Like the demo?

Sign up to our revision course to get full access to our question bank with 1500+ questions plus detailed performance tracking and interactive textbook notes…

Sign Up Learn More

Questions Answered: 179

Final Score 65%

117
62

Filter Questions

Revision Session


  • x

    Phases of the Cardiac Cycle

    Regarding the cardiac cycle, which of the following statements is INCORRECT:

    >
  • Disturbance of Acid-Base Balance

    You review a patient in ED who has taken an aspirin overdose. Which of the following patterns best describes the following arterial blood ga

    >
  • Factors affecting Functional Residual Capacity

    The functional residual capacity (FRC) will be increased in which of the following:

    >
  • Clinical Features of Cushing's Syndrome

    A 70 year old woman with known rheumatoid arthritis complains of weight gain, muscle weakness and ankle swelling. She has resistant hyperten

    >
  • x

    Mechanism of Protein Digestion

    Regarding protein digestion, which of the following statements is CORRECT:

    >
  • Pathophysiology of Phaeochromocytoma

    What is the pathophysiology of a phaeochromocytoma:

    >
  • Organelles of Eukaryotic Cells

    Regarding the human cell, which of the following cell organelles is responsible for lipid synthesis:

    >
  • Function of Alveolar Pneumocytes

    You reviewed a child with cystic fibrosis earlier and are reading up further on the condition. Patients with cystic fibrosis have an impaire

    >
  • Production and Function of Parathyroid Hormone

    Regarding parathyroid hormone (PTH), which of the following statements is CORRECT:

    >
  • x

    Mechanism of Skeletal Muscle Contraction

    The trigger to initiate the contractile process in skeletal muscle is:

    >
  • x

    Isotonic vs Isometric Contraction

    Regarding skeletal muscle contraction, which of the following statements is CORRECT:

    >
  • Organelles of Eukaryotic Cells

    Regarding the human cell, which of the following cell organelles serves as a store for intracellular Ca2+:

    >
  • Functional Anatomy of the Heart

    Regarding the heart, which of the following statements is CORRECT:

    >
  • JVP Waveforms during the Cardiac Cycle

    Which of the following JVP waveforms corresponds with atrial systole:

    >
  • x

    Diffusing Capacity of the Lungs

    The diffusing capacity of the lungs for carbon monoxide (DLCO) may be decreased in all of the following EXCEPT for:

    >
  • x

    Function of Alveolar Pneumocytes

    The walls of the alveoli are predominantly formed by:

    >
  • Production of Cortisol

    Cortisol is secreted by which of the following:

    >
  • x

    Function of Antidiuretic Hormone

    Antidiuretic hormone (ADH) has which of the following effects:

    >
  • x

    Phases of the Cardiac Cycle

    In the isovolumetric relaxation phase of the cardiac cycle, which of the following statements is INCORRECT:

    >
  • x

    Function of Insulin

    Regarding insulin receptors, which of the following statements is CORRECT:

    >
  • Function of the Pituitary Gland

    Which of the following is a physiological function that is mediated by a hormone released by the posterior pituitary:

    >
  • Measurement of Renal Plasma Flow

    The normal renal plasma flow in a healthy adult is about ________ :

    >
  • Function of Insulin

    Which of the following is NOT an action of insulin:

    >
  • Types of Capillaries

    Discontinuous capillaries are typically found where in the body:

    >
  • Function of the Thyroid Hormones

    Which of the following is NOT a physiological effect of thyroid hormones:

    >
  • Surface Tension in Alveoli

    Regarding the alveolar air-fluid interface, which of the following statements is INCORRECT:

    >
  • x

    Factors affecting Lung Compliance

    Regarding compliance, which of the following statements is CORRECT:

    >
  • Function of the Endothelium

    Regarding endothelium derived nitric oxide, which of the following statements is INCORRECT:

    >
  • x

    Normal Partial Pressure of Oxygen

    Regarding the fractional concentration of oxygen in the air, which of the following statements is CORRECT:

    >
  • Relative Ionic Distribution in Fluid Spaces

    Which of the following ions normally has the highest concentration in intracellular fluid:

    >
  • Clinical Features of Diabetes Insipidus

    A patient presents with polyuria and polydipsia. Biochemistry results demonstrate a raised plasma osmolality and a low urine osmolality. Wh

    >
  • Clinical Features of Diabetes Insipidus

    Diabetes insipidus is characterised by which of the following:

    >
  • x

    Mechanism of Skeletal Muscle Contraction

    Regarding skeletal muscle contraction, which of the following statements is CORRECT:

