Question 1
Question
Which one of the following describes the cell membrane?
Answer
-
A bi-layer consisting of phospholipids
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A structure that surrounds the nucleolus of a cell
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A structure that secretes proteins
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A structure containing enzymes within a cell
-
A structure capable of secreting hormones
Question 2
Question
In the G2 phase of the cell cycle which one of the following is occurring?
Answer
-
The centromeres line up at the distal aspects of the cell
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The cell divides in a meiosis form
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The cell membrane invaginates
-
DNA structures are checked for errors
-
DNA is synthesized
Question 3
Question
In the G0 phase of the cell cycle which one of the following is occurring?
Answer
-
DNA is checked
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The cell is in a resting state
-
The cell actively dividing
-
Intracellular organelles are synthesized
-
DNA is copied
Question 4
Question
Chromosomes condense in which one of the following stages of a cells life span?
Question 5
Question
Which one of the following is the function of a Ribosome?
Question 6
Question
During metaphase of mitosis which one of the following is occuring?
Answer
-
Chromosomes condense within the nucleus of the cells
-
The condensed chromosomes a line in the centre of the cell
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Nuclear membrane forms around each set of chromosomes
-
Chromosomes are pulled back into diffrent sides of the cell via the mitotic spindels
-
Mitotic spindles disslove
Question 7
Question
In terms of DNA which one of the following is a function of Ribose?
Answer
-
It is an enzyme copies DNA
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It is one of the bases that makes up the DNA sequence
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It is a sugar which attaches to a base pairs to make a nucleotide
-
It describes the bonds that form between the individual bases to form base pairs
-
It is a phosphate that enables the DNA sequence to build
Question 8
Question
Where in a cell is ATP synthesised within a cell?
Answer
-
Golgi Apparatus
-
Endoplasmic Reticulum
-
Plasma Membrane
-
Mitochondria
-
Cytoplasm
Question 9
Question
The function of an exocytic vesicle is best described by which one of the following?
Answer
-
A membrane-bound vesicle that is used to bring large products into the cell
-
A membrane-bound vesicle that is used to remove products from the cell
-
A vesicle containing microorganisms following phagocytosis
-
A vesicle that contains lysozymes
-
A vesicle that contains ATP
Question 10
Question
The smooth endoplasmic reticulum is responcible for which one of the following within a cell?
Question 11
Question
Chordae tendineae are associated with which one of the following structures?
Question 12
Question
In health, which one of the follow helps to prevent blood from adhering to the inner surface of the heart?
Answer
-
The endocardium
-
The pericardium
-
The myocardium
-
The epicardium
-
Surfactant
Question 13
Question
Angiotensin Two has which one of the following effects on blood vessels?
Answer
-
Reduces permeability of blood vessles
-
Angiotensin two is an inactive precursor chemical
-
Produces vasoconstriction
-
Increases permeability of capillaries
-
Produces vasodilatation
Question 14
Question
Increased vagal tone will have which one of the following effects on the cardiovascular system?
Answer
-
Increase in heart rate
-
Increase in cardiac output
-
Reduction in cardiac output
-
Reduced time needed for the cardiac action potential to be undertaken
-
Vasoconstriction
Question 15
Question
Which one of the following best describes how the ventricles fill during diastole?
Answer
-
Mostly passive followed by a topping up from the atrial systole
-
Expansion of the pericardium creates a negative intraventricular pressure which draws blood in
-
From the aorta and pulmonary artery
-
The ventricles are filled entirely actively during atrial systole
-
Ventricular filling occurs during systole not diastole
Question 16
Question
Blood flow in the coronary vessels is maximal at which one of the following stages of the cardiac cycle?
Answer
-
Blood flow in the coronary vessels is not affected by the cardiac cycle
-
Early Diastole iso-volumetric relaxation
-
Ventricular systole
-
Late diastole (diastasis)
-
Atrial systole
Question 17
Question
Which one of the following combines with heart rate to produce the cardiac output equation?
