantism
C. Hyperprolactinemia
D. Cushing syndrome
E. Hyperthyroidism
C. Hyperprolactinemia
- Which of the following is not a clinical finding of Cushing syndrome?
A. Bufalo hump
B. Proximal myopathy
C. Stria
D. Weight loss
D. Weight loss
- Which of the following is wrong about Whipple’s triad?
A. It’s a pathological condition that can be scen in insulinoma
B. Low plasma glucose measured with a precise method
C. Existence of hypoglycemia symptoms
D. Relief of symptoms after glucose/dextrose administration
E. Existence of glucagonoma
E. Existence of glucagonoma
- A 29-year-old woman complains difficulty of swallowing for the few months and also noted that her voice has been sounding different for the past 2 weeks. On physical exam there is a palpable, nontender nodule in the front of her neck that moves with swallowing. There is no cervical lymphadenopathy. Ultrasound of the neck shows a 1.4 cm nodule with microcalcifications. Risk factors include radiation exposure to the head and nock. Which of the following is wrong about this case?
A. Fine needle aspiration biopsy shows psammoma bodies
B. Diagnosis of patient is papillary carcinoma
C. Calcitonin level is necessary for follow up
D. Total thyroidectomy is the choice of treatment
E. Thyroglobulin follow up is necessary after
C. Calcitonin level is necessary for follow up
- A 30-year-old woman presents to your clinic for increased frequency of urinating. thint.
She was in a car accident about a month ago, where she had head trauma. Since then, she reports that she has noticed this increased frequency of urination. Cranial tomography is normal. Increased serum osmolarity and decreased urine osmolality are detected. Which of the following is your diagnosis and gold standart test for diagnosis?
A. Central diabetes insipidus-ACTH stimulation test
B. Central diabetes insipidus-water deprivation test
C. Central diabetes insipidus-ADH measurement
D. Nephrogenic diabetes insipidus-dexamethasone supression test
B. Central diabetes insipidus-water deprivation test
- A 27-year-old woman present to the labor and delivery floor for labor. After 2 hours, stic successfully delivered vaginally a 3200 g baby girl. A physical examination of this sewbor demonstrates clitoral enlargement and labial fusion. The baby girl has 21-hydroxylase deficiency. Which of the following is your diagnosis for this baby?
A. Hyperthyroidisim
B. Congenital adrenal hyperplasia
C. Addison disease
D. Benign pheochromocytomas
E. Cushing’s disense
B. Congenital adrenal hyperplasia
- A 3-month-old male infant has a lump in his neck. A biopsy of the lump shows it to be thymic tissue. Based on embryonic origin. which of the following additional structures is most likely to have an ectopic location?
A. Jugulodigastric lymph node
B. Lingual tonsil
C. Parathyroid gland
D. Submandibular gland
E. Thyroid gland
C. Parathyroid gland
- A 3-year-old boy is admitted to the hospital because of a soft. anterior. midline cervical mass. When the patient is asked to protrude his tongue, the mass in the neck is observed to move upward. Which of the following is the most likely diagnosis?
A. A thyroglossal duct cyst
B. Defect in sixth pharyngeal arch
C. A branchial cyst
D. Cystic fistula of the third pharyngeal arch
E. Defect in first pharyngeal arch
A. A thyroglossal duct cyst
- A 15-year-old male is admitted to the emergency department with severe headache and hydrocephalus. Radiographic examination reveals a craniopharyngioma occupying the sella turcica, primarily involving the suprasellar space. Which of the following is the most likely cause of this tumor?
A. Persistence of a small portion of the Rathke pouch
B. Abnonnal development of pars tuberalis
C. Abnormal development of foramina of Mono
D. Abnormal development of the alar plates that form the lateral wall of diencephalon
E. Abnormal development of diencephalon
A. Persistence of a small portion of the Rathke pouch
- Host-specific factors that are thought to predispose diabetic patients to infection include the followings except:
A. Vascular disease related to diabetes
B. Minor local trauma in patients with diabetes-associated peripheral neuropathy
C. Autonomic neuropathy may develop urinary retention and stasis
D. Skin and mucosal colonization with pathogens
E. Higher secretion of inflammatory cytokines
E. Higher secretion of inflammatory cytokines
- Which of the following is the most common cause of invasive external otitis (Malignant otitis extera) in dinbetic patients?
A. Clostridium perfiringese
B. Bacteroides fragilis
C. Pseudomonas derugosa
D. Escherichia colt
E. Coagulase negative staphylococci
C. Pseudomonas aerugosa
- Which of the following is wrong about growth hormone?
A. Acts on the liver, stimulating it to release several polypeptide hormones
B. Stimulates amino acid uptake and protein synthesis in target cells
C. Stimulates cell growth (cell size and number), specially in muscle and bone
D. It has no role in fat breakdown
E. Stimulates protein synthesis
D. It has no role in fat breakdown
- Steroid hormone precursors are converted to active hormones and diffuse out of the parent cell by which of the following pathways?
A. Simple diffusion
B. Facilitated diffusion
C. Exocytosis
D. Carrier proteins
E. Na -K ion channels
A. Simple diffusion
- Which hormone is secreted from anterior pituitary?
A. Growth hormone
B. Vasopressin
C. Oxytocin
D. Epinephrine
E. Glucagon
A. Growth hormone
- All the following are normal events leading to secretion of aldosterone from the adrenal
gland except which one?
A. Renin is released by the laidney in hypovolemin
B. Angiotensinogen binds to membrane receptors
C. The phosphoinositol (PI) cycle is activated producing IPs and DAG
D. Cal- levels in the cell rise
E. Aldosterone is secreted into the blood
B. Angiotensinogen binds to membrane receptors
- Which of the following is wrong for TSH?
A. Increases thyroxine secretion from the thyroid gland
B. Increases the degradation of thyroglobulin protease enzyme
C. Increases the activity of the iodide pump
D. Increases the number of thyroid cells
E. Increases iodination
B. Increases the degradation of thyroglobulin protease enzyme
- Fill in the blank.
The subunits of the heterotrimeric G-proteins are called the
A. a. B, and %.
B. a. B, and 6
C. a. %,. and o
D. a. B, and y
E. 7. 6, and n
Alpha beta gamma
- Which of the following hormones termed the “light-of-fight” hormone is secreted by the adrenal medulla?
A. Epinephrine
B. Oxytocin
C. Insulin
D. Glucagon
E. Somatostatin
A. Epinephrine
- Which enzyme is inhibited by insulin?
A. Phosphofructokinase
B. Glucolinase
C. Hexokinase
D. Pyruvate kinase
E. Glucose-6-phosphatase
E. Glucose-6-phosphatase