    >
  • Haemopoiesis

    Where does haemopoiesis primarily occur in normal adult life:

    >
  • Anatomical Location of the Pituitary Gland

    Regarding the position of the pituitary gland, which of the following statements is CORRECT:

    >
  • Phases of Gastric Secretion

    Regarding the gastric phase of gastric secretion, which of the following statements is CORRECT:

    >
  • x

    Factors affecting Airway Resistance

    Regarding airway resistance, which of the following statements is INCORRECT:

    >
  • Production of Insulin

    Beta cells of the endocrine pancreas produce which of the following hormones:

    >
  • Normal Partial Pressure of Nitrogen

    If the atmospheric pressure is 101 kPa, what is the partial pressure of nitrogen in dry inhaled air:

    >
  • x

    Haemoglobin

    Regarding haemoglobin, which of the following statements is INCORRECT:

    >
  • Definition of Lung Volumes and Capacities

    Which of the following describes the volume change of the lung between a maximum inspiration and a maximum expiration:

    >
  • Heart Sounds during the Cardiac Cycle

    What does the second heart sound correspond to on the ECG waveform:

    >
  • Structure of the Sarcomere

    Regarding the sarcomere, which of the following best describes the H-zone:

    >
  • x

    Mechanism of Cardiac Excitation-Contraction Coupling

    Regarding cardiac excitation-contraction coupling, which of the following statements is CORRECT:

    >
  • Degradation of Catecholamines

    Monoamine oxidase is primarily involved in the degradation of which of the following:

    >
  • Pressure-Volume Loops in Respiration

    When producing a pressure-volume loop for the measurement of static lung compliance, which of the following statements is CORRECT:

    >
  • Mechanism of Action of Diuretics

    At which Na+ transporter do loop diuretics primarily act:

    >
  • Microstructure of the Cardiac Myocyte

    Which of the following structures prevents a direct electrical pathway from the atria to the ventricles:

    >
  • Pulmonary Host Defence Mechanisms

    Which of the following is part of respiratory host defence:

    >
  • x

    Coagulation Cascade

    Regarding the coagulation cascade, the intrinsic pathway is primarily activated by which of the following:

    >
  • Disturbance of Acid-Base Balance

    You review a patient in the Emergency Department who is complaining of feeling dizzy and breathless. Which of the following patterns best de

    >
  • Control of Exocrine Pancreas Secretion

    Pancreatic acinar digestive enzyme secretion is mainly stimulated by which of the following hormones:

    >
  • Renal Handling of Sodium

    Which of the following hormones acts to inhibit Na+ reabsorption in the distal nephron:

    >
  • Function of the Thyroid Hormones

    The primary actions of the thyroid hormones T3 and T4 is to:

    >
  • Transport Maximum of Glucose

    What is the approximate renal threshold for glucose:

    >
  • Clinical Features of Primary Adrenal Insufficiency

    A 46 year old woman complains of feeling lethargic and dizzy on standing. On examination you note darkening of her lips and gums. Blood test

    >
  • Structure of the Sarcomere

    Regarding the sarcomere, which of the following best describes the I-band:

    >
  • Anatomical vs Alveolar Dead Space

    Regarding dead space, which of the following statements is CORRECT:

    >
  • x

    Calculation of the Filtration Fraction

    The normal glomerular filtration fraction in a healthy adult is about ______ %:

    >
  • Organisation of Skeletal Muscle

    Regarding skeletal muscle, which of the following best describes a fascicle:

    >
  • Autoregulation of Renal Blood Flow

    Which of the following does NOT act to cause vasodilation of the glomerular capillaries:

    >
  • Function of Antidiuretic Hormone

    You are reviewing a patient with syndrome of inappropriate antidiuretic hormone (SIADH). ADH acts primarily at which of the following sites

    >
  • Production of Glucagon

    Glucagon is secreted by which of the following pancreatic cell types:

    >
  • x

    Function of the Gut Flora

    Which of the following is NOT a function of the commensal intestinal bacterial flora:

    >
  • Osmolarity vs Osmolality

    Which of the following is the equation for calculating serum osmolality:

    >
  • x

    Control of Gastric Emptying

    Regarding gastric motility and emptying, which of the following statements is CORRECT:

    >
  • Production of Bile

    Which one of the following does NOT stimulate the formation of bile:

    >
  • Tonicity of a Solution

    You are discussing possible treatments for cerebral oedema.What is the mechanism of action of hypertonic saline:

    >
  • x

    Production of the Thyroid Hormones

    Regarding the thyroid hormones, which of the following statements is CORRECT:

