Free 120

Question 1

louder P2 than A2 possible indicates:

Answer 1

pulmonary artery hypertension

left side of the heart is higher pressure so normally A2 is louder than P2

Question 2

what effects does metronidazole have on alcohol metabolism

Answer 2

causes accumulation of acetylaldehyde

Question 3

what are the rotator cuff muscles and what is their individual function

Answer 3

• supraspinatus (abducts arm)
• infraspinatus (externally rotates arm)
• teres minor (adducts and externally rotates)
• subscapularis (internally rotates and adducts)

Question 4

what is a single nucleotide polymorphism

Answer 4

a single nucleotide substitution that is present in at least 1% of the population

Question 5

most common inherited cause of intellectual disability (genetic)

Answer 5

fragile X syndrome

Question 6

symptoms of fragile X syndrome

Answer 6

POST-PUBERTAL macroorchidism

long face with large jaw, large everted ears

intellectual disability

MVP

Question 7

what is the vascular supply of the parathyroid glands

Answer 7

inferior thyroid arteries (arise from thyrocervical trunk)

Question 8

what is splitting

Answer 8

when a person fails to see others as capable of having both positive and negative qualities at any given time (all or nothing)

Question 9

what happens in myeloperoxidase deficiency

Answer 9

defective conversion of H2O2 to HOCL

increased risk for candida infections

(respiratory burst is intact)

Question 10

compare NADPH deficiency and MPO deficiency

Answer 10

NADPH:

• recurrent infections and granuloma formations with catalase positive organisms (S. aureus, Pseudomonas, serattia, nocardia, aspergillus)
• nitroblue tetrazolium test (+)

MPO:

• increased risk for candida infections
• NBT is normal
• respiratory burst (O2 –> H2O2) intact

Question 11

what controls the proliferative phase of the menstrual cycle

Answer 11

cyclin-dependent kinases

Question 12

how does carbamazepine affect vitamin D

Answer 12

affects vitamin D bioactivation and degradation in the liver (metabolism)

Question 13

lymphatic drainage above and below the dentate line

Answer 13

above: superior rectal
below: superficial inguinal

Question 14

venous draining above and below the dentate line

Answer 14

above: superior rectal vein –> IMV –> splenic vein –> portal vein
below: inferior rectal vein –> internal pudendal –> internal iliac –> common iliac –> IVC

Question 15

can gynecomastia be normal in males during puberty?

Answer 15

yep

Question 16

the post-absorptive state lasts how long and what predominates during it

Answer 16

6-24 hours after a meal

glycogenolysis

Question 17

when does gluconeogenesis happen after a patient’s last meal

Answer 17

24 hours - 2 days

Question 18

where does p52 hold the cell cycle at

Answer 18

G1/S regulation point

Question 19

what is a hemopneumothorax

Answer 19

air in the chest cavity (pneumothorax) and blood in the chest (hemothorax)

will have an air-fluid level

Question 20

what causes the “starry night” appearance in burrito lymphoma

Answer 20

apoptosis

myc mutation causes cells to proliferate but also induces apoptosis

Question 21

symptoms of naegleri fowleri

Answer 21

meningoencephalitis

Question 22

treatment for bubonic plague

Answer 22

aminoglycosides

Question 23

treatment for fransicella tularensis

Answer 23

aminoglycosides

Question 24

symptoms of yersinia pestis

Answer 24

lymphadenopathy in neck, underarms, groin (bulloes)

Question 25

how does exercise affect total peripheral resistance

Answer 25

decreases