Bioscience mock exam 2 QMP Flashcards by Karen Saunders

The neurotransmitter released by postganglionic fibres in the parasympathetic divisionis

acetylcholine

noradrenaline (norepinephrine)

glycine

acetylcholinesterase

dopamine

acetylcholine

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Lymph is initially collected from the tissues by the

afferent lymphatic vessels

lymphatic nodules

lymphatic capillaries

tonsils

lymph nodes

lymphatic capillaries

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Staphylococcus aureus lives on human skin as a(n)

Parasite

Pathogen

Infection

Saprophyte

Commensal

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Classification of epileptic seizures starts with the two major categories

Automatism or autonomic

Motor or non-motor onset

Clonic or tonic seizures

Aura and impaired awareness

Aware or impaired awareness

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The bacteria-killing enzyme present in tears is called

lysozyme

lysosome

water

mineral salts

antibodies

lysozyme

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Breast cancer is often diagnosed by one of several means which of the following is less appropriate on its own

BRAC diagnostic blood test

Plain chest X-ray

Needle biopsy

Mammography

Chest CT scan

Plain chest X-ray

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Which of the following is not a feature of rheumatoid arthritis?

Inflamed synovium

Cartilage loss

Bone loss

Swollen synovial joint

Hypoglycaemia

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Hearing loss that is conductive affects the

The cochlea and semi-circular canals

The semi-circular canals

The external auditory canal

The cochlea

The external, and middle ear

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Which of the following bones are NOT long bones?

bones of the thighs

bones of the ribcage

bones of the lower legs

bones of the forearms

bones of the arms

bones of the ribcage

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Common functions of the lymphatic system include

return of excess interstitial fluid to the cardiovascular system

carrying out immune responses

return of filtered plasma proteins to the cardiovascular system

transportation of lipids from the gastrointestinal tract to the blood

all of the choices are correct

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Protein product is the result of which order of events?

gene locus determination, base sequence, translation, transcription, amino acid sequence, primary chain folding

RNA base sequencing, transcription, translation, the correct amino acid sequence, primary chain folding

Transcription, translation, amino acid folding and amino acid sequencing

Gene locus determination, transcription, base sequencing, translation, amino acid sequence, primary chain folding

Transcription, translation, base sequencing, correct amino acid sequence, primary chain folding

RNA base sequencing, transcription, translation, the correct amino acid sequence, primary chain folding

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Which of the following components of a reflex arc would a muscle or gland most likely serve as ?

motor neuron

receptor

integrating centre

sensory neuron

effector

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The epididymis is located

On the exterior surface of the testes

On the exterior surface of the ovary

Around the neck of the urinary bladder

In the uterus

In the uterine lining

On the exterior surface of the testes

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The site of progesterone secretion to maintain pregnancy during foetal development is the

Ovary

Hypothalamus

Anterior pituitary gland

Placenta

Uterus

Placenta

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The part of the brain that is the origin of the hormonal control of female and male reproductive function is known as the

Hypothalamus

Cerebellum

Medulla

Thalamus

Anterior pituitary

Hypothalamus

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Which of the following results might you see if you were to look at the children of a blue eyed father and a brown eyed mother when you know that both parents are genotypically homozygote?

50% blue and 50% brown

One blue and three brown

All children have brown eyes

All children have blue eyes

Three blue one brown.

All children have brown eyes

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Human chorionic gonadotrophin is secreeted by the

Embryo

Uterus

Fallopian tube

Ovary

Testes

Embryo

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Which of the follwoing is not an essential nutrient for erythropoiesis?

B12 (cyanocobalamine)

Vitamin D (cholecalciferol)

Iron

Folic acid

Vitamin C (ascorbic acid)

Vitamin D (cholecalciferol)

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The site where either two neurons or a neuron and effector communicate is called a

Synaptic terminal

neuromuscular junction

Neuroeffector junction

synapse

motor endplate

synapse

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The iron-containing portion of haemoglobin molecule is called

haeme

globulin

transferrin

ferritin

globin

haeme

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What do oncologists call the BRCA gene?

