Pretend you are a teacher preparing a quiz for the text I will provide. 
            Each quiz question should follow the format below. 
            Ensure that you carefully recheck the questions and answers for accuracy. 
            The output should be a ready-to-use list of dictionaries for the Python eval function:

            [

                    "question": "WRITE THE QUESTION HERE",
                    "options": ["A) OPTION_1", "B) OPTION_2", "C) OPTION_3", "D) OPTION_4"],
                    "answer": INDEX_OF_CORRECT_ANSWER_IN_OPTIONS_LIST,
                    "explanation": "EXPLAIN WHY THE ANSWER IS CORRECT"

            ]

            Text:
             than eosinophils 
and basophils 
b. produced in the adult by the bone marrow 
and lymph nodes 
c. unlike neutrophil does not accumulate 
outside circulation in area of inflammation 
d. not classified as a granulocyte 
Ans. c 
13) The normal non fasting blood ketone level is 
  
a. 0.1 - 0.5 mg% 
b. 0.5- 2 mg% 
c. 2- 10 mg % 
d. 100 - 500 mg% 
Ans. c 
 
  
Cardio vascular system 
1) S.A. node is the pacemaker of heart because of 
a. location in the right atrium 
b. neural  control 
c. natural leakiness to Na+ 
d. Natural leakiness to k+ 
Ans. c 
2) Absolute refractory period in the heart 
a. corresponds to the duration of relaxation b. lasts till half of cardiac contraction 
c. shorter than refractory period in skeletal 
muscle 
d.   lasts till cardiac contraction 
Ans. d  
3) First heart sound occurs during the period of 
a. isometric relaxation 
b. isotonic relaxation 
c. isovolumetric contraction 
d. isovolumetric relaxation 
Ans. c  
4) Which of these vessels does not have sympathetic control 
a. cerebral 
b. splanchnic 
c. cardiac 
d. cutaneous 
Ans. a 
5) Blood brain barrier is made up of 
a. astrocytes 
b. oligodendrocytes 
c. oligodendroglia 
d. microglia 
Ans. a  
6) Positive bathmotropic effect on heart is produced by 
a. stimulation of vagus nerve 
b.  stimulation of sympathetic nerves 
c. atropin 
d. sectioning of vagus 
Ans. b  
7) Mary's law denotes relationship between heart and 
a. contractility and conductivity 
b. rate and contraction 
c. rate and BP 
d. contraction and BP 
Ans. c  
8) Which of the following conducting systems has the slowest conducting velocity 
a. SAN 
b. atrial muscle 
c. purkinje fibres 
d. AVN 
Ans. c 
9) In heart, within physiological limits the force of contraction is directly 
proportional to the  
a. pacemaker activity  
b. a-v nodal delay 
c. initial length of the cardiac muscle 
d. respiratory rate 
Ans. c 
10) The diacrotic notch on aortic pressure curve is caused by 
a. closure of mitral valve 
b. closure of tricuspid valve 
c. closure of atrial valve 
d. closure of pulmonary valve 
Ans. c 
11) The PR interval of ECG corresponds to  
a. ventricular repolarization 
b. ventricular repolarization 
c. atrial repolarization and conduction 
through AV node 
d. repolarization of AV node and bundle of 
His 
Ans. c 
12) Increased vagal tone causes 
a. hypertension 
b. tachycardia 
c. bradycardia 
d. increase in cardiac output 
Ans. c  
13) Which of the following is not increased during exercise 
a. Stroke volume 
b. total peripheral resistance 
c. systolic BP 
d. heart rate 
Ans. b 
14) Which of the following takes longest time to return to normal after 1L of blood 
is removed from a normal individual 
a. number of RBC's in peripheral blood 
b. plasma volume 
c. renin secretion 
d. blood pressure 
Ans. a 
15) When a pheochromocytoma suddenly discharges a large amount of epinephrine 
into the circulation the patients heart rate would be expected to 
a. increase because epinephrine has a direct 
chronotropic e

            Quiz: