Physio Questions Flashcards

1
Q

Angioedema resulting from ACE inhibitors is due to the accumulation of?

A

Bradykinin

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2
Q

Repeated subcutaneous injections of gradually increasing concentrations of allergens for treatment of allergic rhinitis is

A

Immunotherapy

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3
Q

Darier’s sign, consisting of urtication and erythema of reddish brown macules or papules in response to trauma is seen in:

A

Systemic mastocytosis

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4
Q

Soluble proteins that interact with cellular receptors which regulate growth and activation of immune cells and mediate inflammatory/immune responses

A

Cytokines

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5
Q

Soluble molecules that direct and determine immune cell movement and circulation pathways

A

Chemokines

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6
Q

This process is defined as the fixation of IgE to human mast cells and basophils, preparing these cells for subsequent antigen-specific activation

A

Sensitization

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7
Q

The appearance of wheal-and-flare reaction on the site of skin IgE antibody inoculation treated with an antifrn challenge is known as

A

Prausnitz-Kutsner reaction

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8
Q

Hereditary angioedema, an autosominal dominant disease characterized by attacks of angioedema, is caused by a deficiency in

A

C1 inhibitor

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9
Q

What is the approximate average loss of body iron content per year in women of child bearing age?

A

15%

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10
Q

Hemoglobin with altered amino acid sequences resulting in deranged function or altered physical or chemical properties are classified as a structural hemoglobinopathy that includes

A

Thalassemia

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11
Q

A 62 year old hypertensive, smoker was rushed to the ER because of dizziness noted to be plethoric with erythrocytosis and thrombocytosis. Erythropoietin level is normal, and plasma volume is on the high end of normal. What is your most likely initial impression of this patient?

A

JAK2 mutation
Polycythemia vera
Exon 12 mutation V617F
Substitution of Phenylalanine for valine at 617

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12
Q

Most common cause of Graft vs Host Disease

A

Non-autologous bone marrow transplantation

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13
Q

In inflammation, there is a series of events that allow for neutrophils to locate and migrate to the injured area.

Foremost among these, is the devrlopment of low-amplitude attachments to the endothelium that mediate rolling of the neutrophils.

Which of the following substances are stored in the Weibel-Palade bodies of the endothelial cells only and expressed during inflammation to facilitate rolling?

A

P selectin

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14
Q

First heart sound results from the closing of

Second heart sound results from the closure of

A

mitral and tricuspid valves

aortic and pulmonic valves

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15
Q

Which of the following white blood cells predominate within 6 to 24 hours after tissue injury?

A

Neutrophils

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16
Q

Cell organelle responsible important in glycosylation, sulfating, phosphorylation, and limited proteolysis of proteins

A

Smooth Endoplasmic Reticulum

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17
Q

A muscle disease presenting with Christmas cataracts, frontal baldness and a carp mouth and muscle weakness

A

Myotonic dystrophy

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18
Q

The glycogen storage disease McArdle’s disease results from the deficiency of which enzyme?

A

muscle phosphorylase

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19
Q

Bernard Soulier Syndrome is a disorder of which cellular component

A defect in platelet-vessel wall interaction

A

Glycoprotein IB

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20
Q

Inherited autosomal recessive abnormality in either the gene for IIb or the gene for beta 3 glycoprotein IIIa resulting in abnormal platelet GPIIb/IIIa

Defect in platelet-patelet interaction

A

Glanzmann thrombasthenia

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21
Q

Which of the following immune deficiency syndrome is brought about by a decrease in the oxidative burst during the fusion of the phagolysosome?

A

Chronic Granulomatous Disease

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22
Q

The hormone involved in Verner Morrison Syndrome or WDHAA syndrome

A

Vasoactive Intestinal Peptide

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23
Q

Gastric tumor arising from the Interstitial Cells of Cajal

A

Gastrointestinal Stromat Tumor (GIST)

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24
Q

This enzyme is constitutively expressed in the mucosa and contributes to cytoprotection by stimulating gastric mucus, increasing mucosal blood flow and maintaining epithelial barrier cell function