    >
  • Central vs Peripheral Chemoreceptors

    Which of the following is most important in eliciting a ventilatory response to changes in PCO2:

    >
  • x

    Control of the Defecation Reflex

    Regarding defaecation, which of the following statements is CORRECT:

    >
  • Coagulation Cascade

    Regarding the coagulation cascade, the extrinsic pathway is primarily activated by which of the following:

    >
  • Phases of the Cardiac Cycle

    You are teaching a group of medical students about cardiovascular examination. You are discussing heart sounds and the cardiac cycle. Which

    >
  • x

    Control of Exocrine Pancreas Secretion

    Pancreatic exocrine secretion is increased by which of the following:

    >
  • x

    Function of the Loop Of Henle

    Regarding the loop of Henle, which of the following statements is CORRECT:

    >
  • x

    Factors affecting the Starling Curve

    A patient with known heart failure presents with worsening breathlessness. On examination you find signs of pulmonary oedema. In heart failu

    >
  • x

    Mechanism of Protein Digestion

    Regarding protein, which of the following statements is CORRECT:

    >
  • Pulmonary Host Defence Mechanisms

    Which of the following types of cell is most important in the clearance of particles in the airways:

    >
  • Mechanism of Postural Hypotension

    Regarding postural hypotension, which of the following statements is INCORRECT:

    >
  • Organelles of Eukaryotic Cells

    You are seeing a child with known mitochondrial disease who has presented breathlessness and cough. Which of the following best describes th

    >
  • Renal Handling of Potassium

    Renal potassium excretion is promoted by all but which one of the following:

    >
  • Mechanism of Carbohydrate Digestion

    Regarding carbohydrate digestion, which of the following statements is CORRECT:

    >
  • Production of Atrial Natriuretic Peptide

    Atrial natriuretic peptide (ANP) is primarily produced in response to:

    >
  • Increased vs Normal Anion Gap

    Which of the following is typically a cause of an increased anion gap metabolic acidosis:

    >
  • x

    Function of the Large Intestine

    Regarding the large intestine, which of the following statements is CORRECT:

    >
  • x

    Oxygen Transport in the Blood

    Regarding 2,3-DPG, which of the following statements is INCORRECT:

    >
  • Definition of Lung Volumes and Capacities

    Which of the following describes the volume of air that can be expelled at the end of a normal expiration:

    >
  • x

    Function of Central Chemoreceptors

    The central chemoreceptor responds directly to a change in:

    >
  • x

    Function of the Neuromuscular Junction

    Regarding the neuromuscular junction, which of the following statements is CORRECT:

    >
  • x

    Factors affecting the Starling Curve

    A shocked and septic a patient is brought to ED. ITU is called and the ITU registrar prescribes dilute IV adrenaline. What effect do inotrop

    >
  • Regulation of Antidiuretic Hormone

    Which of the following acts to inhibit antidiuretic hormone (ADH) release from the posterior pituitary:

    >
  • x

    Function of the Proximal Tubule

    Regarding reabsorption in the proximal tubule, which of the following statements is INCORRECT:

    >
  • x

    JVP Waveforms during the Cardiac Cycle

    Which of the following JVP waveforms corresponds with isovolumetric contraction:

    >
  • Measurement of Renal Clearance

    Glomerular filtration rate can be calculated using any substance that:

    >
  • Regulation of Calcitonin

    Calcitonin is secreted primarily in response to which of the following:

    >
  • x

    Production of Renin

    Renin is released in response to all of the following EXCEPT for:

    >
  • x

    Action Potential of the Ventricular Myocyte

    What is the threshold potential of a ventricular myocyte:

    >
  • Organelles of Eukaryotic Cells

    Regarding the human cell, which of the following cell organelles is responsible for the production of ATP:

    >
  • x

    Stages of Cellular Respiration

    Regarding glycolysis in cellular respiration, which of the following statements is CORRECT:

    >
  • Heart Sounds during the Cardiac Cycle

    The second heart sound is caused by which of the following:

    >
  • Characteristics of the Cutaneous Circulation

    Regarding the cutaneous circulation, which of the following statements is CORRECT:

    >
  • Function of Alveolar Pneumocytes

    You are treating a patient with known heart failure who presented with dyspnoea and hypoxia due to pulmonary congestion. The hypoxia is like

    >
  • x

    Renal Regulation of Acid-Base Balance

    Regarding acid-base regulation in the kidneys, which of the following statements is CORRECT:

    >
  • x

    Renal Handling of Calcium

    Regarding calcium handling by the kidneys, which of the following statements is CORRECT:

