Questions Flashcards

1
Q

What is the pathogen associated w lyme dz?

A

Borrelia burgdorgeri

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2
Q

clinical characteristic of a rash associated w lyme dz? What organism transmits it?

A

erythema migrans

tick

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3
Q

Complications of lyme dz

A

arthritis w severe joint pain, bell’s palsy, heart palp

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4
Q

2 enzymes required for metabolism of ethanol to acetate & what cofactor

A

alcohol dehydrogenase & acetaldehyde dehydrogenase

cofactor: NAD+

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5
Q

What compound is used to increase acetaminophen metabolism by enhancing phase II reactions?

A

NAC

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6
Q

What organ metabolizes the majority of ingested ethanol?

A

Liver

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7
Q

The posterior auricular & superficial temporal arteries supply the parotid gland. What artery do they branch off of?

A

external carotid artery

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8
Q

What is the most common cause of parotitis

A

mumps

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9
Q

What nerve innervates the parotid gland?

A

glossopharyngeal nerve

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10
Q

Parotid glands start to develop at week 6. Which germ layer?

A

Endoderm

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11
Q

A child has an autosomal recessive condition. DO both parents carry the trait or just 1 parent?

A

both

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12
Q

What enzyme is required for differentiation of male external genitalia? internal genitalia?

A

External = 5alpha-reductase;

Internal = testosterone

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13
Q

Testicular genesis

A

internal & external genitalia = female

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14
Q

Which structure do male internal reproductive organs develop from?

External?

A

Internal = Wolffian duct

External = urogenital sinus

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15
Q

The cloaca develops into

A

urinary bladder & urethra

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16
Q

Leydig cells secrete

A

testosterone

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17
Q

Cancer:

Burkitt’s lymphoma = __ virus

A

EBV

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18
Q

The temporalis muscle attaches to the ____ on the mandible

The condyle forms the ___

A

coronoid process

TMJ

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19
Q

The alveolar process in the mouth

A

holds the teeth

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19
Q

The alveolar process in the mouth

A

holds the teeth

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20
Q

Oncogene implicated in Burkitt’s lymphoma

A

c-myc

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21
Q

WHat tissue is the mandible derived from

A

firt pharyngeal arch

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22
Q

The tuberuculum laterale develops into

A

part of the tongue

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23
Q

CSF of bacterial meningitis; ____ protein, _____ glucose, _______ neutrophils

A

increase proteins d/t leaks in capillaries

decrease glucose as bacteria uses glucose

increase neutrophils to fight infection

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24
How many ventricles are there in the brain
4: right lateral, left lateral, middle & 4th
25
The cerebral aqueduct is located between what ventricles
Third & 4th
26
____ is commonly seen in children w bacterial meningitis while ______ is seen in mycoplasmal (walking) pneumonia
Fever; rashes
27
What tissue produces CSF?
choroid plexus;; cuboidal epithelium
28
Dissemination of N. gonorrhoeae can result in
endocarditis, meningitis, arthritis as it can affect heart valves, meninges & joints
29
T/F: HIV infection is increased five-fold in ppl w gonorrhea
TRUE
30
N. gonorrhea stain
gram (-) intracellular diplococci
31
Peripheral receptors are located in ____ layer of the skin
dermis
32
Langerhans cells
think skin dendritic cells
33
Merkel cells
light touch
34
A major cofactor in the synthesis of reduced glutathione?
magnesium selenium, riboflavin
35
Semimembranosus bursa is located where to the knee joint?
posterior
36
Popliteus action
flexes the leg @ knee joint & internally rotates the tibia
37
What artery feeds the gastrocnemius?
sural artery
38
Which specialized cells produce cartilage?
Chondrocytes
39
Functions of progesterone
prepares uterine lining for implantation thickens cervical mucus increases body temp
40
T/F: progesterone stimulates egg maturation
false
41
Cooper's ligament
supports breast tissue
42
What artery supplies blood to the breast?
lateral thoracic & internal thoracic
43
Most glandular tissue is found in what quadrant of the breast?
superiorlateral
44
Physiologic female development
BiG PAM breast, growth spurt, pubic, axillary, menarche
45
What nerve innervates the achilles tendon?
tibial nerve (posterior leg)
46
The femoral nerve innervates what part of the leg? While the deep fibular nerve innervates what compartment?
anterior thigh anterior compartment
47
+ babinski reflex
extension of flexor hallucis longus (big toe)
48
Flexor pollicis vs flexor hallucis
Pollicis = hand hallucis = foot
49
The dorsal striatum is made up of what basal ganglia? While the lentiform nucleus is made up of?
Putamen, caudate lentiform = globus pallidus + putamen
50
Huntington's dz
atrophy of caudate
51
Hypermyelinazation of corpus striatum
cerebral palsy
52
Huntington's dz + DTR?
normal/unchanged bc it involves the basal ganglia not UMN/LMN
53
Purine bases that convert to uric acid
Adenine & guanine
54
During degradation of purine nucelotides GMP & AMP, _____ is the final substrate that is acted on by ____ to create uric acid
xanthine; xanthine oxidase
55
Bradykinin is a vaso____
vasoconstrictor
56
Tophi
gouty tophi = urates surrounded by giant cells
57
T/F: ibuprofen is a RF for gout
FALSE, it actually decreases inflammation
58
The 1st metatarsal forms a joint w which tarsal?
Medial cuneiform
59
What bones join w metatarsals to form joints
cuneiforms
60
Most common cause of rhinitis
viruses
61
Allergic rhinitis is type _ hypersensitivty
type I
62
Type II hypersensitivty
fixed antigen; goodpasture + grave's
63
Type III hypersensitvity
complexes; SLE
64
WHat week is respiration possible in a fetus
weeks 24+
65
Goblet cells
secret mucus, only in bronchi
66
Suspensory ligament aka
cooper's ligament; attaches mammary glands to dermis
67
Erythropoises sequence
Hemocytoblast → proerythroblast → erythroblast → normoblast → reticulocyte → erythrocyte
68
Initial substrates of heme synthesis
succinyl CoA & glycine
69
Blood flow of from renal artery to glomerulus
aorta → renal artery → segmental artery → lobar artery → interlobar artery → arcuate artery → interlobular artery → afferent arteriole → glomerulus.
70
Eye receives nutrition from the ___ humor & is attached to the
aqueous humor; ciliary bdoy
71
The choroid of the eye contains
melanocytes