Physio Final 2014
Human RBCs and Rabbit RBCs are put on in a saline solution NaCl of 300 mosm/l. They have time to equilibrate. Then the human RBCs are put into a solution of 300 mosm/l Glycerol. They swell and burst. The rabbit RBCs are put into a 300 mosm/l glycerol solution, but they keep their shape. What can be said about the properties of the glycerol solution?
Human RBC Rabbit RBC
a. Isotonic Hyperosmotic Isotonic hypoosmotic
b. Hypotonic Isoosmotic Hypertnoic isosmotic
c. Hypotonic Isoosmotic Isotonic Isoosmotic
d.
Hypertonic fluid is injected into a patient. What happens with the fluid compartments?
increase in extracellular fluid, decrease in intracellular
Patient is treated with diuretics. Her blood pressure is 70/40, her pulse is 120. What is the best treatment?
a. Sympathetic stimulating drugs
b. Isotonic fluid replacement
c. whole plasma transfer
What has the highest extracellular to intracellular ratio?
a. Glucose
b. Calcium
c. Sodium
d. Potassium
A person donates one of his kidneys. What of the following values decreases in this person?
a. Decrease filtration of creatinine
b. decrease excretion of Sodium
c. Decrease blood concentration of creatinine
d. decrease excretion of creatine
Diarrhea, mechanisms, causes and consequences
a. is always related to inability to absorb water in the large intestine
b. causes hypokalemia and acidosis
What adds least to the Interstitial fluid osmotic pressure?
a. Albumin
b. Glucose
c. Sodium
d. Chloride
Pressure in the upper part of the airways is measured at the end of quiet expiration.
a. Pressure is same as atmospheric pressure
b. pressure is slightly negative compared with atmospheric pressure
c. pressure is slightly positive compared with atmospheric pressure
What is the biggest value?
a. Vital capacity
b. Expiratory reserve volume
c. Expiration during exercise
d.
Rh+ mother has her second child with a Rh- father, what is the treatment?
a. Do nothing
b. Give mother Rh antibodies
c. Give mother Rh antigen
You want to take bonemarrow of a 60-year old patient, which place would you recommend taking it from?
a. Tibia
b. Sternum
c. Vertebrae
d. Ribs
A person goes from lying position to standing
a. Increase in driving pressure to about 100 mmHg
b. increase blood pressure by 50 mmHg
c. Can’t say, because we don’t have information about how fast the person got up
Low pressure baroreceptors are responsible for all of the following except:
a. Brainbrige reflex
b. Increase venous return
c. increase in systemic blood pressure
A patient with anemia, and about his physiologic shunt.
a. Decreased saturation of RBC
b.
Extrinsic clotting pathway correct order:
a. Injury to tissue, thrombin activation, polymerization of fibrin
b. Collagen exposes, thrombin activation, polymerization of fibrin
c. Activation of platelets, thrombin activation, fibrin
Which of the following is not a neuropeptide of GI
a. PYY petide
b. Epinephrine
c. Acetylcholine
d. Histamine
What innervates the cappilaries
a. Adrenergic alpha
b. Muscarinic acetylcholine
c. nothing
d. Adrenergic beta
Which of the following stays the same in high altitude?
a. Partial pressure O2
b. Partial pressure CO2
c. Water vapor pressure
d. None, they all have a decrease at high altitude
What is true about emphysema?
a. decrease in cross sectional area of the lung
Patient has increased osmolarity of blood, increased ADH levels, hypotonic urine.
a. Nephrogenic diabetes
Patient who secretes hypotonic urine is checked with Vasopressin, changes to hypertonic.
a. Central Diabetes
Picture of second degree heart block
Pressure volume curve, arrow at opening of AV valve
Doctor is controlling heart on patient, the volume of the heart is decreasing, while the pressure stays the same, and the first heart sound just happened, when are we?
Rapid Ejection
When we hear murmur during systolic part of heart rhythm, we have damage where?
a. Aortic valve
b. Mitral valve
c. Pulmonic valve
d. Tricuspid valve
Increased refractory time in heart muscle is due to:
a. Voltage-gated Calcium channels
Patient has been in a car accident, and has ischemia to the cerebrum, he has to be put on a ventilator to control his breathing. What caused the decrease in this patients respiration?
a. Central H+ receptors
b. Peripheral H+ receptors
c. Central CO receptors
d. central H+ receptors
What is responsible for depolarization of smooth muscle?
a. inward flux of Calcium
Which one of these increase gastric emptying
decrease in CKK
In a normal person when would you have the highest concentration of Cortisol?