Ovarian proliferation factor

Tumour necrosis factor

Tumour suppressor gene

Breast cancer activation gene

Tumour accelerator gene

Tumour suppressor gene

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The lateral movement of the arms away from the body is called

adduction

elevation

abduction

retraction

circumduction

abduction

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The primary visual area of the cerebrum is located in the

lateral lobe

motor speech area

temporal lobe

frontal lobe

occipital lobe

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The biological term that means stoppage of bleeding is

vascular spasm

thrombosis

coagulation

haemostasis

homeostasis

haemostasis

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Vallate papillae containing taste buds are found in an inverted V-shaped row at the sides of the tongue back of the tongue tip of the tongue middle of the tongue bottom of the tongue

back of the tongue

Night blindness results from abnormalities in the cones rods optic nerve cornea chorid

rods

The photopigment in rods is called retinal opsin melanin rhodopsin chlorophyll

rhodopsin

If you have the parentage of a hterozygote and a homozygote which ratio/proportion best expresses the likely outcome of genotypes? 3:1 100% 50% 1:2:1 30%

50%

The longest, heaviest and strongest bone in the body is the coxal bone humerus fibula femur tibia

femur

The chance that a child born to parents with sickle cell trait (heterozygous) will have sickle cell disease (homozygous) is 1: 4 25% 1: 20 5% 1: 5 20% 1: 2 50% 1: 10 10%

1:4 25%

The extreme nausea and vomiting experienced by some women during pregnancy is known as Hyperglycaemia Hypotension Hyperemesis gravidarum Hypertension Hypoglycaemia

Hyperemesis gravidarum

A plasma cell secretes antibodies circulates as a T cell until it is exposed to its specific antigen secretes antibodies and circulates as a T cell until it is exposed to its specific antigen circulates as a B cell until it is exposed to its specific antigen secretes antibodies and circulates as a B cell until it is exposed to its specific antigen

secretes antibodies and circulates as a B cell until it is exposed to its specific antigen

The site of fertilisation is the Cervix Ovary Vagina Fallopian tube Uterus

Fallopian tube

The percentage of whole blood occupied by red blood cells is called the haemoglobin content differential haematocrit reticulocyte count platelet count

haematocrit

Incomplete development of the neural tube is known as Scoliosis Bells's Palsy Spina bifida Myasthenia gravis Cerebral palsy

Spina bifida

Which of the following types of blood cells contain hemoglobin? Eosinophils Basophils Erythrocytes Neutrophils Monocytes

Erythrocytes

The date of the last menstrual period (LMP) is recorded as The day of ovulation The mid-point of menstruation The day of embryonic implantation The final day of menstruation The first day of menstruation

The first day of menstruation

Surfactant is a complax lipoprotein that Reduces surface tension of aveolar fluid Stabilises cell membranes Lubricates skeletal joints Emulsifies lipids in the small intestine Lubricates the pleural membranes

Reduces surface tension of aveolar fluid

As humans get older, their immune system has a tendancy to produce more antibodies against their own body's tissues, These antibodies are called autoantibodies allografts autografts monoclonal antibodies Igm antibodies

autoantibodies

Smooth muscle is striated, multinucleated, and voluntary non-striated, multinucleated, and involuntary striated, uninucleated, and involuntary non-striated, uninucleated, and involuntary striated, multinucleated, and involuntary

non-striated, uninucleated, and involuntary

Prolactin secretion during pregnancy stimulates Breast development Uterine growth Production of amniotic fluid Ovulation Placenta development

Breast development

The first line of innate defences against pathogens is phagocytosis production of antibodies complement intact skin and mucous membranes inflammation

intact skin and mucous membranes

In the female, FSH promotes development of the Ovarian follicle Fallopian tube Breast tissue Cervix Endometrium

