PHYSIOLOGY MSQ

ENDOCRINE SYSTEM 1. A tumor that produces large amounts of catecholamines can be detected by examining the urine for: a) K+ b) Uric acid c) Choline d) VMA e) Calcium 2. The following hormone is secreted by the anterior pituitary gland: a) Cortisol b) TRH c) CRH d) Vasopressin e) TSH 3. A ten year old boy has high levels of the growth hormone. He is likely to develop: a) Acromegaly b) Hyperglycemia c) Mental retardation d) Muscle atrophy e) Hyperkalaemia 4. ...

CARDIOVASCULAR SYSTEM 1. Which of the following is part of the reflex response to an increase in arterial pressure? a) Decreased firing of carotid sinus baroreceptors b) Increased sympathetic activity to the ventricles c) Increased parasympathetic activity to the SA Node d) Increased parasympathetic activity to the arterioles of skeletal muscles & skin e) Increased parasympathetic stimulation to the ventricles 2. Correct sequences of steps in short-term compensation for hemorrh...

1) In a normal 70 kg adult male: a- total body water is approximately 25 litres, b- about two thirds of total body water is intracellular, c- 75% of ECF is intravascular, d- plasma osmolarity is about 350 mosmoles/kg, e- interstitial fluid volume equals 12 liters, 2) Regarding the composition of intra cellular fluid: a- the main cation is is sodium, b- the main anion is chloride, c- has more phosphates than extracellular fluid, d- has more sulphate than extracellular fluid, e- has mor...

BODY TEMPERATURE 1. The part of the brain that regulates body temperature is: a) Pituitary b) Thalamus c) Hypothalamus d) Pons e) Cerebral cortex 2. Sudden exposure to a cold environment will cause all the following except: a) Cutaneous vasoconstriction b) Contraction of the erector pili muscles c) Increase arterial blood pressure d) Cutaneous vasodilation e) Shivering 3. Whenever the body temperature is lower than the set point the following are present except: a) S...

BODY FLUIDS 1. Compared to the intracellular fluid, the extracellular fluid has a high concentration of: a) Protein b) Phosphate c) Calcium d) Magnesium e) Potassium 2. Oedema is due to low colloid osmotic pressure of plasma and is caused by: a) Heart Failure b) Arteriolar Dilation c) Liver Disease d) Venous Obstruction e) Inflammation 3. Drinking one liter of pure water is expected to: a) Induce a greater increase in volume of ECF than ICF b) Induce a greater decr...