Question 18
Question
During repolisartaion of a cardiac myocyte, which one of the following describes the movement of potassium?
Answer
-
From inside the cell to outside the cell via potassium channels
-
From inside the cell to outside the cell via ATP-powered pumps
-
There is no movement of potassium during repolarisation, sodium is the main cation that is moved during this stage
-
From outside the cell to inside the cell via passive diffusion
-
From outside of the cell to inside the cell via ATP powered pumps
Question 19
Question
With regard to the AV node, which one of following is true?
Answer
-
It is the natural pacemaker of the heart
-
It is made of cardiac myocytes
-
It has no automaticity
-
It has a spontaneous discharge rate of 100 per minute
-
In health it is the only electrical connection between the atria and the ventricles
Question 20
Question
Which one of the following coronary vessels supplies the majority of the posterior wall of the heart?
Question 21
Question
The tidal volume of the lung is described by which one of the following?
Answer
-
The amount of air that is moved when coughing
-
The amount of air that can be maximally inhaled in to the lungs
-
The speed at which air can be expelled from the lungs
-
The amount of air that is moved in a relaxed breath
-
The amount of air that is contained in the respiratory dead space
Question 22
Question
Gas exchange between the air in the lungs and the blood takes place in which one of the following locations?
Answer
-
Trachea
-
Visceral pleura
-
Bronchi
-
Terminal bronchioles
-
Alveoli
Question 23
Question
In the lungs what is the role that surfactant plays?
Answer
-
It facilitates the transport of carbon dioxide out of the blood
-
It helps to prevent collapse of and trauma the alveoli
-
It liquefies mucus
-
It assists with oxygen transport into the blood
-
It converts bound hydrogen ions to free hydrogen ions
Question 24
Question
Which of the following is part of the upper respiratory tract?
Answer
-
Oesophagus
-
Larynx
-
Pharynx
-
Trachea
-
Bronchi
Question 25
Question
The right lung is divided into how many lobes?
Question 26
Question
Which of following best describes the role that the sternocleidomastoid muscles play in breathing?
Answer
-
There are the primary muscle that activates ventilation
-
They do not have a role in respiration
-
They are used in forced expiration
-
They are an accessory mussel of ventilation
-
They operate in parallel with each breath
Question 27
Question
The nasal hairs fulfil which one of the following functions within the respiratory tract?
Answer
-
Divide the nose into right and left chambers
-
Filter debris from inhales air
-
Warm air as it enters the sinuses
-
Are the part of the nose responsible for the sense of smell
-
Serve no functional purpose
Question 28
Question
The point at which the trachea divides into two separate bronchi is given which one of the following names?
Answer
-
Helix
-
Hilum
-
Bronchiole
-
Turbinate
-
Carina
Question 29
Question
Which one of the following describes the function of a goblet cell in the respiratory epithelium?
Answer
-
It secretes surfactant
-
It moves mucus towards the digestive tract
-
It moves mucus towards the alveolus
-
It secretes mucus
-
It stimulates a cough reflex when the airway is over filled
Question 30
Question
The parietal pleura can be described best by which one of the following?
Answer
-
The space in-between the two layers of pleura
-
The fluid that lubricates lung movement
-
The layer of the pleura that is attached to the lung
-
The layer of the pleura that is attached to the chest wall
-
The Space in between the lungs
Question 31
Question
The binding of a cholesterol based hormone to its receptor will often result initially in the production of which one of the following?
Question 32
Question
The term ‘secondary messengers’ refers to which one of the following?
Answer
-
In intracellular signalling process that occurs following peptide-based hormone binding to its receptor
-
In intracellular signalling process that occurs following steroid-based hormone binding to its receptor
-
The structural changes in a cell following the binding of any hormone
-
The manufacture of a secondary product in response to binding of any hormone
-
The activation of a hormone receptor by a non hormone product e.g. an autoantibody
Question 33
Question
Which one of the following hormones will increase blood glucose?