A

Cyclooxygenase

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25
Hemolysis and vaso-occlusive crisis are common in this form of anemia caused by mutation of glutamic acid to valine at amino acid 6 of beta chain
sickle cell anemia
26
The pathophysiology of Stiff Man syndrome
Anti-GAD antibodies
27
The most highly significant predictor of FEV1 in COPD
Pack years of cigarette smoking
28
The following diseases are associated with lowered diffusing capacity (DLCO), except:
Emphysema Pulmonary hypertension Interstitial lung disease Congestive heart failure
29
What is the mechanism of action of Montelukast and Zafirlukast?
Cysteinyl-leukotriene receptor inhibition
30
Two biosenthetic markers for liver disease
Protime | Albumin
31
The following structure contains voltage-sensitive protein called dihydropyridine receptor of muscle
T tubules
32
The side-by-side relationship between myosin and actin filaments is achieved by the following
large numbers of filaments molecules of a protein called titin
33
A pure actin filament without the presence of the troponin-tropomyosin complex binds instantly and strongly with the heads of the myosin molecules in the presence of the following
ATP | Mg ++ ions
34
The counterpart of troponin in smooth muscles is
Calmodulin
35
Rimmed vacuoles and ragged red fibers seen in a patient presenting with proximal muscle weakness
Inclusion body myositis
36
Sickle cell anemia is the clinical manifestation of homozygous genes for an abnormal hemoglobin molecule. The mutational event responsible for the mutation in the beta chain is:
Point mutation
37
Myotonia of chloride channelopathy | CLCN1
Thomsen’s disease Myotonia congenita Herculean male Steinert’s disease
38
Medication known to cause myositis
HMG CoA reductase inhibitors
39
What congenital anomaly is associated with CATCH-22?
Velocardiofacial syndrome
40
Secondary sensory nerve ending innervating the muscle spindle
Flower-spray ending
41
Primary sensory nerve ending innervating the muscle spindle
Annulospiral endings
42
The connective tissue that binds many fascicles of a muscle
Perimysium
43
A 55 year old with abdominal discomfort and fullness PE is remarkable for massively enlarged spleen BM core biopsy reveals numerous cells that have s single round nucleus surrounded by a cytoplasm with fine fibrillary projections A strain for tartrate-resistant acid phosphatase (TRAP) confirms the likely diagnosis
Well known B cell disorder
44
Burkitt’s lymphoma genetic mutation
C-MYC | t(8;14)
45
Normal PT and BT | Activated partial thromboplastin time APTT prolonged
Factor VIII deficiency
46
RBCs following splenectomy from congestive splenomegaly will present with
RBC Howell-Jolly bodies
47
16 year old, low energy level Chipmunk facies and palpable spleen tip BM biopsy: myeloid:erythroid ratio of 1:4 and there is 4+ stainable ironc xray: Crew cut appearance
Beta thalassemia
48
A 52 amino acid integral membrane protein that regulates Ca pump in cardiac muscle
Phoshpholamban
49
The phase of the cardiac cycle where ventricular volume is the lowest
Isovolumentric ventricular relaxation
50
What is the function of the golgi apparatus:
Formation of lysosomes
51
The primary controller of cardiac output:
Venous return
52
Extrinsic pathway of blood coagulation is initiated by
Injury to vascular wall
53
The classical pathway of complement system is activated by
Antigen antibody complex | IgM or IgG complex to C1
54
Wasted ventilation occurs when
Perfusion is adequate, ventilation is absent
55
A physiologic response to high altitude
Increased diffusing capacity Pathologic: Dec minute ventilation Dec pulmonary vascular resistance Inc tubular reabsorption of HCO3
56
Clotting factors with a unique amino acid gamma carboxyglutamic acid Gla
Factor II Factor IX Factor X
57
A sympathetic reflex initiated by increased blood in the atria and causes stimulation of the SA node
Bainbridge reflex
58
The most important determinant of pulse pressure
Stroke volume
59
A proteolytic enzyme which digests the fibrin fibers in a clot is
Plasmin
60
Disorders of adhesion
von Willebrand disease Bernard Soulier Syndrome Defects in collagen receptors: GP-IcIIa; GPVI
61
Disorders of aggregation
Congenital afibrinogenemia | Glanzmann thrombasthenia
62
Deficiency or defect in plasma VWF
von Willebrand Disease
63
Deficiency of plasma fibrinogen Prolonged BT Abnormal platelet aggregation with ADP
Congenital afibrinogenemia
64
Disorder of procoagulant function Membrane phospholipid defect Normal platelet aggregation with mucocutaneous bleeding
Scott syndrome
65
Defect in structural or cytoskeletal components
MYH9 related disorders | Wiskott-Aldrich Syndrome