NBCE Practise Test :)

What metabolite is phosphorylated in skeletal msucle

A) carnitine

B) choline

C) creatine

D) coenzyme Q

Creatine

How many CO2 released per turn of Citric acid cycle

2

Decrease in size of thymus as you age is called

Involution

What cellular change is least likely to occur in surface epithelium:

a) metaplasia

B) hyperplasia

C) dysplasia

D) hypertrophy

Hypertophy

What has the greatest tendency to metastasize:

A) ependymoma

B) melanoma

C) meningioma

D) astrocytoma

Melanoma

What is a benign tumor of well differentiated connective tissue

Fibroma

Most common lethal autosomal disorder in Caucasian people

Cystic fibrosis

What hypersensitivity is the antigen antibody reaction that develops in a previously sensitized individual

Type 1

What hypersensitivity is antibody dependant cell mediated cytotoxicity

Type 2

Serum sickness is what hypersensitivity

Type 3

What nutrient deficiency is associated with peripheral neuritis, edema and myocardial weakness

Thiamine (Beri Beri)

Hyper metabolic state with increased need for nutritional support occurs in

A) hypothermia,

B) heat exhaustion,

C) burns

D) heatstroke

Burns

Osteitis fibrosis cystic is concomitant to

Hyperparathyroidism

Painful, benign neoplasm of bone

Osteoid osteoma

Myxoma is the most common primary tumor of the

A) heart

B) ovary

C) liver

D) smooth muscle

Heart

AAA most associated with being caused by:

A) vasculitis,

B) atherosclerosis,

C) trauma

D) infection

Atherosclerosis

What mechanism produces pulmonary edema second to left ventricle failure

Increased hydrostatic pressure

What effect of chronic alcoholism is reversible:

A) cirrhosis,

B) hepatic failure,

C)fatty liver,

D) chronic hepatitis

Fatty liver

Starry sky appearance of lymph node is characteristic of

Burkitt lymphoma

Vaccination is the primary strategy to control what hepatitis

B

What is the primary virulence factor of strep pneumonia

Capsule

Acute bacterial meningitis in infants and children is primarily caused by

Strep pneumonia

Transmission of legionella pneumophila

Inhaled contaminated water sources

What are acellular:

A) protozoans,

B) fungi,

C) algae,

D) virus

Virus

MC cause of teratogenic mental retardation in newborns

A) Roselovirus,

B) CMV,

C) hep B,

D) herpes 1

CMV

Herpes establishes latent infection in what system

Nervous system

Disseminating form of most fungi

Conidia/spore

Systemic mycoses enter human host via

Inhalation of spores

Trematode shape

Flat (flukes)

How is Ascaris lumbricoides transmitted?

ingestion of eggs from contaminated soil

What index is used to determine nations health care delivery system

A) Crude death rate,

B) crude birth rate,

C) maternal mortality rate

D) infant mortality

Infant mortality rate

What artery is found in the quadrangular space

posterior circumflex humeral artery

linea semilunaris is the lateral border of what muscle

Rectus abdominus

The radiocarpal joint is what type of articulation

Condyloid

What ligament specifically limits hip abduction

Pubofemoral ligament

What muscle connects the cervical TPs to the medial border of scapula

Rhomboids

The popliteus causes _____ rotation of the _____

Medial (internal rotation) of the tibia

Where is the crista terminalis

Right atrium

What is the most inferior anterior branch of the external carotid artery

Superior thyroid artery

What vessel lines the right side of thoracic vertebra

Azygous vein

What vessel lines the left side of the thoracic vertebra

Descending thoracic aorta

Striations and gap junctions are features of what type of muscle

Cardiac

Acinar cells are found in the

Pancreas

What epithelium lines the small intestine

Simple columnar

What bones form the nasal septum

Vomer and ethmoid

Aspiration is more likely to occur in what bronchus

Right primary bronchus

What nerve pierces through the esophageal hiatus of the diaphragm

Vagus

Where are dust cells found

Alveolar space

What is the male equivalent of labia majora

Scrotum

What epithelium lines the vagina

Stratified squamous

What connects the right and left lobes of the thymus

Isthmus

Rathke pouch is the embryological origin of the

Anterior pituitary

Where is the opening of the auditory tube

nasopharynx

What is the vertebrae with 1 pair of full facets and 1 pair of demi facets

T1

What type of ossification occurs in the vertebral body

Endochondral

Anterior translation of the TMJ is from what muscle

Lateral pterygoid

The neonatal sphenooccipital joint is _______ and it is a _______ in adults (joint classification)

Synchondrosis; synostosis

Zenckers diverticulum affects the _______ meckels affects the ______

Esophagus; small intestine

Where does the nuchal ligament attach?

external occipital protuberance to C7 SP

What space includes the CSF

Subarachnoid space

What vein connect the diploic veins to the dural venous sinus

Emissary veins

Lesion of the optic chiasm will cause

bitemporal hemianopsia

What is the final termination of the optic nerve signal

Visual cortex

Where is the malleus found

Tympanic membrane

Spiral ganglions are found where

The modidus of cochlea

Aka for pivot joint

trochoid

What type of epithelium lines the olfactory mucosa

Pseudo-stratified columnar

What causes hyperalgesia in damaged tissues

Substance P

Function of the oval window

Transmits vibration from the middle ear (stapes) to the inner ear (cochlear fluid)

What has the fastest propogation in cardiac tissue

A) av node

B) bundle of his

C) interatrial septum

D) purkinje

Purkinje

What mechanism allows for prolonged tonic contraction in smooth muscle

Latch mechanism

Bronchodilation occurs from the activation of what receptors in the smooth muscle

Beta-adreneregic

Where does most glomerular reabsorption occur

Proximal tubules

Digestion of macronutrients is primarily done by what process

Hydrolysis

Neck cells in the gastric gland produce

Mucus

Dietary fats are initially carried as _____

Chylomicrons

Increased fat will cause the release of

CCK

Losing body heat to air currents is described as

Convection

High altitude will have what effect on hemoglobin

Increase

Generating muscle force without any movement is described as

Isometric

What is a nutritive sweetener classified as sugar alcohol

Sorbitol

Hydrolyis of triglycerides yields

1 glycerol and 3 Fatty acids

Arachindonate is the precursor for the synthesis of

Eicosanoids (ex prostoglandins)

Kwashiorkor is what deficiency

A) vitamin

B) protein

C) carbohydrates

D) fats

Protein

250kg of protein will convert to how many kilocalories

1000 (x4)

Enzymes that have different structure but catalyze the same reaction are called

Isoenzymes

What is used for the interconversion of succinate and fumerate

Dehydrogenase

What effect does epinephrine have on blood sugar

Increases

TRNA adding amino acids to the ribosome P site occurs in what stage of protein synthesis

Elongation

1 turn of the citric acid cycle produces how much CO2

2

What substrates are used during mitochondrial electron transport

NADH, FADH2

What metabolite is phosphorylated in skeletal muscle

Creatine

Function of biological catalysts

Decrease activation energy

If your nitrogen intake is higher than nitrogen excretion as seen in periods of growth and pregnancy, this is termed

Positive nitrogen balance

Converting glucose to ____ prevents diffusion of glucose from most cells

Glucose-6-phosphate

What promotes secretory changes to the endometrium during the latter half of the menstrual cycle

Progesterone

When lymph vessels contract where does lymph fluid move

Into the venous system

Basal cells that produce new neurons with axons into the brain is associated with what special sense

Smell

What cranial nerve supplies muscles derived from the first pair of brachial arches

Trigeminal

The thymus gland is derived from the

3rd pharyngeal pouch