    >
  • Causes of Hyperthyroidism

    Which of the following is the most common cause of hyperthyroidism:

    >
  • Obstructive vs Restrictive Lung Disease

    A patient with known lung fibrosis presents to ED with worsening breathlessness. You are reviewing her most recent lung function tests. Whic

    >
  • Components of Gastric Juice

    Gastric juice contains all but which one of the following:

    >
  • Measurement of Peak Expiratory Flow Rate

    Regarding peak expiratory flow rate (PEFR), which of the following is CORRECT:

    >
  • Renal Handling of Calcium

    Regarding calcium handling by the kidneys, which of the following statements is CORRECT:

    >
  • Local Control of Blood Flow

    Autoregulation is particularly important in the following tissues:

    >
  • Water vs Fat Soluble Vitamins

    Regarding vitamins, which of the following statements is CORRECT:

    >
  • x

    Control of Respiration

    Regarding central control of respiration, which of the following statements is INCORRECT:

    >
  • Measurement of Glomerular Filtration Rate

    The normal glomerular filtration rate (GFR) in a healthy adult is about _______ :

    >
  • x

    Mechanism of Fat Digestion

    Regarding fat digestion, which of the following statements is CORRECT:

    >
  • Partial Pressures of Atmospheric Gases

    Regarding the partial pressure of gases, which of the following statements is INCORRECT:

    >
  • Function of Adrenocorticotropic Hormone

    Adrenocorticotropic hormone (ACTH) primarily acts on which of the following target organs:

    >
  • Disturbance of Acid-Base Balance

    A 35 year old man is brought to the emergency department having been found collapsed by his girlfriend. What is the most likely diagnosis ta

    >
  • Conducting System of the Heart

    Conduction of impulses between the atria and the ventricles is channelled through:

    >
  • Regulation of Parathyroid Hormone

    Parathyroid hormone (PTH) is primarily released in direct response to:

    >
  • x

    Regulation of Glucagon

    Which of the following factors increases glucagon secretion:

    >
  • x

    Characteristics of the Pulmonary Circulation

    Regarding the pulmonary circulation, which of the following statements is CORRECT:

    >
  • Clinical Features of SIADH

    Which of the following is the most likely diagnosis in a euvolaemic patient who has the following biochemical abnormalities; hyponatraemia,

    >
  • x

    Regulation of Iron Metabolism

    Regarding hepcidin, which of the following statements is CORRECT:

    >
  • x

    Renal Handling of Urea

    Regarding renal handling of urea, which of the following statements is INCORRECT:

    >
  • Factors affecting Airway Smooth Muscle

    All of the following cause bronchodilation, EXCEPT for:

    >
  • x

    Function of Cortisol

    Which of the following is NOT a typical effect of cortisol:

    >
  • x

    Clinical Features of Cushing's Syndrome

    Which of the following is NOT a typical feature of Cushing's syndrome:

    >
  • Structure of the Parasympathetic Nervous System

    Regarding the parasympathetic nervous system, which of the following statements is CORRECT:

    >
  • x

    Pathophysiology of Cushing's Syndrome

    A patient presents to ED with a headache and is found to be severely hypertensive. She is currently under investigation for suspected Cushin

    >
  • Function of the Pituitary Gland

    Which of the following hormones originates in the anterior pituitary:

    >
  • Platelets

    Regarding platelets, which of the following statements is CORRECT:

    >
  • x

    Oxygen Transport in the Blood

    Regarding oxygen transport, which of the following statements is CORRECT:

    >
  • x

    Mechanism of Excitation-Contraction Coupling

    An action potential in the motor end plate rapidly spreads to the central portions of the muscle cells by means of the:

    >
  • Heart Sounds during the Cardiac Cycle

    The first heart sound is caused by which of the following:

    >
  • Normal Values for Arterial Blood Gases

    What is the normal range for arterial PaCO2:

    >
  • Definition of Lung Volumes and Capacities

    Vital capacity (VC) is calculated using which of the following:

    >
  • Control of Gastric Emptying

    Which of the following inhibits gastric emptying:

    >
  • Renal Handling of Phosphate

    Regarding renal phosphate handling, which of the following statements is CORRECT:

    >
  • Coagulation Cascade

    Regarding the coagulation cascade, the extrinsic pathway requires which of the following clotting factors:

    >
  • x

    Relative Fluid Distribution in Fluid Spaces

    Which of the following fluid compartments contains the greatest volume of water:

    >
  • x

    Definition of a Motor Unit

    A motor unit refers to which of the following:

    >
  • Function of Catecholamines

    Which of the following is NOT a typical effect caused by adrenaline:

