Bissoy.com
Doctors Medicines MCQs Q&A

The heart plays a major role in the circulatory system. Which of the following statement(s) is/are correct?  An average heartbeat is 72 times per minute. The human heart has four chambers. its weight is about 360 gram When a person is excited, happy, scared or in fear their heart rate increases due to the increase in the level of adrenaline Which of the statements given above is/are correct?

The heart plays a major role in the circulatory system. Which of the following statement(s) is/are correct?  An average heartbeat is 72 times per minute. The human heart has four chambers. its weight is about 360 gram When a person is excited, happy, scared or in fear their heart rate increases due to the increase in the level of adrenaline Which of the statements given above is/are correct? Correct Answer 1, 2 ,3 and 4

Related Questions

The heart plays a major role in the circulatory system. Which of the following statement(s) is/are correct? A. An average heartbeat is 72 times per minute. B. Heartbeat decreases when in fear. C. The heartbeat of infants is more than adults. D. The human heart has four chambers.
Consider the following statements about the Open and Closed Blood Circulatory System:   A) Open blood circulatory system does not contain special blood vessels to carry oxygenated and deoxygenated blood, while in the closed blood circulatory system blood vessels are present. B) Oxygenated and Deoxygenated blood gets mixed in the closed blood circulatory system, while oxygenated and deoxygenated blood does not get mixed in the open blood circulatory system. Choose the correct statement.
Questions below followed by three quantities. Find the relationship between them. Quantity I: In a class with a certain number of students if a teacher weighing 78 kg is added, then average weight of class is increased by 2 kg. If one more teacher weighing 66 kg is added, then the average weight of the class increases by 3.5 kg over the original average. What is the original average weight (in kg) of the class? Quantity II: The average age of 16 students and their teacher's age is 16 years. If the teacher's age is excluded, the average reduces by 2. What is the teacher's age? Quantity III: Average weight of three friends A, B and C is 46 kg. Another person D joins the group and now the average is 45 kg. If another person E whose weight is 6 kg more than D, joins the group replacing A, then average weight of B, C, D and E becomes 47 kg. What is the weight of A (in kg)?
Consider the following statements in respect of aerated grit chamber: 1. The grit accumulates at the bottom in advancing spiral-flow aeration tanks location ally preceded by grit chambers, led to the eventual development of aerate grit chambers. 2. The excessive wear on grit handling equipment is a major factor for the popularity of aerated grit chambers. 3. Aerated grit chambers are designed to provide detention period of 1 minute at maximum rate of flow. 4. Diffusers are located at 0.45 m to 0.6 m above the bottom of the chamber. Which of the above statements are correct?
Meena goes to a post office to post mail/letter and parcels. The postal rate is given below: Letter weighing i) 25 gram or less - Rs. 15 ii) Per every additional 20 gram Parcel weighing - Rs. 7 i) 60 gram or less - Rs. 55 ii) For every additional 50 gram - Rs. 15 Meena wants to send one letter of weight 20 gram and two parcels of each to 310 gram and 460 gram respectively. How much money Meena have to pay?
Simplify the value of $$\frac{{{\text{0}}{\text{.9}} \times {\text{0}}{\text{.9}} \times {\text{0}}{\text{.9 + 0}}{\text{.2}} \times {\text{0}}{\text{.2}} \times {\text{0}}{\text{.2 + 0}}{\text{.3}} \times {\text{0}}{\text{.3}} \times {\text{0}}{\text{.3}} - {\text{3}} \times 0.9 \times {\text{0}}{\text{.2}} \times {\text{0}}{\text{.3}}}}{{{\text{0}}{\text{.9}} \times {\text{0}}{\text{.9 + 0}}{\text{.2}} \times {\text{0}}{\text{.2 + 0}}{\text{.3}} \times {\text{0}}{\text{.3}} - 0.9 \times {\text{0}}{\text{.2}} - {\text{0}}{\text{.2}} \times {\text{0}}{\text{.3}} - 0.3 \times 0.9}} = ?$$
Which of the following statements relating to 'role' is/are true and false?
1 The system of various roles that the individual carries and performs is 'role set'.
2. The system of various roles of which an individuals role is a part in 'role space'.
3. Self role integration, proactivity, creativity and conformation are ingredients of the role making dimension of role efficacy.
4. Role stress is caused by both role space conflict and role set conflict.
What is the condition for a tree to be weight balanced. where a is factor and n is a node? >= a*weight and weight >= a*weight. b) weight >= a*weight and weight >= a*weight. c) weight >= a*weight and weight >= a*weight. d) weight is a non zero
With reference to the Human Circulatory System consider the following statements. William Harvey was the first person to  describe blood circulation in the body. In closed circulatory systems there is no distinction between blood and interstitial fluid In open circulatory systems blood vessels are found throughout the body and form the plumbing circuit of the body. Which of the statements given above is/are NOT correct?
Firoz Merchant, a gold merchant want to mix a gold costing Rs.9 per gram with 27 gram of gold costing Rs. 7 per gram so that he may have a gain of 10% by selling the mixture at Rs. 9.24 per gram. Find how many gram of gold costing Rs. 9 per gram he had to mixed?