Answer
-
Insulin
-
Thyrotrophin
-
Somatostatin
-
Aldosterone
-
Glucagon
Question 34
Question
One of the properties of a cholesterol based hormone is that?
Answer
-
It is soluble in water
-
It does not require a carrier protein to get to its site of action
-
It can cross cell membranes easily
-
It is active even when protein bound
-
It can be manufactured from a single amino acid
Question 35
Question
How many functional layers can be identified on histological assessment of the adrenal cortex?
Question 36
Question
Beta cells in the islets of Langerhans secretes which one of the following hormones?
Answer
-
Insulin
-
Lipase
-
Somatostatin
-
Glucagon
-
Glycogen
Question 37
Question
The parafolicullar C cells of the thyroid gland secrete which one of the following hormones
Answer
-
Monoiodothyronine
-
Tetraiodothyronine
-
Paryathyroid hormone
-
Calcitonin
-
Calcitrol
Question 38
Question
Which one of the following is an example of a hormone released from the anterior pituitary gland?
Question 39
Question
Which one of the following structures secretes cortisol?
Answer
-
Anterior Pituitary
-
Hypothalamus
-
Adrenal Cortex
-
Adrenal Medulla
-
Testis
Question 40
Question
Which one of the following defines a hormone?
Answer
-
A chemical that is secreted by a cell and has an effect on the cell that secreted it
-
A chemical that communicates across a synapse
-
A chemical that is secreted by a cell travels in the blood and has an effect on a cell remote from the site of secretion
-
A chemical that is secreted by a cell and has an effect on cells local to that cell
-
A chemical this is responsible for communication between cells of the immune system
Question 41
Question
Which one of the following is true about the pancreatic acini?
Question 42
Question
What type of endothelial lining does the oesophagus have in healthy individuals?
Answer
-
Columnar
-
Ciliated
-
Squamous
-
Cuboidal
-
Pseudo Stratified
Question 43
Question
What is the name of the structure that supplies blood to the majority of the small intestine?
Question 44
Question
Which one of the following substances is secreted by the gastric parietal cells?
Answer
-
Gastrin
-
Histamine
-
Mucus
-
Hydrochloric Acid
-
Stomatastatin
Question 45
Question
What is the name of the duct that drains bile from the left and right hepatic ducts?
Answer
-
Common Bile Duct
-
Pancreatic duct
-
Cystic Duct
-
Common Hepatic Duct
-
Sphincter of Oddi
Question 46
Question
What is the name given to the most distal part of the stomach?
Answer
-
Antrum
-
Greater Curve
-
Lesser Curve
-
Pyloris
-
Fundus
Question 47
Question
Which one of the following is the connection between the small and large intestine?
Answer
-
Myenteric Plexus
-
Pyloric Sphincter
-
Internal anal Sphincter
-
Cardiac Sphincter
-
Ileocecal valve
Question 48
Question
The longitudinal muscle layer in the wall of the gastro-intestinal tract serves which one of the following functions?
Answer
-
Close the segment of intestines circumferentially
-
Propel the contents of the intestine forwards
-
Compress the intestine
-
Maintain integrity of the intestine lumen
-
Help to sense the consistence of intestinal contents
Question 49
Question
Which one of the following describes the action of bile in the gastrointestinal tract?
Answer
-
It causes fats to coat villi
-
It emulsifies fats braking it down in to smaller globules
-
It binds fat to proteins to facilitate its absorption
-
Bile is a waste product of hepatic function and has no effect on fats
-
It reduces fats in to fatty acids
Question 50
Question
Pancreatic secretions and bile have to pass through which one of the following structures before entering the gastrointestinal tract?
Answer
-
Hepatic Sinusoid
-
Ampulla
-
Plyloric Sphincter
-
Space of Diss
-
Sphincter of Oddi