Ovarian follicle

Which of the following types of bone cells is considered the primary bone buiulding cell? osteoblasts chondrocytes monocytes osteoclasts osteocytes

osteoblasts

The centre of the eardrum is connected to the vestibule cochlea incus stapes malleus

malleus

Surfactant is a Enzynme Plasma protein Skin secretion Hormone Lipoprotein

Lipoprotein

The science that deals with the eyes and disorders of the eyes is called geriatrics ophthalmology otorhinolaryngology optometry paediatrics

ophthalmology

The hormones that are responsible for maintaining homeostasis relative to blood calcium levels are parathyroid hormone and mineralocorticoids parathyroid hormone and calcitonin thyroid hormones only thyroid hormones and calcitionin insulin and glucagon

parathyroid hormone and calcitonin

The sex chromosomes are known as A and B X and Y X and X C and D Y and Y

X and Y

In a spinal tap, cerebrospinal fluid is removed from the foramen magnum epidural space subarachnoid space fourth ventricle subdural space

subarachnoid space

Which of the following blood transfusions would most likely result in severe haemolysis of the donated blood Type O blood transfusion into a type B recipient Type O blood transfusion into a type A recipient Type AB blood transfusion into a type A recipient Type A blood transfusion into a type AB recipient Type B blood transfusion into a type AB recipient

Type AB blood transfusion into a type A recipient

The thin layer of white blood cells and platelets found above the packed red cells in centrifuged blood is called the buffy coat serum haematocrit extracellular matrix of blood plasma

buffy coat

The corpus luteum secretes Follicle stimulating hormone Luteinising hormone Human chorionic gonodotrophin Testosterone Progesterone

Progesterone

The spleen is unique among the lymphatic organs because it stores T cells Platelets Antibodies B cells Memory cells

Platelets

The protein threads that hold a blood clot together are formed by Platelet plug prothrombin activator thrombin tissue plasminogen activator (tPA) fibrin

fibrin

Astigmastism is the Loss of near vision with age where the light rays meet in front of the retina Deterioration of the retinal macula where vision clarirty is reduced because of light rays from ,multifocal points Farsightedness from childhood where light rays meet beyond the retina Deviation from spherical curvature where light rays spread to form mutifocal points The breakdown of the corneal tissue in response to injury or infection

Deviation from spherical curvature where light rays spread to form mutifocal points

The corpus luteum is The fertilised ovum The nodular surface of the testis A part of the placenta The structure that remains in the ovary following ovulation A developing follicle with ovum

The structure that remains in the ovary following ovulation

The speed of nerve impulse conduction is determined by all of the following EXCEPT stimulus strength fibre diameter temperature absence of myelin presence of myelin

stimulus strength

Diabetic retinopathy is a A detachment of the retina sen in most common diabetics The opacity of the lens in diabetic patients Manifestation of vascular disease in the eye of patients with diabetes The reduced refractive activity of the lens in diabetic patients Sensorineural disease affecting the retinal cone cells in all diabetic patients

Manifestation of vascular disease in the eye of patients with diabetes

An allele is The visible chracteristic of a heritable trait The variant gene within a genotype The postition of a chromosome in a karyotype The postition of a gene on a chromosome The mutated genen in a chromosome

The variant gene within a genotype

Which spinal cord plexus supplies the abdominal wall sacral plexus cervical plexus lumbar plexus brachial plexus more than one of the choices are correct

lumbar plexus

The condition Down's syndrome is caused by Translocation between chromosome 22 and 23 Inversion of chromosome 17 Trisomy 21 Duplication of Chromosome 18 Trisomy 23

Trisomy 21

In cell mediated immunity, infected host cells are directly attacked by B cells helper cells macrophages cytotoxic T cells antibodies

cytotoxic T cells

Which of the following types of receptors is used to estimate the weight of a lifted object so that an appropriate level of muscle contraction is stimulated? gustatory receptors baroreceptors nociceptors proprioceptors photoreceptors

proprioceptors

Bioscience mock exam 2 QMP Flashcards

(64 cards)