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
Q

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

A

sickle cell anemia

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26
Q

The pathophysiology of Stiff Man syndrome

A

Anti-GAD antibodies

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27
Q

The most highly significant predictor of FEV1 in COPD

A

Pack years of cigarette smoking

28
Q

The following diseases are associated with lowered diffusing capacity (DLCO),

except:

A

Emphysema
Pulmonary hypertension
Interstitial lung disease

Congestive heart failure

29
Q

What is the mechanism of action of Montelukast and Zafirlukast?

A

Cysteinyl-leukotriene receptor inhibition

30
Q

Two biosenthetic markers for liver disease

A

Protime

Albumin

31
Q

The following structure contains voltage-sensitive protein called dihydropyridine receptor of muscle

A

T tubules

32
Q

The side-by-side relationship between myosin and actin filaments is achieved by the following

A

large numbers of filaments molecules of a protein called titin

33
Q

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

A

ATP

Mg ++ ions

34
Q

The counterpart of troponin in smooth muscles is

A

Calmodulin

35
Q

Rimmed vacuoles and ragged red fibers seen in a patient presenting with proximal muscle weakness

A

Inclusion body myositis

36
Q

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:

A

Point mutation

37
Q

Myotonia of chloride channelopathy

CLCN1

A

Thomsen’s disease
Myotonia congenita
Herculean male
Steinert’s disease

38
Q

Medication known to cause myositis

A

HMG CoA reductase inhibitors

39
Q

What congenital anomaly is associated with CATCH-22?

A

Velocardiofacial syndrome

40
Q

Secondary sensory nerve ending innervating the muscle spindle

A

Flower-spray ending

41
Q

Primary sensory nerve ending innervating the muscle spindle

A

Annulospiral endings

42
Q

The connective tissue that binds many fascicles of a muscle

A

Perimysium

43
Q

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

A

Well known B cell disorder

44
Q

Burkitt’s lymphoma genetic mutation

A

C-MYC

t(8;14)

45
Q

Normal PT and BT

Activated partial thromboplastin time APTT prolonged

A

Factor VIII deficiency

46
Q

RBCs following splenectomy from congestive splenomegaly will present with

A

RBC Howell-Jolly bodies

47
Q

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

A

Beta thalassemia

48
Q

A 52 amino acid integral membrane protein that regulates Ca pump in cardiac muscle

A

Phoshpholamban

49
Q

The phase of the cardiac cycle where ventricular volume is the lowest

A

Isovolumentric ventricular relaxation

50
Q

What is the function of the golgi apparatus:

A

Formation of lysosomes

51
Q

The primary controller of cardiac output:

A

Venous return

52
Q

Extrinsic pathway of blood coagulation is initiated by

A

Injury to vascular wall

53
Q

The classical pathway of complement system is activated by

A

Antigen antibody complex

IgM or IgG complex to C1

54
Q

Wasted ventilation occurs when

A

Perfusion is adequate, ventilation is absent

55
Q

A physiologic response to high altitude

A

Increased diffusing capacity

Pathologic:
Dec minute ventilation
Dec pulmonary vascular resistance
Inc tubular reabsorption of HCO3

56
Q

Clotting factors with a unique amino acid gamma carboxyglutamic acid Gla

A

Factor II
Factor IX
Factor X

57
Q

A sympathetic reflex initiated by increased blood in the atria and causes stimulation of the SA node

A

Bainbridge reflex

58
Q

The most important determinant of pulse pressure

A

Stroke volume

59
Q

A proteolytic enzyme which digests the fibrin fibers in a clot is

A

Plasmin

60
Q

Disorders of adhesion

A

von Willebrand disease
Bernard Soulier Syndrome
Defects in collagen receptors: GP-IcIIa; GPVI

61
Q

Disorders of aggregation

A

Congenital afibrinogenemia

Glanzmann thrombasthenia

62
Q

Deficiency or defect in plasma VWF

A

von Willebrand Disease

63
Q

Deficiency of plasma fibrinogen
Prolonged BT
Abnormal platelet aggregation with ADP

A

Congenital afibrinogenemia

64
Q

Disorder of procoagulant function
Membrane phospholipid defect

Normal platelet aggregation with mucocutaneous bleeding

A

Scott syndrome

65
Q

Defect in structural or cytoskeletal components

A

MYH9 related disorders

Wiskott-Aldrich Syndrome