    >
  • x

    Coagulation Cascade

    The actions of thrombin include all of the following EXCEPT for:

    >
  • Diagnosis of Diabetes Mellitus

    Which of the following is typically used as the threshold for diagnosing diabetes mellitus in a symptomatic patient:

    >
  • Obstructive vs Restrictive Lung Disease

    A patient with known COPD presents to ED with worsening breathlessness. You are looking at her old notes and noticed recent spirometry resul

    >
  • Function of the Pituitary Gland

    Which of the following hormones is NOT secreted by the anterior pituitary gland:

    >
  • x

    Mechanism of Fat Digestion

    Micelle formation is necessary for the intestinal absorption of which of the following:

    >
  • Types of Capillaries

    Fenestrated capillaries are typically found where in the body:

    >
  • x

    Diffusing Capacity of the Lungs

    The diffusing capacity of the lungs for carbon monoxide (DLCO) may be decreased in all of the following EXCEPT for:

    >
  • Mechanism of the Gastric Mucosal Barrier

    Regarding protection of the gastric mucosa, which of the following statements is INCORRECT:

    >
  • Production of Intrinsic Factor

    Which of the following is the site of secretion of intrinsic factor:

    >
  • Control of Gastric Emptying

    Which one of the following slows gastric emptying:

    >
  • Production of Renin

    Renin is produced by which of the following:

    >
  • Production and Function of Calcitonin

    Regarding calcitonin, which of the following statements is CORRECT:

    >
  • Functional Anatomy of the Small Intestine

    Which of the following is not secreted by the brush border:

    >
  • Increased vs Normal Anion Gap

    Which of the following is typically a cause of an increased anion gap metabolic acidosis:

    >
  • Function of Insulin

    Which of the following is NOT an action of insulin:

    >
  • Definition of Lung Volumes and Capacities

    Functional residual capacity (FRC) is calculated using which of the following:

    >
  • Function of Pulmonary Surfactant

    A patient is brought to ED with worsening breathlessness. They are known to have a genetic surfactant dysfunction disorder. What is the func

    >
  • x

    Production of Somatostatin

    Somatostatin release is inhibited by which of the following:

    >
  • Regulation of Prolactin

    Dopamine released from the hypothalamus acts to cause which of the following:

    >
  • Control of Bile Release

    Which of the following hormones is primarily responsible for release of bile from the gallbladder:

    >
  • Functional Anatomy of the Nephron

    Regarding the nephrons, which of the following statements is INCORRECT:

    >
  • x

    Water Absorption in the Small Intestine

    Regarding water and electrolyte absorption in the small intestine, which of the following statements is INCORRECT:

    >
  • Negative Feedback Loops in Homeostasis

    A negative feedback mechanism comprises which of the following:

    >
  • Calculation of Pulse Pressure

    Which of the following describes the pulse pressure:

    >
  • Function of the Juxtaglomerular Apparatus

    What is the role of the macula densa cells of the juxtaglomerular apparatus:

    >
  • x

    Function of the Loop Of Henle

    Regarding the loop of Henle, which of the following statements is CORRECT:

    >
  • x

    Regulation of Iron Metabolism

    Where in the body is most iron absorbed:

    >
  • Definition of Lung Volumes and Capacities

    Which of the following describes the volume of air drawn into and out of the lungs during normal breathing:

    >
  • x

    Definition of Henry's Law

    Which of the following describes the relationship between the partial pressure of a gas and the amount of that gas that will dissolve in a l

    >
  • x

    Function of the Loop of Henle

    Which part of the loop of Henle is impermeable to water:

    >
  • x

    Calculation of Stroke Volume

    The stroke volume in a healthy adult male at rest is usually about:

    >
  • Functional Anatomy of the Stomach

    Regarding the stomach, which of the following statements is CORRECT:

    >
  • x

    Definition of a Motor Unit

    Regarding skeletal muscle, which of the following statements is CORRECT:

    >
  • Platelets

    Platelets are derived from which of the following cell types:

    >
  • Function of Antidiuretic Hormone

    How does antidiuretic hormone (ADH) increase water reabsorption in the kidneys:

    >
  • Production and Function of Antidiuretic Hormone

    Regarding antidiuretic hormone (ADH) which of the following statements is CORRECT:

    >
  • x

    Clinical Effects of Hyperkalaemia

    Which of the following is NOT an ECG change typically associated with hyperkalaemia:

    >
  • -

    Phases of Gastric Secretion

    Regarding the phases of gastric secretion, which of the following statements is INCORRECT:

    >
    ©2017 - 2025 MRCEM Success