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STUDYING MATERIAL
1. Which baby head bleed does not cross suture lines?
A. Subgaleal hemorrhage
B. Caput succedaneum
C. Cephalohematoma ✅
D. Intraventricular hemorrhage
Rationale: Cephalohematomas are subperiosteal, meaning they are confined by suture lines,
unlike caput or subgaleal bleeds.
2. What supplement is recommended for infants in the first few days of life?
A. Iron
B. Folic acid
C. Vitamin C
D. Vitamin D ✅
Rationale: Breastmilk is low in vitamin D; supplementation prevents rickets.
3. What % difference between hand and foot oxygen saturation warrants follow-up for
congenital heart disease?
,A. >1%
B. >2%
C. >3% ✅
D. >5%
Rationale: A pre- and post-ductal O2 sat difference >3% should prompt recheck and possibly
further evaluation.
ENDOCRINOLOGY
4. Is AFP higher in twins?
A. No
B. Yes ✅
Rationale: Higher levels are due to increased placental and fetal production.
5. What hormone stimulates estrogen production in females?
A. LH
B. FSH ✅
C. Prolactin
D. Progesterone
Rationale: FSH stimulates granulosa cells to produce estrogen.
6. What hormone triggers progesterone production?
A. FSH
B. LH ✅
C. GnRH
D. Estrogen
Rationale: LH surge triggers ovulation and subsequent corpus luteum progesterone secretion.
7. Which hormone stimulates Leydig cells to produce testosterone?
A. FSH
B. LH ✅
C. DHT
D. GnRH
Rationale: LH acts on Leydig cells in testes.
8. Which hormone is produced in the posterior pituitary?
A. Oxytocin
B. ACTH
C. Vasopressin ✅
D. TSH
,Rationale: The posterior pituitary stores and releases vasopressin and oxytocin, but vasopressin
is the primary hormone made there.
9. In primary adrenal insufficiency, serum cortisol is ___ and ACTH is ___
A. High, high
B. Low, low
C. Low, high ✅
D. Normal, normal
Rationale: The adrenal glands fail, so cortisol drops and ACTH increases from lack of negative
feedback.
10. Secondary adrenal insufficiency leads to ___ cortisol and ___ ACTH
A. High, high
B. Low, low ✅
C. High, low
D. Normal, normal
Rationale: Pituitary dysfunction = low ACTH and subsequently low cortisol.
11. Cushing's syndrome is classified as ACTH ____ or independent.
A. Absent
B. Dependent ✅
C. Suppressed
D. Neutral
Rationale: Causes are categorized based on ACTH levels.
12. Initial screening tests for Cushing’s include all EXCEPT:
A. Late-night salivary cortisol
B. 1 mg dexamethasone suppression test
C. 24-hour urinary cortisol
D. FSH levels ✅
Rationale: FSH is unrelated. The other three are standard tests.
13. Which hormones are elevated in both Graves and Hashimoto’s thyroiditis?
A. TRAb only
B. TSI only
C. TPO antibodies ✅
D. Thyroglobulin
Rationale: TPO Abs are seen in both; TRAb/TSI are specific to Graves.
14. What antibodies are specific to Graves disease?
A. TPO
B. TgAb
, C. TRAb (TSI) ✅
D. ANA
Rationale: Thyrotropin receptor antibodies stimulate thyroid hormone production in Graves.
15. Which medications shrink the thyroid in hyperthyroidism? Which is safer in pregnancy?
A. Methimazole and PTU; PTU in pregnancy ✅
B. Levothyroxine and PTU; Methimazole in pregnancy
C. PTU and Iodine; Methimazole in pregnancy
D. Methimazole and T3; PTU in pregnancy
Rationale: PTU preferred in 1st trimester due to lower teratogenic risk.
16. Which thyroid scan result is more worrisome?
A. Cold spot ✅
B. Hot spot
C. Diffuse uptake
D. Homogenous uptake
Rationale: Cold = non-functional tissue; higher malignancy risk.
17. When should subclinical hypothyroidism with elevated TSH and normal T4 be rechecked?
A. 1 month
B. 3 months
C. 6 months ✅
D. 12 months
Rationale: Follow-up in 6 months unless symptomatic or TSH is >10
what causes pulsus paradoxus? - Ans - status asthmaticus
ear wax causes _____ hearing loss - Ans - conductive
What T score range is osteopenia? osteoporosis? - Ans - -1 ot -2.5 osteopenia <
-2.5 is osteoporosis
normal ferritin, high serum iron, high TIBC - Ans - thalassemia