Right after we get up in the morning
A patient has High levels of ACTH and higher levels of cortisol
Cushing’s disease
Person is in a hot 38’C place, 48% humidity, what is the best way to loose heat?
a. Evaporation
b. convection
c. radiation
d. conduction
How long does it take for the whole volume of blood to be pumped through the systemic circulation? (Volume=5 liters, normal cardiac output=5 liter.)
a. 1 minute
Doctor who drinks himself selfles,he has live cirrhosis, which problems does he have?
Ascites Peripheral edema Jaundice
Whats true about Prostaglandins?
Produced in different amounts in all organs
Which hormone is produced, but not stored in the body?
a. aldosterone
SA-node has stopped working in a patient, what will be the new heart beat?
50 beats/min
At the hospital, you meet the patient with diagnosed aortic insuffienciency (blood flows backward), Which statement correctly characterized this pathology?
It increases aortic pulse and diastolic pressure
In decreases aortic pulse and diastolic pressure
It increases pulse pressure and decreases diastolic pressure
It is similar to vasoconstriction in that it decreases pulse pressure and increases diastolic pressure.
It is similar to vasodilation in that it decreases pulse pressure and increases diastolic pressure
A 16-year-old girl experiences fainting episodes before exams or in other stressful circumstances. Very probably reason of such symtoms is
Vasovagal syncope because of massive parasympathetic activation
Vasovagal syncope being the effect of massive sympathetic activation
Herring_breuer reflex
Sudden increase of cardiac output
Paroxysmal tachycardia being an effect of parasympathetic stimulation
Blood flow in vessels is laminar, and
All layers flow with the same velocity
The layer of blood adjacent to the vessel wall flows fastest
Is the reason of axial accumulation of RBCs…….
Laminar flow never chan…….
Is audible……..
Which of the following changes in the blood of the right atrium is most likely to be seen in anemia as compared with a healthy subject?
An increase in O₂ carrying capacity
An increase in O₂ content
A and B
A decrease in hemoglobin oxygen saturation
42) In the course of so-called “crash syndrome” we are dealing with injury of skeletal muscle fibers. What changes in blood plasma composition might we expect?
a. HCO3- concentration > 35 mmol/L
b. K+ concentration > 4.5 mmol/L
c. Na+ concentration > 160 mmol/L
d. K+ concentration < 3.5 mmol/L
e. Cl- K+ concentration > 104 mmol/L
Amount of nitrogen in urine
is lowest in a person on a low-protein diet
A 35 year old soldier after contusive injury of abdominal cavity without intraperitoneal bleeding is not defecating and has low blood pressure and dry mucosa. In such circumstance , you can suspect
Extracellular fluid volume bigger than 30% of body mass
Increase of transcellular body fluid because of GIT motility paralysis
Decrease of intracellular fluid volume because of intestinal edema
Stimulation of sympathetic nervous system decreasing heart rate and saliva production
Sudden decrease of transcellular fluid because of water accumulation in the lumen of GIT
In the kidney producing urine with an osmolality of 1200 mOsm//kg H20 the osmolality of fluid collected from the end of cortical duct is about
100 mOsm/kg H20
300 mOsm/kg H20
900 mOsm/kg H20
1200 mOsm/kg H20
Which of the following IS NOT an important mechanism for increasing the blood flow to activate skeletal muscle during exercise?
The action of metabolites on skeletal muslce
An increased cardiac output
An increased concentration of epinephrine in the vicinity of the blood vessels of active skeletal muscle
Increased concentration of acetylcholine in the vicinity at the blood vessels of active skeletal muscle
An increased concentration of norepinephrine in the vicinity of the blood vessels of active skeletal muscle
which of the following hormones manifests action antagonist to insulin
Glucagon
Growth hormone
Thyroxin
All
None
Woman goes to gym, increased blood flow to skeletal muscle, due to sympatheic stimulation
Difference between plasma and serum
Increased basal metabolic rate when a guy eats raw steak.
Lactase answer