Human Physiology Questions

The main function of the mammalian corpus luteum is to produce:

Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.

Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

Which one of the following pairs of hormones are examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it?

What is true about $\text{RBCs}$ in humans?

Which of the following joints would allow no movement?

During the propagation of a nerve impulse, the action potential results from the movement of:

The type of muscles present in our:

The hemoglobin of a human fetus:

Fructose is absorbed into the blood through mucosa cells of the intestine by the process called:

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?

Which part of the human brain is concerned with the regulation of body temperature?

Which one of the following statements is not correct?

Vital capacity of our lungs is:

Which of the following is not a function of the skeletal system?

If for some reason our goblet cells are non-functional, this will adversely affect:

The partial pressure of oxygen in the alveoli of the lungs is:

Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically?

Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because:

The most active phagocytic white blood cells are:

Which part of the human ear plays no role in hearing as such but is otherwise very much required?

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

The human hindbrain comprises three parts, one of which is:

Cornea transplant in humans is almost never rejected. This is because:

In a standard ECG, the end of the T-wave marks the end of:

What is correct to say about hormone action in humans?

The most popularly known blood grouping is the $\text{ABO}$ grouping. It is named $\text{ABO}$ and not $\text{ABC}$, because "O" refers to having:

A person with blood group AB is considered a universal recipient because he has:

Which type of white blood cells release histamine and heparin?

Stimulation of a muscle fiber by a motor neuron occurs at:

In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart?

Fight-or-flight reactions cause activation of:

Which one of the following statements is correct with respect to salt water balance inside the body of living organisms?

The primary dentition in human differs from permanent dentition in not having one of the following type of teeth:

Which one of the following statements in regard to the excretion by the human kidneys is correct?

Which one of the following hormones is not involved in sugar metabolism?

Which one of the following items gives its correct total number?

Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls:

Bulk of carbon dioxide $({\text{CO}}_2)$ released from body tissues into the blood is present as:

Graves' disease is caused due to:

Formation of non-functional methaemoglobin causes blue-baby syndrome. This is due to:

Osteoporosis, an age related disease of skeletal system, may occur due to:

Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?

The posterior pituitary gland is not a 'true' endocrine gland because:

Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this act?

One of the constituents of the pancreatic juice while poured into the duodenum in humans is:

In humans, blood passes from the post caval to the diastolic right atrium of the heart due to:

People who have migrated from the plains to an area adjoining Rohtang Pass about six months back:

Two of the body parts which do not appear in MRI may be:

The maximum amount of electrolytes and water (70 – 80 percent) from the glomerular filtrate is reabsorbed in which part of the nephron?

In human adult females, oxytocin:

Select the correct statement regarding the specific disorder of muscular or skeletal system:

A person who is on a long hunger strike and is surviving only on water, will have:

A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?

Which of the following pairs includes ONLY endocrine glands?

The most abundant intracellular cation is:

Anxiety and eating spicy food together in an otherwise normal human may lead to:

What will happen if the stretch receptors of the urinary bladder wall are totally removed?

The initial step in the digestion of milk in humans is carried out by:

A drop of each of the following is placed separately on four slides. Which of them will not coagulate?

Approximately seventy percent of carbon-dioxide absorbed by the blood will be transported to the lungs:

Which one of the following statements is true regarding digestion and absorption of food in humans?

How do parasympathetic neural signals affect the working of the heart?

Which one of the following statements pertaining to pollutants is correct?

Select the correct matching of the type of joint with the example in the human skeletal system:

A health disorder that results from the deficiency of thyroxine in adults and is characterised by (i) low metabolic rate, (ii) increase in body weight and (iii) tendency to retain water in tissues is:

Injury localized to the hypothalamus would most likely disrupt:

Which matching of site of action, substrate, enzyme and end product is correct?

Identify the hormone with its correct matching of source and function:

Listed below are four respiratory capacities ($\text{a-d}$) and four jumbled respiratory volumes. Which one is correctly matched?Respiratory capacities: (a) Residual volume, (b) Vital capacity, (c) Inspiratory reserve volume, (d) Inspiratory capacity.Respiratory volumes: $1200\text{mL},2500\text{mL},3500\text{mL},4500\text{mL}$.

The shared terminal duct of the reproductive and urinary system in the human male is:

An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as:

Select the correct option describing gonadotropin activity in a normal pregnant female:

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

The enzymes that is not present in succus entericus is:

Which is the correct difference between Rod Cells and Cone Cells?

Human urine is usually acidic because:

Low ${\text{Ca}}^{++}$ in the body fluid may be the cause of:

Which one of the following hormones though synthesized elsewhere, is stored and released by the master gland?

Which one of the following is an example of negative feedback loop in humans?

Doctors use stethoscope to hear the sound produced during each cardiac cycle. The second sound is heard when:

The nerve centres which control the body temperature and the urge for eating are contained in:

Which hormones do stimulate the production of pancreatic juice and bicarbonate?

What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?

Choose the correct statement.

Given below is the $\text{ECG}$ of a normal human. Which one of its components is correctly interpreted below?

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

Which one of the following four secretions is correctly matched with its source, target and nature of action?

Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization.

The $24$ hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone:

Serum differs from blood in:

The blood calcium level is lowered by the deficiency of:

Which one of the following correctly represents the normal adult human dental formula?

The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is :

Which one of the following four glands is correctly matched with the accompanying description?

Which one of the following events is correctly matched with the time period in a normal menstrual cycle?

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?

Which one of the following is the correct pairing of a body part and the kind of muscle tissue that moves it?

Which one of the following is the correct statement for respiration in humans?